index.js

const express = require('express')
const { createServer } = require('node:http');
const { join } = require('node:path');
const { Server } = require('socket.io'); const app = express();
const server = createServer(app);

const io = new Server(server);
app.use(express.urlencoded({ extended: false }))
app.use('/asset', express.static('public'))

let tab_users = [];
let tab_users_connected = [];
let tab_messages = [];

//Regsiter page
app.get('/register', (request, response) => {
    response.sendFile(__dirname + '/register.html')
})

//Done Regsiter
app.post('/done_register', (request, response) => {
    tab_users.push(request.body)
    response.sendFile(__dirname + '/login.html')
})

//Regsiter page
app.get('/login', (request, response) => {
    response.sendFile(__dirname + '/login.html')
})

//Make connexion
app.post('/connect', (request, response) => {
    console.log(tab_users);

    const user = tab_users.find((user) => (user['username'] === request.body.username && user['pwd'] === request.body.pwd));

    console.log(user);

    if (user) {
        tab_users_connected.push(user)
        console.log(tab_users_connected);
        response.json(user);
    }
    else {
        response.json(null);
    }


})

//chat pah
app.get('/chat', (request, response) => {
    response.sendFile(__dirname + '/chat_app.html')
})


io.on('connection', (socket) => {
    //
    socket.on('get_users', (message) => {
        console.log(message)
        // la list des users
        io.emit('users', tab_users, tab_users_connected);
        io.emit('all_messages', tab_messages);
    })

    socket.on('message', (message, username) => {
        tab_messages.push([message, username, Date.now()])

        io.emit('all_messages', tab_messages);
    })

    socket.on('logout', (username) => {
        const user_index = tab_users_connected.findIndex((user) => (user['username'] === username));
        tab_users_connected.splice(user_index, 1);

        io.emit('logout_ok', username);
    })



}); 

// app.get('/', (req, res) => {
//     res.sendFile(join(__dirname, 'index.html'));
//   });app.get('/about', (request, response) => {
//     response.sendFile(__dirname+'/about.html')
// })
// app.get('/contact', (request, response) => {
//     response.sendFile(__dirname+'/contact.html')
// })
// app.get('/api', (request, response) => {
//     response.json({nom:'Paul', age:18})
// })
// app.post('/save', (req, res) => {
//     console.log(req.body.email) 
//     res.send('Message envoyé')
// })



server.listen(4000)