/*
 * Copyright 2016 Cray Inc.
 * Copyright (c) 2016 Hewlett Packard Enterprise Development Company LP
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
(function() {
  'use strict';

  /*
   * @ngdoc service
   * @name horizon.dashboard.admin.ironic.maintenance.service
   * @description Service for putting nodes in, and removing them from
   * maintenance mode
   */
  angular
    .module('horizon.dashboard.admin.ironic')
    .factory('horizon.dashboard.admin.ironic.maintenance.service',
             maintenanceService);

  maintenanceService.$inject = [
    '$uibModal',
    'horizon.dashboard.admin.ironic.basePath',
    'horizon.dashboard.admin.ironic.actions'
  ];

  function maintenanceService($uibModal, basePath, nodeActions) {
    var service = {
      setMaintenance: setMaintenance
    };
    return service;

    /*
     * @description Set the maintenance mode of a specified list of nodes
     *
     * If nodes are being put into maintenance mode a modal dialog is used
     * to prompt the user for a reason.
     *
     * @param {object[]} nodes - List of node objects
     * @param {boolean} mode - Desired maintenance state.
     *  'true' -> Node is in maintenance mode
     *  'false' -> Node is not in maintenance mode
     * @return {promise}
     */
    function setMaintenance(nodes, mode) {
      var promise;
      if (mode) {
        var options = {
          controller: "MaintenanceController as ctrl",
          templateUrl: basePath + '/maintenance/maintenance.html'
        };
        promise = $uibModal.open(options).result.then(function(reason) {
          return nodeActions.setMaintenance(nodes, true, reason);
        });
      } else {
        promise = nodeActions.setMaintenance(nodes, false);
      }
      return promise;
    }
  }
})();