bingo.js

var socketio = require('socket.io-client');

var client = socketio.connect('ws://yahoobingo.herokuapp.com');

client.on('connect', function(){
  console.log("Connected...");

  var card = {};
  var results = {
    "B": [ 
      0, 
      0, 
      0, 
      0, 
      0
    ],
    "I": [ 
      0, 
      0, 
      0, 
      0, 
      0
    ],
    "N": [ 
      0, 
      0, 
      0, 
      0, 
      0
    ],
    "G": [ 
      0, 
      0, 
      0, 
      0, 
      0
    ],
    "O": [ 
      0, 
      0, 
      0, 
      0, 
      0
    ]       
  };

  client.emit('register', {
    name: 'Jose Luis Rivas',
    email: 'me@ghostbar.co',
    url: 'https://gits.github.com'
  });

  client.on('card', function(payload){
    console.log(payload);
    card = payload.slots;
  });

  function sayBingo(){
    console.log(card, results);
    console.log("bingo!");
    client.emit("bingo");
  };

  client.on('number', function(number){
    var slot = number[0],
        nr = parseInt(number.substring(1)),
        position = card[slot].indexOf(nr);

    if (position>=0){
      results[slot][position] = nr;
      console.log(slot, nr, "+");
      console.log(results);
    } else {
      console.log(slot, nr, "-");
      console.log(results);
    }

    Object.keys(results).forEach(function(key){
      if(results[key][0] && results[key][1] && results[key][2] && results[key][3] && results[key][4]) 
        sayBingo();
    });

    for(var i = 0; i < 5; i++){
      if(results.B[i] && results.I[i] && results.N[i] && results.G[i] && results.O[i]) 
        sayBingo();
    }
    if(results.B[0] && results.I[1] && results.N[2] && results.G[3] && results.O[4]) 
      sayBingo();

    if(results.B[4] && results.I[3] && results.N[2] && results.G[1] && results.O[0]) 
      sayBingo();
  });

  client.on('win', function (){
    console.log("Won!");
    console.log(card);
    console.log(results);
  });

  client.on('lose', function () {
    console.log("Lose!");
    console.log(card);
    console.log(results);
  });

  client.on('disconnect', function () {
    console.log("Disconected");
  });
});