trylight.js

var gpio = require("gpio");
var socket = require('socket.io-client')('https://fbchatbot1.appspot.com');
//var socket = require('socket.io-client')('http://localhost:3000');


var turnLightOn = function(pinNumber){
    gpioPin = gpio.export(pinNumber,{
            ready: function(){
              gpioPin.set();
              setTimeout(function() {
                gpioPin.reset();
              }, 1000 );
            }
    });
  }

socket.on('connect', function(){
	console.log("connect emitted from server");
});

socket.on('fb-message', function(data){

  var msg = "";
  try{
    msg = JSON.parse(data).text;
  }catch(err){
    msg = data.text;
  }

	console.log(msg);

	if(msg.indexOf('green') > -1){
		turnLightOn(18);
	}

	if(msg.indexOf('red') > -1){
		turnLightOn(16);
	}
});
socket.on('disconnect', function(){
	console.log("disconnected!");
});