var AppDispatcher = require('../dispatchers/AppDispatcher');
var AppConstants = require('../constants/AppConstants');
var merge = require('react/lib/merge');
var EventEmitter = require('events').EventEmitter;
var _ = require('underscore');

// var ActionTypes = AppConstants.ActionTypes;
var CHANGE_EVENT = 'change';

var ActionTypes = AppConstants.ActionTypes;

var _customer = {};

var _error = [];

var CustomerStore = merge(EventEmitter.prototype, {

  init: function(customer){
    // Set _customer here.
    console.log('set customer here');
  },

  get_errors: function(){
    return _error;
  },

  has_errors: function(){
    return !_.isEmpty(_error);
  },

  emitChange: function() {
    this.emit(CHANGE_EVENT);
  },

  /**
   * @param {function} callback
   */
  addChangeListener: function(callback) {
    this.on(CHANGE_EVENT, callback);
  },

  /**
  * @param {function} callback
  */
  removeChangeListener: function(callback) {
    this.removeListener(CHANGE_EVENT, callback);
  },

  
});

CustomerStore.dispatchToken = AppDispatcher.register(function(payload){
  var action = payload.action;
  console.log('CustomerStore: ' + JSON.stringify(action));

  switch(action.type){
    case ActionTypes.CUSTOMER_SIGNUP:
      CustomerStore.emitChange();
      break;
    case ActionTypes.ACCOUNT_CONNECT:
      CustomerStore.emitChange();
      break;

    case ActionTypes.CUSTOMER_UPDATE:
      CustomerStore.emitChange();
      break;

    case ActionTypes.RECIEVE_CREATED_CUSTOMER:
      CustomerStore.init(action.data);
      CustomerStore.emitChange();
      break;

    case ActionTypes.RECIEVE_ERROR:
      _error = action.data.error;
      CustomerStore.emitChange();
      break;
      
    default:
      // do nothing
  }

});

module.exports = CustomerStore;