var amazonHelper = require ('./helpers/amazon');
var databaseHelper = require ('./helpers/database');
const config = require ('./config/config');
const constants = require ('./config/constants');
require ('isomorphic-fetch');
var express = require ('express');
//var alexa = require('./components/alexa');


var MongoClient = require ('mongodb').MongoClient;
var ObjectID = require ('mongodb').ObjectID;

const router = express.Router ();
var app = express ();

// ALWAYS setup the alexa app and attach it to express before anything else.
//alexa.init (app);

app.set ('view engine', 'ejs');
app.use (require ('./middleware')); //common middleware for all requests
app.use (require ('./controllers')); //all routes

MongoClient.connect (config.DB_URL)
  .then (database => {
    databaseHelper.initModule (database);

    app.listen (config.PORT, () => {
      console.log ('Express server running on port  ' + config.PORT);
      //alexa.updateIntentsJSON ();
      databaseHelper.loadTokens ();
    });
  })
  .catch (e => {
    console.log ('error : ' + e);
  });