(function () {
  'use strict';

  angular
    .module('app')
    .controller('MainController', MainController);

  /** @ngInject */
  MainController.$inject = ['AuthService', '$state','$window','LocaleService','$localStorage','LANGUAGES','$stateParams'];

  function MainController(AuthService, $state,$window,LocaleService,$localStorage,LANGUAGES,$stateParams) {
    var vm = this;
    var lang = $window.navigator.language || $window.navigator.userLanguage;
    var userLang = '';

    if(lang.indexOf('fr') !== -1){
      userLang = 'Canadian French';
      $localStorage.logoPath= "/assets/images/flogo.png";

    }else{
      userLang = 'Canadian English';
      $localStorage.logoPath= "/assets/images/logo.png";

    }
    LocaleService.setLocaleByDisplayName(userLang);
    vm.logoPath = $localStorage.logoPath;

    vm.data = {
      email: '',
      password: ''
    };
    vm.remember = false;
    vm.loginErrors = null;
    vm.login = login;

    var insertPassword = 'app.main.insert-password';
    var insertUser = 'app.main.insert-user';
    var connectionError = 'app.main.connection-error';

    function validateLogin(user, password) {
      var status = false;
      if (user && password) {
        status = true;
      } else if (user) {
        vm.loginErrors = insertPassword;
      } else {
        vm.loginErrors = insertUser;
      }
      return status;
    }

    if($localStorage.token){
      if($localStorage.preferredLang){
        userLang = getLanguageByPreferredLang($localStorage.preferredLang);
      }else{
        userLang = getLanguageByRegion($localStorage.userRegion);
      }
      if (userLang == LANGUAGES.ENGLISH.label){
        $localStorage.logoPath="/assets/images/logo.png";
        $localStorage.logoPathDashboard="/assets/images/logo_dashboard.png";
      }else{
        $localStorage.logoPath="/assets/images/flogo.png";
        $localStorage.logoPathDashboard="/assets/images/flogo_dashboard.png";
      }
      LocaleService.setLocaleByDisplayName(userLang);
      checkRedirect(atob($localStorage.role))
    }



    function login(credentials) {
      if (validateLogin(credentials.email, credentials.password)) {
        AuthService.authenticate(credentials)
          .then(
            function (success) {
              if(success.data.user.preferredLang){
                userLang = getLanguageByPreferredLang(success.data.user.preferredLang);
                if (userLang == LANGUAGES.ENGLISH.label){
                  $localStorage.logoPath="/assets/images/logo.png";
                  $localStorage.logoPathDashboard="/assets/images/logo_dashboard.png";
                }else{
                  $localStorage.logoPath="/assets/images/flogo.png";
                  $localStorage.logoPathDashboard="/assets/images/flogo_dashboard.png";
                }
              }else{
                userLang = getLanguageByRegion(success.data.user.region);
              }
              LocaleService.setLocaleByDisplayName(userLang);
              checkRedirect(success.data.user.role)
            },
            function (error) {
              if(error.data && error.data.msg){
                vm.loginErrors = error.data.msg;
              }else{
                vm.loginErrors = connectionError;
              }
            }
          )
      }

    }

    function checkRedirect(role) {
      if( hasParams($stateParams.region, $stateParams.accountid) ){
        var params = {
          "accountid" : $stateParams.accountid,
          "region" : $stateParams.region
        }
        $state.go('tool.stepOne',params);
      }else{
        redirectByRole(role);
      }
    }

    function hasParams(region,accountid){
      return region || accountid;
    }

    function getLanguageByPreferredLang(language){
      return language === LANGUAGES.ENGLISH.code? LANGUAGES.ENGLISH.label : LANGUAGES.FRENCH.label
    }

    function getLanguageByRegion(region){
      return region === 2? LANGUAGES.ENGLISH.label : LANGUAGES.FRENCH.label
    }

    function redirectByRole(role) {

      switch (role) {
        case 'EMPLOYEE':
          $state.go('tool.stepOne');
          break;
        case 'ADMIN':
          $state.go('dashboard.home');
          break;
        case 'MANAGER':
          $state.go('dashboard.home');
          break;
      }

    }
  }
})();