angular.module('flashy', [
    'flashy.LogoutController',
    'flashy.LoginController',
    'flashy.RootController',
    'flashy.FeedController',
    'flashy.DeckController',
    'flashy.ClassAddController',
    'flashy.RequestResetController',
    'flashy.StudyController',
    'flashy.UserService',
    'flashy.FlashcardDirective',
    'flashy.ResetPasswordController',
    'flashy.VerifyEmailController',
    'flashy.CardListController',
    'ngCookies']).
    config(['$stateProvider', '$urlRouterProvider', '$httpProvider',
        '$locationProvider',
        function($stateProvider, $urlRouterProvider, $httpProvider, $locationProvider) {
            'use strict';
            $httpProvider.defaults.withCredentials = true;
            $httpProvider.defaults.xsrfCookieName = 'csrftoken';
            $httpProvider.defaults.xsrfHeaderName = 'X-CSRFToken';
            $httpProvider.interceptors.push(function($q) {
                return {
                    'responseError': function(rejection) {
                        if (rejection.status >= 500) {
                            console.log('got error');
                            console.log(rejection);
                            $('body').html('<div class="card">Sorry, the server is not serving requests properly. Try again later</div>');
                        }
                        return $q.reject(rejection);
                    }
                };
            });
            $locationProvider.html5Mode(true);
            $urlRouterProvider.otherwise('/login');
            var auth_resolve = {
                authorize: ['$q', 'UserService',
                    function($q, UserService) {
                        console.log('resolving user before continuing');
                        return UserService.getUserData();
                    }
                ]
            };
            $stateProvider.
                state('login', {
                    url: '/login',
                    templateUrl: 'templates/login.html',
                    controller: 'LoginController'
                }).
                state('logout', {
                    resolve: auth_resolve,
                    url: '/logout',
                    templateUrl: 'templates/logout.html',
                    controller: 'LogoutController'
                }).
                state('root', {
                    resolve: auth_resolve,
                    url: '/',
                    templateUrl: 'templates/root.html',
                    controller: 'RootController'
                }).
                state('feed', {
                    resolve: auth_resolve,
                    url: '/feed/{sectionId}',
                    templateUrl: 'templates/feed.html',
                    controller: 'FeedController'
                }).
                state('cardlist', {
                    resolve: auth_resolve,
                    url: '/cards/{sectionId}',
                    templateUrl: 'templates/cardlist.html',
                    controller: 'CardListController'
                }).
                state('addclass', {
                    resolve: auth_resolve,
                    url: '/addclass',
                    templateUrl: 'templates/addclass.html',
                    controller: 'ClassAddController'
                }).
                state('deck', {
                    resolve: auth_resolve,
                    url: '/deck/{sectionId}',
                    templateUrl: 'templates/deck.html',
                    controller: 'DeckController'
                }).
                state('study', {
                    resolve: auth_resolve,
                    url: '/study',
                    templateUrl: 'templates/study.html',
                    controller: 'StudyController'
                }).
                state('flashcard', {
                    resolve: auth_resolve,
                    url: '/flashcard',
                    templateUrl: 'templates/flashcard.html',
                    controller: 'FlashcardController'
                }).
                state('requestpasswordreset', {
                    url: '/requestpasswordreset',
                    templateUrl: 'templates/requestpasswordreset.html',
                    controller: 'RequestResetController'
                }).
                state('resetpassword', {
                    url: '/resetpassword/{uid}/{token}',
                    templateUrl: 'templates/resetpassword.html',
                    controller: 'ResetPasswordController'
                }).
                state('verifyemail', {
                    resolve: auth_resolve,
                    url: '/verifyemail/{key}',
                    templateUrl: 'templates/verifyemail.html',
                    controller: 'VerifyEmailController'
                });
        }
    ]).
    run(['$rootScope', '$state', '$stateParams', '$location', 'UserService',
        function($rootScope, $state, $stateParams, $location, UserService) {
            $rootScope.$on('$stateChangeStart', function(event, toState, toStateParams) {
                if (UserService.isLoggedIn()) return console.log('no login required; going straight to ' + toState.name);
                if (toState.name == 'login') return console.log('we are going to login anyway; just let it happen :)');
                if (!UserService.isUserResolved()) return console.log('user not yet resolved; hold off');
                $rootScope.returnToState = toState;
                $rootScope.returnToStateParams = toStateParams;
                console.log('going to ' + toState.name + ' after login');
                $state.go('login');
            });
            $rootScope.$on('$stateChangeError', function(event, toState, toParams, fromState, fromParams, error) {
                console.log('failed to change state: ' + error);
                $state.go('login');
            });
        }
    ]);