var TEAM_PATTERN = '^[a-zA-Z][a-zA-Z0-9]+$';
var ROBOT_PATTERN = '^[a-zA-Z][a-zA-Z0-9]{3,29}$';
var USER_PATTERN = '^[a-z0-9_]{4,30}$';

quayDependencies = ['ngRoute', 'chieffancypants.loadingBar', 'angular-tour', 'restangular', 'angularMoment',
                    'mgcrea.ngStrap', 'ngCookies', 'ngSanitize', 'angular-md5', 'pasvaz.bindonce', 'ansiToHtml',
                    'ngAnimate', 'core-ui', 'core-config-setup'];

if (window.__config && window.__config.MIXPANEL_KEY) {
  quayDependencies.push('angulartics');
  quayDependencies.push('angulartics.mixpanel');
}

// Define the application.
quayApp = angular.module('quay', quayDependencies, function($provide, cfpLoadingBarProvider) {
  cfpLoadingBarProvider.includeSpinner = false;
});

// Configure the routes.
quayApp.config(['$routeProvider', '$locationProvider', function($routeProvider, $locationProvider) {
  var title = window.__config['REGISTRY_TITLE'] || 'Quay.io';

  $locationProvider.html5Mode(true);

  // WARNING WARNING WARNING
  // If you add a route here, you must add a corresponding route in thr endpoints/web.py
  // index rule to make sure that deep links directly deep into the app continue to work.
  // WARNING WARNING WARNING
  $routeProvider.
    when('/repository/:namespace/:name', {templateUrl: '/static/partials/view-repo.html', controller: RepoCtrl,
                                          fixFooter: false, reloadOnSearch: false}).
    when('/repository/:namespace/:name/tag/:tag', {templateUrl: '/static/partials/view-repo.html', controller: RepoCtrl,
                                                   fixFooter: false}).
    when('/repository/:namespace/:name/image/:image', {templateUrl: '/static/partials/image-view.html', controller: ImageViewCtrl, reloadOnSearch: false}).
    when('/repository/:namespace/:name/admin', {templateUrl: '/static/partials/repo-admin.html', controller:RepoAdminCtrl, reloadOnSearch: false}).
    when('/repository/:namespace/:name/build', {templateUrl: '/static/partials/repo-build.html', controller:RepoBuildCtrl, reloadOnSearch: false}).
    when('/repository/:namespace/:name/build/:buildid/buildpack', {templateUrl: '/static/partials/build-package.html', controller:BuildPackageCtrl, reloadOnSearch: false}).
    when('/repository/', {title: 'Repositories', description: 'Public and private docker repositories list',
                          templateUrl: '/static/partials/repo-list.html', controller: RepoListCtrl, reloadOnSearch: false}).
    when('/user/', {title: 'Account Settings', description:'Account settings for ' + title, templateUrl: '/static/partials/user-admin.html',
                    reloadOnSearch: false, controller: UserAdminCtrl}).
    when('/superuser/', {title: 'Enterprise Registry Management', description:'Admin panel for ' + title, templateUrl: '/static/partials/super-user.html',
                         reloadOnSearch: false, controller: SuperUserAdminCtrl, newLayout: true}).
    when('/setup/', {title: 'Enterprise Registry Setup', description:'Setup for ' + title, templateUrl: '/static/partials/setup.html',
                         reloadOnSearch: false, controller: SetupCtrl, newLayout: true}).
    when('/guide/', {title: 'Guide', description:'Guide to using private docker repositories on ' + title,
                     templateUrl: '/static/partials/guide.html',
                     controller: GuideCtrl}).
    when('/tutorial/', {title: 'Tutorial', description:'Interactive tutorial for using ' + title, templateUrl: '/static/partials/tutorial.html',
                        controller: TutorialCtrl}).
    when('/contact/', {title: 'Contact Us', description:'Different ways for you to get a hold of us when you need us most.', templateUrl: '/static/partials/contact.html',
                     controller: ContactCtrl}).
    when('/about/', {title: 'About Us', description:'Information about the Quay.io team and the company.', templateUrl: '/static/partials/about.html'}).
    when('/plans/', {title: 'Plans and Pricing', description: 'Plans and pricing for private docker repositories on Quay.io',
                     templateUrl: '/static/partials/plans.html', controller: PlansCtrl}).
    when('/security/', {title: 'Security', description: 'Security features used when transmitting and storing data',
                     templateUrl: '/static/partials/security.html'}).
    when('/signin/', {title: 'Sign In', description: 'Sign into ' + title, templateUrl: '/static/partials/signin.html', controller: SignInCtrl, reloadOnSearch: false}).
    when('/new/', {title: 'Create new repository', description: 'Create a new public or private docker repository, optionally constructing from a dockerfile',
                   templateUrl: '/static/partials/new-repo.html', controller: NewRepoCtrl}).
    when('/organizations/', {title: 'Organizations', description: 'Private docker repository hosting for businesses and organizations',
                               templateUrl: '/static/partials/organizations.html', controller: OrgsCtrl}).
    when('/organizations/new/', {title: 'New Organization', description: 'Create a new organization on ' + title,
                                 templateUrl: '/static/partials/new-organization.html', controller: NewOrgCtrl}).
    when('/organization/:orgname', {templateUrl: '/static/partials/org-view.html', controller: OrgViewCtrl}).
    when('/organization/:orgname/admin', {templateUrl: '/static/partials/org-admin.html', controller: OrgAdminCtrl, reloadOnSearch: false}).
    when('/organization/:orgname/teams/:teamname', {templateUrl: '/static/partials/team-view.html', controller: TeamViewCtrl}).
    when('/organization/:orgname/logs/:membername', {templateUrl: '/static/partials/org-member-logs.html', controller: OrgMemberLogsCtrl}).
    when('/organization/:orgname/application/:clientid', {templateUrl: '/static/partials/manage-application.html',
                                                          controller: ManageApplicationCtrl, reloadOnSearch: false}).
    when('/v1/', {title: 'Activation information', templateUrl: '/static/partials/v1-page.html', controller: V1Ctrl}).


    when('/tour/', {title: title + ' Tour', templateUrl: '/static/partials/tour.html', controller: TourCtrl}).
    when('/tour/organizations', {title: 'Teams and Organizations Tour', templateUrl: '/static/partials/tour.html', controller: TourCtrl}).
    when('/tour/features', {title: title + ' Features', templateUrl: '/static/partials/tour.html', controller: TourCtrl}).
    when('/tour/enterprise', {title: 'Enterprise Edition', templateUrl: '/static/partials/tour.html', controller: TourCtrl}).

    when('/confirminvite', {title: 'Confirm Invite', templateUrl: '/static/partials/confirm-invite.html', controller: ConfirmInviteCtrl, reloadOnSearch: false}).

    when('/', {title: 'Hosted Private Docker Registry', templateUrl: '/static/partials/landing.html', controller: LandingCtrl,
               pageClass: 'landing-page'}).
    otherwise({redirectTo: '/'});
}]);

// Configure compile provider to add additional URL prefixes to the sanitization list. We use
// these on the Contact page.
quayApp.config(function($compileProvider) {
  $compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|irc):/);
});

// Configure the API provider.
quayApp.config(function(RestangularProvider) {
  RestangularProvider.setBaseUrl('/api/v1/');
});

// Configure analytics.
if (window.__config && window.__config.MIXPANEL_KEY) {
  quayApp.config(['$analyticsProvider', function($analyticsProvider) {
    $analyticsProvider.virtualPageviews(true);
  }]);
}

// Configure sentry.
if (window.__config && window.__config.SENTRY_PUBLIC_DSN) {
  quayApp.config(function($provide) {
    $provide.decorator("$exceptionHandler", function($delegate) {
      return function(ex, cause) {
        $delegate(ex, cause);
        Raven.captureException(ex, {extra: {cause: cause}});
      };
    });
  });
}

// Run the application.
quayApp.run(['$location', '$rootScope', 'Restangular', 'UserService', 'PlanService', '$http', '$timeout', 'CookieService', 'Features', '$anchorScroll', 'UtilService',
  function($location, $rootScope, Restangular, UserService, PlanService, $http, $timeout, CookieService, Features, $anchorScroll, UtilService) {

  // Handle session security.
  Restangular.setDefaultRequestParams(['post', 'put', 'remove', 'delete'], {'_csrf_token': window.__token || ''});

  // Handle session expiration.
  Restangular.setErrorInterceptor(function(response) {
    if (response.status == 401 && response.data['error_type'] == 'invalid_token' &&
        response.data['session_required'] !== false) {
      $('#sessionexpiredModal').modal({});
      return false;
    }

    if (response.status == 503) {
      $('#cannotContactService').modal({});
      return false;
    }

    if (response.status == 500) {
      document.location = '/500';
      return false;
    }

    return true;
  });

  // Check if we need to redirect based on a previously chosen plan.
  var result = PlanService.handleNotedPlan();

  // Check to see if we need to show a redirection page.
  var redirectUrl = CookieService.get('quay.redirectAfterLoad');
  CookieService.clear('quay.redirectAfterLoad');

  if (!result && redirectUrl && redirectUrl.indexOf(window.location.href) == 0) {
    window.location = redirectUrl;
    return;
  }

  var changeTab = function(activeTab, opt_timeout) {
    var checkCount = 0;
    $timeout(function() {
      if (checkCount > 5) { return; }
      checkCount++;

      $('a[data-toggle="tab"]').each(function(index) {
        var tabName = this.getAttribute('data-target').substr(1);
        if (tabName != activeTab) {
          return;
        }

        if (this.clientWidth == 0) {
          changeTab(activeTab, 500);
          return;
        }

        UtilService.clickElement(this);
      });
    }, opt_timeout);
  };

  var resetDefaultTab = function() {
    $timeout(function() {
      $('a[data-toggle="tab"]').each(function(index) {
        if (index == 0) {
          UtilService.clickElement(this);
        }
      });
    });
  };

  $rootScope.$watch('description', function(description) {
    if (!description) {
      description = 'Hosted private docker repositories. Includes full user management and history. Free for public repositories.';
    }

    // Note: We set the content of the description tag manually here rather than using Angular binding
    // because we need the <meta> tag to have a default description that is not of the form "{{ description }}",
    // we read by tools that do not properly invoke the Angular code.
    $('#descriptionTag').attr('content', description);
  });

  $rootScope.$on('$routeUpdate', function(){
    if ($location.search()['tab']) {
      changeTab($location.search()['tab']);
    } else {
      resetDefaultTab();
    }
  });

  $rootScope.$on('$routeChangeSuccess', function (event, current, previous) {
    $rootScope.pageClass = '';
    $rootScope.current = current.$$route;

    if (!current.$$route) { return; }

    if (current.$$route.title) {
      $rootScope.title = current.$$route.title;
    }

    if (current.$$route.pageClass) {
      $rootScope.pageClass = current.$$route.pageClass;
    }

    $rootScope.newLayout = !!current.$$route.newLayout;

    if (current.$$route.description) {
      $rootScope.description = current.$$route.description;
    } else {
      $rootScope.description = '';
    }

    $rootScope.fixFooter = !!current.$$route.fixFooter;
    $anchorScroll();
  });

  $rootScope.$on('$viewContentLoaded', function(event, current) {
    var activeTab = $location.search()['tab'];

    // Setup deep linking of tabs. This will change the search field of the URL whenever a tab
    // is changed in the UI.
    $timeout(function() {
      $('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {
        var tabName = e.target.getAttribute('data-target').substr(1);
        $rootScope.$apply(function() {
          var isDefaultTab = $('a[data-toggle="tab"]')[0] == e.target;
          var newSearch = $.extend($location.search(), {});
          if (isDefaultTab) {
            delete newSearch['tab'];
          } else {
            newSearch['tab'] = tabName;
          }

          $location.search(newSearch);
        });

        e.preventDefault();
      });

      if (activeTab) {
        changeTab(activeTab);
      }
    }, 400); // 400ms to make sure angular has rendered.
  });

  var initallyChecked = false;
  window.__isLoading = function() {
    if (!initallyChecked) {
      initallyChecked = true;
      return true;
    }
    return $http.pendingRequests.length > 0;
  };
}]);