ReportUtils.ts

import ExpensiMark from 'expensify-common/lib/ExpensiMark';
import Str from 'expensify-common/lib/str';
import {isEmpty} from 'lodash';
import lodashEscape from 'lodash/escape';
import lodashFindLastIndex from 'lodash/findLastIndex';
import lodashIntersection from 'lodash/intersection';
import lodashIsEqual from 'lodash/isEqual';
import type {OnyxCollection, OnyxEntry, OnyxUpdate} from 'react-native-onyx';
import Onyx from 'react-native-onyx';
import type {ValueOf} from 'type-fest';
import * as Expensicons from '@components/Icon/Expensicons';
import * as defaultWorkspaceAvatars from '@components/Icon/WorkspaceDefaultAvatars';
import CONST from '@src/CONST';
import type {ParentNavigationSummaryParams, TranslationPaths} from '@src/languages/types';
import ONYXKEYS from '@src/ONYXKEYS';
import ROUTES from '@src/ROUTES';
import type {Beta, Login, PersonalDetails, PersonalDetailsList, Policy, Report, ReportAction, ReportMetadata, Session, Transaction} from '@src/types/onyx';
import type {Errors, Icon, PendingAction} from '@src/types/onyx/OnyxCommon';
import type {IOUMessage, OriginalMessageActionName, OriginalMessageCreated, ReimbursementDeQueuedMessage} from '@src/types/onyx/OriginalMessage';
import type {Status} from '@src/types/onyx/PersonalDetails';
import type {NotificationPreference} from '@src/types/onyx/Report';
import type {Message, ReportActionBase, ReportActions} from '@src/types/onyx/ReportAction';
import type {Receipt, WaypointCollection} from '@src/types/onyx/Transaction';
import type DeepValueOf from '@src/types/utils/DeepValueOf';
import type {EmptyObject} from '@src/types/utils/EmptyObject';
import {isEmptyObject, isNotEmptyObject} from '@src/types/utils/EmptyObject';
import type IconAsset from '@src/types/utils/IconAsset';
import * as CurrencyUtils from './CurrencyUtils';
import DateUtils from './DateUtils';
import isReportMessageAttachment from './isReportMessageAttachment';
import * as LocalePhoneNumber from './LocalePhoneNumber';
import * as Localize from './Localize';
import linkingConfig from './Navigation/linkingConfig';
import Navigation from './Navigation/Navigation';
import * as NumberUtils from './NumberUtils';
import Permissions from './Permissions';
import * as PersonalDetailsUtils from './PersonalDetailsUtils';
import * as PolicyUtils from './PolicyUtils';
import * as ReportActionsUtils from './ReportActionsUtils';
import type {LastVisibleMessage} from './ReportActionsUtils';
import * as TransactionUtils from './TransactionUtils';
import * as Url from './Url';
import * as UserUtils from './UserUtils';

type WelcomeMessage = {showReportName: boolean; phrase1?: string; phrase2?: string};

type ExpenseOriginalMessage = {
    oldComment?: string;
    newComment?: string;
    comment?: string;
    merchant?: string;
    oldCreated?: string;
    created?: string;
    oldMerchant?: string;
    oldAmount?: number;
    amount?: number;
    oldCurrency?: string;
    currency?: string;
    category?: string;
    oldCategory?: string;
    tag?: string;
    oldTag?: string;
    billable?: string;
    oldBillable?: string;
};

type Participant = {
    accountID: number;
    alternateText: string;
    firstName: string;
    icons: Icon[];
    keyForList: string;
    lastName: string;
    login: string;
    phoneNumber: string;
    searchText: string;
    selected: boolean;
    text: string;
};

type SpendBreakdown = {
    nonReimbursableSpend: number;
    reimbursableSpend: number;
    totalDisplaySpend: number;
};

type ParticipantDetails = [number, string, UserUtils.AvatarSource, UserUtils.AvatarSource];

type ReportAndWorkspaceName = {
    rootReportName: string;
    workspaceName?: string;
};

type OptimisticReportAction = {
    commentText: string;
    reportAction: Partial<ReportAction>;
};

type UpdateOptimisticParentReportAction = {
    childVisibleActionCount: number;
    childCommenterCount: number;
    childLastVisibleActionCreated: string;
    childOldestFourAccountIDs: string | undefined;
};

type OptimisticExpenseReport = Pick<
    Report,
    | 'reportID'
    | 'chatReportID'
    | 'policyID'
    | 'type'
    | 'ownerAccountID'
    | 'currency'
    | 'reportName'
    | 'state'
    | 'stateNum'
    | 'statusNum'
    | 'total'
    | 'notificationPreference'
    | 'parentReportID'
    | 'lastVisibleActionCreated'
>;

type OptimisticIOUReportAction = Pick<
    ReportAction,
    | 'actionName'
    | 'actorAccountID'
    | 'automatic'
    | 'avatar'
    | 'isAttachment'
    | 'originalMessage'
    | 'message'
    | 'person'
    | 'reportActionID'
    | 'shouldShow'
    | 'created'
    | 'pendingAction'
    | 'receipt'
    | 'whisperedToAccountIDs'
>;

type OptimisticReportPreview = Pick<
    ReportAction,
    | 'actionName'
    | 'reportActionID'
    | 'pendingAction'
    | 'originalMessage'
    | 'message'
    | 'created'
    | 'actorAccountID'
    | 'childMoneyRequestCount'
    | 'childLastMoneyRequestComment'
    | 'childRecentReceiptTransactionIDs'
    | 'childReportID'
    | 'whisperedToAccountIDs'
> & {reportID?: string; accountID?: number};

type UpdateReportPreview = Pick<
    ReportAction,
    'created' | 'message' | 'childLastMoneyRequestComment' | 'childMoneyRequestCount' | 'childRecentReceiptTransactionIDs' | 'whisperedToAccountIDs'
>;

type ReportRouteParams = {
    reportID: string;
    isSubReportPageRoute: boolean;
};

type ReportOfflinePendingActionAndErrors = {
    addWorkspaceRoomOrChatPendingAction: PendingAction | undefined;
    addWorkspaceRoomOrChatErrors: Record<string, string> | null | undefined;
};

type OptimisticApprovedReportAction = Pick<
    ReportAction,
    'actionName' | 'actorAccountID' | 'automatic' | 'avatar' | 'isAttachment' | 'originalMessage' | 'message' | 'person' | 'reportActionID' | 'shouldShow' | 'created' | 'pendingAction'
>;

type OptimisticSubmittedReportAction = Pick<
    ReportAction,
    'actionName' | 'actorAccountID' | 'automatic' | 'avatar' | 'isAttachment' | 'originalMessage' | 'message' | 'person' | 'reportActionID' | 'shouldShow' | 'created' | 'pendingAction'
>;

type OptimisticCancelPaymentReportAction = Pick<
    ReportAction,
    'actionName' | 'actorAccountID' | 'message' | 'originalMessage' | 'person' | 'reportActionID' | 'shouldShow' | 'created' | 'pendingAction'
>;

type OptimisticEditedTaskReportAction = Pick<
    ReportAction,
    'reportActionID' | 'actionName' | 'pendingAction' | 'actorAccountID' | 'automatic' | 'avatar' | 'created' | 'shouldShow' | 'message' | 'person'
>;

type OptimisticClosedReportAction = Pick<
    ReportAction,
    'actionName' | 'actorAccountID' | 'automatic' | 'avatar' | 'created' | 'message' | 'originalMessage' | 'pendingAction' | 'person' | 'reportActionID' | 'shouldShow'
>;

type OptimisticCreatedReportAction = OriginalMessageCreated &
    Pick<ReportActionBase, 'actorAccountID' | 'automatic' | 'avatar' | 'created' | 'message' | 'person' | 'reportActionID' | 'shouldShow' | 'pendingAction'>;

type OptimisticChatReport = Pick<
    Report,
    | 'type'
    | 'chatType'
    | 'isOwnPolicyExpenseChat'
    | 'isPinned'
    | 'lastActorAccountID'
    | 'lastMessageTranslationKey'
    | 'lastMessageHtml'
    | 'lastMessageText'
    | 'lastReadTime'
    | 'lastVisibleActionCreated'
    | 'notificationPreference'
    | 'oldPolicyName'
    | 'ownerAccountID'
    | 'parentReportActionID'
    | 'parentReportID'
    | 'participantAccountIDs'
    | 'visibleChatMemberAccountIDs'
    | 'policyID'
    | 'reportID'
    | 'reportName'
    | 'stateNum'
    | 'statusNum'
    | 'visibility'
    | 'welcomeMessage'
    | 'writeCapability'
>;

type OptimisticTaskReportAction = Pick<
    ReportAction,
    | 'actionName'
    | 'actorAccountID'
    | 'automatic'
    | 'avatar'
    | 'created'
    | 'isAttachment'
    | 'message'
    | 'originalMessage'
    | 'person'
    | 'pendingAction'
    | 'reportActionID'
    | 'shouldShow'
    | 'isFirstItem'
>;

type OptimisticWorkspaceChats = {
    announceChatReportID: string;
    announceChatData: OptimisticChatReport;
    announceReportActionData: Record<string, OptimisticCreatedReportAction>;
    announceCreatedReportActionID: string;
    adminsChatReportID: string;
    adminsChatData: OptimisticChatReport;
    adminsReportActionData: Record<string, OptimisticCreatedReportAction>;
    adminsCreatedReportActionID: string;
    expenseChatReportID: string;
    expenseChatData: OptimisticChatReport;
    expenseReportActionData: Record<string, OptimisticCreatedReportAction>;
    expenseCreatedReportActionID: string;
};

type OptimisticModifiedExpenseReportAction = Pick<
    ReportAction,
    'actionName' | 'actorAccountID' | 'automatic' | 'avatar' | 'created' | 'isAttachment' | 'message' | 'originalMessage' | 'person' | 'pendingAction' | 'reportActionID' | 'shouldShow'
> & {reportID?: string};

type OptimisticTaskReport = Pick<
    Report,
    | 'reportID'
    | 'reportName'
    | 'description'
    | 'ownerAccountID'
    | 'participantAccountIDs'
    | 'visibleChatMemberAccountIDs'
    | 'managerID'
    | 'type'
    | 'parentReportID'
    | 'policyID'
    | 'stateNum'
    | 'statusNum'
    | 'notificationPreference'
    | 'lastVisibleActionCreated'
>;

type TransactionDetails =
    | {
          created: string;
          amount: number;
          currency: string;
          merchant: string;
          waypoints?: WaypointCollection;
          comment: string;
          category: string;
          billable: boolean;
          tag: string;
          mccGroup?: ValueOf<typeof CONST.MCC_GROUPS>;
          cardID: number;
          originalAmount: number;
          originalCurrency: string;
      }
    | undefined;

type OptimisticIOUReport = Pick<
    Report,
    | 'cachedTotal'
    | 'type'
    | 'chatReportID'
    | 'currency'
    | 'managerID'
    | 'ownerAccountID'
    | 'participantAccountIDs'
    | 'visibleChatMemberAccountIDs'
    | 'reportID'
    | 'state'
    | 'stateNum'
    | 'total'
    | 'reportName'
    | 'notificationPreference'
    | 'parentReportID'
    | 'statusNum'
    | 'lastVisibleActionCreated'
>;
type DisplayNameWithTooltips = Array<Pick<PersonalDetails, 'accountID' | 'pronouns' | 'displayName' | 'login' | 'avatar'>>;

type CustomIcon = {
    src: IconAsset;
    color?: string;
};

type OptionData = {
    text: string;
    alternateText?: string | null;
    allReportErrors?: Errors | null;
    brickRoadIndicator?: typeof CONST.BRICK_ROAD_INDICATOR_STATUS.ERROR | '' | null;
    tooltipText?: string | null;
    alternateTextMaxLines?: number;
    boldStyle?: boolean;
    customIcon?: CustomIcon;
    descriptiveText?: string;
    subtitle?: string | null;
    login?: string | null;
    accountID?: number | null;
    pronouns?: string;
    status?: Status | null;
    phoneNumber?: string | null;
    isUnread?: boolean | null;
    isUnreadWithMention?: boolean | null;
    hasDraftComment?: boolean | null;
    keyForList?: string | null;
    searchText?: string | null;
    isIOUReportOwner?: boolean | null;
    isArchivedRoom?: boolean | null;
    shouldShowSubscript?: boolean | null;
    isPolicyExpenseChat?: boolean | null;
    isMoneyRequestReport?: boolean | null;
    isExpenseRequest?: boolean | null;
    isAllowedToComment?: boolean | null;
    isThread?: boolean | null;
    isTaskReport?: boolean | null;
    parentReportAction?: ReportAction;
    displayNamesWithTooltips?: DisplayNameWithTooltips | null;
} & Report;

type OnyxDataTaskAssigneeChat = {
    optimisticData: OnyxUpdate[];
    successData: OnyxUpdate[];
    failureData: OnyxUpdate[];
    optimisticAssigneeAddComment?: OptimisticReportAction;
    optimisticChatCreatedReportAction?: OptimisticCreatedReportAction;
};

let currentUserEmail: string | undefined;
let currentUserAccountID: number | undefined;
let isAnonymousUser = false;

const defaultAvatarBuildingIconTestID = 'SvgDefaultAvatarBuilding Icon';

Onyx.connect({
    key: ONYXKEYS.SESSION,
    callback: (value) => {
        // When signed out, val is undefined
        if (!value) {
            return;
        }

        currentUserEmail = value.email;
        currentUserAccountID = value.accountID;
        isAnonymousUser = value.authTokenType === 'anonymousAccount';
    },
});

let allPersonalDetails: OnyxCollection<PersonalDetails>;
let currentUserPersonalDetails: OnyxEntry<PersonalDetails>;
Onyx.connect({
    key: ONYXKEYS.PERSONAL_DETAILS_LIST,
    callback: (value) => {
        currentUserPersonalDetails = value?.[currentUserAccountID ?? -1] ?? null;
        allPersonalDetails = value ?? {};
    },
});

let allReports: OnyxCollection<Report>;
Onyx.connect({
    key: ONYXKEYS.COLLECTION.REPORT,
    waitForCollectionCallback: true,
    callback: (value) => (allReports = value),
});

let doesDomainHaveApprovedAccountant = false;
Onyx.connect({
    key: ONYXKEYS.ACCOUNT,
    callback: (value) => (doesDomainHaveApprovedAccountant = value?.doesDomainHaveApprovedAccountant ?? false),
});

let allPolicies: OnyxCollection<Policy>;
Onyx.connect({
    key: ONYXKEYS.COLLECTION.POLICY,
    waitForCollectionCallback: true,
    callback: (value) => (allPolicies = value),
});

let loginList: OnyxEntry<Login>;
Onyx.connect({
    key: ONYXKEYS.LOGIN_LIST,
    callback: (value) => (loginList = value),
});

let allTransactions: OnyxCollection<Transaction> = {};

Onyx.connect({
    key: ONYXKEYS.COLLECTION.TRANSACTION,
    waitForCollectionCallback: true,
    callback: (value) => {
        if (!value) {
            return;
        }
        allTransactions = Object.fromEntries(Object.entries(value).filter(([, transaction]) => transaction));
    },
});

function getChatType(report: OnyxEntry<Report>): ValueOf<typeof CONST.REPORT.CHAT_TYPE> | undefined {
    return report?.chatType;
}

/**
 * Get the report given a reportID
 */
function getReport(reportID: string | undefined): OnyxEntry<Report> | EmptyObject {
    /**
     * Using typical string concatenation here due to performance issues
     * with template literals.
     */
    if (!allReports) {
        return {};
    }

    return allReports?.[ONYXKEYS.COLLECTION.REPORT + reportID] ?? {};
}

/**
 * Returns the parentReport if the given report is a thread.
 */
function getParentReport(report: OnyxEntry<Report>): OnyxEntry<Report> | EmptyObject {
    if (!report?.parentReportID) {
        return {};
    }
    return allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${report.parentReportID}`] ?? {};
}

/**
 * Returns the root parentReport if the given report is nested.
 * Uses recursion to iterate any depth of nested reports.
 */
function getRootParentReport(report: OnyxEntry<Report> | undefined | EmptyObject): OnyxEntry<Report> | EmptyObject {
    if (!report) {
        return {};
    }

    // Returns the current report as the root report, because it does not have a parentReportID
    if (!report?.parentReportID) {
        return report;
    }

    const parentReport = getReport(report?.parentReportID);

    // Runs recursion to iterate a parent report
    return getRootParentReport(isNotEmptyObject(parentReport) ? parentReport : null);
}

function getPolicy(policyID: string): Policy | EmptyObject {
    if (!allPolicies || !policyID) {
        return {};
    }
    return allPolicies[`${ONYXKEYS.COLLECTION.POLICY}${policyID}`] ?? {};
}

/**
 * Get the policy type from a given report
 * @param policies must have Onyxkey prefix (i.e 'policy_') for keys
 */
function getPolicyType(report: OnyxEntry<Report>, policies: OnyxCollection<Policy>): string {
    return policies?.[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`]?.type ?? '';
}

/**
 * Get the policy name from a given report
 */
function getPolicyName(report: OnyxEntry<Report> | undefined | EmptyObject, returnEmptyIfNotFound = false, policy: OnyxEntry<Policy> | undefined = undefined): string {
    const noPolicyFound = returnEmptyIfNotFound ? '' : Localize.translateLocal('workspace.common.unavailable');
    if (isEmptyObject(report)) {
        return noPolicyFound;
    }

    if ((!allPolicies || Object.keys(allPolicies).length === 0) && !report?.policyName) {
        return Localize.translateLocal('workspace.common.unavailable');
    }
    const finalPolicy = policy ?? allPolicies?.[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`];

    const parentReport = getRootParentReport(report);

    // Public rooms send back the policy name with the reportSummary,
    // since they can also be accessed by people who aren't in the workspace
    // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
    const policyName = finalPolicy?.name || report?.policyName || report?.oldPolicyName || parentReport?.oldPolicyName || noPolicyFound;

    return policyName;
}

/**
 * Returns the concatenated title for the PrimaryLogins of a report
 */
function getReportParticipantsTitle(accountIDs: number[]): string {
    // Somehow it's possible for the logins coming from report.participantAccountIDs to contain undefined values so we use .filter(Boolean) to remove them.
    return accountIDs.filter(Boolean).join(', ');
}

/**
 * Checks if a report is a chat report.
 */
function isChatReport(report: OnyxEntry<Report>): boolean {
    return report?.type === CONST.REPORT.TYPE.CHAT;
}

/**
 * Checks if a report is an Expense report.
 */
function isExpenseReport(report: OnyxEntry<Report> | EmptyObject): boolean {
    return report?.type === CONST.REPORT.TYPE.EXPENSE;
}

/**
 * Checks if a report is an IOU report.
 */
function isIOUReport(reportOrID: OnyxEntry<Report> | string | EmptyObject): boolean {
    const report = typeof reportOrID === 'string' ? allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${reportOrID}`] ?? null : reportOrID;
    return report?.type === CONST.REPORT.TYPE.IOU;
}

/**
 * Checks if a report is a task report.
 */
function isTaskReport(report: OnyxEntry<Report>): boolean {
    return report?.type === CONST.REPORT.TYPE.TASK;
}

/**
 * Checks if a task has been cancelled
 * When a task is deleted, the parentReportAction is updated to have a isDeletedParentAction deleted flag
 * This is because when you delete a task, we still allow you to chat on the report itself
 * There's another situation where you don't have access to the parentReportAction (because it was created in a chat you don't have access to)
 * In this case, we have added the key to the report itself
 */
function isCanceledTaskReport(report: OnyxEntry<Report> | EmptyObject = {}, parentReportAction: OnyxEntry<ReportAction> | EmptyObject = {}): boolean {
    if (isNotEmptyObject(parentReportAction) && (parentReportAction?.message?.[0]?.isDeletedParentAction ?? false)) {
        return true;
    }

    if (isNotEmptyObject(report) && report?.isDeletedParentAction) {
        return true;
    }

    return false;
}

/**
 * Checks if a report is an open task report.
 *
 * @param parentReportAction - The parent report action of the report (Used to check if the task has been canceled)
 */
function isOpenTaskReport(report: OnyxEntry<Report>, parentReportAction: OnyxEntry<ReportAction> | EmptyObject = {}): boolean {
    return isTaskReport(report) && !isCanceledTaskReport(report, parentReportAction) && report?.stateNum === CONST.REPORT.STATE_NUM.OPEN && report?.statusNum === CONST.REPORT.STATUS.OPEN;
}

/**
 * Checks if a report is a completed task report.
 */
function isCompletedTaskReport(report: OnyxEntry<Report>): boolean {
    return isTaskReport(report) && report?.stateNum === CONST.REPORT.STATE_NUM.SUBMITTED && report?.statusNum === CONST.REPORT.STATUS.APPROVED;
}

/**
 * Checks if the current user is the manager of the supplied report
 */
function isReportManager(report: OnyxEntry<Report>): boolean {
    return Boolean(report && report.managerID === currentUserAccountID);
}

/**
 * Checks if the supplied report has been approved
 */
function isReportApproved(reportOrID: OnyxEntry<Report> | string | EmptyObject): boolean {
    const report = typeof reportOrID === 'string' ? allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${reportOrID}`] ?? null : reportOrID;
    return report?.stateNum === CONST.REPORT.STATE_NUM.SUBMITTED && report?.statusNum === CONST.REPORT.STATUS.APPROVED;
}

/**
 * Checks if the supplied report is an expense report in Open state and status.
 */
function isDraftExpenseReport(report: OnyxEntry<Report> | EmptyObject): boolean {
    return isExpenseReport(report) && report?.stateNum === CONST.REPORT.STATE_NUM.OPEN && report?.statusNum === CONST.REPORT.STATUS.OPEN;
}

/**
 * Given a collection of reports returns them sorted by last read
 */
function sortReportsByLastRead(reports: OnyxCollection<Report>, reportMetadata: OnyxCollection<ReportMetadata>): Array<OnyxEntry<Report>> {
    return Object.values(reports ?? {})
        .filter((report) => !!report?.reportID && !!(reportMetadata?.[`${ONYXKEYS.COLLECTION.REPORT_METADATA}${report.reportID}`]?.lastVisitTime ?? report?.lastReadTime))
        .sort((a, b) => {
            const aTime = new Date(reportMetadata?.[`${ONYXKEYS.COLLECTION.REPORT_METADATA}${a?.reportID}`]?.lastVisitTime ?? a?.lastReadTime ?? '');
            const bTime = new Date(reportMetadata?.[`${ONYXKEYS.COLLECTION.REPORT_METADATA}${b?.reportID}`]?.lastVisitTime ?? b?.lastReadTime ?? '');

            return aTime.valueOf() - bTime.valueOf();
        });
}

/**
 * Whether the Money Request report is settled
 */
function isSettled(reportID: string | undefined): boolean {
    if (!allReports) {
        return false;
    }
    const report: Report | EmptyObject = allReports[`${ONYXKEYS.COLLECTION.REPORT}${reportID}`] ?? {};
    if (isEmptyObject(report) || report.isWaitingOnBankAccount) {
        return false;
    }

    // In case the payment is scheduled and we are waiting for the payee to set up their wallet,
    // consider the report as paid as well.
    if (report.isWaitingOnBankAccount && report.statusNum === CONST.REPORT.STATUS.APPROVED) {
        return true;
    }

    return report?.statusNum === CONST.REPORT.STATUS.REIMBURSED;
}

/**
 * Whether the current user is the submitter of the report
 */
function isCurrentUserSubmitter(reportID: string): boolean {
    if (!allReports) {
        return false;
    }
    const report = allReports[`${ONYXKEYS.COLLECTION.REPORT}${reportID}`];
    return Boolean(report && report.ownerAccountID === currentUserAccountID);
}

/**
 * Whether the provided report is an Admin room
 */
function isAdminRoom(report: OnyxEntry<Report>): boolean {
    return getChatType(report) === CONST.REPORT.CHAT_TYPE.POLICY_ADMINS;
}

/**
 * Whether the provided report is an Admin-only posting room
 */
function isAdminsOnlyPostingRoom(report: OnyxEntry<Report>): boolean {
    return report?.writeCapability === CONST.REPORT.WRITE_CAPABILITIES.ADMINS;
}

/**
 * Whether the provided report is a Announce room
 */
function isAnnounceRoom(report: OnyxEntry<Report>): boolean {
    return getChatType(report) === CONST.REPORT.CHAT_TYPE.POLICY_ANNOUNCE;
}

/**
 * Whether the provided report is a default room
 */
function isDefaultRoom(report: OnyxEntry<Report>): boolean {
    return [CONST.REPORT.CHAT_TYPE.POLICY_ADMINS, CONST.REPORT.CHAT_TYPE.POLICY_ANNOUNCE, CONST.REPORT.CHAT_TYPE.DOMAIN_ALL].some((type) => type === getChatType(report));
}

/**
 * Whether the provided report is a Domain room
 */
function isDomainRoom(report: OnyxEntry<Report>): boolean {
    return getChatType(report) === CONST.REPORT.CHAT_TYPE.DOMAIN_ALL;
}

/**
 * Whether the provided report is a user created policy room
 */
function isUserCreatedPolicyRoom(report: OnyxEntry<Report>): boolean {
    return getChatType(report) === CONST.REPORT.CHAT_TYPE.POLICY_ROOM;
}

/**
 * Whether the provided report is a Policy Expense chat.
 */
function isPolicyExpenseChat(report: OnyxEntry<Report>): boolean {
    return getChatType(report) === CONST.REPORT.CHAT_TYPE.POLICY_EXPENSE_CHAT || (report?.isPolicyExpenseChat ?? false);
}

/**
 * Whether the provided report belongs to a Control policy and is an expense chat
 */
function isControlPolicyExpenseChat(report: OnyxEntry<Report>): boolean {
    return isPolicyExpenseChat(report) && getPolicyType(report, allPolicies) === CONST.POLICY.TYPE.CORPORATE;
}

/**
 * Whether the provided report belongs to a Free, Collect or Control policy
 */
function isGroupPolicy(report: OnyxEntry<Report>): boolean {
    const policyType = getPolicyType(report, allPolicies);
    return policyType === CONST.POLICY.TYPE.CORPORATE || policyType === CONST.POLICY.TYPE.TEAM || policyType === CONST.POLICY.TYPE.FREE;
}

/**
 * Whether the provided report belongs to a Control or Collect policy
 */
function isPaidGroupPolicy(report: OnyxEntry<Report>): boolean {
    const policyType = getPolicyType(report, allPolicies);
    return policyType === CONST.POLICY.TYPE.CORPORATE || policyType === CONST.POLICY.TYPE.TEAM;
}

/**
 * Whether the provided report belongs to a Control or Collect policy and is an expense chat
 */
function isPaidGroupPolicyExpenseChat(report: OnyxEntry<Report>): boolean {
    return isPolicyExpenseChat(report) && isPaidGroupPolicy(report);
}

/**
 * Whether the provided report belongs to a Control policy and is an expense report
 */
function isControlPolicyExpenseReport(report: OnyxEntry<Report>): boolean {
    return isExpenseReport(report) && getPolicyType(report, allPolicies) === CONST.POLICY.TYPE.CORPORATE;
}

/**
 * Whether the provided report belongs to a Control or Collect policy and is an expense report
 */
function isPaidGroupPolicyExpenseReport(report: OnyxEntry<Report>): boolean {
    return isExpenseReport(report) && isPaidGroupPolicy(report);
}

/**
 * Whether the provided report is a chat room
 */
function isChatRoom(report: OnyxEntry<Report>): boolean {
    return isUserCreatedPolicyRoom(report) || isDefaultRoom(report);
}

/**
 * Whether the provided report is a public room
 */
function isPublicRoom(report: OnyxEntry<Report>): boolean {
    return report?.visibility === CONST.REPORT.VISIBILITY.PUBLIC || report?.visibility === CONST.REPORT.VISIBILITY.PUBLIC_ANNOUNCE;
}

/**
 * Whether the provided report is a public announce room
 */
function isPublicAnnounceRoom(report: OnyxEntry<Report>): boolean {
    return report?.visibility === CONST.REPORT.VISIBILITY.PUBLIC_ANNOUNCE;
}

/**
 * If the report is a policy expense, the route should be for adding bank account for that policy
 * else since the report is a personal IOU, the route should be for personal bank account.
 */
function getBankAccountRoute(report: OnyxEntry<Report>): string {
    return isPolicyExpenseChat(report) ? ROUTES.BANK_ACCOUNT_WITH_STEP_TO_OPEN.getRoute('', report?.policyID) : ROUTES.SETTINGS_ADD_BANK_ACCOUNT;
}

/**
 * Check if personal detail of accountID is empty or optimistic data
 */
function isOptimisticPersonalDetail(accountID: number): boolean {
    return isEmptyObject(allPersonalDetails?.[accountID]) || !!allPersonalDetails?.[accountID]?.isOptimisticPersonalDetail;
}

/**
 * Checks if a report is a task report from a policy expense chat.
 */
function isWorkspaceTaskReport(report: OnyxEntry<Report>): boolean {
    if (!isTaskReport(report)) {
        return false;
    }
    const parentReport = allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${report?.parentReportID}`] ?? null;
    return isPolicyExpenseChat(parentReport);
}

/**
 * Returns true if report has a parent
 */
function isThread(report: OnyxEntry<Report>): boolean {
    return Boolean(report?.parentReportID && report?.parentReportActionID);
}

/**
 * Returns true if report is of type chat and has a parent and is therefore a Thread.
 */
function isChatThread(report: OnyxEntry<Report>): boolean {
    return isThread(report) && report?.type === CONST.REPORT.TYPE.CHAT;
}

function isDM(report: OnyxEntry<Report>): boolean {
    return isChatReport(report) && !getChatType(report);
}

/**
 * Only returns true if this is our main 1:1 DM report with Concierge
 */
function isConciergeChatReport(report: OnyxEntry<Report>): boolean {
    return report?.participantAccountIDs?.length === 1 && Number(report.participantAccountIDs?.[0]) === CONST.ACCOUNT_ID.CONCIERGE && !isChatThread(report);
}

/**
 * Returns true if report is still being processed
 */
function isProcessingReport(report: OnyxEntry<Report> | EmptyObject): boolean {
    return report?.stateNum === CONST.REPORT.STATE_NUM.PROCESSING && report?.statusNum === CONST.REPORT.STATUS.SUBMITTED;
}

/**
 * Check if the report is a single chat report that isn't a thread
 * and personal detail of participant is optimistic data
 */
function shouldDisableDetailPage(report: OnyxEntry<Report>): boolean {
    const participantAccountIDs = report?.participantAccountIDs ?? [];

    if (isChatRoom(report) || isPolicyExpenseChat(report) || isChatThread(report) || isTaskReport(report)) {
        return false;
    }
    if (participantAccountIDs.length === 1) {
        return isOptimisticPersonalDetail(participantAccountIDs[0]);
    }
    return false;
}

/**
 * Returns true if this report has only one participant and it's an Expensify account.
 */
function isExpensifyOnlyParticipantInReport(report: OnyxEntry<Report>): boolean {
    const reportParticipants = report?.participantAccountIDs?.filter((accountID) => accountID !== currentUserAccountID) ?? [];
    return reportParticipants.length === 1 && reportParticipants.some((accountID) => CONST.EXPENSIFY_ACCOUNT_IDS.includes(accountID));
}

/**
 * Returns whether a given report can have tasks created in it.
 * We only prevent the task option if it's a DM/group-DM and the other users are all special Expensify accounts
 *
 */
function canCreateTaskInReport(report: OnyxEntry<Report>): boolean {
    const otherReportParticipants = report?.participantAccountIDs?.filter((accountID) => accountID !== currentUserAccountID) ?? [];
    const areExpensifyAccountsOnlyOtherParticipants = otherReportParticipants?.length >= 1 && otherReportParticipants?.every((accountID) => CONST.EXPENSIFY_ACCOUNT_IDS.includes(accountID));
    if (areExpensifyAccountsOnlyOtherParticipants && isDM(report)) {
        return false;
    }

    return true;
}

/**
 * Returns true if there are any Expensify accounts (i.e. with domain 'expensify.com') in the set of accountIDs
 * by cross-referencing the accountIDs with personalDetails.
 */
function hasExpensifyEmails(accountIDs: number[]): boolean {
    return accountIDs.some((accountID) => Str.extractEmailDomain(allPersonalDetails?.[accountID]?.login ?? '') === CONST.EXPENSIFY_PARTNER_NAME);
}

/**
 * Returns true if there are any guides accounts (team.expensify.com) in a list of accountIDs
 * by cross-referencing the accountIDs with personalDetails since guides that are participants
 * of the user's chats should have their personal details in Onyx.
 */
function hasExpensifyGuidesEmails(accountIDs: number[]): boolean {
    return accountIDs.some((accountID) => Str.extractEmailDomain(allPersonalDetails?.[accountID]?.login ?? '') === CONST.EMAIL.GUIDES_DOMAIN);
}

function findLastAccessedReport(
    reports: OnyxCollection<Report>,
    ignoreDomainRooms: boolean,
    policies: OnyxCollection<Policy>,
    isFirstTimeNewExpensifyUser: boolean,
    openOnAdminRoom = false,
    reportMetadata: OnyxCollection<ReportMetadata> = {},
): OnyxEntry<Report> {
    // If it's the user's first time using New Expensify, then they could either have:
    //   - just a Concierge report, if so we'll return that
    //   - their Concierge report, and a separate report that must have deeplinked them to the app before they created their account.
    // If it's the latter, we'll use the deeplinked report over the Concierge report,
    // since the Concierge report would be incorrectly selected over the deep-linked report in the logic below.
    let sortedReports = sortReportsByLastRead(reports, reportMetadata);

    let adminReport: OnyxEntry<Report> | undefined;
    if (openOnAdminRoom) {
        adminReport = sortedReports.find((report) => {
            const chatType = getChatType(report);
            return chatType === CONST.REPORT.CHAT_TYPE.POLICY_ADMINS;
        });
    }

    if (isFirstTimeNewExpensifyUser) {
        if (sortedReports.length === 1) {
            return sortedReports[0];
        }

        return adminReport ?? sortedReports.find((report) => !isConciergeChatReport(report)) ?? null;
    }

    if (ignoreDomainRooms) {
        // We allow public announce rooms, admins, and announce rooms through since we bypass the default rooms beta for them.
        // Check where ReportUtils.findLastAccessedReport is called in MainDrawerNavigator.js for more context.
        // Domain rooms are now the only type of default room that are on the defaultRooms beta.
        sortedReports = sortedReports.filter(
            (report) => !isDomainRoom(report) || getPolicyType(report, policies) === CONST.POLICY.TYPE.FREE || hasExpensifyGuidesEmails(report?.participantAccountIDs ?? []),
        );
    }

    return adminReport ?? sortedReports.at(-1) ?? null;
}

/**
 * Whether the provided report is an archived room
 */
function isArchivedRoom(report: OnyxEntry<Report> | EmptyObject): boolean {
    return report?.statusNum === CONST.REPORT.STATUS.CLOSED && report?.stateNum === CONST.REPORT.STATE_NUM.SUBMITTED;
}

/**
 * Checks if the current user is allowed to comment on the given report.
 */
function isAllowedToComment(report: Report): boolean {
    // Default to allowing all users to post
    const capability = report?.writeCapability ?? CONST.REPORT.WRITE_CAPABILITIES.ALL;

    if (capability === CONST.REPORT.WRITE_CAPABILITIES.ALL) {
        return true;
    }

    // If unauthenticated user opens public chat room using deeplink, they do not have policies available and they cannot comment
    if (!allPolicies) {
        return false;
    }

    // If we've made it here, commenting on this report is restricted.
    // If the user is an admin, allow them to post.
    const policy = allPolicies[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`];
    return policy?.role === CONST.POLICY.ROLE.ADMIN;
}

/**
 * Checks if the current user is the admin of the policy given the policy expense chat.
 */
function isPolicyExpenseChatAdmin(report: OnyxEntry<Report>, policies: OnyxCollection<Policy>): boolean {
    if (!isPolicyExpenseChat(report)) {
        return false;
    }

    const policyRole = policies?.[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`]?.role;

    return policyRole === CONST.POLICY.ROLE.ADMIN;
}

/**
 * Checks if the current user is the admin of the policy.
 */
function isPolicyAdmin(policyID: string, policies: OnyxCollection<Policy>): boolean {
    const policyRole = policies?.[`${ONYXKEYS.COLLECTION.POLICY}${policyID}`]?.role;

    return policyRole === CONST.POLICY.ROLE.ADMIN;
}

/**
 * Returns true if report has a single participant.
 */
function hasSingleParticipant(report: OnyxEntry<Report>): boolean {
    return report?.participantAccountIDs?.length === 1;
}

/**
 * Checks whether all the transactions linked to the IOU report are of the Distance Request type
 *
 */
function hasOnlyDistanceRequestTransactions(iouReportID: string | undefined): boolean {
    const transactions = TransactionUtils.getAllReportTransactions(iouReportID);

    // Early return false in case not having any transaction
    if (!transactions || transactions.length === 0) {
        return false;
    }

    return transactions.every((transaction) => TransactionUtils.isDistanceRequest(transaction));
}

/**
 * If the report is a thread and has a chat type set, it is a workspace chat.
 */
function isWorkspaceThread(report: OnyxEntry<Report>): boolean {
    return isThread(report) && isChatReport(report) && !isDM(report);
}

/**
 * Returns true if reportAction is the first chat preview of a Thread
 */
function isThreadFirstChat(reportAction: OnyxEntry<ReportAction>, reportID: string): boolean {
    return reportAction?.childReportID?.toString() === reportID;
}

/**
 * Checks if a report is a child report.
 */
function isChildReport(report: OnyxEntry<Report>): boolean {
    return isThread(report) || isTaskReport(report);
}

/**
 * An Expense Request is a thread where the parent report is an Expense Report and
 * the parentReportAction is a transaction.
 */
function isExpenseRequest(report: OnyxEntry<Report>): boolean {
    if (isThread(report)) {
        const parentReportAction = ReportActionsUtils.getParentReportAction(report);
        const parentReport = allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${report?.parentReportID}`] ?? null;
        return isExpenseReport(parentReport) && isNotEmptyObject(parentReportAction) && ReportActionsUtils.isTransactionThread(parentReportAction);
    }
    return false;
}

/**
 * An IOU Request is a thread where the parent report is an IOU Report and
 * the parentReportAction is a transaction.
 */
function isIOURequest(report: OnyxEntry<Report>): boolean {
    if (isThread(report)) {
        const parentReportAction = ReportActionsUtils.getParentReportAction(report);
        const parentReport = allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${report?.parentReportID}`] ?? null;
        return isIOUReport(parentReport) && isNotEmptyObject(parentReportAction) && ReportActionsUtils.isTransactionThread(parentReportAction);
    }
    return false;
}

/**
 * Checks if a report is an IOU or expense request.
 */
function isMoneyRequest(reportOrID: OnyxEntry<Report> | string): boolean {
    const report = typeof reportOrID === 'string' ? allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${reportOrID}`] ?? null : reportOrID;
    return isIOURequest(report) || isExpenseRequest(report);
}

/**
 * Checks if a report is an IOU or expense report.
 */
function isMoneyRequestReport(reportOrID: OnyxEntry<Report> | string): boolean {
    const report = typeof reportOrID === 'object' ? reportOrID : allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${reportOrID}`] ?? null;
    return isIOUReport(report) || isExpenseReport(report);
}

/**
 * Should return true only for personal 1:1 report
 *
 */
function isOneOnOneChat(report: OnyxEntry<Report>): boolean {
    const participantAccountIDs = report?.participantAccountIDs ?? [];
    return (
        !isThread(report) &&
        !isChatRoom(report) &&
        !isExpenseRequest(report) &&
        !isMoneyRequestReport(report) &&
        !isPolicyExpenseChat(report) &&
        !isTaskReport(report) &&
        isDM(report) &&
        !isIOUReport(report) &&
        participantAccountIDs.length === 1
    );
}

/**
 * Get the notification preference given a report
 */
function getReportNotificationPreference(report: OnyxEntry<Report>): string | number {
    return report?.notificationPreference ?? '';
}

/**
 * Returns whether or not the author of the action is this user
 *
 */
function isActionCreator(reportAction: OnyxEntry<ReportAction>): boolean {
    return reportAction?.actorAccountID === currentUserAccountID;
}

/**
 * Can only delete if the author is this user and the action is an ADDCOMMENT action or an IOU action in an unsettled report, or if the user is a
 * policy admin
 */
function canDeleteReportAction(reportAction: OnyxEntry<ReportAction>, reportID: string): boolean {
    const report = getReport(reportID);

    const isActionOwner = reportAction?.actorAccountID === currentUserAccountID;

    if (reportAction?.actionName === CONST.REPORT.ACTIONS.TYPE.IOU) {
        // For now, users cannot delete split actions
        const isSplitAction = reportAction?.originalMessage?.type === CONST.IOU.REPORT_ACTION_TYPE.SPLIT;

        if (isSplitAction || isSettled(String(reportAction?.originalMessage?.IOUReportID)) || (isNotEmptyObject(report) && isReportApproved(report))) {
            return false;
        }

        if (isActionOwner) {
            return true;
        }
    }

    if (
        reportAction?.actionName !== CONST.REPORT.ACTIONS.TYPE.ADDCOMMENT ||
        reportAction?.pendingAction === CONST.RED_BRICK_ROAD_PENDING_ACTION.DELETE ||
        ReportActionsUtils.isCreatedTaskReportAction(reportAction) ||
        reportAction?.actorAccountID === CONST.ACCOUNT_ID.CONCIERGE
    ) {
        return false;
    }

    const policy = allPolicies?.[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`];
    const isAdmin = policy?.role === CONST.POLICY.ROLE.ADMIN && isNotEmptyObject(report) && !isDM(report);

    return isActionOwner || isAdmin;
}

/**
 * Get welcome message based on room type
 */
function getRoomWelcomeMessage(report: OnyxEntry<Report>, isUserPolicyAdmin: boolean): WelcomeMessage {
    const welcomeMessage: WelcomeMessage = {showReportName: true};
    const workspaceName = getPolicyName(report);

    if (isArchivedRoom(report)) {
        welcomeMessage.phrase1 = Localize.translateLocal('reportActionsView.beginningOfArchivedRoomPartOne');
        welcomeMessage.phrase2 = Localize.translateLocal('reportActionsView.beginningOfArchivedRoomPartTwo');
    } else if (isDomainRoom(report)) {
        welcomeMessage.phrase1 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryDomainRoomPartOne', {domainRoom: report?.reportName ?? ''});
        welcomeMessage.phrase2 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryDomainRoomPartTwo');
    } else if (isAdminRoom(report)) {
        welcomeMessage.phrase1 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryAdminRoomPartOne', {workspaceName});
        welcomeMessage.phrase2 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryAdminRoomPartTwo');
    } else if (isAdminsOnlyPostingRoom(report) && !isUserPolicyAdmin) {
        welcomeMessage.phrase1 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryAdminOnlyPostingRoom');
        welcomeMessage.showReportName = false;
    } else if (isAnnounceRoom(report)) {
        welcomeMessage.phrase1 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryAnnounceRoomPartOne', {workspaceName});
        welcomeMessage.phrase2 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryAnnounceRoomPartTwo', {workspaceName});
    } else {
        // Message for user created rooms or other room types.
        welcomeMessage.phrase1 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryUserRoomPartOne');
        welcomeMessage.phrase2 = Localize.translateLocal('reportActionsView.beginningOfChatHistoryUserRoomPartTwo');
    }

    return welcomeMessage;
}

/**
 * Returns true if Concierge is one of the chat participants (1:1 as well as group chats)
 */
function chatIncludesConcierge(report: OnyxEntry<Report>): boolean {
    return Boolean(report?.participantAccountIDs?.length && report?.participantAccountIDs?.includes(CONST.ACCOUNT_ID.CONCIERGE));
}

/**
 * Returns true if there is any automated expensify account `in accountIDs
 */
function hasAutomatedExpensifyAccountIDs(accountIDs: number[]): boolean {
    return accountIDs.some((accountID) => CONST.EXPENSIFY_ACCOUNT_IDS.includes(accountID));
}

function getReportRecipientAccountIDs(report: OnyxEntry<Report>, currentLoginAccountID: number): number[] {
    let finalReport: OnyxEntry<Report> = report;
    // In 1:1 chat threads, the participants will be the same as parent report. If a report is specifically a 1:1 chat thread then we will
    // get parent report and use its participants array.
    if (isThread(report) && !(isTaskReport(report) || isMoneyRequestReport(report))) {
        const parentReport = allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${report?.parentReportID}`] ?? null;
        if (hasSingleParticipant(parentReport)) {
            finalReport = parentReport;
        }
    }

    let finalParticipantAccountIDs: number[] | undefined = [];
    if (isMoneyRequestReport(report)) {
        // For money requests i.e the IOU (1:1 person) and Expense (1:* person) reports, use the full `initialParticipantAccountIDs` array
        // and add the `ownerAccountId`. Money request reports don't add `ownerAccountId` in `participantAccountIDs` array
        const defaultParticipantAccountIDs = finalReport?.participantAccountIDs ?? [];
        const setOfParticipantAccountIDs = new Set<number>(report?.ownerAccountID ? [...defaultParticipantAccountIDs, report.ownerAccountID] : defaultParticipantAccountIDs);
        finalParticipantAccountIDs = [...setOfParticipantAccountIDs];
    } else if (isTaskReport(report)) {
        // Task reports `managerID` will change when assignee is changed, in that case the old `managerID` is still present in `participantAccountIDs`
        // array along with the new one. We only need the `managerID` as a participant here.
        finalParticipantAccountIDs = report?.managerID ? [report?.managerID] : [];
    } else {
        finalParticipantAccountIDs = finalReport?.participantAccountIDs;
    }

    const reportParticipants = finalParticipantAccountIDs?.filter((accountID) => accountID !== currentLoginAccountID) ?? [];
    const participantsWithoutExpensifyAccountIDs = reportParticipants.filter((participant) => !CONST.EXPENSIFY_ACCOUNT_IDS.includes(participant ?? 0));
    return participantsWithoutExpensifyAccountIDs;
}

/**
 * Whether the time row should be shown for a report.
 */
function canShowReportRecipientLocalTime(personalDetails: OnyxCollection<PersonalDetails>, report: OnyxEntry<Report>, accountID: number): boolean {
    const reportRecipientAccountIDs = getReportRecipientAccountIDs(report, accountID);
    const hasMultipleParticipants = reportRecipientAccountIDs.length > 1;
    const reportRecipient = personalDetails?.[reportRecipientAccountIDs[0]];
    const reportRecipientTimezone = reportRecipient?.timezone ?? CONST.DEFAULT_TIME_ZONE;
    const isReportParticipantValidated = reportRecipient?.validated ?? false;
    return Boolean(!hasMultipleParticipants && !isChatRoom(report) && !isPolicyExpenseChat(report) && reportRecipient && reportRecipientTimezone?.selected && isReportParticipantValidated);
}

/**
 * Shorten last message text to fixed length and trim spaces.
 */
function formatReportLastMessageText(lastMessageText: string, isModifiedExpenseMessage = false): string {
    if (isModifiedExpenseMessage) {
        return String(lastMessageText).trim().replace(CONST.REGEX.LINE_BREAK, '').trim();
    }
    return String(lastMessageText).trim().replace(CONST.REGEX.LINE_BREAK, ' ').substring(0, CONST.REPORT.LAST_MESSAGE_TEXT_MAX_LENGTH).trim();
}

/**
 * Helper method to return the default avatar associated with the given login
 */
function getDefaultWorkspaceAvatar(workspaceName?: string): IconAsset {
    if (!workspaceName) {
        return defaultWorkspaceAvatars.WorkspaceBuilding;
    }

    // Remove all chars not A-Z or 0-9 including underscore
    const alphaNumeric = workspaceName
        .normalize('NFD')
        .replace(/[^0-9a-z]/gi, '')
        .toUpperCase();

    const workspace = `Workspace${alphaNumeric[0]}` as keyof typeof defaultWorkspaceAvatars;
    const defaultWorkspaceAvatar = defaultWorkspaceAvatars[workspace];

    return !alphaNumeric ? defaultWorkspaceAvatars.WorkspaceBuilding : defaultWorkspaceAvatar;
}

/**
 * Helper method to return the default avatar testID associated with the given login
 */
function getDefaultWorkspaceAvatarTestID(workspaceName: string): string {
    if (!workspaceName) {
        return defaultAvatarBuildingIconTestID;
    }

    // Remove all chars not A-Z or 0-9 including underscore
    const alphaNumeric = workspaceName
        .normalize('NFD')
        .replace(/[^0-9a-z]/gi, '')
        .toLowerCase();

    return !alphaNumeric ? defaultAvatarBuildingIconTestID : `SvgDefaultAvatar_${alphaNumeric[0]} Icon`;
}

function getWorkspaceAvatar(report: OnyxEntry<Report>): UserUtils.AvatarSource {
    const workspaceName = getPolicyName(report, false, allPolicies?.[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`]);
    const avatar = allPolicies?.[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`]?.avatar ?? '';
    return !isEmpty(avatar) ? avatar : getDefaultWorkspaceAvatar(workspaceName);
}

/**
 * Returns the appropriate icons for the given chat report using the stored personalDetails.
 * The Avatar sources can be URLs or Icon components according to the chat type.
 */
function getIconsForParticipants(participants: number[], personalDetails: OnyxCollection<PersonalDetails>): Icon[] {
    const participantDetails: ParticipantDetails[] = [];
    const participantsList = participants || [];

    for (const accountID of participantsList) {
        const avatarSource = UserUtils.getAvatar(personalDetails?.[accountID]?.avatar ?? '', accountID);
        const displayNameLogin = personalDetails?.[accountID]?.displayName ? personalDetails?.[accountID]?.displayName : personalDetails?.[accountID]?.login;
        participantDetails.push([accountID, displayNameLogin ?? '', avatarSource, personalDetails?.[accountID]?.fallbackIcon ?? '']);
    }

    const sortedParticipantDetails = participantDetails.sort((first, second) => {
        // First sort by displayName/login
        const displayNameLoginOrder = first[1].localeCompare(second[1]);
        if (displayNameLoginOrder !== 0) {
            return displayNameLoginOrder;
        }

        // Then fallback on accountID as the final sorting criteria.
        // This will ensure that the order of avatars with same login/displayName
        // stay consistent across all users and devices
        return first[0] - second[0];
    });

    // Now that things are sorted, gather only the avatars (second element in the array) and return those
    const avatars: Icon[] = [];

    for (const sortedParticipantDetail of sortedParticipantDetails) {
        const userIcon = {
            id: sortedParticipantDetail[0],
            source: sortedParticipantDetail[2],
            type: CONST.ICON_TYPE_AVATAR,
            name: sortedParticipantDetail[1],
            fallbackIcon: sortedParticipantDetail[3],
        };
        avatars.push(userIcon);
    }

    return avatars;
}

/**
 * Given a report, return the associated workspace icon.
 */
function getWorkspaceIcon(report: OnyxEntry<Report>, policy: OnyxEntry<Policy> = null): Icon {
    const workspaceName = getPolicyName(report, false, policy);
    const policyExpenseChatAvatarSource = allPolicies?.[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`]?.avatar
        ? allPolicies?.[`${ONYXKEYS.COLLECTION.POLICY}${report?.policyID}`]?.avatar
        : getDefaultWorkspaceAvatar(workspaceName);

    const workspaceIcon: Icon = {
        source: policyExpenseChatAvatarSource ?? '',
        type: CONST.ICON_TYPE_WORKSPACE,
        name: workspaceName,
        id: -1,
    };
    return workspaceIcon;
}

/**
 * Returns the appropriate icons for the given chat report using the stored personalDetails.
 * The Avatar sources can be URLs or Icon components according to the chat type.
 */
function getIcons(
    report: OnyxEntry<Report>,
    personalDetails: OnyxCollection<PersonalDetails>,
    defaultIcon: UserUtils.AvatarSource | null = null,
    defaultName = '',
    defaultAccountID = -1,
    policy: OnyxEntry<Policy> = null,
): Icon[] {
    if (isEmptyObject(report)) {
        const fallbackIcon: Icon = {
            source: defaultIcon ?? Expensicons.FallbackAvatar,
            type: CONST.ICON_TYPE_AVATAR,
            name: defaultName,
            id: defaultAccountID,
        };
        return [fallbackIcon];
    }
    if (isExpenseRequest(report)) {
        const parentReportAction = ReportActionsUtils.getParentReportAction(report);
        const workspaceIcon = getWorkspaceIcon(report, policy);
        const memberIcon = {
            source: UserUtils.getAvatar(personalDetails?.[parentReportAction.actorAccountID ?? -1]?.avatar ?? '', parentReportAction.actorAccountID ?? -1),
            id: parentReportAction.actorAccountID,
            type: CONST.ICON_TYPE_AVATAR,
            name: personalDetails?.[parentReportAction.actorAccountID ?? -1]?.displayName ?? '',
            fallbackIcon: personalDetails?.[parentReportAction.actorAccountID ?? -1]?.fallbackIcon,
        };

        return [memberIcon, workspaceIcon];
    }
    if (isChatThread(report)) {
        const parentReportAction = ReportActionsUtils.getParentReportAction(report);

        const actorAccountID = parentReportAction.actorAccountID;
        const actorDisplayName = PersonalDetailsUtils.getDisplayNameOrDefault(allPersonalDetails?.[actorAccountID ?? -1], '', false);
        const actorIcon = {
            id: actorAccountID,
            source: UserUtils.getAvatar(personalDetails?.[actorAccountID ?? -1]?.avatar ?? '', actorAccountID ?? -1),
            name: actorDisplayName,
            type: CONST.ICON_TYPE_AVATAR,
            fallbackIcon: personalDetails?.[parentReportAction.actorAccountID ?? -1]?.fallbackIcon,
        };

        if (isWorkspaceThread(report)) {
            const workspaceIcon = getWorkspaceIcon(report, policy);
            return [actorIcon, workspaceIcon];
        }
        return [actorIcon];
    }
    if (isTaskReport(report)) {
        const ownerIcon = {
            id: report?.ownerAccountID,
            source: UserUtils.getAvatar(personalDetails?.[report?.ownerAccountID ?? -1]?.avatar ?? '', report?.ownerAccountID ?? -1),
            type: CONST.ICON_TYPE_AVATAR,
            name: personalDetails?.[report?.ownerAccountID ?? -1]?.displayName ?? '',
            fallbackIcon: personalDetails?.[report?.ownerAccountID ?? -1]?.fallbackIcon,
        };

        if (isWorkspaceTaskReport(report)) {
            const workspaceIcon = getWorkspaceIcon(report, policy);
            return [ownerIcon, workspaceIcon];
        }

        return [ownerIcon];
    }
    if (isDomainRoom(report)) {
        // Get domain name after the #. Domain Rooms use our default workspace avatar pattern.
        const domainName = report?.reportName?.substring(1);
        const policyExpenseChatAvatarSource = getDefaultWorkspaceAvatar(domainName);
        const domainIcon: Icon = {
            source: policyExpenseChatAvatarSource,
            type: CONST.ICON_TYPE_WORKSPACE,
            name: domainName ?? '',
            id: -1,
        };
        return [domainIcon];
    }
    if (isAdminRoom(report) || isAnnounceRoom(report) || isChatRoom(report) || isArchivedRoom(report)) {
        const workspaceIcon = getWorkspaceIcon(report, policy);
        return [workspaceIcon];
    }
    if (isPolicyExpenseChat(report) || isExpenseReport(report)) {
        const workspaceIcon = getWorkspaceIcon(report, policy);
        const memberIcon = {
            source: UserUtils.getAvatar(personalDetails?.[report?.ownerAccountID ?? -1]?.avatar ?? '', report?.ownerAccountID ?? -1),
            id: report?.ownerAccountID,
            type: CONST.ICON_TYPE_AVATAR,
            name: personalDetails?.[report?.ownerAccountID ?? -1]?.displayName ?? '',
            fallbackIcon: personalDetails?.[report?.ownerAccountID ?? -1]?.fallbackIcon,
        };
        return isExpenseReport(report) ? [memberIcon, workspaceIcon] : [workspaceIcon, memberIcon];
    }
    if (isIOUReport(report)) {
        const managerIcon = {
            source: UserUtils.getAvatar(personalDetails?.[report?.managerID ?? -1]?.avatar ?? '', report?.managerID ?? -1),
            id: report?.managerID,
            type: CONST.ICON_TYPE_AVATAR,
            name: personalDetails?.[report?.managerID ?? -1]?.displayName ?? '',
            fallbackIcon: personalDetails?.[report?.managerID ?? -1]?.fallbackIcon,
        };
        const ownerIcon = {
            id: report?.ownerAccountID,
            source: UserUtils.getAvatar(personalDetails?.[report?.ownerAccountID ?? -1]?.avatar ?? '', report?.ownerAccountID ?? -1),
            type: CONST.ICON_TYPE_AVATAR,
            name: personalDetails?.[report?.ownerAccountID ?? -1]?.displayName ?? '',
            fallbackIcon: personalDetails?.[report?.ownerAccountID ?? -1]?.fallbackIcon,
        };
        const isPayer = currentUserAccountID === report?.managerID;

        return isPayer ? [managerIcon, ownerIcon] : [ownerIcon, managerIcon];
    }

    return getIconsForParticipants(report?.participantAccountIDs ?? [], personalDetails);
}

/**
 * Gets the personal details for a login by looking in the ONYXKEYS.PERSONAL_DETAILS_LIST Onyx key (stored in the local variable, allPersonalDetails). If it doesn't exist in Onyx,
 * then a default object is constructed.
 */
function getPersonalDetailsForAccountID(accountID: number): Partial<PersonalDetails> {
    if (!accountID) {
        return {};
    }
    if (Number(accountID) === CONST.ACCOUNT_ID.CONCIERGE) {
        return {
            accountID,
            displayName: 'Concierge',
            login: CONST.EMAIL.CONCIERGE,
            avatar: UserUtils.getDefaultAvatar(accountID),
        };
    }
    return (
        allPersonalDetails?.[accountID] ?? {
            avatar: UserUtils.getDefaultAvatar(accountID),
            isOptimisticPersonalDetail: true,
        }
    );
}

/**
 * Get the displayName for a single report participant.
 */
function getDisplayNameForParticipant(accountID?: number, shouldUseShortForm = false, shouldFallbackToHidden = true): string | undefined {
    if (!accountID) {
        return '';
    }

    const personalDetails = getPersonalDetailsForAccountID(accountID);
    // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
    const formattedLogin = LocalePhoneNumber.formatPhoneNumber(personalDetails.login || '');
    // This is to check if account is an invite/optimistically created one
    // and prevent from falling back to 'Hidden', so a correct value is shown
    // when searching for a new user
    if (personalDetails.isOptimisticPersonalDetail === true) {
        // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
        return formattedLogin;
    }

    const longName = PersonalDetailsUtils.getDisplayNameOrDefault(personalDetails, formattedLogin, shouldFallbackToHidden);

    // If the user's personal details (first name) should be hidden, make sure we return "hidden" instead of the short name
    if (shouldFallbackToHidden && longName === Localize.translateLocal('common.hidden')) {
        return longName;
    }

    const shortName = personalDetails.firstName ? personalDetails.firstName : longName;
    return shouldUseShortForm ? shortName : longName;
}

function getDisplayNamesWithTooltips(
    personalDetailsList: PersonalDetails[] | PersonalDetailsList | OptionData[],
    isMultipleParticipantReport: boolean,
    shouldFallbackToHidden = true,
): DisplayNameWithTooltips {
    const personalDetailsListArray = Array.isArray(personalDetailsList) ? personalDetailsList : Object.values(personalDetailsList);

    return personalDetailsListArray
        .map((user) => {
            const accountID = Number(user?.accountID);
            // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
            const displayName = getDisplayNameForParticipant(accountID, isMultipleParticipantReport, shouldFallbackToHidden) || user?.login || '';
            const avatar = UserUtils.getDefaultAvatar(accountID);

            let pronouns = user?.pronouns ?? undefined;
            if (pronouns?.startsWith(CONST.PRONOUNS.PREFIX)) {
                const pronounTranslationKey = pronouns.replace(CONST.PRONOUNS.PREFIX, '');
                pronouns = Localize.translateLocal(`pronouns.${pronounTranslationKey}` as TranslationPaths);
            }

            return {
                displayName,
                avatar,
                login: user?.login ?? '',
                accountID,
                pronouns,
            };
        })
        .sort((first, second) => {
            // First sort by displayName/login
            const displayNameLoginOrder = first.displayName.localeCompare(second.displayName);
            if (displayNameLoginOrder !== 0) {
                return displayNameLoginOrder;
            }

            // Then fallback on accountID as the final sorting criteria.
            return first.accountID - second.accountID;
        });
}

/**
 * For a deleted parent report action within a chat report,
 * let us return the appropriate display message
 *
 * @param reportAction - The deleted report action of a chat report for which we need to return message.
 */
function getDeletedParentActionMessageForChatReport(reportAction: OnyxEntry<ReportAction>): string {
    // By default, let us display [Deleted message]
    let deletedMessageText = Localize.translateLocal('parentReportAction.deletedMessage');
    if (ReportActionsUtils.isCreatedTaskReportAction(reportAction)) {
        // For canceled task report, let us display [Deleted task]
        deletedMessageText = Localize.translateLocal('parentReportAction.deletedTask');
    }
    return deletedMessageText;
}

/**
 * Returns the preview message for `REIMBURSEMENTQUEUED` action
 *

 */
function getReimbursementQueuedActionMessage(reportAction: OnyxEntry<ReportAction>, report: OnyxEntry<Report>): string {
    const submitterDisplayName = getDisplayNameForParticipant(report?.ownerAccountID, true) ?? '';
    const originalMessage = reportAction?.originalMessage as IOUMessage | undefined;
    let messageKey: TranslationPaths;
    if (originalMessage?.paymentType === CONST.IOU.PAYMENT_TYPE.EXPENSIFY) {
        messageKey = 'iou.waitingOnEnabledWallet';
    } else {
        messageKey = 'iou.waitingOnBankAccount';
    }

    return Localize.translateLocal(messageKey, {submitterDisplayName});
}

/**
 * Returns the preview message for `REIMBURSEMENTDEQUEUED` action
 */
function getReimbursementDeQueuedActionMessage(reportAction: OnyxEntry<ReportAction>, report: OnyxEntry<Report>): string {
    const amount = CurrencyUtils.convertToDisplayString(Math.abs(report?.total ?? 0), report?.currency);
    const originalMessage = reportAction?.originalMessage as ReimbursementDeQueuedMessage | undefined;
    if (originalMessage?.cancellationReason === CONST.REPORT.CANCEL_PAYMENT_REASONS.ADMIN) {
        return Localize.translateLocal('iou.adminCanceledRequest', {amount});
    }
    const submitterDisplayName = getDisplayNameForParticipant(report?.ownerAccountID, true) ?? '';

    return Localize.translateLocal('iou.canceledRequest', {submitterDisplayName, amount});
}

/**
 * Returns the last visible message for a given report after considering the given optimistic actions
 *
 * @param reportID - the report for which last visible message has to be fetched
 * @param [actionsToMerge] - the optimistic merge actions that needs to be considered while fetching last visible message

 */
function getLastVisibleMessage(reportID: string | undefined, actionsToMerge: ReportActions = {}): LastVisibleMessage {
    const report = getReport(reportID);
    const lastVisibleAction = ReportActionsUtils.getLastVisibleAction(reportID ?? '', actionsToMerge);

    // For Chat Report with deleted parent actions, let us fetch the correct message
    if (ReportActionsUtils.isDeletedParentAction(lastVisibleAction) && isNotEmptyObject(report) && isChatReport(report)) {
        const lastMessageText = getDeletedParentActionMessageForChatReport(lastVisibleAction);
        return {
            lastMessageText,
        };
    }

    // Fetch the last visible message for report represented by reportID and based on actions to merge.
    return ReportActionsUtils.getLastVisibleMessage(reportID ?? '', actionsToMerge);
}

/**
 * Checks if a report is an open task report assigned to current user.
 *
 * @param [parentReportAction] - The parent report action of the report (Used to check if the task has been canceled)
 */
function isWaitingForAssigneeToCompleteTask(report: OnyxEntry<Report>, parentReportAction: OnyxEntry<ReportAction> | EmptyObject = {}): boolean {
    return isTaskReport(report) && isReportManager(report) && isOpenTaskReport(report, parentReportAction);
}

function isUnreadWithMention(reportOrOption: OnyxEntry<Report> | OptionData): boolean {
    if (!reportOrOption) {
        return false;
    }
    // lastMentionedTime and lastReadTime are both datetime strings and can be compared directly
    const lastMentionedTime = reportOrOption.lastMentionedTime ?? '';
    const lastReadTime = reportOrOption.lastReadTime ?? '';
    return Boolean('isUnreadWithMention' in reportOrOption && reportOrOption.isUnreadWithMention) || lastReadTime < lastMentionedTime;
}

/**
 * Determines if the option requires action from the current user. This can happen when it:
    - is unread and the user was mentioned in one of the unread comments
    - is for an outstanding task waiting on the user
    - has an outstanding child money request that is waiting for an action from the current user (e.g. pay, approve, add bank account)
 *
 * @param option (report or optionItem)
 * @param parentReportAction (the report action the current report is a thread of)
 */
function requiresAttentionFromCurrentUser(optionOrReport: OnyxEntry<Report> | OptionData, parentReportAction: EmptyObject | OnyxEntry<ReportAction> = {}) {
    if (!optionOrReport) {
        return false;
    }

    if (isArchivedRoom(optionOrReport) || isArchivedRoom(getReport(optionOrReport.parentReportID))) {
        return false;
    }

    if (isUnreadWithMention(optionOrReport)) {
        return true;
    }

    if (isWaitingForAssigneeToCompleteTask(optionOrReport, parentReportAction)) {
        return true;
    }

    // Has a child report that is awaiting action (e.g. approve, pay, add bank account) from current user
    if (optionOrReport.hasOutstandingChildRequest) {
        return true;
    }

    return false;
}

/**
 * Returns number of transactions that are nonReimbursable
 *
 */
function hasNonReimbursableTransactions(iouReportID: string | undefined): boolean {
    const transactions = TransactionUtils.getAllReportTransactions(iouReportID);
    return transactions.filter((transaction) => transaction.reimbursable === false).length > 0;
}

function getMoneyRequestReimbursableTotal(report: OnyxEntry<Report>, allReportsDict: OnyxCollection<Report> = null): number {
    const allAvailableReports = allReportsDict ?? allReports;
    let moneyRequestReport: OnyxEntry<Report> | undefined;
    if (isMoneyRequestReport(report)) {
        moneyRequestReport = report;
    }
    if (allAvailableReports && report?.iouReportID) {
        moneyRequestReport = allAvailableReports[`${ONYXKEYS.COLLECTION.REPORT}${report.iouReportID}`];
    }
    if (moneyRequestReport) {
        const total = moneyRequestReport?.total ?? 0;

        if (total !== 0) {
            // There is a possibility that if the Expense report has a negative total.
            // This is because there are instances where you can get a credit back on your card,
            // or you enter a negative expense to “offset” future expenses
            return isExpenseReport(moneyRequestReport) ? total * -1 : Math.abs(total);
        }
    }
    return 0;
}

function getMoneyRequestSpendBreakdown(report: OnyxEntry<Report>, allReportsDict: OnyxCollection<Report> = null): SpendBreakdown {
    const allAvailableReports = allReportsDict ?? allReports;
    let moneyRequestReport;
    if (isMoneyRequestReport(report)) {
        moneyRequestReport = report;
    }
    if (allAvailableReports && report?.iouReportID) {
        moneyRequestReport = allAvailableReports[`${ONYXKEYS.COLLECTION.REPORT}${report.iouReportID}`];
    }
    if (moneyRequestReport) {
        let nonReimbursableSpend = moneyRequestReport.nonReimbursableTotal ?? 0;
        let totalSpend = moneyRequestReport.total ?? 0;

        if (nonReimbursableSpend + totalSpend !== 0) {
            // There is a possibility that if the Expense report has a negative total.
            // This is because there are instances where you can get a credit back on your card,
            // or you enter a negative expense to “offset” future expenses
            nonReimbursableSpend = isExpenseReport(moneyRequestReport) ? nonReimbursableSpend * -1 : Math.abs(nonReimbursableSpend);
            totalSpend = isExpenseReport(moneyRequestReport) ? totalSpend * -1 : Math.abs(totalSpend);

            const totalDisplaySpend = totalSpend;
            const reimbursableSpend = totalDisplaySpend - nonReimbursableSpend;

            return {
                nonReimbursableSpend,
                reimbursableSpend,
                totalDisplaySpend,
            };
        }
    }
    return {
        nonReimbursableSpend: 0,
        reimbursableSpend: 0,
        totalDisplaySpend: 0,
    };
}

/**
 * Get the title for a policy expense chat which depends on the role of the policy member seeing this report
 */
function getPolicyExpenseChatName(report: OnyxEntry<Report>, policy: OnyxEntry<Policy> | undefined = undefined): string | undefined {
    const ownerAccountID = report?.ownerAccountID;
    const personalDetails = allPersonalDetails?.[ownerAccountID ?? -1];
    const login = personalDetails ? personalDetails.login : null;
    // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
    const reportOwnerDisplayName = getDisplayNameForParticipant(ownerAccountID) || login || report?.reportName;

    // If the policy expense chat is owned by this user, use the name of the policy as the report name.
    if (report?.isOwnPolicyExpenseChat) {
        return getPolicyName(report, false, policy);
    }

    let policyExpenseChatRole = 'user';
    /**
     * Using typical string concatenation here due to performance issues
     * with template literals.
     */
    const policyItem = allPolicies?.[ONYXKEYS.COLLECTION.POLICY + report?.policyID];
    if (policyItem) {
        policyExpenseChatRole = policyItem.role || 'user';
    }

    // If this user is not admin and this policy expense chat has been archived because of account merging, this must be an old workspace chat
    // of the account which was merged into the current user's account. Use the name of the policy as the name of the report.
    if (isArchivedRoom(report)) {
        const lastAction = ReportActionsUtils.getLastVisibleAction(report?.reportID ?? '');
        const archiveReason = lastAction?.actionName === CONST.REPORT.ACTIONS.TYPE.CLOSED ? lastAction?.originalMessage?.reason : CONST.REPORT.ARCHIVE_REASON.DEFAULT;
        if (archiveReason === CONST.REPORT.ARCHIVE_REASON.ACCOUNT_MERGED && policyExpenseChatRole !== CONST.POLICY.ROLE.ADMIN) {
            return getPolicyName(report, false, policy);
        }
    }

    // If user can see this report and they are not its owner, they must be an admin and the report name should be the name of the policy member
    return reportOwnerDisplayName;
}

/**
 * Get the title for an IOU or expense chat which will be showing the payer and the amount
 */
function getMoneyRequestReportName(report: OnyxEntry<Report>, policy: OnyxEntry<Policy> | undefined = undefined): string {
    const moneyRequestTotal = getMoneyRequestReimbursableTotal(report);
    const formattedAmount = CurrencyUtils.convertToDisplayString(moneyRequestTotal, report?.currency, hasOnlyDistanceRequestTransactions(report?.reportID));
    const payerOrApproverName = isExpenseReport(report) ? getPolicyName(report, false, policy) : getDisplayNameForParticipant(report?.managerID) ?? '';
    const payerPaidAmountMessage = Localize.translateLocal('iou.payerPaidAmount', {
        payer: payerOrApproverName,
        amount: formattedAmount,
    });

    if (isReportApproved(report)) {
        return Localize.translateLocal('iou.managerApprovedAmount', {
            manager: payerOrApproverName,
            amount: formattedAmount,
        });
    }

    if (report?.isWaitingOnBankAccount) {
        return `${payerPaidAmountMessage} • ${Localize.translateLocal('iou.pending')}`;
    }

    if (report?.isCancelledIOU) {
        return `${payerPaidAmountMessage} • ${Localize.translateLocal('iou.canceled')}`;
    }

    if (hasNonReimbursableTransactions(report?.reportID)) {
        return Localize.translateLocal('iou.payerSpentAmount', {payer: payerOrApproverName, amount: formattedAmount});
    }

    if (isProcessingReport(report) || isDraftExpenseReport(report) || moneyRequestTotal === 0) {
        return Localize.translateLocal('iou.payerOwesAmount', {payer: payerOrApproverName, amount: formattedAmount});
    }

    return payerPaidAmountMessage;
}

/**
 * Gets transaction created, amount, currency, comment, and waypoints (for distance request)
 * into a flat object. Used for displaying transactions and sending them in API commands
 */

function getTransactionDetails(transaction: OnyxEntry<Transaction>, createdDateFormat: string = CONST.DATE.FNS_FORMAT_STRING): TransactionDetails {
    if (!transaction) {
        return;
    }
    const report = getReport(transaction?.reportID);
    return {
        created: TransactionUtils.getCreated(transaction, createdDateFormat),
        amount: TransactionUtils.getAmount(transaction, isNotEmptyObject(report) && isExpenseReport(report)),
        currency: TransactionUtils.getCurrency(transaction),
        comment: TransactionUtils.getDescription(transaction),
        merchant: TransactionUtils.getMerchant(transaction),
        waypoints: TransactionUtils.getWaypoints(transaction),
        category: TransactionUtils.getCategory(transaction),
        billable: TransactionUtils.getBillable(transaction),
        tag: TransactionUtils.getTag(transaction),
        mccGroup: TransactionUtils.getMCCGroup(transaction),
        cardID: TransactionUtils.getCardID(transaction),
        originalAmount: TransactionUtils.getOriginalAmount(transaction),
        originalCurrency: TransactionUtils.getOriginalCurrency(transaction),
    };
}

/**
 * Can only edit if:
 *
 * - in case of IOU report
 *    - the current user is the requestor and is not settled yet
 * - in case of expense report
 *    - the current user is the requestor and is not settled yet
 *    - the current user is the manager of the report
 *    - or the current user is an admin on the policy the expense report is tied to
 *
 *    This is used in conjunction with canEditRestrictedField to control editing of specific fields like amount, currency, created, receipt, and distance.
 *    On its own, it only controls allowing/disallowing navigating to the editing pages or showing/hiding the 'Edit' icon on report actions
 */
function canEditMoneyRequest(reportAction: OnyxEntry<ReportAction>): boolean {
    const isDeleted = ReportActionsUtils.isDeletedAction(reportAction);

    if (isDeleted) {
        return false;
    }

    // If the report action is not IOU type, return true early
    if (reportAction?.actionName !== CONST.REPORT.ACTIONS.TYPE.IOU) {
        return true;
    }

    if (reportAction.originalMessage.type !== CONST.IOU.REPORT_ACTION_TYPE.CREATE) {
        return false;
    }

    const moneyRequestReportID = reportAction?.originalMessage?.IOUReportID ?? 0;

    if (!moneyRequestReportID) {
        return false;
    }

    const moneyRequestReport = getReport(String(moneyRequestReportID));
    const isRequestor = currentUserAccountID === reportAction?.actorAccountID;

    if (isIOUReport(moneyRequestReport)) {
        return isProcessingReport(moneyRequestReport) && isRequestor;
    }

    const policy = getPolicy(moneyRequestReport?.policyID ?? '');
    const isAdmin = policy.role === CONST.POLICY.ROLE.ADMIN;
    const isManager = currentUserAccountID === moneyRequestReport?.managerID;

    // Admin & managers can always edit coding fields such as tag, category, billable, etc. As long as the report has a state higher than OPEN.
    if ((isAdmin || isManager) && !isDraftExpenseReport(moneyRequestReport)) {
        return true;
    }

    return !isReportApproved(moneyRequestReport) && !isSettled(moneyRequestReport?.reportID) && isRequestor;
}

/**
 * Checks if the current user can edit the provided property of a money request
 *
 */
function canEditFieldOfMoneyRequest(reportAction: OnyxEntry<ReportAction>, fieldToEdit: ValueOf<typeof CONST.EDIT_REQUEST_FIELD>): boolean {
    // A list of fields that cannot be edited by anyone, once a money request has been settled
    const restrictedFields: string[] = [
        CONST.EDIT_REQUEST_FIELD.AMOUNT,
        CONST.EDIT_REQUEST_FIELD.CURRENCY,
        CONST.EDIT_REQUEST_FIELD.MERCHANT,
        CONST.EDIT_REQUEST_FIELD.DATE,
        CONST.EDIT_REQUEST_FIELD.RECEIPT,
        CONST.EDIT_REQUEST_FIELD.DISTANCE,
    ];

    if (!canEditMoneyRequest(reportAction)) {
        return false;
    }

    // If we're editing fields such as category, tag, description, etc. the check above should be enough for handling the permission
    if (!restrictedFields.includes(fieldToEdit)) {
        return true;
    }

    const iouMessage = reportAction?.originalMessage as IOUMessage;
    const moneyRequestReport = allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${iouMessage?.IOUReportID}`] ?? ({} as Report);
    const transaction = allTransactions?.[`${ONYXKEYS.COLLECTION.TRANSACTION}${iouMessage?.IOUTransactionID}`] ?? ({} as Transaction);

    if (isSettled(String(moneyRequestReport.reportID)) || isReportApproved(String(moneyRequestReport.reportID))) {
        return false;
    }

    if (fieldToEdit === CONST.EDIT_REQUEST_FIELD.AMOUNT || fieldToEdit === CONST.EDIT_REQUEST_FIELD.CURRENCY) {
        if (TransactionUtils.isCardTransaction(transaction)) {
            return false;
        }

        if (TransactionUtils.isDistanceRequest(transaction)) {
            const policy = getPolicy(moneyRequestReport?.reportID ?? '');
            const isAdmin = isExpenseReport(moneyRequestReport) && policy.role === CONST.POLICY.ROLE.ADMIN;
            const isManager = isExpenseReport(moneyRequestReport) && currentUserAccountID === moneyRequestReport?.managerID;

            return isAdmin || isManager;
        }
    }

    if (fieldToEdit === CONST.EDIT_REQUEST_FIELD.RECEIPT) {
        const isRequestor = currentUserAccountID === reportAction?.actorAccountID;
        return !TransactionUtils.isReceiptBeingScanned(transaction) && !TransactionUtils.isDistanceRequest(transaction) && isRequestor;
    }

    return true;
}

/**
 * Can only edit if:
 *
 * - It was written by the current user
 * - It's an ADDCOMMENT that is not an attachment
 * - It's money request where conditions for editability are defined in canEditMoneyRequest method
 * - It's not pending deletion
 */
function canEditReportAction(reportAction: OnyxEntry<ReportAction>): boolean {
    const isCommentOrIOU = reportAction?.actionName === CONST.REPORT.ACTIONS.TYPE.ADDCOMMENT || reportAction?.actionName === CONST.REPORT.ACTIONS.TYPE.IOU;

    return Boolean(
        reportAction?.actorAccountID === currentUserAccountID &&
            isCommentOrIOU &&
            canEditMoneyRequest(reportAction) && // Returns true for non-IOU actions
            !isReportMessageAttachment(reportAction?.message?.[0] ?? {type: '', text: ''}) &&
            !ReportActionsUtils.isDeletedAction(reportAction) &&
            !ReportActionsUtils.isCreatedTaskReportAction(reportAction) &&
            reportAction?.pendingAction !== CONST.RED_BRICK_ROAD_PENDING_ACTION.DELETE,
    );
}

/**
 * Gets all transactions on an IOU report with a receipt
 */
function getTransactionsWithReceipts(iouReportID: string | undefined): Transaction[] {
    const transactions = TransactionUtils.getAllReportTransactions(iouReportID);
    return transactions.filter((transaction) => TransactionUtils.hasReceipt(transaction));
}

/**
 * For report previews, we display a "Receipt scan in progress" indicator
 * instead of the report total only when we have no report total ready to show. This is the case when
 * all requests are receipts that are being SmartScanned. As soon as we have a non-receipt request,
 * or as soon as one receipt request is done scanning, we have at least one
 * "ready" money request, and we remove this indicator to show the partial report total.
 */
function areAllRequestsBeingSmartScanned(iouReportID: string, reportPreviewAction: OnyxEntry<ReportAction>): boolean {
    const transactionsWithReceipts = getTransactionsWithReceipts(iouReportID);
    // If we have more requests than requests with receipts, we have some manual requests
    if (ReportActionsUtils.getNumberOfMoneyRequests(reportPreviewAction) > transactionsWithReceipts.length) {
        return false;
    }
    return transactionsWithReceipts.every((transaction) => TransactionUtils.isReceiptBeingScanned(transaction));
}

/**
 * Check if any of the transactions in the report has required missing fields
 *
 */
function hasMissingSmartscanFields(iouReportID: string): boolean {
    const transactionsWithReceipts = getTransactionsWithReceipts(iouReportID);
    return transactionsWithReceipts.some((transaction) => TransactionUtils.hasMissingSmartscanFields(transaction));
}

/**
 * Given a parent IOU report action get report name for the LHN.
 */
function getTransactionReportName(reportAction: OnyxEntry<ReportAction>): string {
    if (ReportActionsUtils.isReversedTransaction(reportAction)) {
        return Localize.translateLocal('parentReportAction.reversedTransaction');
    }

    if (ReportActionsUtils.isDeletedAction(reportAction)) {
        return Localize.translateLocal('parentReportAction.deletedRequest');
    }

    const transaction = TransactionUtils.getLinkedTransaction(reportAction);
    if (!isNotEmptyObject(transaction)) {
        // Transaction data might be empty on app's first load, if so we fallback to Request
        return Localize.translateLocal('iou.request');
    }
    if (TransactionUtils.hasReceipt(transaction) && TransactionUtils.isReceiptBeingScanned(transaction)) {
        return Localize.translateLocal('iou.receiptScanning');
    }

    if (TransactionUtils.hasMissingSmartscanFields(transaction)) {
        return Localize.translateLocal('iou.receiptMissingDetails');
    }

    const transactionDetails = getTransactionDetails(transaction);

    return Localize.translateLocal(ReportActionsUtils.isSentMoneyReportAction(reportAction) ? 'iou.threadSentMoneyReportName' : 'iou.threadRequestReportName', {
        formattedAmount: CurrencyUtils.convertToDisplayString(transactionDetails?.amount ?? 0, transactionDetails?.currency, TransactionUtils.isDistanceRequest(transaction)) ?? '',
        comment: transactionDetails?.comment ?? '',
    });
}

/**
 * Get money request message for an IOU report
 *
 * @param [reportAction] This can be either a report preview action or the IOU action
 */
function getReportPreviewMessage(
    report: OnyxEntry<Report> | EmptyObject,
    reportAction: OnyxEntry<ReportAction> | EmptyObject = {},
    shouldConsiderReceiptBeingScanned = false,
    isPreviewMessageForParentChatReport = false,
    policy: OnyxEntry<Policy> = null,
    isForListPreview = false,
): string {
    const reportActionMessage = reportAction?.message?.[0].html ?? '';

    if (isEmptyObject(report) || !report?.reportID) {
        // The iouReport is not found locally after SignIn because the OpenApp API won't return iouReports if they're settled
        // As a temporary solution until we know how to solve this the best, we just use the message that returned from BE
        return reportActionMessage;
    }

    if (isNotEmptyObject(reportAction) && !isIOUReport(report) && reportAction && ReportActionsUtils.isSplitBillAction(reportAction)) {
        // This covers group chats where the last action is a split bill action
        const linkedTransaction = TransactionUtils.getLinkedTransaction(reportAction);
        if (isEmptyObject(linkedTransaction)) {
            return reportActionMessage;
        }

        if (isNotEmptyObject(linkedTransaction)) {
            if (TransactionUtils.isReceiptBeingScanned(linkedTransaction)) {
                return Localize.translateLocal('iou.receiptScanning');
            }

            if (TransactionUtils.hasMissingSmartscanFields(linkedTransaction)) {
                return Localize.translateLocal('iou.receiptMissingDetails');
            }

            const transactionDetails = getTransactionDetails(linkedTransaction);
            const formattedAmount = CurrencyUtils.convertToDisplayString(transactionDetails?.amount ?? 0, transactionDetails?.currency ?? '');
            return Localize.translateLocal('iou.didSplitAmount', {formattedAmount, comment: transactionDetails?.comment ?? ''});
        }
    }

    const totalAmount = getMoneyRequestReimbursableTotal(report);
    const policyName = getPolicyName(report, false, policy);
    const payerName = isExpenseReport(report) ? policyName : getDisplayNameForParticipant(report.managerID, !isPreviewMessageForParentChatReport);

    const formattedAmount = CurrencyUtils.convertToDisplayString(totalAmount, report.currency);

    if (isReportApproved(report) && isPaidGroupPolicy(report)) {
        return Localize.translateLocal('iou.managerApprovedAmount', {
            manager: payerName ?? '',
            amount: formattedAmount,
        });
    }

    if (isNotEmptyObject(reportAction) && shouldConsiderReceiptBeingScanned && reportAction && ReportActionsUtils.isMoneyRequestAction(reportAction)) {
        const linkedTransaction = TransactionUtils.getLinkedTransaction(reportAction);

        if (isNotEmptyObject(linkedTransaction) && TransactionUtils.hasReceipt(linkedTransaction) && TransactionUtils.isReceiptBeingScanned(linkedTransaction)) {
            return Localize.translateLocal('iou.receiptScanning');
        }
    }
    const originalMessage = reportAction?.originalMessage as IOUMessage | undefined;

    // Show Paid preview message if it's settled or if the amount is paid & stuck at receivers end for only chat reports.
    if (isSettled(report.reportID) || (report.isWaitingOnBankAccount && isPreviewMessageForParentChatReport)) {
        // A settled report preview message can come in three formats "paid ... elsewhere" or "paid ... with Expensify"
        let translatePhraseKey: TranslationPaths = 'iou.paidElsewhereWithAmount';
        if (
            [CONST.IOU.PAYMENT_TYPE.VBBA, CONST.IOU.PAYMENT_TYPE.EXPENSIFY].some((paymentType) => paymentType === originalMessage?.paymentType) ||
            !!reportActionMessage.match(/ (with Expensify|using Expensify)$/) ||
            report.isWaitingOnBankAccount
        ) {
            translatePhraseKey = 'iou.paidWithExpensifyWithAmount';
        }

        let actualPayerName = report.managerID === currentUserAccountID ? '' : getDisplayNameForParticipant(report.managerID, true);
        actualPayerName = actualPayerName && isForListPreview && !isPreviewMessageForParentChatReport ? `${actualPayerName}:` : actualPayerName;
        const payerDisplayName = isPreviewMessageForParentChatReport ? payerName : actualPayerName;

        return Localize.translateLocal(translatePhraseKey, {amount: formattedAmount, payer: payerDisplayName ?? ''});
    }

    if (report.isWaitingOnBankAccount) {
        const submitterDisplayName = getDisplayNameForParticipant(report.ownerAccountID ?? -1, true) ?? '';
        return Localize.translateLocal('iou.waitingOnBankAccount', {submitterDisplayName});
    }

    const containsNonReimbursable = hasNonReimbursableTransactions(report.reportID);

    const lastActorID = reportAction?.actorAccountID;

    // if we have the amount in the originalMessage and lastActorID, we can use that to display the preview message for the latest request
    if (originalMessage?.amount !== undefined && lastActorID && !isPreviewMessageForParentChatReport) {
        const amount = originalMessage?.amount;
        const currency = originalMessage?.currency ?? report.currency ?? '';
        const amountToDisplay = CurrencyUtils.convertToDisplayString(Math.abs(amount), currency);

        // We only want to show the actor name in the preview if it's not the current user who took the action
        const requestorName = lastActorID && lastActorID !== currentUserAccountID ? getDisplayNameForParticipant(lastActorID, !isPreviewMessageForParentChatReport) : '';
        return `${requestorName ? `${requestorName}: ` : ''}${Localize.translateLocal('iou.requestedAmount', {formattedAmount: amountToDisplay})}`;
    }

    return Localize.translateLocal(containsNonReimbursable ? 'iou.payerSpentAmount' : 'iou.payerOwesAmount', {payer: payerName ?? '', amount: formattedAmount});
}

/**
 * Given the updates user made to the request, compose the originalMessage
 * object of the modified expense action.
 *
 * At the moment, we only allow changing one transaction field at a time.
 */
function getModifiedExpenseOriginalMessage(oldTransaction: OnyxEntry<Transaction>, transactionChanges: ExpenseOriginalMessage, isFromExpenseReport: boolean): ExpenseOriginalMessage {
    const originalMessage: ExpenseOriginalMessage = {};
    // Remark: Comment field is the only one which has new/old prefixes for the keys (newComment/ oldComment),
    // all others have old/- pattern such as oldCreated/created
    if ('comment' in transactionChanges) {
        originalMessage.oldComment = TransactionUtils.getDescription(oldTransaction);
        originalMessage.newComment = transactionChanges?.comment;
    }
    if ('created' in transactionChanges) {
        originalMessage.oldCreated = TransactionUtils.getCreated(oldTransaction);
        originalMessage.created = transactionChanges?.created;
    }
    if ('merchant' in transactionChanges) {
        originalMessage.oldMerchant = TransactionUtils.getMerchant(oldTransaction);
        originalMessage.merchant = transactionChanges?.merchant;
    }

    // The amount is always a combination of the currency and the number value so when one changes we need to store both
    // to match how we handle the modified expense action in oldDot
    if ('amount' in transactionChanges || 'currency' in transactionChanges) {
        originalMessage.oldAmount = TransactionUtils.getAmount(oldTransaction, isFromExpenseReport);
        originalMessage.amount = transactionChanges?.amount ?? transactionChanges.oldAmount;
        originalMessage.oldCurrency = TransactionUtils.getCurrency(oldTransaction);
        originalMessage.currency = transactionChanges?.currency ?? transactionChanges.oldCurrency;
    }

    if ('category' in transactionChanges) {
        originalMessage.oldCategory = TransactionUtils.getCategory(oldTransaction);
        originalMessage.category = transactionChanges?.category;
    }

    if ('tag' in transactionChanges) {
        originalMessage.oldTag = TransactionUtils.getTag(oldTransaction);
        originalMessage.tag = transactionChanges?.tag;
    }

    if ('billable' in transactionChanges) {
        const oldBillable = TransactionUtils.getBillable(oldTransaction);
        originalMessage.oldBillable = oldBillable ? Localize.translateLocal('common.billable').toLowerCase() : Localize.translateLocal('common.nonBillable').toLowerCase();
        originalMessage.billable = transactionChanges?.billable ? Localize.translateLocal('common.billable').toLowerCase() : Localize.translateLocal('common.nonBillable').toLowerCase();
    }

    return originalMessage;
}

/**
 * Get the title for a report.
 */
function getReportName(report: OnyxEntry<Report>, policy: OnyxEntry<Policy> = null): string {
    let formattedName: string | undefined;
    const parentReportAction = ReportActionsUtils.getParentReportAction(report);
    if (isChatThread(report)) {
        if (isNotEmptyObject(parentReportAction) && ReportActionsUtils.isTransactionThread(parentReportAction)) {
            return getTransactionReportName(parentReportAction);
        }

        const isAttachment = ReportActionsUtils.isReportActionAttachment(isNotEmptyObject(parentReportAction) ? parentReportAction : null);
        const parentReportActionMessage = (parentReportAction?.message?.[0]?.text ?? '').replace(/(\r\n|\n|\r)/gm, ' ');
        if (isAttachment && parentReportActionMessage) {
            return `[${Localize.translateLocal('common.attachment')}]`;
        }
        if (
            parentReportAction?.message?.[0]?.moderationDecision?.decision === CONST.MODERATION.MODERATOR_DECISION_PENDING_HIDE ||
            parentReportAction?.message?.[0]?.moderationDecision?.decision === CONST.MODERATION.MODERATOR_DECISION_HIDDEN
        ) {
            return Localize.translateLocal('parentReportAction.hiddenMessage');
        }
        return parentReportActionMessage || Localize.translateLocal('parentReportAction.deletedMessage');
    }

    if (isTaskReport(report) && isCanceledTaskReport(report, parentReportAction)) {
        return Localize.translateLocal('parentReportAction.deletedTask');
    }

    if (isChatRoom(report) || isTaskReport(report)) {
        formattedName = report?.reportName;
    }

    if (isPolicyExpenseChat(report)) {
        formattedName = getPolicyExpenseChatName(report, policy);
    }

    if (isMoneyRequestReport(report)) {
        formattedName = getMoneyRequestReportName(report, policy);
    }

    if (isArchivedRoom(report)) {
        formattedName += ` (${Localize.translateLocal('common.archived')})`;
    }

    if (formattedName) {
        return formattedName;
    }

    // Not a room or PolicyExpenseChat, generate title from participants
    const participantAccountIDs = report?.participantAccountIDs ?? [];
    const participantsWithoutCurrentUser = participantAccountIDs.filter((accountID) => accountID !== currentUserAccountID);
    const isMultipleParticipantReport = participantsWithoutCurrentUser.length > 1;

    return participantsWithoutCurrentUser.map((accountID) => getDisplayNameForParticipant(accountID, isMultipleParticipantReport)).join(', ');
}

/**
 * Recursively navigates through thread parents to get the root report and workspace name.
 * The recursion stops when we find a non thread or money request report, whichever comes first.
 */
function getRootReportAndWorkspaceName(report: OnyxEntry<Report>): ReportAndWorkspaceName {
    if (!report) {
        return {
            rootReportName: '',
        };
    }
    if (isChildReport(report) && !isMoneyRequestReport(report) && !isTaskReport(report)) {
        const parentReport = allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${report?.parentReportID}`] ?? null;
        return getRootReportAndWorkspaceName(parentReport);
    }

    if (isIOURequest(report)) {
        return {
            rootReportName: getReportName(report),
        };
    }
    if (isExpenseRequest(report)) {
        return {
            rootReportName: getReportName(report),
            workspaceName: isIOUReport(report) ? CONST.POLICY.OWNER_EMAIL_FAKE : getPolicyName(report, true),
        };
    }

    return {
        rootReportName: getReportName(report),
        workspaceName: getPolicyName(report, true),
    };
}

/**
 * Get either the policyName or domainName the chat is tied to
 */
function getChatRoomSubtitle(report: OnyxEntry<Report>): string | undefined {
    if (isChatThread(report)) {
        return '';
    }
    if (!isDefaultRoom(report) && !isUserCreatedPolicyRoom(report) && !isPolicyExpenseChat(report)) {
        return '';
    }
    if (getChatType(report) === CONST.REPORT.CHAT_TYPE.DOMAIN_ALL) {
        // The domainAll rooms are just #domainName, so we ignore the prefix '#' to get the domainName
        return report?.reportName?.substring(1) ?? '';
    }
    if ((isPolicyExpenseChat(report) && !!report?.isOwnPolicyExpenseChat) || isExpenseReport(report)) {
        return Localize.translateLocal('workspace.common.workspace');
    }
    if (isArchivedRoom(report)) {
        return report?.oldPolicyName ?? '';
    }
    return getPolicyName(report);
}

/**
 * Gets the parent navigation subtitle for the report
 */
function getParentNavigationSubtitle(report: OnyxEntry<Report>): ParentNavigationSummaryParams {
    if (isThread(report)) {
        const parentReport = allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${report?.parentReportID}`] ?? null;
        const {rootReportName, workspaceName} = getRootReportAndWorkspaceName(parentReport);
        if (!rootReportName) {
            return {};
        }

        return {rootReportName, workspaceName};
    }
    return {};
}

/**
 * Navigate to the details page of a given report
 *
 */
function navigateToDetailsPage(report: OnyxEntry<Report>) {
    const participantAccountIDs = report?.participantAccountIDs ?? [];

    if (isOneOnOneChat(report)) {
        Navigation.navigate(ROUTES.PROFILE.getRoute(participantAccountIDs[0]));
        return;
    }
    if (report?.reportID) {
        Navigation.navigate(ROUTES.REPORT_WITH_ID_DETAILS.getRoute(report?.reportID));
    }
}

/**
 * Go back to the details page of a given report
 */
function goBackToDetailsPage(report: OnyxEntry<Report>) {
    if (isOneOnOneChat(report)) {
        Navigation.goBack(ROUTES.PROFILE.getRoute(report?.participantAccountIDs?.[0] ?? ''));
        return;
    }
    Navigation.goBack(ROUTES.REPORT_SETTINGS.getRoute(report?.reportID ?? ''));
}

/**
 * Generate a random reportID up to 53 bits aka 9,007,199,254,740,991 (Number.MAX_SAFE_INTEGER).
 * There were approximately 98,000,000 reports with sequential IDs generated before we started using this approach, those make up roughly one billionth of the space for these numbers,
 * so we live with the 1 in a billion chance of a collision with an older ID until we can switch to 64-bit IDs.
 *
 * In a test of 500M reports (28 years of reports at our current max rate) we got 20-40 collisions meaning that
 * this is more than random enough for our needs.
 */
function generateReportID(): string {
    return (Math.floor(Math.random() * 2 ** 21) * 2 ** 32 + Math.floor(Math.random() * 2 ** 32)).toString();
}

function hasReportNameError(report: OnyxEntry<Report>): boolean {
    return !isEmptyObject(report?.errorFields?.reportName);
}

/**
 * For comments shorter than or equal to 10k chars, convert the comment from MD into HTML because that's how it is stored in the database
 * For longer comments, skip parsing, but still escape the text, and display plaintext for performance reasons. It takes over 40s to parse a 100k long string!!
 */
function getParsedComment(text: string): string {
    const parser = new ExpensiMark();
    return text.length <= CONST.MAX_MARKUP_LENGTH ? parser.replace(text) : lodashEscape(text);
}

function buildOptimisticAddCommentReportAction(text?: string, file?: File): OptimisticReportAction {
    const parser = new ExpensiMark();
    const commentText = getParsedComment(text ?? '');
    const isAttachment = !text && file !== undefined;
    const attachmentInfo = isAttachment ? file : {};
    const htmlForNewComment = isAttachment ? CONST.ATTACHMENT_UPLOADING_MESSAGE_HTML : commentText;

    // Remove HTML from text when applying optimistic offline comment
    const textForNewComment = isAttachment ? CONST.ATTACHMENT_MESSAGE_TEXT : parser.htmlToText(htmlForNewComment);
    return {
        commentText,
        reportAction: {
            reportActionID: NumberUtils.rand64(),
            actionName: CONST.REPORT.ACTIONS.TYPE.ADDCOMMENT,
            actorAccountID: currentUserAccountID,
            person: [
                {
                    style: 'strong',
                    text: allPersonalDetails?.[currentUserAccountID ?? -1]?.displayName ?? currentUserEmail,
                    type: 'TEXT',
                },
            ],
            automatic: false,
            avatar: allPersonalDetails?.[currentUserAccountID ?? -1]?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
            created: DateUtils.getDBTimeWithSkew(),
            message: [
                {
                    translationKey: isAttachment ? CONST.TRANSLATION_KEYS.ATTACHMENT : '',
                    type: CONST.REPORT.MESSAGE.TYPE.COMMENT,
                    html: htmlForNewComment,
                    text: textForNewComment,
                },
            ],
            isFirstItem: false,
            isAttachment,
            attachmentInfo,
            pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
            shouldShow: true,
            isOptimisticAction: true,
        },
    };
}

/**
 * update optimistic parent reportAction when a comment is added or remove in the child report
 * @param parentReportAction - Parent report action of the child report
 * @param lastVisibleActionCreated - Last visible action created of the child report
 * @param type - The type of action in the child report
 */

function updateOptimisticParentReportAction(parentReportAction: OnyxEntry<ReportAction>, lastVisibleActionCreated: string, type: string): UpdateOptimisticParentReportAction {
    let childVisibleActionCount = parentReportAction?.childVisibleActionCount ?? 0;
    let childCommenterCount = parentReportAction?.childCommenterCount ?? 0;
    let childOldestFourAccountIDs = parentReportAction?.childOldestFourAccountIDs;

    if (type === CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD) {
        childVisibleActionCount += 1;
        const oldestFourAccountIDs = childOldestFourAccountIDs ? childOldestFourAccountIDs.split(',') : [];
        if (oldestFourAccountIDs.length < 4) {
            const index = oldestFourAccountIDs.findIndex((accountID) => accountID === currentUserAccountID?.toString());
            if (index === -1) {
                childCommenterCount += 1;
                oldestFourAccountIDs.push(currentUserAccountID?.toString() ?? '');
            }
        }
        childOldestFourAccountIDs = oldestFourAccountIDs.join(',');
    } else if (type === CONST.RED_BRICK_ROAD_PENDING_ACTION.DELETE) {
        if (childVisibleActionCount > 0) {
            childVisibleActionCount -= 1;
        }

        if (childVisibleActionCount === 0) {
            childCommenterCount = 0;
            childOldestFourAccountIDs = '';
        }
    }

    return {
        childVisibleActionCount,
        childCommenterCount,
        childLastVisibleActionCreated: lastVisibleActionCreated,
        childOldestFourAccountIDs,
    };
}

/**
 * Get optimistic data of parent report action
 * @param reportID The reportID of the report that is updated
 * @param lastVisibleActionCreated Last visible action created of the child report
 * @param type The type of action in the child report
 * @param parentReportID Custom reportID to be updated
 * @param parentReportActionID Custom reportActionID to be updated
 */
function getOptimisticDataForParentReportAction(reportID: string, lastVisibleActionCreated: string, type: string, parentReportID = '', parentReportActionID = ''): OnyxUpdate | EmptyObject {
    const report = getReport(reportID);
    if (!report || !isNotEmptyObject(report)) {
        return {};
    }
    const parentReportAction = ReportActionsUtils.getParentReportAction(report);
    if (!parentReportAction || !isNotEmptyObject(parentReportAction)) {
        return {};
    }

    const optimisticParentReportAction = updateOptimisticParentReportAction(parentReportAction, lastVisibleActionCreated, type);
    return {
        onyxMethod: Onyx.METHOD.MERGE,
        key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${parentReportID || report?.parentReportID}`,
        value: {
            [parentReportActionID || (report?.parentReportActionID ?? '')]: optimisticParentReportAction,
        },
    };
}

/**
 * Builds an optimistic reportAction for the parent report when a task is created
 * @param taskReportID - Report ID of the task
 * @param taskTitle - Title of the task
 * @param taskAssigneeAccountID - AccountID of the person assigned to the task
 * @param text - Text of the comment
 * @param parentReportID - Report ID of the parent report
 */
function buildOptimisticTaskCommentReportAction(taskReportID: string, taskTitle: string, taskAssigneeAccountID: number, text: string, parentReportID: string): OptimisticReportAction {
    const reportAction = buildOptimisticAddCommentReportAction(text);
    if (reportAction.reportAction.message) {
        reportAction.reportAction.message[0].taskReportID = taskReportID;
    }

    // These parameters are not saved on the reportAction, but are used to display the task in the UI
    // Added when we fetch the reportActions on a report
    reportAction.reportAction.originalMessage = {
        html: reportAction.reportAction.message?.[0].html,
        taskReportID: reportAction.reportAction.message?.[0].taskReportID,
    };
    reportAction.reportAction.childReportID = taskReportID;
    reportAction.reportAction.parentReportID = parentReportID;
    reportAction.reportAction.childType = CONST.REPORT.TYPE.TASK;
    reportAction.reportAction.childReportName = taskTitle;
    reportAction.reportAction.childManagerAccountID = taskAssigneeAccountID;
    reportAction.reportAction.childStatusNum = CONST.REPORT.STATUS.OPEN;
    reportAction.reportAction.childStateNum = CONST.REPORT.STATE_NUM.OPEN;

    return reportAction;
}

/**
 * Builds an optimistic IOU report with a randomly generated reportID
 *
 * @param payeeAccountID - AccountID of the person generating the IOU.
 * @param payerAccountID - AccountID of the other person participating in the IOU.
 * @param total - IOU amount in the smallest unit of the currency.
 * @param chatReportID - Report ID of the chat where the IOU is.
 * @param currency - IOU currency.
 * @param isSendingMoney - If we send money the IOU should be created as settled
 */

function buildOptimisticIOUReport(payeeAccountID: number, payerAccountID: number, total: number, chatReportID: string, currency: string, isSendingMoney = false): OptimisticIOUReport {
    const formattedTotal = CurrencyUtils.convertToDisplayString(total, currency);
    const personalDetails = getPersonalDetailsForAccountID(payerAccountID);
    const payerEmail = 'login' in personalDetails ? personalDetails.login : '';

    // When creating a report the participantsAccountIDs and visibleChatMemberAccountIDs are the same
    const participantsAccountIDs = [payeeAccountID, payerAccountID];

    return {
        type: CONST.REPORT.TYPE.IOU,
        cachedTotal: formattedTotal,
        chatReportID,
        currency,
        managerID: payerAccountID,
        ownerAccountID: payeeAccountID,
        participantAccountIDs: participantsAccountIDs,
        visibleChatMemberAccountIDs: participantsAccountIDs,
        reportID: generateReportID(),
        state: CONST.REPORT.STATE.SUBMITTED,
        stateNum: isSendingMoney ? CONST.REPORT.STATE_NUM.SUBMITTED : CONST.REPORT.STATE_NUM.PROCESSING,
        statusNum: isSendingMoney ? CONST.REPORT.STATUS.REIMBURSED : CONST.REPORT.STATE_NUM.PROCESSING,
        total,

        // We don't translate reportName because the server response is always in English
        reportName: `${payerEmail} owes ${formattedTotal}`,
        notificationPreference: CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN,
        parentReportID: chatReportID,
        lastVisibleActionCreated: DateUtils.getDBTime(),
    };
}

/**
 * Builds an optimistic Expense report with a randomly generated reportID
 *
 * @param chatReportID - Report ID of the PolicyExpenseChat where the Expense Report is
 * @param policyID - The policy ID of the PolicyExpenseChat
 * @param payeeAccountID - AccountID of the employee (payee)
 * @param total - Amount in cents
 * @param currency
 */

function buildOptimisticExpenseReport(chatReportID: string, policyID: string, payeeAccountID: number, total: number, currency: string): OptimisticExpenseReport {
    // The amount for Expense reports are stored as negative value in the database
    const storedTotal = total * -1;
    const policyName = getPolicyName(allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${chatReportID}`]);
    const formattedTotal = CurrencyUtils.convertToDisplayString(storedTotal, currency);
    const policy = getPolicy(policyID);

    const isFree = policy?.type === CONST.POLICY.TYPE.FREE;

    // Define the state and status of the report based on whether the policy is free or paid
    const state = isFree ? CONST.REPORT.STATE.SUBMITTED : CONST.REPORT.STATE.OPEN;
    const stateNum = isFree ? CONST.REPORT.STATE_NUM.PROCESSING : CONST.REPORT.STATE_NUM.OPEN;
    const statusNum = isFree ? CONST.REPORT.STATUS.SUBMITTED : CONST.REPORT.STATUS.OPEN;

    return {
        reportID: generateReportID(),
        chatReportID,
        policyID,
        type: CONST.REPORT.TYPE.EXPENSE,
        ownerAccountID: payeeAccountID,
        currency,

        // We don't translate reportName because the server response is always in English
        reportName: `${policyName} owes ${formattedTotal}`,
        state,
        stateNum,
        statusNum,
        total: storedTotal,
        notificationPreference: CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN,
        parentReportID: chatReportID,
        lastVisibleActionCreated: DateUtils.getDBTime(),
    };
}

/**
 * @param iouReportID - the report ID of the IOU report the action belongs to
 * @param type - IOUReportAction type. Can be oneOf(create, decline, cancel, pay, split)
 * @param total - IOU total in cents
 * @param comment - IOU comment
 * @param currency - IOU currency
 * @param paymentType - IOU paymentMethodType. Can be oneOf(Elsewhere, Expensify)
 * @param isSettlingUp - Whether we are settling up an IOU
 */
function getIOUReportActionMessage(iouReportID: string, type: string, total: number, comment: string, currency: string, paymentType = '', isSettlingUp = false): [Message] {
    const report = getReport(iouReportID);
    const amount =
        type === CONST.IOU.REPORT_ACTION_TYPE.PAY
            ? CurrencyUtils.convertToDisplayString(getMoneyRequestReimbursableTotal(isNotEmptyObject(report) ? report : null), currency)
            : CurrencyUtils.convertToDisplayString(total, currency);

    let paymentMethodMessage;
    switch (paymentType) {
        case CONST.IOU.PAYMENT_TYPE.VBBA:
        case CONST.IOU.PAYMENT_TYPE.EXPENSIFY:
            paymentMethodMessage = ' with Expensify';
            break;
        default:
            paymentMethodMessage = ` elsewhere`;
            break;
    }

    let iouMessage;
    switch (type) {
        case CONST.REPORT.ACTIONS.TYPE.APPROVED:
            iouMessage = `approved ${amount}`;
            break;
        case CONST.REPORT.ACTIONS.TYPE.SUBMITTED:
            iouMessage = `submitted ${amount}`;
            break;
        case CONST.IOU.REPORT_ACTION_TYPE.CREATE:
            iouMessage = `requested ${amount}${comment && ` for ${comment}`}`;
            break;
        case CONST.IOU.REPORT_ACTION_TYPE.SPLIT:
            iouMessage = `split ${amount}${comment && ` for ${comment}`}`;
            break;
        case CONST.IOU.REPORT_ACTION_TYPE.DELETE:
            iouMessage = `deleted the ${amount} request${comment && ` for ${comment}`}`;
            break;
        case CONST.IOU.REPORT_ACTION_TYPE.PAY:
            iouMessage = isSettlingUp ? `paid ${amount}${paymentMethodMessage}` : `sent ${amount}${comment && ` for ${comment}`}${paymentMethodMessage}`;
            break;
        default:
            break;
    }

    return [
        {
            html: lodashEscape(iouMessage),
            text: iouMessage ?? '',
            isEdited: false,
            type: CONST.REPORT.MESSAGE.TYPE.COMMENT,
        },
    ];
}

/**
 * Builds an optimistic IOU reportAction object
 *
 * @param type - IOUReportAction type. Can be oneOf(create, delete, pay, split).
 * @param amount - IOU amount in cents.
 * @param currency
 * @param comment - User comment for the IOU.
 * @param participants - An array with participants details.
 * @param [transactionID] - Not required if the IOUReportAction type is 'pay'
 * @param [paymentType] - Only required if the IOUReportAction type is 'pay'. Can be oneOf(elsewhere, Expensify).
 * @param [iouReportID] - Only required if the IOUReportActions type is oneOf(decline, cancel, pay). Generates a randomID as default.
 * @param [isSettlingUp] - Whether we are settling up an IOU.
 * @param [isSendMoneyFlow] - Whether this is send money flow
 * @param [receipt]
 * @param [isOwnPolicyExpenseChat] - Whether this is an expense report create from the current user's policy expense chat
 */

function buildOptimisticIOUReportAction(
    type: ValueOf<typeof CONST.IOU.REPORT_ACTION_TYPE>,
    amount: number,
    currency: string,
    comment: string,
    participants: Participant[],
    transactionID: string,
    paymentType: DeepValueOf<typeof CONST.IOU.PAYMENT_TYPE>,
    iouReportID = '',
    isSettlingUp = false,
    isSendMoneyFlow = false,
    receipt: Receipt = {},
    isOwnPolicyExpenseChat = false,
    created = DateUtils.getDBTime(),
): OptimisticIOUReportAction {
    const IOUReportID = iouReportID || generateReportID();

    const originalMessage: IOUMessage = {
        amount,
        comment,
        currency,
        IOUTransactionID: transactionID,
        IOUReportID,
        type,
    };

    if (type === CONST.IOU.REPORT_ACTION_TYPE.PAY) {
        // In send money flow, we store amount, comment, currency in IOUDetails when type = pay
        if (isSendMoneyFlow) {
            const keys = ['amount', 'comment', 'currency'] as const;
            keys.forEach((key) => {
                delete originalMessage[key];
            });
            originalMessage.IOUDetails = {amount, comment, currency};
            originalMessage.paymentType = paymentType;
        } else {
            // In case of pay money request action, we dont store the comment
            // and there is no single transctionID to link the action to.
            delete originalMessage.IOUTransactionID;
            delete originalMessage.comment;
            originalMessage.paymentType = paymentType;
        }
    }

    // IOUs of type split only exist in group DMs and those don't have an iouReport so we need to delete the IOUReportID key
    if (type === CONST.IOU.REPORT_ACTION_TYPE.SPLIT) {
        delete originalMessage.IOUReportID;
        // Split bill made from a policy expense chat only have the payee's accountID as the participant because the payer could be any policy admin
        if (isOwnPolicyExpenseChat) {
            originalMessage.participantAccountIDs = currentUserAccountID ? [currentUserAccountID] : [];
        } else {
            originalMessage.participantAccountIDs = currentUserAccountID
                ? [currentUserAccountID, ...participants.map((participant) => participant.accountID)]
                : participants.map((participant) => participant.accountID);
        }
    }

    return {
        actionName: CONST.REPORT.ACTIONS.TYPE.IOU,
        actorAccountID: currentUserAccountID,
        automatic: false,
        avatar: currentUserPersonalDetails?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
        isAttachment: false,
        originalMessage,
        message: getIOUReportActionMessage(iouReportID, type, amount, comment, currency, paymentType, isSettlingUp),
        person: [
            {
                style: 'strong',
                text: currentUserPersonalDetails?.displayName ?? currentUserEmail,
                type: 'TEXT',
            },
        ],
        reportActionID: NumberUtils.rand64(),
        shouldShow: true,
        created,
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
        whisperedToAccountIDs: [CONST.IOU.RECEIPT_STATE.SCANREADY, CONST.IOU.RECEIPT_STATE.SCANNING].some((value) => value === receipt?.state) ? [currentUserAccountID ?? -1] : [],
    };
}

/**
 * Builds an optimistic APPROVED report action with a randomly generated reportActionID.
 */
function buildOptimisticApprovedReportAction(amount: number, currency: string, expenseReportID: string): OptimisticApprovedReportAction {
    const originalMessage = {
        amount,
        currency,
        expenseReportID,
    };

    return {
        actionName: CONST.REPORT.ACTIONS.TYPE.APPROVED,
        actorAccountID: currentUserAccountID,
        automatic: false,
        avatar: currentUserPersonalDetails?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
        isAttachment: false,
        originalMessage,
        message: getIOUReportActionMessage(expenseReportID, CONST.REPORT.ACTIONS.TYPE.APPROVED, Math.abs(amount), '', currency),
        person: [
            {
                style: 'strong',
                text: currentUserPersonalDetails?.displayName ?? currentUserEmail,
                type: 'TEXT',
            },
        ],
        reportActionID: NumberUtils.rand64(),
        shouldShow: true,
        created: DateUtils.getDBTime(),
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
    };
}

/**
 * Builds an optimistic MOVED report action with a randomly generated reportActionID.
 * This action is used when we move reports across workspaces.
 */
function buildOptimisticMovedReportAction(fromPolicyID: string, toPolicyID: string, newParentReportID: string, movedReportID: string, policyName: string): ReportAction {
    const originalMessage = {
        fromPolicyID,
        toPolicyID,
        newParentReportID,
        movedReportID,
    };

    const movedActionMessage = [
        {
            html: `moved the report to the <a href='${CONST.NEW_EXPENSIFY_URL}r/${newParentReportID}' target='_blank' rel='noreferrer noopener'>${policyName}</a> workspace`,
            text: `moved the report to the ${policyName} workspace`,
            type: CONST.REPORT.MESSAGE.TYPE.COMMENT,
        },
    ];

    return {
        actionName: CONST.REPORT.ACTIONS.TYPE.MOVED,
        actorAccountID: currentUserAccountID,
        automatic: false,
        avatar: currentUserPersonalDetails?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
        isAttachment: false,
        originalMessage,
        message: movedActionMessage,
        person: [
            {
                style: 'strong',
                text: currentUserPersonalDetails?.displayName ?? currentUserEmail,
                type: 'TEXT',
            },
        ],
        reportActionID: NumberUtils.rand64(),
        shouldShow: true,
        created: DateUtils.getDBTime(),
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
    };
}

/**
 * Builds an optimistic SUBMITTED report action with a randomly generated reportActionID.
 *
 */
function buildOptimisticSubmittedReportAction(amount: number, currency: string, expenseReportID: string): OptimisticSubmittedReportAction {
    const originalMessage = {
        amount,
        currency,
        expenseReportID,
    };

    return {
        actionName: CONST.REPORT.ACTIONS.TYPE.SUBMITTED,
        actorAccountID: currentUserAccountID,
        automatic: false,
        avatar: currentUserPersonalDetails?.avatar ?? UserUtils.getDefaultAvatar(currentUserAccountID),
        isAttachment: false,
        originalMessage,
        message: getIOUReportActionMessage(expenseReportID, CONST.REPORT.ACTIONS.TYPE.SUBMITTED, Math.abs(amount), '', currency),
        person: [
            {
                style: 'strong',
                text: currentUserPersonalDetails?.displayName ?? currentUserEmail,
                type: 'TEXT',
            },
        ],
        reportActionID: NumberUtils.rand64(),
        shouldShow: true,
        created: DateUtils.getDBTime(),
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
    };
}

/**
 * Builds an optimistic REIMBURSEMENTDEQUEUED report action with a randomly generated reportActionID.
 *
 */
function buildOptimisticCancelPaymentReportAction(expenseReportID: string): OptimisticCancelPaymentReportAction {
    return {
        actionName: CONST.REPORT.ACTIONS.TYPE.REIMBURSEMENTDEQUEUED,
        actorAccountID: currentUserAccountID,
        message: [
            {
                cancellationReason: CONST.REPORT.CANCEL_PAYMENT_REASONS.ADMIN,
                expenseReportID,
                type: CONST.REPORT.MESSAGE.TYPE.COMMENT,
                text: '',
            },
        ],
        originalMessage: {
            cancellationReason: CONST.REPORT.CANCEL_PAYMENT_REASONS.ADMIN,
            expenseReportID,
        },
        person: [
            {
                style: 'strong',
                text: currentUserPersonalDetails?.displayName ?? currentUserEmail,
                type: 'TEXT',
            },
        ],
        reportActionID: NumberUtils.rand64(),
        shouldShow: true,
        created: DateUtils.getDBTime(),
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
    };
}

/**
 * Builds an optimistic report preview action with a randomly generated reportActionID.
 *
 * @param chatReport
 * @param iouReport
 * @param [comment] - User comment for the IOU.
 * @param [transaction] - optimistic first transaction of preview
 */
function buildOptimisticReportPreview(
    chatReport: OnyxEntry<Report>,
    iouReport: OnyxEntry<Report>,
    comment = '',
    transaction: OnyxEntry<Transaction> = null,
    childReportID?: string,
): OptimisticReportPreview {
    const hasReceipt = TransactionUtils.hasReceipt(transaction);
    const isReceiptBeingScanned = hasReceipt && TransactionUtils.isReceiptBeingScanned(transaction);
    const message = getReportPreviewMessage(iouReport);
    const created = DateUtils.getDBTime();
    return {
        reportActionID: NumberUtils.rand64(),
        reportID: chatReport?.reportID,
        actionName: CONST.REPORT.ACTIONS.TYPE.REPORTPREVIEW,
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
        originalMessage: {
            linkedReportID: iouReport?.reportID,
        },
        message: [
            {
                html: message,
                text: message,
                isEdited: false,
                type: CONST.REPORT.MESSAGE.TYPE.COMMENT,
            },
        ],
        created,
        accountID: iouReport?.managerID ?? 0,
        // The preview is initially whispered if created with a receipt, so the actor is the current user as well
        actorAccountID: hasReceipt ? currentUserAccountID : iouReport?.managerID ?? 0,
        childReportID: childReportID ?? iouReport?.reportID,
        childMoneyRequestCount: 1,
        childLastMoneyRequestComment: comment,
        childRecentReceiptTransactionIDs: hasReceipt && isNotEmptyObject(transaction) ? {[transaction?.transactionID ?? '']: created} : undefined,
        whisperedToAccountIDs: isReceiptBeingScanned ? [currentUserAccountID ?? -1] : [],
    };
}

/**
 * Builds an optimistic modified expense action with a randomly generated reportActionID.
 */
function buildOptimisticModifiedExpenseReportAction(
    transactionThread: OnyxEntry<Transaction>,
    oldTransaction: OnyxEntry<Transaction>,
    transactionChanges: ExpenseOriginalMessage,
    isFromExpenseReport: boolean,
): OptimisticModifiedExpenseReportAction {
    const originalMessage = getModifiedExpenseOriginalMessage(oldTransaction, transactionChanges, isFromExpenseReport);
    return {
        actionName: CONST.REPORT.ACTIONS.TYPE.MODIFIEDEXPENSE,
        actorAccountID: currentUserAccountID,
        automatic: false,
        avatar: currentUserPersonalDetails?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
        created: DateUtils.getDBTime(),
        isAttachment: false,
        message: [
            {
                // Currently we are composing the message from the originalMessage and message is only used in OldDot and not in the App
                text: 'You',
                style: 'strong',
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
            },
        ],
        originalMessage,
        person: [
            {
                style: 'strong',
                text: currentUserPersonalDetails?.displayName ?? String(currentUserAccountID),
                type: 'TEXT',
            },
        ],
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
        reportActionID: NumberUtils.rand64(),
        reportID: transactionThread?.reportID,
        shouldShow: true,
    };
}

/**
 * Updates a report preview action that exists for an IOU report.
 *
 * @param [comment] - User comment for the IOU.
 * @param [transaction] - optimistic newest transaction of a report preview
 *
 */
function updateReportPreview(
    iouReport: OnyxEntry<Report>,
    reportPreviewAction: OnyxEntry<ReportAction>,
    isPayRequest = false,
    comment = '',
    transaction: OnyxEntry<Transaction> = null,
): UpdateReportPreview {
    const hasReceipt = TransactionUtils.hasReceipt(transaction);
    const recentReceiptTransactions = reportPreviewAction?.childRecentReceiptTransactionIDs ?? {};
    const transactionsToKeep = TransactionUtils.getRecentTransactions(recentReceiptTransactions);
    const previousTransactionsArray = Object.entries(recentReceiptTransactions ?? {}).map(([key, value]) => (transactionsToKeep.includes(key) ? {[key]: value} : null));
    const previousTransactions: Record<string, string> = {};

    for (const obj of previousTransactionsArray) {
        for (const key in obj) {
            if (obj) {
                previousTransactions[key] = obj[key];
            }
        }
    }

    const message = getReportPreviewMessage(iouReport, reportPreviewAction);
    return {
        ...reportPreviewAction,
        created: DateUtils.getDBTime(),
        message: [
            {
                html: message,
                text: message,
                isEdited: false,
                type: CONST.REPORT.MESSAGE.TYPE.COMMENT,
            },
        ],
        childLastMoneyRequestComment: comment || reportPreviewAction?.childLastMoneyRequestComment,
        childMoneyRequestCount: (reportPreviewAction?.childMoneyRequestCount ?? 0) + (isPayRequest ? 0 : 1),
        childRecentReceiptTransactionIDs: hasReceipt
            ? {
                  ...(transaction && {[transaction.transactionID]: transaction?.created}),
                  ...previousTransactions,
              }
            : recentReceiptTransactions,
        // As soon as we add a transaction without a receipt to the report, it will have ready money requests,
        // so we remove the whisper
        whisperedToAccountIDs: hasReceipt ? reportPreviewAction?.whisperedToAccountIDs : [],
    };
}

function buildOptimisticTaskReportAction(taskReportID: string, actionName: OriginalMessageActionName, message = ''): OptimisticTaskReportAction {
    const originalMessage = {
        taskReportID,
        type: actionName,
        text: message,
    };
    return {
        actionName,
        actorAccountID: currentUserAccountID,
        automatic: false,
        avatar: currentUserPersonalDetails?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
        isAttachment: false,
        originalMessage,
        message: [
            {
                text: message,
                taskReportID,
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
            },
        ],
        person: [
            {
                style: 'strong',
                text: currentUserPersonalDetails?.displayName ?? String(currentUserAccountID),
                type: 'TEXT',
            },
        ],
        reportActionID: NumberUtils.rand64(),
        shouldShow: true,
        created: DateUtils.getDBTime(),
        isFirstItem: false,
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
    };
}

/**
 * Builds an optimistic chat report with a randomly generated reportID and as much information as we currently have
 */
function buildOptimisticChatReport(
    participantList: number[],
    reportName: string = CONST.REPORT.DEFAULT_REPORT_NAME,
    chatType: ValueOf<typeof CONST.REPORT.CHAT_TYPE> | undefined = undefined,
    policyID: string = CONST.POLICY.OWNER_EMAIL_FAKE,
    ownerAccountID: number = CONST.REPORT.OWNER_ACCOUNT_ID_FAKE,
    isOwnPolicyExpenseChat = false,
    oldPolicyName = '',
    visibility: ValueOf<typeof CONST.REPORT.VISIBILITY> | undefined = undefined,
    writeCapability: ValueOf<typeof CONST.REPORT.WRITE_CAPABILITIES> | undefined = undefined,
    notificationPreference: NotificationPreference = CONST.REPORT.NOTIFICATION_PREFERENCE.ALWAYS,
    parentReportActionID = '',
    parentReportID = '',
    welcomeMessage = '',
): OptimisticChatReport {
    const currentTime = DateUtils.getDBTime();
    const isNewlyCreatedWorkspaceChat = chatType === CONST.REPORT.CHAT_TYPE.POLICY_EXPENSE_CHAT && isOwnPolicyExpenseChat;
    return {
        type: CONST.REPORT.TYPE.CHAT,
        chatType,
        isOwnPolicyExpenseChat,
        isPinned: reportName === CONST.REPORT.WORKSPACE_CHAT_ROOMS.ADMINS || isNewlyCreatedWorkspaceChat,
        lastActorAccountID: 0,
        lastMessageTranslationKey: '',
        lastMessageHtml: '',
        lastMessageText: undefined,
        lastReadTime: currentTime,
        lastVisibleActionCreated: currentTime,
        notificationPreference,
        oldPolicyName,
        ownerAccountID: ownerAccountID || CONST.REPORT.OWNER_ACCOUNT_ID_FAKE,
        parentReportActionID,
        parentReportID,
        // When creating a report the participantsAccountIDs and visibleChatMemberAccountIDs are the same
        participantAccountIDs: participantList,
        visibleChatMemberAccountIDs: participantList,
        policyID,
        reportID: generateReportID(),
        reportName,
        stateNum: 0,
        statusNum: 0,
        visibility,
        welcomeMessage,
        writeCapability,
    };
}

/**
 * Returns the necessary reportAction onyx data to indicate that the chat has been created optimistically
 * @param [created] - Action created time
 */
function buildOptimisticCreatedReportAction(emailCreatingAction: string, created = DateUtils.getDBTime()): OptimisticCreatedReportAction {
    return {
        reportActionID: NumberUtils.rand64(),
        actionName: CONST.REPORT.ACTIONS.TYPE.CREATED,
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
        actorAccountID: currentUserAccountID,
        message: [
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'strong',
                text: emailCreatingAction,
            },
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'normal',
                text: ' created this report',
            },
        ],
        person: [
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'strong',
                text: allPersonalDetails?.[currentUserAccountID ?? '']?.displayName ?? currentUserEmail,
            },
        ],
        automatic: false,
        avatar: allPersonalDetails?.[currentUserAccountID ?? '']?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
        created,
        shouldShow: true,
    };
}

/**
 * Returns the necessary reportAction onyx data to indicate that a task report has been edited
 */
function buildOptimisticEditedTaskReportAction(emailEditingTask: string): OptimisticEditedTaskReportAction {
    return {
        reportActionID: NumberUtils.rand64(),
        actionName: CONST.REPORT.ACTIONS.TYPE.TASKEDITED,
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
        actorAccountID: currentUserAccountID,
        message: [
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'strong',
                text: emailEditingTask,
            },
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'normal',
                text: ' edited this task',
            },
        ],
        person: [
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'strong',
                text: allPersonalDetails?.[currentUserAccountID ?? '']?.displayName ?? currentUserEmail,
            },
        ],
        automatic: false,
        avatar: allPersonalDetails?.[currentUserAccountID ?? '']?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
        created: DateUtils.getDBTime(),
        shouldShow: false,
    };
}

/**
 * Returns the necessary reportAction onyx data to indicate that a chat has been archived
 *
 * @param reason - A reason why the chat has been archived
 */
function buildOptimisticClosedReportAction(emailClosingReport: string, policyName: string, reason: string = CONST.REPORT.ARCHIVE_REASON.DEFAULT): OptimisticClosedReportAction {
    return {
        actionName: CONST.REPORT.ACTIONS.TYPE.CLOSED,
        actorAccountID: currentUserAccountID,
        automatic: false,
        avatar: allPersonalDetails?.[currentUserAccountID ?? '']?.avatar ?? UserUtils.getDefaultAvatarURL(currentUserAccountID),
        created: DateUtils.getDBTime(),
        message: [
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'strong',
                text: emailClosingReport,
            },
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'normal',
                text: ' closed this report',
            },
        ],
        originalMessage: {
            policyName,
            reason,
        },
        pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
        person: [
            {
                type: CONST.REPORT.MESSAGE.TYPE.TEXT,
                style: 'strong',
                text: allPersonalDetails?.[currentUserAccountID ?? '']?.displayName ?? currentUserEmail,
            },
        ],
        reportActionID: NumberUtils.rand64(),
        shouldShow: true,
    };
}

function buildOptimisticWorkspaceChats(policyID: string, policyName: string): OptimisticWorkspaceChats {
    const announceChatData = buildOptimisticChatReport(
        currentUserAccountID ? [currentUserAccountID] : [],
        CONST.REPORT.WORKSPACE_CHAT_ROOMS.ANNOUNCE,
        CONST.REPORT.CHAT_TYPE.POLICY_ANNOUNCE,
        policyID,
        CONST.POLICY.OWNER_ACCOUNT_ID_FAKE,
        false,
        policyName,
        undefined,
        undefined,

        // #announce contains all policy members so notifying always should be opt-in only.
        CONST.REPORT.NOTIFICATION_PREFERENCE.DAILY,
    );
    const announceChatReportID = announceChatData.reportID;
    const announceCreatedAction = buildOptimisticCreatedReportAction(CONST.POLICY.OWNER_EMAIL_FAKE);
    const announceReportActionData = {
        [announceCreatedAction.reportActionID]: announceCreatedAction,
    };

    const adminsChatData = buildOptimisticChatReport(
        [currentUserAccountID ?? -1],
        CONST.REPORT.WORKSPACE_CHAT_ROOMS.ADMINS,
        CONST.REPORT.CHAT_TYPE.POLICY_ADMINS,
        policyID,
        CONST.POLICY.OWNER_ACCOUNT_ID_FAKE,
        false,
        policyName,
    );
    const adminsChatReportID = adminsChatData.reportID;
    const adminsCreatedAction = buildOptimisticCreatedReportAction(CONST.POLICY.OWNER_EMAIL_FAKE);
    const adminsReportActionData = {
        [adminsCreatedAction.reportActionID]: adminsCreatedAction,
    };

    const expenseChatData = buildOptimisticChatReport([currentUserAccountID ?? -1], '', CONST.REPORT.CHAT_TYPE.POLICY_EXPENSE_CHAT, policyID, currentUserAccountID, true, policyName);
    const expenseChatReportID = expenseChatData.reportID;
    const expenseReportCreatedAction = buildOptimisticCreatedReportAction(currentUserEmail ?? '');
    const expenseReportActionData = {
        [expenseReportCreatedAction.reportActionID]: expenseReportCreatedAction,
    };

    return {
        announceChatReportID,
        announceChatData,
        announceReportActionData,
        announceCreatedReportActionID: announceCreatedAction.reportActionID,
        adminsChatReportID,
        adminsChatData,
        adminsReportActionData,
        adminsCreatedReportActionID: adminsCreatedAction.reportActionID,
        expenseChatReportID,
        expenseChatData,
        expenseReportActionData,
        expenseCreatedReportActionID: expenseReportCreatedAction.reportActionID,
    };
}

/**
 * Builds an optimistic Task Report with a randomly generated reportID
 *
 * @param ownerAccountID - Account ID of the person generating the Task.
 * @param assigneeAccountID - AccountID of the other person participating in the Task.
 * @param parentReportID - Report ID of the chat where the Task is.
 * @param title - Task title.
 * @param description - Task description.
 * @param policyID - PolicyID of the parent report
 */

function buildOptimisticTaskReport(
    ownerAccountID: number,
    assigneeAccountID = 0,
    parentReportID?: string,
    title?: string,
    description?: string,
    policyID: string = CONST.POLICY.OWNER_EMAIL_FAKE,
): OptimisticTaskReport {
    // When creating a report the participantsAccountIDs and visibleChatMemberAccountIDs are the same
    const participantsAccountIDs = assigneeAccountID && assigneeAccountID !== ownerAccountID ? [assigneeAccountID] : [];

    return {
        reportID: generateReportID(),
        reportName: title,
        description,
        ownerAccountID,
        participantAccountIDs: participantsAccountIDs,
        visibleChatMemberAccountIDs: participantsAccountIDs,
        managerID: assigneeAccountID,
        type: CONST.REPORT.TYPE.TASK,
        parentReportID,
        policyID,
        stateNum: CONST.REPORT.STATE_NUM.OPEN,
        statusNum: CONST.REPORT.STATUS.OPEN,
        notificationPreference: CONST.REPORT.NOTIFICATION_PREFERENCE.ALWAYS,
        lastVisibleActionCreated: DateUtils.getDBTime(),
    };
}

/**
 * A helper method to create transaction thread
 *
 * @param reportAction - the parent IOU report action from which to create the thread
 *
 * @param moneyRequestReportID - the reportID which the report action belong to
 */
function buildTransactionThread(reportAction: OnyxEntry<ReportAction>, moneyRequestReportID: string): OptimisticChatReport {
    const participantAccountIDs = [...new Set([currentUserAccountID, Number(reportAction?.actorAccountID)])].filter(Boolean) as number[];
    return buildOptimisticChatReport(
        participantAccountIDs,
        getTransactionReportName(reportAction),
        undefined,
        getReport(moneyRequestReportID)?.policyID ?? CONST.POLICY.OWNER_EMAIL_FAKE,
        CONST.POLICY.OWNER_ACCOUNT_ID_FAKE,
        false,
        '',
        undefined,
        undefined,
        CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN,
        reportAction?.reportActionID,
        moneyRequestReportID,
    );
}

function isUnread(report: OnyxEntry<Report>): boolean {
    if (!report) {
        return false;
    }

    // lastVisibleActionCreated and lastReadTime are both datetime strings and can be compared directly
    const lastVisibleActionCreated = report.lastVisibleActionCreated ?? '';
    const lastReadTime = report.lastReadTime ?? '';
    return lastReadTime < lastVisibleActionCreated;
}

function isIOUOwnedByCurrentUser(report: OnyxEntry<Report>, allReportsDict: OnyxCollection<Report> = null): boolean {
    const allAvailableReports = allReportsDict ?? allReports;
    if (!report || !allAvailableReports) {
        return false;
    }

    let reportToLook = report;
    if (report.iouReportID) {
        const iouReport = allAvailableReports[`${ONYXKEYS.COLLECTION.REPORT}${report.iouReportID}`];
        if (iouReport) {
            reportToLook = iouReport;
        }
    }

    return reportToLook.ownerAccountID === currentUserAccountID;
}

/**
 * Assuming the passed in report is a default room, lets us know whether we can see it or not, based on permissions and
 * the various subsets of users we've allowed to use default rooms.
 */
function canSeeDefaultRoom(report: OnyxEntry<Report>, policies: OnyxCollection<Policy>, betas: OnyxEntry<Beta[]>): boolean {
    // Include archived rooms
    if (isArchivedRoom(report)) {
        return true;
    }

    // Include default rooms for free plan policies (domain rooms aren't included in here because they do not belong to a policy)
    if (getPolicyType(report, policies) === CONST.POLICY.TYPE.FREE) {
        return true;
    }

    // Include domain rooms with Partner Managers (Expensify accounts) in them for accounts that are on a domain with an Approved Accountant
    if (isDomainRoom(report) && doesDomainHaveApprovedAccountant && hasExpensifyEmails(report?.participantAccountIDs ?? [])) {
        return true;
    }

    // If the room has an assigned guide, it can be seen.
    if (hasExpensifyGuidesEmails(report?.participantAccountIDs ?? [])) {
        return true;
    }

    // Include any admins and announce rooms, since only non partner-managed domain rooms are on the beta now.
    if (isAdminRoom(report) || isAnnounceRoom(report)) {
        return true;
    }

    // For all other cases, just check that the user belongs to the default rooms beta
    return Permissions.canUseDefaultRooms(betas ?? []);
}

function canAccessReport(report: OnyxEntry<Report>, policies: OnyxCollection<Policy>, betas: OnyxEntry<Beta[]>): boolean {
    if (isThread(report) && ReportActionsUtils.isPendingRemove(ReportActionsUtils.getParentReportAction(report))) {
        return false;
    }

    // We hide default rooms (it's basically just domain rooms now) from people who aren't on the defaultRooms beta.
    if (isDefaultRoom(report) && !canSeeDefaultRoom(report, policies, betas)) {
        return false;
    }

    return true;
}
/**
 * Check if the report is the parent report of the currently viewed report or at least one child report has report action
 */
function shouldHideReport(report: OnyxEntry<Report>, currentReportId: string): boolean {
    const currentReport = getReport(currentReportId);
    const parentReport = getParentReport(isNotEmptyObject(currentReport) ? currentReport : null);
    const reportActions = ReportActionsUtils.getAllReportActions(report?.reportID ?? '');
    const isChildReportHasComment = Object.values(reportActions ?? {})?.some((reportAction) => (reportAction?.childVisibleActionCount ?? 0) > 0);
    return parentReport?.reportID !== report?.reportID && !isChildReportHasComment;
}

/**
 * Takes several pieces of data from Onyx and evaluates if a report should be shown in the option list (either when searching
 * for reports or the reports shown in the LHN).
 *
 * This logic is very specific and the order of the logic is very important. It should fail quickly in most cases and also
 * filter out the majority of reports before filtering out very specific minority of reports.
 */
function shouldReportBeInOptionList(report: OnyxEntry<Report>, currentReportId: string, isInGSDMode: boolean, betas: Beta[], policies: OnyxCollection<Policy>, excludeEmptyChats = false) {
    const isInDefaultMode = !isInGSDMode;
    // Exclude reports that have no data because there wouldn't be anything to show in the option item.
    // This can happen if data is currently loading from the server or a report is in various stages of being created.
    // This can also happen for anyone accessing a public room or archived room for which they don't have access to the underlying policy.
    if (
        !report?.reportID ||
        !report?.type ||
        report?.reportName === undefined ||
        // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
        report?.isHidden ||
        // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
        report?.participantAccountIDs?.includes(CONST.ACCOUNT_ID.NOTIFICATIONS) ||
        (report?.participantAccountIDs?.length === 0 &&
            !isChatThread(report) &&
            !isPublicRoom(report) &&
            !isUserCreatedPolicyRoom(report) &&
            !isArchivedRoom(report) &&
            !isMoneyRequestReport(report) &&
            !isTaskReport(report))
    ) {
        return false;
    }
    if (!canAccessReport(report, policies, betas)) {
        return false;
    }

    // Include the currently viewed report. If we excluded the currently viewed report, then there
    // would be no way to highlight it in the options list and it would be confusing to users because they lose
    // a sense of context.
    if (report.reportID === currentReportId) {
        return true;
    }

    // Include reports that are relevant to the user in any view mode. Criteria include having a draft or having a GBR showing.
    // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
    if (report.hasDraft || requiresAttentionFromCurrentUser(report)) {
        return true;
    }
    const lastVisibleMessage = ReportActionsUtils.getLastVisibleMessage(report.reportID);
    const isEmptyChat = !report.lastMessageText && !report.lastMessageTranslationKey && !lastVisibleMessage.lastMessageText && !lastVisibleMessage.lastMessageTranslationKey;
    const canHideReport = shouldHideReport(report, currentReportId);

    // Include reports if they are pinned
    if (report.isPinned) {
        return true;
    }

    // Hide only chat threads that haven't been commented on (other threads are actionable)
    if (isChatThread(report) && canHideReport && isEmptyChat) {
        return false;
    }

    // Include reports that have errors from trying to add a workspace
    // If we excluded it, then the red-brock-road pattern wouldn't work for the user to resolve the error
    if (report.errorFields?.addWorkspaceRoom) {
        return true;
    }

    // All unread chats (even archived ones) in GSD mode will be shown. This is because GSD mode is specifically for focusing the user on the most relevant chats, primarily, the unread ones
    if (isInGSDMode) {
        return isUnread(report);
    }

    // Archived reports should always be shown when in default (most recent) mode. This is because you should still be able to access and search for the chats to find them.
    if (isInDefaultMode && isArchivedRoom(report)) {
        return true;
    }

    // Hide chats between two users that haven't been commented on from the LNH
    if (excludeEmptyChats && isEmptyChat && isChatReport(report) && !isChatRoom(report) && !isPolicyExpenseChat(report) && canHideReport) {
        return false;
    }

    return true;
}

/**
 * Attempts to find a report in onyx with the provided list of participants. Does not include threads, task, money request, room, and policy expense chat.
 */
function getChatByParticipants(newParticipantList: number[]): OnyxEntry<Report> {
    const sortedNewParticipantList = newParticipantList.sort();
    return (
        Object.values(allReports ?? {}).find((report) => {
            // If the report has been deleted, or there are no participants (like an empty #admins room) then skip it
            if (
                !report ||
                report.participantAccountIDs?.length === 0 ||
                isChatThread(report) ||
                isTaskReport(report) ||
                isMoneyRequestReport(report) ||
                isChatRoom(report) ||
                isPolicyExpenseChat(report)
            ) {
                return false;
            }

            // Only return the chat if it has all the participants
            return lodashIsEqual(sortedNewParticipantList, report.participantAccountIDs?.sort());
        }) ?? null
    );
}

/**
 * Attempts to find a report in onyx with the provided list of participants in given policy
 */
function getChatByParticipantsAndPolicy(newParticipantList: number[], policyID: string): OnyxEntry<Report> {
    newParticipantList.sort();
    return (
        Object.values(allReports ?? {}).find((report) => {
            // If the report has been deleted, or there are no participants (like an empty #admins room) then skip it
            if (!report?.participantAccountIDs) {
                return false;
            }
            const sortedParticipanctsAccountIDs = report.parentReportActionIDs?.sort();
            // Only return the room if it has all the participants and is not a policy room
            return report.policyID === policyID && lodashIsEqual(newParticipantList, sortedParticipanctsAccountIDs);
        }) ?? null
    );
}

function getAllPolicyReports(policyID: string): Array<OnyxEntry<Report>> {
    return Object.values(allReports ?? {}).filter((report) => report?.policyID === policyID);
}

/**
 * Returns true if Chronos is one of the chat participants (1:1)
 */
function chatIncludesChronos(report: OnyxEntry<Report>): boolean {
    return Boolean(report?.participantAccountIDs?.includes(CONST.ACCOUNT_ID.CHRONOS));
}

/**
 * Can only flag if:
 *
 * - It was written by someone else and isn't a whisper
 * - It's a welcome message whisper
 * - It's an ADDCOMMENT that is not an attachment
 */
function canFlagReportAction(reportAction: OnyxEntry<ReportAction>, reportID: string | undefined): boolean {
    const report = getReport(reportID);
    const isCurrentUserAction = reportAction?.actorAccountID === currentUserAccountID;
    const isOriginalMessageHaveHtml =
        reportAction?.actionName === CONST.REPORT.ACTIONS.TYPE.ADDCOMMENT ||
        reportAction?.actionName === CONST.REPORT.ACTIONS.TYPE.RENAMED ||
        reportAction?.actionName === CONST.REPORT.ACTIONS.TYPE.CHRONOSOOOLIST;
    if (ReportActionsUtils.isWhisperAction(reportAction)) {
        // Allow flagging welcome message whispers as they can be set by any room creator
        if (report?.welcomeMessage && !isCurrentUserAction && isOriginalMessageHaveHtml && reportAction?.originalMessage?.html === report.welcomeMessage) {
            return true;
        }

        // Disallow flagging the rest of whisper as they are sent by us
        return false;
    }

    return Boolean(
        !isCurrentUserAction &&
            reportAction?.actionName === CONST.REPORT.ACTIONS.TYPE.ADDCOMMENT &&
            !ReportActionsUtils.isDeletedAction(reportAction) &&
            !ReportActionsUtils.isCreatedTaskReportAction(reportAction) &&
            isNotEmptyObject(report) &&
            report &&
            isAllowedToComment(report),
    );
}

/**
 * Whether flag comment page should show
 */
function shouldShowFlagComment(reportAction: OnyxEntry<ReportAction>, report: OnyxEntry<Report>): boolean {
    return (
        canFlagReportAction(reportAction, report?.reportID) &&
        !isArchivedRoom(report) &&
        !chatIncludesChronos(report) &&
        !isConciergeChatReport(report) &&
        reportAction?.actorAccountID !== CONST.ACCOUNT_ID.CONCIERGE
    );
}

/**
 * @param sortedAndFilteredReportActions - reportActions for the report, sorted newest to oldest, and filtered for only those that should be visible
 */
function getNewMarkerReportActionID(report: OnyxEntry<Report>, sortedAndFilteredReportActions: ReportAction[]): string {
    if (!isUnread(report)) {
        return '';
    }

    const newMarkerIndex = lodashFindLastIndex(sortedAndFilteredReportActions, (reportAction) => (reportAction.created ?? '') > (report?.lastReadTime ?? ''));

    return 'reportActionID' in sortedAndFilteredReportActions[newMarkerIndex] ? sortedAndFilteredReportActions[newMarkerIndex].reportActionID : '';
}

/**
 * Performs the markdown conversion, and replaces code points > 127 with C escape sequences
 * Used for compatibility with the backend auth validator for AddComment, and to account for MD in comments
 * @returns The comment's total length as seen from the backend
 */
function getCommentLength(textComment: string): number {
    return getParsedComment(textComment)
        .replace(/[^ -~]/g, '\\u????')
        .trim().length;
}

function getRouteFromLink(url: string | null): string {
    if (!url) {
        return '';
    }

    // Get the reportID from URL
    let route = url;
    const localWebAndroidRegEx = /^(https:\/\/([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3}))/;
    linkingConfig.prefixes.forEach((prefix) => {
        if (route.startsWith(prefix)) {
            route = route.replace(prefix, '');
        } else if (localWebAndroidRegEx.test(route)) {
            route = route.replace(localWebAndroidRegEx, '');
        } else {
            return;
        }

        // Remove the port if it's a localhost URL
        if (/^:\d+/.test(route)) {
            route = route.replace(/:\d+/, '');
        }

        // Remove the leading slash if exists
        if (route.startsWith('/')) {
            route = route.replace('/', '');
        }
    });
    return route;
}

function parseReportRouteParams(route: string): ReportRouteParams {
    let parsingRoute = route;
    if (parsingRoute.at(0) === '/') {
        // remove the first slash
        parsingRoute = parsingRoute.slice(1);
    }

    if (!parsingRoute.startsWith(Url.addTrailingForwardSlash(ROUTES.REPORT))) {
        return {reportID: '', isSubReportPageRoute: false};
    }

    const pathSegments = parsingRoute.split('/');

    const reportIDSegment = pathSegments[1];

    // Check for "undefined" or any other unwanted string values
    if (!reportIDSegment || reportIDSegment === 'undefined') {
        return {reportID: '', isSubReportPageRoute: false};
    }

    return {
        reportID: reportIDSegment,
        isSubReportPageRoute: pathSegments.length > 2,
    };
}

function getReportIDFromLink(url: string | null): string {
    const route = getRouteFromLink(url);
    const {reportID, isSubReportPageRoute} = parseReportRouteParams(route);
    if (isSubReportPageRoute) {
        // We allow the Sub-Report deep link routes (settings, details, etc.) to be handled by their respective component pages
        return '';
    }
    return reportID;
}

/**
 * Get the report policyID given a reportID
 */
function getReportPolicyID(reportID?: string): string | undefined {
    return getReport(reportID)?.policyID;
}

/**
 * Check if the chat report is linked to an iou that is waiting for the current user to add a credit bank account.
 */
function hasIOUWaitingOnCurrentUserBankAccount(chatReport: OnyxEntry<Report>): boolean {
    if (chatReport?.iouReportID) {
        const iouReport = allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${chatReport?.iouReportID}`];
        if (iouReport?.isWaitingOnBankAccount && iouReport?.ownerAccountID === currentUserAccountID) {
            return true;
        }
    }

    return false;
}

/**
 * Users can request money:
 * - in policy expense chats only if they are in a role of a member in the chat (in other words, if it's their policy expense chat)
 * - in an open or submitted expense report tied to a policy expense chat the user owns
 *     - employee can request money in submitted expense report only if the policy has Instant Submit settings turned on
 * - in an IOU report, which is not settled yet
 * - in a 1:1 DM chat
 */
function canRequestMoney(report: OnyxEntry<Report>, policy: OnyxEntry<Policy>, otherParticipants: number[]): boolean {
    // User cannot request money in chat thread or in task report or in chat room
    if (isChatThread(report) || isTaskReport(report) || isChatRoom(report)) {
        return false;
    }

    // Users can only request money in DMs if they are a 1:1 DM
    if (isDM(report)) {
        return otherParticipants.length === 1;
    }

    // Prevent requesting money if pending IOU report waiting for their bank account already exists
    if (hasIOUWaitingOnCurrentUserBankAccount(report)) {
        return false;
    }

    // In case of expense reports, we have to look at the parent workspace chat to get the isOwnPolicyExpenseChat property
    let isOwnPolicyExpenseChat = report?.isOwnPolicyExpenseChat ?? false;
    if (isExpenseReport(report) && getParentReport(report)) {
        isOwnPolicyExpenseChat = Boolean(getParentReport(report)?.isOwnPolicyExpenseChat);
    }

    // In case there are no other participants than the current user and it's not user's own policy expense chat, they can't request money from such report
    if (otherParticipants.length === 0 && !isOwnPolicyExpenseChat) {
        return false;
    }

    // User can request money in any IOU report, unless paid, but user can only request money in an expense report
    // which is tied to their workspace chat.
    if (isMoneyRequestReport(report)) {
        const isOwnExpenseReport = isExpenseReport(report) && isOwnPolicyExpenseChat;
        if (isOwnExpenseReport && PolicyUtils.isPaidGroupPolicy(policy)) {
            return isDraftExpenseReport(report);
        }

        return (isOwnExpenseReport || isIOUReport(report)) && !isReportApproved(report) && !isSettled(report?.reportID);
    }

    // In case of policy expense chat, users can only request money from their own policy expense chat
    return !isPolicyExpenseChat(report) || isOwnPolicyExpenseChat;
}

/**
 * Helper method to define what money request options we want to show for particular method.
 * There are 3 money request options: Request, Split and Send:
 * - Request option should show for:
 *     - DMs
 *     - own policy expense chats
 *     - open and processing expense reports tied to own policy expense chat
 *     - unsettled IOU reports
 * - Send option should show for:
 *     - DMs
 * - Split options should show for:
 *     - chat/ policy rooms with more than 1 participants
 *     - groups chats with 3 and more participants
 *     - corporate workspace chats
 *
 * None of the options should show in chat threads or if there is some special Expensify account
 * as a participant of the report.
 */
function getMoneyRequestOptions(report: OnyxEntry<Report>, policy: OnyxEntry<Policy>, reportParticipants: number[]): Array<ValueOf<typeof CONST.IOU.TYPE>> {
    // In any thread or task report, we do not allow any new money requests yet
    if (isChatThread(report) || isTaskReport(report)) {
        return [];
    }

    // We don't allow IOU actions if an Expensify account is a participant of the report, unless the policy that the report is on is owned by an Expensify account
    const doParticipantsIncludeExpensifyAccounts = lodashIntersection(reportParticipants, CONST.EXPENSIFY_ACCOUNT_IDS).length > 0;
    const isPolicyOwnedByExpensifyAccounts = report?.policyID ? CONST.EXPENSIFY_ACCOUNT_IDS.includes(getPolicy(report?.policyID ?? '')?.ownerAccountID ?? 0) : false;
    if (doParticipantsIncludeExpensifyAccounts && !isPolicyOwnedByExpensifyAccounts) {
        return [];
    }

    const otherParticipants = reportParticipants.filter((accountID) => currentUserPersonalDetails?.accountID !== accountID);
    const hasSingleOtherParticipantInReport = otherParticipants.length === 1;
    const hasMultipleOtherParticipants = otherParticipants.length > 1;
    let options: Array<ValueOf<typeof CONST.IOU.TYPE>> = [];

    // User created policy rooms and default rooms like #admins or #announce will always have the Split Bill option
    // unless there are no other participants at all (e.g. #admins room for a policy with only 1 admin)
    // DM chats will have the Split Bill option only when there are at least 2 other people in the chat.
    // Your own workspace chats will have the split bill option.
    if ((isChatRoom(report) && otherParticipants.length > 0) || (isDM(report) && hasMultipleOtherParticipants) || (isPolicyExpenseChat(report) && report?.isOwnPolicyExpenseChat)) {
        options = [CONST.IOU.TYPE.SPLIT];
    }

    if (canRequestMoney(report, policy, otherParticipants)) {
        options = [...options, CONST.IOU.TYPE.REQUEST];
    }

    // Send money option should be visible only in 1:1 DMs
    if (isDM(report) && hasSingleOtherParticipantInReport) {
        options = [...options, CONST.IOU.TYPE.SEND];
    }

    return options;
}

/**
 * Allows a user to leave a policy room according to the following conditions of the visibility or chatType rNVP:
 * `public` - Anyone can leave (because anybody can join)
 * `public_announce` - Only non-policy members can leave (it's auto-shared with policy members)
 * `policy_admins` - Nobody can leave (it's auto-shared with all policy admins)
 * `policy_announce` - Nobody can leave (it's auto-shared with all policy members)
 * `policyExpenseChat` - Nobody can leave (it's auto-shared with all policy members)
 * `policy` - Anyone can leave (though only policy members can join)
 * `domain` - Nobody can leave (it's auto-shared with domain members)
 * `dm` - Nobody can leave (it's auto-shared with users)
 * `private` - Anybody can leave (though you can only be invited to join)
 */
function canLeaveRoom(report: OnyxEntry<Report>, isPolicyMember: boolean): boolean {
    if (!report?.visibility) {
        if (
            report?.chatType === CONST.REPORT.CHAT_TYPE.POLICY_ADMINS ||
            report?.chatType === CONST.REPORT.CHAT_TYPE.POLICY_ANNOUNCE ||
            report?.chatType === CONST.REPORT.CHAT_TYPE.POLICY_EXPENSE_CHAT ||
            report?.chatType === CONST.REPORT.CHAT_TYPE.DOMAIN_ALL ||
            !report?.chatType
        ) {
            // DM chats don't have a chatType
            return false;
        }
    } else if (isPublicAnnounceRoom(report) && isPolicyMember) {
        return false;
    }
    return true;
}

function isCurrentUserTheOnlyParticipant(participantAccountIDs?: number[]): boolean {
    return Boolean(participantAccountIDs?.length === 1 && participantAccountIDs?.[0] === currentUserAccountID);
}

/**
 * Returns display names for those that can see the whisper.
 * However, it returns "you" if the current user is the only one who can see it besides the person that sent it.
 */
function getWhisperDisplayNames(participantAccountIDs?: number[]): string | undefined {
    const isWhisperOnlyVisibleToCurrentUser = isCurrentUserTheOnlyParticipant(participantAccountIDs);

    // When the current user is the only participant, the display name needs to be "you" because that's the only person reading it
    if (isWhisperOnlyVisibleToCurrentUser) {
        return Localize.translateLocal('common.youAfterPreposition');
    }

    return participantAccountIDs?.map((accountID) => getDisplayNameForParticipant(accountID, !isWhisperOnlyVisibleToCurrentUser)).join(', ');
}

/**
 * Show subscript on workspace chats / threads and expense requests
 */
function shouldReportShowSubscript(report: OnyxEntry<Report>): boolean {
    if (isArchivedRoom(report) && !isWorkspaceThread(report)) {
        return false;
    }

    if (isPolicyExpenseChat(report) && !isChatThread(report) && !isTaskReport(report) && !report?.isOwnPolicyExpenseChat) {
        return true;
    }

    if (isPolicyExpenseChat(report) && !isThread(report) && !isTaskReport(report)) {
        return true;
    }

    if (isExpenseRequest(report)) {
        return true;
    }

    if (isWorkspaceTaskReport(report)) {
        return true;
    }

    if (isWorkspaceThread(report)) {
        return true;
    }

    return false;
}

/**
 * Return true if reports data exists
 */
function isReportDataReady(): boolean {
    return !isEmptyObject(allReports) && Object.keys(allReports ?? {}).some((key) => allReports?.[key]?.reportID);
}

/**
 * Return true if reportID from path is valid
 */
function isValidReportIDFromPath(reportIDFromPath: string): boolean {
    return !['', 'null', '0'].includes(reportIDFromPath);
}

/**
 * Return the errors we have when creating a chat or a workspace room
 */
function getAddWorkspaceRoomOrChatReportErrors(report: OnyxEntry<Report>): Record<string, string> | null | undefined {
    // We are either adding a workspace room, or we're creating a chat, it isn't possible for both of these to have errors for the same report at the same time, so
    // simply looking up the first truthy value will get the relevant property if it's set.
    return report?.errorFields?.addWorkspaceRoom ?? report?.errorFields?.createChat;
}

function canUserPerformWriteAction(report: OnyxEntry<Report>) {
    const reportErrors = getAddWorkspaceRoomOrChatReportErrors(report);
    // If the Money Request report is marked for deletion, let us prevent any further write action.
    if (isMoneyRequestReport(report)) {
        const parentReportAction = ReportActionsUtils.getReportAction(report?.parentReportID ?? '', report?.parentReportActionID ?? '');
        if (parentReportAction?.pendingAction === CONST.RED_BRICK_ROAD_PENDING_ACTION.DELETE) {
            return false;
        }
    }
    return !isArchivedRoom(report) && isEmptyObject(reportErrors) && report && isAllowedToComment(report) && !isAnonymousUser;
}

/**
 * Returns ID of the original report from which the given reportAction is first created.
 */
function getOriginalReportID(reportID: string, reportAction: OnyxEntry<ReportAction>): string | undefined {
    const currentReportAction = ReportActionsUtils.getReportAction(reportID, reportAction?.reportActionID ?? '');
    return isThreadFirstChat(reportAction, reportID) && Object.keys(currentReportAction ?? {}).length === 0
        ? allReports?.[`${ONYXKEYS.COLLECTION.REPORT}${reportID}`]?.parentReportID
        : reportID;
}

/**
 * Return the pendingAction and the errors we have when creating a chat or a workspace room offline
 */
function getReportOfflinePendingActionAndErrors(report: OnyxEntry<Report>): ReportOfflinePendingActionAndErrors {
    // We are either adding a workspace room, or we're creating a chat, it isn't possible for both of these to be pending, or to have errors for the same report at the same time, so
    // simply looking up the first truthy value for each case will get the relevant property if it's set.
    const addWorkspaceRoomOrChatPendingAction = report?.pendingFields?.addWorkspaceRoom ?? report?.pendingFields?.createChat;
    const addWorkspaceRoomOrChatErrors = getAddWorkspaceRoomOrChatReportErrors(report);
    return {addWorkspaceRoomOrChatPendingAction, addWorkspaceRoomOrChatErrors};
}

function getPolicyExpenseChatReportIDByOwner(policyOwner: string): string | null {
    const policyWithOwner = Object.values(allPolicies ?? {}).find((policy) => policy?.owner === policyOwner);
    if (!policyWithOwner) {
        return null;
    }

    const expenseChat = Object.values(allReports ?? {}).find((report) => isPolicyExpenseChat(report) && report?.policyID === policyWithOwner.id);
    if (!expenseChat) {
        return null;
    }
    return expenseChat.reportID;
}

/**
 * Check if the report can create the request with type is iouType
 */
function canCreateRequest(report: OnyxEntry<Report>, policy: OnyxEntry<Policy>, iouType: (typeof CONST.IOU.TYPE)[keyof typeof CONST.IOU.TYPE]): boolean {
    const participantAccountIDs = report?.participantAccountIDs ?? [];
    if (!canUserPerformWriteAction(report)) {
        return false;
    }
    return getMoneyRequestOptions(report, policy, participantAccountIDs).includes(iouType);
}

function getWorkspaceChats(policyID: string, accountIDs: number[]): Array<OnyxEntry<Report>> {
    return Object.values(allReports ?? {}).filter((report) => isPolicyExpenseChat(report) && (report?.policyID ?? '') === policyID && accountIDs.includes(report?.ownerAccountID ?? -1));
}

/**
 * @param policy - the workspace the report is on, null if the user isn't a member of the workspace
 */
function shouldDisableRename(report: OnyxEntry<Report>, policy: OnyxEntry<Policy>): boolean {
    if (isDefaultRoom(report) || isArchivedRoom(report) || isThread(report) || isMoneyRequestReport(report) || isPolicyExpenseChat(report)) {
        return true;
    }

    // if the linked workspace is null, that means the person isn't a member of the workspace the report is in
    // which means this has to be a public room we want to disable renaming for
    if (!policy) {
        return true;
    }

    // If there is a linked workspace, that means the user is a member of the workspace the report is in.
    // Still, we only want policy owners and admins to be able to modify the name.
    return !Object.keys(loginList ?? {}).includes(policy.owner) && policy.role !== CONST.POLICY.ROLE.ADMIN;
}

/**
 * @param policy - the workspace the report is on, null if the user isn't a member of the workspace
 */
function canEditWriteCapability(report: OnyxEntry<Report>, policy: OnyxEntry<Policy>): boolean {
    return PolicyUtils.isPolicyAdmin(policy) && !isAdminRoom(report) && !isArchivedRoom(report) && !isThread(report);
}

/**
 * Returns the onyx data needed for the task assignee chat
 */
function getTaskAssigneeChatOnyxData(
    accountID: number,
    assigneeAccountID: number,
    taskReportID: string,
    assigneeChatReportID: string,
    parentReportID: string,
    title: string,
    assigneeChatReport: OnyxEntry<Report>,
): OnyxDataTaskAssigneeChat {
    // Set if we need to add a comment to the assignee chat notifying them that they have been assigned a task
    let optimisticAssigneeAddComment: OptimisticReportAction | undefined;
    // Set if this is a new chat that needs to be created for the assignee
    let optimisticChatCreatedReportAction: OptimisticCreatedReportAction | undefined;
    const currentTime = DateUtils.getDBTime();
    const optimisticData: OnyxUpdate[] = [];
    const successData: OnyxUpdate[] = [];
    const failureData: OnyxUpdate[] = [];

    // You're able to assign a task to someone you haven't chatted with before - so we need to optimistically create the chat and the chat reportActions
    // Only add the assignee chat report to onyx if we haven't already set it optimistically
    if (assigneeChatReport?.isOptimisticReport && assigneeChatReport.pendingFields?.createChat !== CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD) {
        optimisticChatCreatedReportAction = buildOptimisticCreatedReportAction(assigneeChatReportID);
        optimisticData.push(
            {
                onyxMethod: Onyx.METHOD.MERGE,
                key: `${ONYXKEYS.COLLECTION.REPORT}${assigneeChatReportID}`,
                value: {
                    pendingFields: {
                        createChat: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD,
                    },
                    isHidden: false,
                },
            },
            {
                onyxMethod: Onyx.METHOD.MERGE,
                key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${assigneeChatReportID}`,
                value: {[optimisticChatCreatedReportAction.reportActionID]: optimisticChatCreatedReportAction as Partial<ReportAction>},
            },
        );

        successData.push({
            onyxMethod: Onyx.METHOD.MERGE,
            key: `${ONYXKEYS.COLLECTION.REPORT}${assigneeChatReportID}`,
            value: {
                pendingFields: {
                    createChat: null,
                },
                isOptimisticReport: false,
            },
        });

        failureData.push(
            {
                onyxMethod: Onyx.METHOD.SET,
                key: `${ONYXKEYS.COLLECTION.REPORT}${assigneeChatReportID}`,
                value: null,
            },
            {
                onyxMethod: Onyx.METHOD.MERGE,
                key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${assigneeChatReportID}`,
                value: {[optimisticChatCreatedReportAction.reportActionID]: {pendingAction: null}},
            },
            // If we failed, we want to remove the optimistic personal details as it was likely due to an invalid login
            {
                onyxMethod: Onyx.METHOD.MERGE,
                key: ONYXKEYS.PERSONAL_DETAILS_LIST,
                value: {
                    [assigneeAccountID]: null,
                },
            },
        );
    }

    // If you're choosing to share the task in the same DM as the assignee then we don't need to create another reportAction indicating that you've been assigned
    if (assigneeChatReportID !== parentReportID) {
        // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
        const displayname = allPersonalDetails?.[assigneeAccountID]?.displayName || allPersonalDetails?.[assigneeAccountID]?.login || '';
        optimisticAssigneeAddComment = buildOptimisticTaskCommentReportAction(taskReportID, title, assigneeAccountID, `assigned to ${displayname}`, parentReportID);
        const lastAssigneeCommentText = formatReportLastMessageText(optimisticAssigneeAddComment.reportAction.message?.[0].text ?? '');
        const optimisticAssigneeReport = {
            lastVisibleActionCreated: currentTime,
            lastMessageText: lastAssigneeCommentText,
            lastActorAccountID: accountID,
            lastReadTime: currentTime,
        };

        optimisticData.push(
            {
                onyxMethod: Onyx.METHOD.MERGE,
                key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${assigneeChatReportID}`,
                value: {[optimisticAssigneeAddComment.reportAction.reportActionID ?? '']: optimisticAssigneeAddComment.reportAction},
            },
            {
                onyxMethod: Onyx.METHOD.MERGE,
                key: `${ONYXKEYS.COLLECTION.REPORT}${assigneeChatReportID}`,
                value: optimisticAssigneeReport,
            },
        );
        successData.push({
            onyxMethod: Onyx.METHOD.MERGE,
            key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${assigneeChatReportID}`,
            value: {[optimisticAssigneeAddComment.reportAction.reportActionID ?? '']: {isOptimisticAction: null}},
        });
        failureData.push({
            onyxMethod: Onyx.METHOD.MERGE,
            key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${assigneeChatReportID}`,
            value: {[optimisticAssigneeAddComment.reportAction.reportActionID ?? '']: {pendingAction: null}},
        });
    }

    return {
        optimisticData,
        successData,
        failureData,
        optimisticAssigneeAddComment,
        optimisticChatCreatedReportAction,
    };
}

/**
 * Returns an array of the participants Ids of a report
 *
 * @deprecated Use getVisibleMemberIDs instead
 */
function getParticipantsIDs(report: OnyxEntry<Report>): number[] {
    if (!report) {
        return [];
    }

    const participants = report.participantAccountIDs ?? [];

    // Build participants list for IOU/expense reports
    if (isMoneyRequestReport(report)) {
        const onlyTruthyValues = [report.managerID, report.ownerAccountID, ...participants].filter(Boolean) as number[];
        const onlyUnique = [...new Set([...onlyTruthyValues])];
        return onlyUnique;
    }
    return participants;
}

/**
 * Returns an array of the visible member accountIDs for a report*
 */
function getVisibleMemberIDs(report: OnyxEntry<Report>): number[] {
    if (!report) {
        return [];
    }

    const visibleChatMemberAccountIDs = report.visibleChatMemberAccountIDs ?? [];

    // Build participants list for IOU/expense reports
    if (isMoneyRequestReport(report)) {
        const onlyTruthyValues = [report.managerID, report.ownerAccountID, ...visibleChatMemberAccountIDs].filter(Boolean) as number[];
        const onlyUnique = [...new Set([...onlyTruthyValues])];
        return onlyUnique;
    }
    return visibleChatMemberAccountIDs;
}

/**
 * Return iou report action display message
 */
function getIOUReportActionDisplayMessage(reportAction: OnyxEntry<ReportAction>): string {
    if (reportAction?.actionName !== CONST.REPORT.ACTIONS.TYPE.IOU) {
        return '';
    }
    const originalMessage = reportAction.originalMessage;
    const {IOUReportID} = originalMessage;
    const iouReport = getReport(IOUReportID);
    let translationKey: TranslationPaths;
    if (originalMessage.type === CONST.IOU.REPORT_ACTION_TYPE.PAY) {
        // The `REPORT_ACTION_TYPE.PAY` action type is used for both fulfilling existing requests and sending money. To
        // differentiate between these two scenarios, we check if the `originalMessage` contains the `IOUDetails`
        // property. If it does, it indicates that this is a 'Send money' action.
        const {amount, currency} = originalMessage.IOUDetails ?? originalMessage;
        const formattedAmount = CurrencyUtils.convertToDisplayString(amount, currency) ?? '';
        const payerName = isExpenseReport(iouReport) ? getPolicyName(iouReport) : getDisplayNameForParticipant(iouReport?.managerID, true);

        // If the payment was cancelled, show the "Owes" message
        if (!isSettled(IOUReportID)) {
            translationKey = 'iou.payerOwesAmount';
        } else {
            switch (originalMessage.paymentType) {
                case CONST.IOU.PAYMENT_TYPE.ELSEWHERE:
                    translationKey = 'iou.paidElsewhereWithAmount';
                    break;
                case CONST.IOU.PAYMENT_TYPE.EXPENSIFY:
                case CONST.IOU.PAYMENT_TYPE.VBBA:
                    translationKey = 'iou.paidWithExpensifyWithAmount';
                    break;
                default:
                    translationKey = 'iou.payerPaidAmount';
                    break;
            }
        }
        return Localize.translateLocal(translationKey, {amount: formattedAmount, payer: payerName ?? ''});
    }

    const transaction = TransactionUtils.getTransaction(originalMessage.IOUTransactionID ?? '');
    const transactionDetails = getTransactionDetails(isNotEmptyObject(transaction) ? transaction : null);
    const formattedAmount = CurrencyUtils.convertToDisplayString(transactionDetails?.amount ?? 0, transactionDetails?.currency);
    const isRequestSettled = isSettled(originalMessage.IOUReportID);
    const isApproved = isReportApproved(iouReport);
    if (isRequestSettled) {
        return Localize.translateLocal('iou.payerSettled', {
            amount: formattedAmount,
        });
    }
    if (isApproved) {
        return Localize.translateLocal('iou.approvedAmount', {
            amount: formattedAmount,
        });
    }
    translationKey = ReportActionsUtils.isSplitBillAction(reportAction) ? 'iou.didSplitAmount' : 'iou.requestedAmount';
    return Localize.translateLocal(translationKey, {
        formattedAmount,
        comment: transactionDetails?.comment ?? '',
    });
}

/**
 * Checks if a report is a group chat.
 *
 * A report is a group chat if it meets the following conditions:
 * - Not a chat thread.
 * - Not a task report.
 * - Not a money request / IOU report.
 * - Not an archived room.
 * - Not a public / admin / announce chat room (chat type doesn't match any of the specified types).
 * - More than 2 participants.
 *
 */
function isGroupChat(report: OnyxEntry<Report>): boolean {
    return Boolean(
        report &&
            !isChatThread(report) &&
            !isTaskReport(report) &&
            !isMoneyRequestReport(report) &&
            !isArchivedRoom(report) &&
            !Object.values(CONST.REPORT.CHAT_TYPE).some((chatType) => chatType === getChatType(report)) &&
            (report.participantAccountIDs?.length ?? 0) > 2,
    );
}

function shouldUseFullTitleToDisplay(report: OnyxEntry<Report>): boolean {
    return isMoneyRequestReport(report) || isPolicyExpenseChat(report) || isChatRoom(report) || isChatThread(report) || isTaskReport(report);
}

function getRoom(type: ValueOf<typeof CONST.REPORT.CHAT_TYPE>, policyID: string): OnyxEntry<Report> | undefined {
    const room = Object.values(allReports ?? {}).find((report) => report?.policyID === policyID && report?.chatType === type && !isThread(report));
    return room;
}

/**
 *  We only want policy owners and admins to be able to modify the welcome message, but not in thread chat.
 */
function shouldDisableWelcomeMessage(report: OnyxEntry<Report>, policy: OnyxEntry<Policy>): boolean {
    return isMoneyRequestReport(report) || isArchivedRoom(report) || !isChatRoom(report) || isChatThread(report) || !PolicyUtils.isPolicyAdmin(policy);
}
/**
 * Checks if report action has error when smart scanning
 */
function hasSmartscanError(reportActions: ReportAction[]) {
    return reportActions.some((action) => {
        if (!ReportActionsUtils.isSplitBillAction(action) && !ReportActionsUtils.isReportPreviewAction(action)) {
            return false;
        }
        const IOUReportID = ReportActionsUtils.getIOUReportIDFromReportActionPreview(action);
        const isReportPreviewError = ReportActionsUtils.isReportPreviewAction(action) && hasMissingSmartscanFields(IOUReportID) && !isSettled(IOUReportID);
        const transactionID = (action.originalMessage as IOUMessage).IOUTransactionID ?? '0';
        const transaction = allTransactions?.[`${ONYXKEYS.COLLECTION.TRANSACTION}${transactionID}`] ?? {};
        const isSplitBillError = ReportActionsUtils.isSplitBillAction(action) && TransactionUtils.hasMissingSmartscanFields(transaction as Transaction);

        return isReportPreviewError || isSplitBillError;
    });
}

function shouldAutoFocusOnKeyPress(event: KeyboardEvent): boolean {
    if (event.key.length > 1) {
        return false;
    }

    // If a key is pressed in combination with Meta, Control or Alt do not focus
    if (event.ctrlKey || event.metaKey) {
        return false;
    }

    if (event.code === 'Space') {
        return false;
    }

    return true;
}

/**
 * Navigates to the appropriate screen based on the presence of a private note for the current user.
 */
function navigateToPrivateNotes(report: Report, session: Session) {
    if (isEmpty(report) || isEmpty(session) || !session.accountID) {
        return;
    }
    const currentUserPrivateNote = report.privateNotes?.[session.accountID]?.note ?? '';
    if (isEmpty(currentUserPrivateNote)) {
        Navigation.navigate(ROUTES.PRIVATE_NOTES_EDIT.getRoute(report.reportID, session.accountID));
        return;
    }
    Navigation.navigate(ROUTES.PRIVATE_NOTES_LIST.getRoute(report.reportID));
}

/**
 * Checks if thread replies should be displayed
 */
function shouldDisplayThreadReplies(reportAction: ReportAction, reportID: string): boolean {
    const hasReplies = (reportAction.childVisibleActionCount ?? 0) > 0;
    return hasReplies && !!reportAction.childCommenterCount && !isThreadFirstChat(reportAction, reportID);
}

/**
 * Disable reply in thread action if:
 *
 * - The action is listed in the thread-disabled list
 * - The action is a split bill action
 * - The action is deleted and is not threaded
 * - The action is a whisper action and it's neither a report preview nor IOU action
 * - The action is the thread's first chat
 */
function shouldDisableThread(reportAction: ReportAction, reportID: string) {
    const isSplitBillAction = ReportActionsUtils.isSplitBillAction(reportAction);
    const isDeletedAction = ReportActionsUtils.isDeletedAction(reportAction);
    const isReportPreviewAction = ReportActionsUtils.isReportPreviewAction(reportAction);
    const isIOUAction = ReportActionsUtils.isMoneyRequestAction(reportAction);
    const isWhisperAction = ReportActionsUtils.isWhisperAction(reportAction);

    return (
        CONST.REPORT.ACTIONS.THREAD_DISABLED.some((action: string) => action === reportAction.actionName) ||
        isSplitBillAction ||
        (isDeletedAction && !reportAction.childVisibleActionCount) ||
        (isWhisperAction && !isReportPreviewAction && !isIOUAction) ||
        isThreadFirstChat(reportAction, reportID)
    );
}

export {
    getReportParticipantsTitle,
    isReportMessageAttachment,
    findLastAccessedReport,
    canEditReportAction,
    canFlagReportAction,
    shouldShowFlagComment,
    isActionCreator,
    canDeleteReportAction,
    canLeaveRoom,
    sortReportsByLastRead,
    isDefaultRoom,
    isAdminRoom,
    isAdminsOnlyPostingRoom,
    isAnnounceRoom,
    isUserCreatedPolicyRoom,
    isChatRoom,
    getChatRoomSubtitle,
    getParentNavigationSubtitle,
    getPolicyName,
    getPolicyType,
    isArchivedRoom,
    isExpensifyOnlyParticipantInReport,
    canCreateTaskInReport,
    isPolicyExpenseChatAdmin,
    isPolicyAdmin,
    isPublicRoom,
    isPublicAnnounceRoom,
    isConciergeChatReport,
    isProcessingReport,
    isCurrentUserTheOnlyParticipant,
    hasAutomatedExpensifyAccountIDs,
    hasExpensifyGuidesEmails,
    requiresAttentionFromCurrentUser,
    isIOUOwnedByCurrentUser,
    getMoneyRequestReimbursableTotal,
    getMoneyRequestSpendBreakdown,
    canShowReportRecipientLocalTime,
    formatReportLastMessageText,
    chatIncludesConcierge,
    isPolicyExpenseChat,
    isGroupPolicy,
    isPaidGroupPolicy,
    isControlPolicyExpenseChat,
    isControlPolicyExpenseReport,
    isPaidGroupPolicyExpenseChat,
    isPaidGroupPolicyExpenseReport,
    getIconsForParticipants,
    getIcons,
    getRoomWelcomeMessage,
    getDisplayNamesWithTooltips,
    getReportName,
    getReport,
    getReportNotificationPreference,
    getReportIDFromLink,
    getReportPolicyID,
    getRouteFromLink,
    getDeletedParentActionMessageForChatReport,
    getLastVisibleMessage,
    navigateToDetailsPage,
    generateReportID,
    hasReportNameError,
    isUnread,
    isUnreadWithMention,
    buildOptimisticWorkspaceChats,
    buildOptimisticTaskReport,
    buildOptimisticChatReport,
    buildOptimisticClosedReportAction,
    buildOptimisticCreatedReportAction,
    buildOptimisticEditedTaskReportAction,
    buildOptimisticIOUReport,
    buildOptimisticApprovedReportAction,
    buildOptimisticMovedReportAction,
    buildOptimisticSubmittedReportAction,
    buildOptimisticExpenseReport,
    buildOptimisticIOUReportAction,
    buildOptimisticReportPreview,
    buildOptimisticModifiedExpenseReportAction,
    buildOptimisticCancelPaymentReportAction,
    updateReportPreview,
    buildOptimisticTaskReportAction,
    buildOptimisticAddCommentReportAction,
    buildOptimisticTaskCommentReportAction,
    updateOptimisticParentReportAction,
    getOptimisticDataForParentReportAction,
    shouldReportBeInOptionList,
    getChatByParticipants,
    getChatByParticipantsAndPolicy,
    getAllPolicyReports,
    getIOUReportActionMessage,
    getDisplayNameForParticipant,
    getWorkspaceIcon,
    isOptimisticPersonalDetail,
    shouldDisableDetailPage,
    isChatReport,
    isCurrentUserSubmitter,
    isExpenseReport,
    isExpenseRequest,
    isIOUReport,
    isTaskReport,
    isOpenTaskReport,
    isCanceledTaskReport,
    isCompletedTaskReport,
    isReportManager,
    isReportApproved,
    isMoneyRequestReport,
    isMoneyRequest,
    chatIncludesChronos,
    getNewMarkerReportActionID,
    canSeeDefaultRoom,
    getDefaultWorkspaceAvatar,
    getDefaultWorkspaceAvatarTestID,
    getCommentLength,
    getParsedComment,
    getMoneyRequestOptions,
    canCreateRequest,
    hasIOUWaitingOnCurrentUserBankAccount,
    canRequestMoney,
    getWhisperDisplayNames,
    getWorkspaceAvatar,
    isThread,
    isChatThread,
    isThreadFirstChat,
    isChildReport,
    shouldReportShowSubscript,
    isReportDataReady,
    isValidReportIDFromPath,
    isSettled,
    isAllowedToComment,
    getBankAccountRoute,
    getParentReport,
    getRootParentReport,
    getReportPreviewMessage,
    canUserPerformWriteAction,
    getOriginalReportID,
    canAccessReport,
    getAddWorkspaceRoomOrChatReportErrors,
    getReportOfflinePendingActionAndErrors,
    isDM,
    getPolicy,
    getPolicyExpenseChatReportIDByOwner,
    getWorkspaceChats,
    shouldDisableRename,
    hasSingleParticipant,
    getReportRecipientAccountIDs,
    isOneOnOneChat,
    goBackToDetailsPage,
    getTransactionReportName,
    getTransactionDetails,
    getTaskAssigneeChatOnyxData,
    getParticipantsIDs,
    getVisibleMemberIDs,
    canEditMoneyRequest,
    canEditFieldOfMoneyRequest,
    buildTransactionThread,
    areAllRequestsBeingSmartScanned,
    getTransactionsWithReceipts,
    hasOnlyDistanceRequestTransactions,
    hasNonReimbursableTransactions,
    hasMissingSmartscanFields,
    getIOUReportActionDisplayMessage,
    isWaitingForAssigneeToCompleteTask,
    isGroupChat,
    isDraftExpenseReport,
    shouldUseFullTitleToDisplay,
    parseReportRouteParams,
    getReimbursementQueuedActionMessage,
    getReimbursementDeQueuedActionMessage,
    getPersonalDetailsForAccountID,
    getRoom,
    shouldDisableWelcomeMessage,
    navigateToPrivateNotes,
    canEditWriteCapability,
    hasSmartscanError,
    shouldAutoFocusOnKeyPress,
    shouldDisplayThreadReplies,
    shouldDisableThread,
};

export type {ExpenseOriginalMessage, OptionData, OptimisticChatReport, OptimisticCreatedReportAction};