const express = require('express');
const app = express();
const http = require('http');
const server = http.createServer(app);
const { Server } = require("socket.io");
const io = new Server(server);

app.use(express.static('public'));

io.on('connection', (socket) => {
	console.log('a user connected');
	
	socket.on('draw', (line) => {
		console.log(line);
		socket.broadcast.emit("draw",line);
	});
	
	socket.on('disconnect', () => {
		console.log('user disconnected');
	});
});

server.listen(3000, () => {
	console.log('listening on *:3000');
});