'use strict';

angular.module('users').factory('Principal', ['$window', '$http', '$q', '$timeout', '$state',
  function($window, $http, $q, $timeout, $state) {

    var service = {
      _currentUser: null,

      isIdentityResolved: function() {
        if(service._currentUser === null) return false
        return true;
      },
      isAuthenticated: function() {
        return !!service._currentUser;
      },
      isInRole: function(role) {
        if (!service.isAuthenticated() || !service._currentUser.roles) return false;

        return service._currentUser.roles.indexOf(role) !== -1;
      },
      isInAnyRole: function(roles) {
        if (!service.isAuthenticated() || !service._currentUser.roles) return false;

        for (var i = 0; i < roles.length; i++) {
          if (this.isInRole(roles[i])) return true;
        }

        return false;
      },
      authenticate: function(user) {
        service._currentUser = user;
         
        // store the user in $window
        if (user) $window.user = user;
        else $window.user = null;
      },
      signin: function(credentials) {

        var deferred = $q.defer();
        $http.post('/auth/signin', credentials).success(function(response) {
            console.log(response);
            // If successful we assign the response to the global user model
            service.authenticate(response);
            deferred.resolve(response);
          }).error(function(error) {

            deferred.reject(error.message || error);
          });
          return deferred.promise;
      },
      signup: function(credentials) { 

        var deferred = $q.defer();

        $http.post('/auth/signup', credentials).success(function(response) {
          // If successful we assign the response to the global user model
          deferred.resolve(response);
        }).error(function(error) {

          deferred.reject(error.message || error);
        });

        return deferred.promise;
      },
      signout: function() { 
        var deferred = $q.defer();
        $http.get('/auth/signout').success(function(response) {
          // If successful we assign the response to the global user model
          deferred.resolve(null);
          service.authenticate(null);
        }).error(function(error) {
          deferred.reject(error.message || error);
        });

        return deferred.promise;
      },
      identity: function() {

        if (service.isAuthenticated()) {
          return service._currentUser;
        } else if($window.user){
          service.authenticate($window.user);
          return service._currentUser;
        }else {
            return $http.get('/user/me')
              .success(function(response) {
                service.authenticate(response.data.user);
                return response.data.user;
              })
              .error(function() {
                service.authenticate(null);
                // $state.go('signin');
                return null;
              });
        }

        // var deferred = $q.defer();

        // console.log($window.user);
        // console.log(service.isAuthenticated());

        // // check and see if we have retrieved the user data from the server. if we have, reuse it by immediately resolving
        // if (service.isAuthenticated() === true ) {
        //   deferred.resolve(service.currentUser);
        // }else if($window.user){
          
        //   service.authenticate($window.user);
        //   deferred.resolve(service._currentUser);
        // }else {

        // 	// otherwise, retrieve the user data from the server, update the user object, and then resolve.
        //   $http.get('/users/me')
      		//   .success(function(response) {
      		//     service.authenticate(response);
      		//     deferred.resolve(response);
      		//   })
      		//   .error(function() {
      		//     service.authenticate(null);
      		//     deferred.reject("User's session has expired");
      		//   });
        // }

        // return deferred.promise;

      }
    };

    return service;
   
  }
]);