server.js

const express = require('express');
const app = express();
const server = require('http').Server(app);
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.get('/', (req, res) => {
  res.redirect(`/${uuidv4()}`);
});

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

io.on('connection', (socket) => {
  socket.on('newUser', (roomId) => {
    socket.join(roomId);
    socket.to(roomId).broadcast.emit('userJoined', socket.id);

    socket.on('disconnect', () => {
      socket.to(roomId).broadcast.emit('userDisconnect', socket.id);
    });
  });
});

app.use('/peerjs', peerServer);

server.listen(process.env.PORT || 3000, () => {
  console.log('Server running on port:', server.address().port);
});