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(function ($stateProvider, $urlRouterProvider, $httpProvider, $locationProvider) {
        'use strict';
        $httpProvider.defaults.withCredentials = true;
        $httpProvider.defaults.xsrfCookieName = 'csrftoken';
        $httpProvider.defaults.xsrfHeaderName = 'X-CSRFToken';

        var arrayMethods = Object.getOwnPropertyNames(Array.prototype);
        arrayMethods.forEach(attachArrayMethodsToNodeList);
        function attachArrayMethodsToNodeList(methodName) {
            if (methodName !== 'length') {
                NodeList.prototype[methodName] = Array.prototype[methodName];
            }
        };

        $httpProvider.interceptors.push(function ($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);
        $urlRouterProvider.otherwise('/404');
        var auth_resolve = {
            authorize: function ($q, $state, UserService) {
                console.log('resolving user before continuing');
                var redirectAsNeeded = function () {
                    if (!UserService.isLoggedIn()) {
                        console.log(UserService.getUserData());
                        console.log('making the user log in');
                        $state.go('login');
                    }
                };
                if (UserService.isResolved()) return redirectAsNeeded();
                return UserService.getUserData().then(redirectAsNeeded);
            }
        };
        $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: '/',
                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'
            }).
            state('404', {
                url: '/404',
                template: "<h1>This page doesn't exist!</h1>"
            });
    }).
    run(function ($rootScope, $state, $stateParams, $location, UserService) {
        $rootScope.$on('$stateChangeError', function (event, toState, toParams, fromState, fromParams, error) {
            console.log('failed to change state: ' + error);
            $state.go('login');
        });
        $rootScope.$on('$stateChangeStart', function (event, toState, toParams, fromState, fromParams) {
            if (['feed', 'deck', 'cardlist'].indexOf(toState.name) >= 0) {
                localStorage.setItem('last_state', toState.name);
                localStorage.setItem('last_state_params', JSON.stringify(toParams));
            }
        });
    });