//let app = require('express')();
let http = require('http').Server(app);
let io = require('socket.io')(http);

//app.get("/", function (req, res) {
//	console.log("req.headers: ");
//	console.log(req.headers);
//	res.sendFile(__dirname + '/index.html');
//})

io.on('connection', function (socket) {

	console.log('a user is connected');

	socket.on('disconnect', function () {
		console.log('a user is disconnected');
	})

	socket.on('chat_message', function (msg) {
		console.log('message received: ' + msg);
		io.emit('chat_message', msg);
	})

});

http.listen(3000, function () {
	console.log('server running on 3000');
})