/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */


var App = require('app');

App.KerberosWizardController = App.WizardController.extend({

  name: 'kerberosWizardController',

  totalSteps: 6,

  isKerberosWizard: true,

  /**
   * Used for hiding back button in wizard
   */
  hideBackButton: true,

  content: Em.Object.create({
    controllerName: 'kerberosWizardController',
    serviceName: 'KERBEROS',
    hosts: '',
    kerberosOption: null,
    cluster: null,
    services: null,
    advancedServiceConfig: null,
    serviceConfigProperties: [],
    failedTask: null
  }),

  setCurrentStep: function (currentStep, completed) {
    this._super(currentStep, completed);
    if (App.testMode) {
      return;
    }
    App.clusterStatus.setClusterStatus({
      clusterName: this.get('content.cluster.name'),
      clusterState: 'KERBEROS_DEPLOY',
      wizardControllerName: 'kerberosWizardController',
      localdb: App.db.data
    });
  },

  /**
   * return new object extended from clusterStatusTemplate
   * @return Object
   */
  getCluster: function () {
    return jQuery.extend({}, this.get('clusterStatusTemplate'), {name: App.router.getClusterName()});
  },

  /**
   * save status of the cluster.
   * @param clusterStatus object with status,requestId fields.
   */
  saveClusterStatus: function (clusterStatus) {
    var oldStatus = this.toObject(this.get('content.cluster'));
    clusterStatus = jQuery.extend(oldStatus, clusterStatus);
    if (clusterStatus.requestId) {
      clusterStatus.requestId.forEach(function (requestId) {
        if (clusterStatus.oldRequestsId.indexOf(requestId) === -1) {
          clusterStatus.oldRequestsId.push(requestId)
        }
      }, this);
    }
    this.set('content.cluster', clusterStatus);
    this.save('cluster');
  },


  saveTasksStatuses: function (statuses) {
    this.setDBProperty('tasksStatuses',statuses);
    this.set('content.tasksStatuses', statuses);
  },

  saveConfigTag: function (tag) {
    App.db.setKerberosWizardConfigTag(tag);
    this.set('content.' + [tag.name], tag.value);
  },

  saveKerberosOption: function (stepController) {
    this.setDBProperty('kerberosOption', stepController.get('selectedItem'));
    this.set('content.kerberosOption', stepController.get('selectedItem'));
  },

  loadConfigTag: function (tag) {
    var tagVal = App.db.getKerberosWizardConfigTag(tag);
    this.set('content.' + tag, tagVal);
  },


  loadTasksStatuses: function () {
    var statuses = this.getDBProperty('tasksStatuses');
    this.set('content.tasksStatuses', statuses);
  },

  /**
   * Load serviceConfigProperties to model
   */
  loadServiceConfigProperties: function () {
    var serviceConfigProperties = this.getDBProperty('serviceConfigProperties');
    this.set('content.serviceConfigProperties', serviceConfigProperties);
  },

  /**
   * load advanced configs from server
   */
  loadAdvancedConfigs: function (dependentController) {
    var self = this;
    var loadAdvancedConfigResult = [];
    dependentController.set('isAdvancedConfigLoaded', false);
    var serviceName = this.get('content.serviceName');
    App.config.loadAdvancedConfig(serviceName, function (properties) {
      loadAdvancedConfigResult.pushObjects(properties);
      self.set('content.advancedServiceConfig', loadAdvancedConfigResult);
      self.setDBProperty('advancedServiceConfig', loadAdvancedConfigResult);
      dependentController.set('isAdvancedConfigLoaded', true);
    });
  },


  saveRequestIds: function (requestIds) {
    this.setDBProperty('requestIds',requestIds);
    this.set('content.requestIds', requestIds);
  },

  loadKerberosOption: function () {
    this.set('content.kerberosOption', this.getDBProperty('kerberosOption'));
  },

  loadRequestIds: function () {
    var requestIds = this.getDBProperty('requestIds');
    this.set('content.requestIds', requestIds);
  },

  saveTasksRequestIds: function (requestIds) {
    this.setDBProperty('tasksRequestIds',requestIds);
    this.set('content.tasksRequestIds', requestIds);
  },

  loadTasksRequestIds: function () {
    var requestIds = this.getDBProperty('tasksRequestIds');
    this.set('content.tasksRequestIds', requestIds);
  },

  loadMap: {
    '1': [
      {
        type: 'sync',
        callback: function () {
          this.loadKerberosOption();
        }
      }
    ],
    '2': [
      {
        type: 'sync',
        callback: function () {
          var kerberosStep2controller = App.router.get('kerberosWizardStep2Controller');
          this.loadAdvancedConfigs(kerberosStep2controller);
          this.loadServiceConfigProperties();
          this.load('hosts');
        }
      }
    ],
    '3': [
      {
        type: 'sync',
        callback: function () {
          this.loadTasksStatuses();
          this.loadTasksRequestIds();
          this.loadRequestIds();
        }
      }
    ]
  },

  /**
   * Remove all loaded data.
   * Created as copy for App.router.clearAllSteps
   */
  clearAllSteps: function () {
    this.clearInstallOptions();
    // clear temporary information stored during the install
    this.set('content.cluster', this.getCluster());
  },

  clearTasksData: function () {
    this.saveTasksStatuses(undefined);
    this.saveRequestIds(undefined);
    this.saveTasksRequestIds(undefined);
  },

  /**
   * Clear all temporary data
   */
  finish: function () {
    // The in-memory variable for currentstep should be reset to 1st step.
    this.setCurrentStep('1');
    // kerberos wizard namespace in the localStorage should be emptied
    this.resetDbNamespace();
    App.router.get('updateController').updateAll();
  }
});