angular.module('authentication',[])
    .service('AuthService',['$http','TokenStorage','$rootScope',
        function($http, TokenStorage, $rootScope) {
            var that = this;
            var authenticated = false;
            var userId = null;
            var username = {};

            that.getAuthenticated = function () {
                if(TokenStorage.retrieve()!== null)
                    return true;
                else
                    return false;
            };

            that.getUserId = function () {
                return userId;
            };


            that.init = function () {
                return $http.get(urlBase +'user/current').success(function (user) {
                    if(user.username !== 'anonymousUser'){
                        username = user.username;
                        userId = user.id;
                        communeId = user.communeId;
                        authenticated = true;
                        $rootScope.$broadcast('auth.loggedin');
                    }
                    else
                    {
                        username = {};
                        userId = null;
                        authenticated = false;
                        communeId = null;
                        TokenStorage.clear();
                        $rootScope.$broadcast('auth.loggedout');
                    }
                });


            };

            that.login = function (logdata) {
                return $http.post(urlBase +'login',logdata)
                    .success(function (data, status, headers, config) {
                        authenticated = true;
                        $rootScope.$broadcast('auth.loggedin');
                        console.log(headers('X-AUTH-TOKEN'));
                        TokenStorage.store(headers('X-AUTH-TOKEN'));

                    }).error(function () {
                        authenticated = false;
                        userId = null;
                        communeId = null;
                        $rootScope.$broadcast('auth.loggedout');
                    });
            };

            that.logout = function () {
                TokenStorage.clear();
                authenticated = false;
                userId = null;
                communeId = null;
                $rootScope.$broadcast('auth.loggedout');

            };

        }])
    .factory('TokenStorage', function() {
        var storageKey = 'auth_token';
        return {
            store : function(token) {
                return localStorage.setItem(storageKey, token);
            },
            retrieve : function() {
                return localStorage.getItem(storageKey);
            },
            clear : function() {
                return localStorage.removeItem(storageKey);
            }
        };
    });