const express = require('express');
const http = require('http');
const socketIo = require('socket.io');

const app = express();
const server = http.createServer(app);
const io = socketIo(server);

// Serve static files (HTML, JS)
app.use(express.static(__dirname));

// Socket.io connection
io.on('connection', (socket) => {
    console.log('A user connected');
    
    socket.on('joinRoom', (data) => {
        socket.join(data.room); // Join the room
    });

    // Handle offer
    socket.on('offer', (offer) => {
        socket.to('voice-room').emit('offer', offer); // Send the offer to the other user in the room
    });

    // Handle answer
    socket.on('answer', (answer) => {
        socket.to('voice-room').emit('answer', answer); // Send answer to the other user
    });

    // Handle ICE candidates
    socket.on('iceCandidate', (candidate) => {
        socket.to('voice-room').emit('iceCandidate', candidate); // Forward ICE candidate to the other user
    });

    // Handle disconnect
    socket.on('disconnect', () => {
        console.log('A user disconnected');
    });
});

// Start the server on port 3000
server.listen(3000, () => {
    console.log('Server is running on http://localhost:3000');
});