/**
 * Copyright 2012-2017 Red Hat, Inc.
 *
 * Thermostat is distributed under the GNU General Public License,
 * version 2 or any later version (with a special exception described
 * below, commonly known as the "Classpath Exception").
 *
 * A copy of GNU General Public License (GPL) is included in this
 * distribution, in the file COPYING.
 *
 * Linking Thermostat code with other modules is making a combined work
 * based on Thermostat.  Thus, the terms and conditions of the GPL
 * cover the whole combination.
 *
 * As a special exception, the copyright holders of Thermostat give you
 * permission to link this code with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module.  An independent module is a module which is not derived from
 * or based on Thermostat code.  If you modify Thermostat, you may
 * extend this exception to your version of the software, but you are
 * not obligated to do so.  If you do not wish to do so, delete this
 * exception statement from your version.
 */

let errorRouter = angular
  .module('error.routing', ['ui.router'])
  .config(errorRouting);

function errorRouting ($stateProvider, $urlRouterProvider) {
  'ngInject';
  $stateProvider.state('404', {
    templateProvider: $q => {
      'ngInject';
      return $q(resolve =>
        require.ensure([], () => {
          resolve(require('templates/404.html'));
        })
      );
    }
  });

  // define behaviour when no state is matched
  $urlRouterProvider.otherwise(($injector, $location) => {
    $injector.get('$state').go('404', { location: $location.path() });
  });
}

let componentRoutingModules = [errorRouter.name];
let req = require.context('./components', true, /\.routing\.js/);
req.keys().forEach(k => componentRoutingModules.push(req(k).default));

let appRouter = angular.module('app.routing', componentRoutingModules);

function defaultState ($stateProvider) {
  'ngInject';
  $stateProvider.state('default', {
    redirectTo: 'jvmList'
  });
}
appRouter.config(defaultState);
function transitionHook ($q, $transitions, $state, authService) {
  'ngInject';
  $transitions.onBefore({ to: '/' }, () => $state.target('jvmList'));

  $transitions.onEnter({}, () => { authService.refresh() });

  $transitions.onBefore(
    { to: state => state.name !== 'about' && state.name !== 'login' && !authService.status() },
    () => {
      let defer = $q.defer();
      authService.refresh().then(() => defer.resolve(), () => authService.goToLogin(defer));
      return defer.promise;
    }
  );
}
appRouter.run(transitionHook);
export default appRouter.name;

export { errorRouter, errorRouting, transitionHook };