server.js

const path = require('path');
const express = require('express');
const session = require('express-session');//package to create session and set cookies
const routes = require('./controllers');
const exphbs = require('express-handlebars');
const SequelizeStore = require('connect-session-sequelize')(session.Store);
const sequelize = require('./config/connection');// import sequelize connection
const helpers = require('./utils/helper');
const hbs = exphbs.create({helpers});
const app = express();
const PORT = process.env.PORT || 3001;


// Set up sessions with cookies
const sess = {
  secret: 'Super secret secret',
  
  cookie: {
    httpOnly: true,
    secure: false,
    sameSite: false,
    maxAge: 24 * 60 * 60 * 1000, // expires after 1 day
  },
  resave: false, 
  saveUninitialized: false, 


  //when we create new session it will be stored in db
  store: new SequelizeStore({
    db: sequelize,
    checkExpirationInterval: 15 * 60 * 1000,
    expiration: 24 * 60 * 60 * 1000
  }),
};

app.engine('handlebars',hbs.engine);
app.set('view engine','handlebars');
//initialize middleware and passing session var, each time user creates request to our application we will call this middleware
app.use(session(sess));


app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(express.static(path.join(__dirname,'public')))

app.use(routes);

// sync sequelize models to the database, then turn on the server
// turn activate the connection to the DB and local host port server// 
sequelize.sync({ force: false }).then(() => {
    app.listen(PORT, () =>
      console.log(
        `\nServer running on port ${PORT}. Visit http://localhost:${PORT} and create an account!`
      )
    );
  });