libsay

#!/bin/bash
#
# FlightGear Installer
# libsay
# Library that adds the command "say" to print nice looking messages.
#
# Author:       Megaf - https://github.com/Megaf - mmegaf [at] gmail [dot] com
# Date:         03/09/2022
# GitHub:       https://github.com/Megaf/FlightGear-Installer
# License:      GPL V3

c_error()
{
    tput smul
    tput setab 0
    tput setaf 1
    tput rmul
}

c_info()
{
    tput setab 0
    tput setaf 2
}

c_warning()
{
    tput smul
    tput smso
    tput setab 0
    tput setaf 3
    tput rmso
    tput rmul
}

c_debug()
{
    tput setab 0
    tput setaf 6
}


print_message()
{
    tput sgr0
    tput bold
    [[ "$message" == "ERROR:"* ]] || [[ "$message" == "ERR:"* ]] && c_error
    [[ "$message" == "INFO:"* ]] && c_info
    [[ "$message" == "WARN:"* ]] || [[ "$message" == "WARNING:"* ]] && c_warning
    [[ "$message" == "DEBUG:"* ]] && c_debug
    printf "$message"
    tput sgr0
}

say ()
{
    message="$*"
    if [[ ! "$debug" == "true" ]] && [[ ! "$message" == "DEBUG:"* ]] 
    then
        say_function
    elif [[ "$debug" == "true" ]]
    then
        say_function
    fi
}

say_function ()
{
    local length=$(expr length "$message")
    
    local spacesize="4"
    local linesize=$(expr $spacesize + $length + $spacesize)
    
    tput sgr0
    printf "╔"; printf "%0.s═" $(seq 1 $linesize); printf "╗\n"
    printf "║"; printf "%0.s " $(seq 1 $spacesize); print_message; printf "%0.s " $(seq 1 $spacesize); printf "║\n"
    printf "╚"; printf "%0.s═" $(seq 1 $linesize); printf "╝\n"
    tput sgr0
    
    unset $* message length spacesize linesize
}