server.js

if (process.env.NODE_ENV !== 'production') {
	require('dotenv').config()
}

const express = require('express')
const app = express()
const bcrypt = require('bcrypt')
const passport = require('passport')
const flash = require('express-flash')
const session = require('express-session')
const methodOverride = require('method-override')

const initializePassport = require('./passport-config')

initializePassport(
passport,
email => users.find(user => user.email === email),
id => users.find(user => user.id === id)
)

const users =  []

app.set('view-engine', 'ejs')
app.use(express.urlencoded({ extended: false }))
app.use(flash())
app.use(session({
	secret: process.env.SESSION_SECRET,
	resave: false,
	saveUninitialized: false
}))

app.use(passport.initialize())
app.use(passport.session())
app.use(methodOverride('_method'))

//route to index file
app.get('/', checkAuthenticated, (req, res) => {
	res.render('index.ejs', { name: req.user.name})
})

//route to login file
app.get('/login', checkNotAuthenticated, (req, res) => {
	res.render('login.ejs')
})

app.post('/login', checkNotAuthenticated, passport.authenticate('local', {
	successRedirect: '/',
	failureRedirect: '/login',
	failureFlash: true
}))

// route to register file
app.get('/register', checkNotAuthenticated, (req, res) => {
	res.render('register.ejs')
})

app.post('/register', checkNotAuthenticated, async (req,res) => {
	try{
		const hashedPassword = await bcrypt.hash(req.body.password, 10)
		users.push({
			id: Date.now().toString(),
			name: req.body.name,
			email: req.body.email,
			password: hashedPassword
})
	res.redirect('/login')
} catch {
	res.redirect('/register')
}
	console.log(users)
})

app.delete('/logout', (req, res) => {
req.logOut()
res.redirect('/login')
})

function checkAuthenticated(req, res, next){
	if (req.isAuthenticated()) {
		return next()
	}

	res.redirect('/login')
}

function checkNotAuthenticated(req, res, next){
	if (req.isAuthenticated()) {
	return res.redirect('/')
}
next()
}

app.listen(3333)