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

app.get('/ping', function(req, res){
  res.send('pong');
});

io.on('connection', function(socket){
  console.log("Client connected...");
  socket.on('serverMessage', function(data) {
    console.log("Incomming message", data);

    // sending to all clients except sender
    socket.broadcast.emit('clientMessage', data);
  })
});

http.listen(1337, function(){
  console.log('listening on *:1337');
});