/**
 * 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.
 */

import authModule from 'components/auth/auth.module.js';
import servicesModule from 'shared/services/services.module.js';

let name = 'authInterceptorFactory';

export default angular
  .module(name, [
    authModule,
    servicesModule
  ])
  .factory(name, ($q, authService) => {
    'ngInject';
    return {
      request: config => {
        var defer = $q.defer();

        if (authService.authHeader) {
          authService.refresh()
            .then(() => {
              config.headers = config.headers || {};
              config.headers.Authorization = authService.authHeader;
              defer.resolve(config);
            }, () => {
              defer.reject('Failed to refresh token');
            });
        }

        return defer.promise;
      }
    };
  })
  .name;