(function(){
    'use strict';
  
      angular.module('sbAdminApp')
          .service('LoginService', ['$q', '$http', '$rootScope', '$resource', 'BASE_URL', 'USER_ROLES', LoginService]);
  
      function LoginService($q, $http, $rootScope, $resource, BASE_URL, USER_ROLES) {
  
          var authService = {},
          admin = '',
          user = '',
          role = '',       
          isAuthenticated = false;
  
          if (window.localStorage.getItem("loginStatus")) {
              isAuthenticated = true;
              $rootScope.userDetails = JSON.parse(localStorage.getItem("userDetails"));
              role = $rootScope.userDetails.role.toUpperCase(); 
          }
  
          this.setUser = function (res) {
              localStorage.setItem('loginStatus', true);
              localStorage.setItem('userDetails', JSON.stringify(res));
              isAuthenticated = true;
              $rootScope.userDetails = JSON.parse(localStorage.getItem("userDetails"));
              role = $rootScope.userDetails.role.toUpperCase(); 
          }
  
          this.isAuthenticated = function () {
              return isAuthenticated;
          };
  
          this.role = function () {
              return role;
          };
  
          this.getUser = function () {
              return JSON.parse(window.localStorage.getItem("userDetails"));
          }
  
          this.isAuthorized = function (authorizedRoles) {
              if (!angular.isArray(authorizedRoles)) {
                  authorizedRoles = [authorizedRoles];
              }
              return (this.isAuthenticated() && authorizedRoles.indexOf(role) !== -1);
          }
  
          this.signUp = function() {
              return $resource(BASE_URL+'/users/signUp');
          }
  
           //Resource for REST APIs
          this.doLogin = function() {
              return $resource(BASE_URL+'/users/login');
          }
  
          this.logOut = function(){
              return $resource(BASE_URL+'/users/logout',
                  {access_token:$rootScope.userDetails.id})
          }
  
          this.deleteUser = function () {
              isAuthenticated = false;
              $rootScope.$loginStatus = false;
              localStorage.clear();
          }
  
      }
  
  })();