server.js

const express = require('express');
const app = express();
const server = require('http').Server(app);
const port = process.env.PORT||3030;
const io = require('socket.io')(server);
const {v4: uuidv4} = require('uuid');
const { ExpressPeerServer} = require('peer');
const peerServer = ExpressPeerServer(server,{debug: true});

app.set('view engine', 'ejs');
app.use(express.static('public'));


app.use('/peerjs', peerServer);
app.get('/', (req,res) => {
    res.redirect(`/${uuidv4()}`);
})

app.get('/:room', (req,res) => {
    res.render('room', { roomId: req.params.room });
})

io.on('connection', socket => {
    socket.on('join-room', (roomId, userId) => {
        socket.join(roomId);
        socket.to(roomId).emit('user-connected', userId);
        socket.on('message', message => {
            io.to(roomId).emit('createMessage', message);
        })


    })
})



server.listen(port,() => console.log('Server listening on port',port));