var mqtt = require('mqtt');
var request = require('request');
var util = require('util');
var logger = require('log4js').getLogger();

var EventEmitter = require('events');

var nano = require('nano')('http://martind2000:1V3D4m526i@localhost:5984');
//var nano = require('nano')('http://localhost:5984');
var busEmitter = new EventEmitter();

var db_name = 'mqtt';
var dbCouch = nano.use(db_name);



function insertEntry(obj) {
  logger.debug('Inserting into couch...');
  logger.info(util.inspect(obj));
  dbCouch.insert(obj, function(err, body, header) {
    if (err) {
      logger.error('Error inserting into couch');
      return;
    }
  });
  logger.debug('Insert done..');
}

var doInsertEntry = (obj) => {
  //   Logger.info('sendSocket: ' + JSON.stringify(obj));
  insertEntry(obj);
};




var mqttClient = function() {

    var orgId = '';
    var userName = '';
    var appKey = 'bob';
    this.livingRoom = {
      temp: 0,
      last: 0
    };


    this.fanTimer = function() {
      'use strict';
      var now = new Date;
      var mod = 300000 - (now.getTime() % 300000);

      var mode = (this.livingRoom.temp > 22.0) ? 'FanOn' : 'FanOff';
      var url = ['https://maker.ifttt.com/trigger/',mode,'/with/key/cWvECkeiyAPwmiOPBkXL2D'].join('');


      logger.info('LR temp:', this.livingRoom.temp);

      request(url, function(error, response, body) {
                if (!error && response.statusCode === 200) {
                  console.log(body);
                }
              });


      setTimeout(this.fanTimer.bind(this),mod + 10);
    };

    this.lighting = 'lights';

    this.connected = false;

    var options = {
        keepalive: 3600,
        clientId: 'a:' + orgId + ':' + Date.now(),
        username: userName,
        password: new Buffer(appKey)

      };

    this.client = mqtt.connect('mqtt://' + orgId + 'silvrtree.co.uk', options);

    this.client.on('connect', function() {
        connected = true;
        logger.info('Connected to SIlvr Broker');
        this.fanTimer();
      }.bind(this));

    this.client.subscribe('livingroomTemp');
    this.client.on('message', function(topic, message) {

      var json = JSON.parse(message.toString());
      logger.debug(json);
      logger.debug(json.temp);

      this.livingRoom.temp = json.temp;

      busEmitter.emit('saveData', json);

    }.bind(this));

    this.isConnected = function() {
        return this.connected;
      };



    busEmitter.on('saveData', doInsertEntry);


  };

/*
Client = mqtt.connect();

client.subscribe('presence');
client.on('message', function(topic, message) {
  console.log(message);
});


 */



mqttClient.prototype.lightsIn = function() {

    var destinationName = 'lightsIn';
    this.client.publish(destinationName, '0');
    var destinationName = 'lightsIn';
    this.client.publish(destinationName, '1');
  };

mqttClient.prototype.lightsOut = function() {

    var destinationName = 'lightsOut';
    this.client.publish(destinationName, 'f');
    destinationName = 'lightsOut';
    this.client.publish(destinationName, 'g');
  };

module.exports.mqttClient = mqttClient;