text: /**
   * 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');
  var date = require('utils/date/date');
  var numberUtils = require('utils/number_utils');
  
  App.MainDashboardServiceHdfsView = App.MainDashboardServiceView.extend({
    templateName: require('templates/main/service/services/hdfs'),
    serviceName: 'HDFS',
    Chart: App.ChartPieView.extend({
      service: null,
      color: '#0066B3',
      stroke: '#0066B3',
      palette: new Rickshaw.Color.Palette({
        scheme: [ 'rgba(0,102,179,0)', 'rgba(0,102,179,1)'].reverse()
      }),
      data: function () {
        var total = this.get('service.capacityTotal') + 0;
        var remaining = (this.get('service.capacityRemaining') + 0);
        var used = total - remaining;
        return [ used, remaining ];
      }.property('service.capacityUsed', 'service.capacityTotal')
    }),
  
    dashboardMasterComponentView: Em.View.extend({
      didInsertElement: function() {
        App.tooltip($('[rel=healthTooltip]'));
      },
      templateName: require('templates/main/service/info/summary/master_components'),
      mastersComp: function() {
        var masterComponents = [];
        var zkfcs = this.get('parentView.service.hostComponents').filterProperty('componentName', 'ZKFC');
  
        this.get('parentView.service.hostComponents').forEach(function (comp) {
          if (comp.get('isMaster') && comp.get('componentName') !== 'JOURNALNODE') {
            masterComponents.push(comp);
            var zkfc = zkfcs.findProperty('hostName', comp.get('hostName'));
            if (zkfc) {
              zkfc.set('isSubComponent', true);
              masterComponents.push(zkfc);
            }
          }
        });
        return masterComponents;
      }.property('parentView.service.hostComponents.length'),
      willDestroyElement: function() {
        $('[rel=healthTooltip]').tooltip('destroy')
      }
    }),
  
    didInsertElement: function() {
      App.tooltip($("[rel='tooltip']"));
    },
  
    willDestroyElement: function() {
      $("[rel='tooltip']").tooltip('destroy');
    },
  
    dataNodesDead: function () {
      return this.get('service.dataNodesInstalled');
    }.property('service.dataNodesInstalled'),
  
    showJournalNodes: function () {
      return this.get('service.journalNodes.length') > 0;
    }.property('service.journalNodes.length'),
  
    journalNodesLive: function () {
      return this.get('service.journalNodes').filterProperty("workStatus", "STARTED").get("length");
    }.property("service.journalNodes.@each.workStatus"),
  
    journalNodesTotal: function () {
      return this.get('service.journalNodes').get("length");
    }.property("service.journalNodes.length"),
  
    dfsTotalBlocks: function(){
      return this.formatUnavailable(this.get('service.dfsTotalBlocks'));
    }.property('service.dfsTotalBlocks'),
    dfsTotalFiles: function(){
      return this.formatUnavailable(this.get('service.dfsTotalFiles'));
    }.property('service.dfsTotalFiles'),
    dfsCorruptBlocks: function(){
      return this.formatUnavailable(this.get('service.dfsCorruptBlocks'));
    }.property('service.dfsCorruptBlocks'),
    dfsMissingBlocks: function(){
      return this.formatUnavailable(this.get('service.dfsMissingBlocks'));
    }.property('service.dfsMissingBlocks'),
    dfsUnderReplicatedBlocks: function(){
      return this.formatUnavailable(this.get('service.dfsUnderReplicatedBlocks'));
    }.property('service.dfsUnderReplicatedBlocks'),
  
    blockErrorsMessage: function() {
      return Em.I18n.t('dashboard.services.hdfs.blockErrors').format(this.get('dfsCorruptBlocks'), this.get('dfsMissingBlocks'), this.get('dfsUnderReplicatedBlocks'));
    }.property('dfsCorruptBlocks','dfsMissingBlocks','dfsUnderReplicatedBlocks'),
  
    nodeUptime: function () {
      var uptime = this.get('service').get('nameNodeStartTime');
      if (uptime && uptime > 0){
        var diff = App.dateTime() - uptime;
        if (diff < 0) {
          diff = 0;
        }
        var formatted = date.timingFormat(diff);
        return this.t('dashboard.services.uptime').format(formatted);
      }
      return this.t('services.service.summary.notRunning');
    }.property("service.nameNodeStartTime"),
  
    nodeWebUrl: function () {
      return "http://" + (App.singleNodeInstall ? App.singleNodeAlias :  this.get('service').get('nameNode').get('publicHostName')) + ":50070";
    }.property('service.nameNode'),
  
    nodeHeap: function () {
      var memUsed = this.get('service').get('jvmMemoryHeapUsed');
      var memMax = this.get('service').get('jvmMemoryHeapMax');
      var percent = memMax > 0 ? ((100 * memUsed) / memMax) : 0;
      return this.t('dashboard.services.hdfs.nodes.heapUsed').format(
        numberUtils.bytesToSize(memUsed, 1, 'parseFloat'),
        numberUtils.bytesToSize(memMax, 1, 'parseFloat'),
        percent.toFixed(1));
    }.property('service.jvmMemoryHeapUsed', 'service.jvmMemoryHeapMax'),
  
    dfsUsedDisk: function () {
      var text = this.t("dashboard.services.hdfs.capacityUsed");
      var total = this.get('service.capacityTotal');
      var dfsUsed = this.get('service.capacityUsed');
      var percent = total > 0 ? ((dfsUsed * 100) / total).toFixed(2) : 0;
      if (percent == "NaN" || percent < 0) {
        percent = Em.I18n.t('services.service.summary.notAvailable') + " ";
      }
      return text.format(numberUtils.bytesToSize(dfsUsed, 1, 'parseFloat'), numberUtils.bytesToSize(total, 1, 'parseFloat'), percent);
    }.property('service.capacityUsed', 'service.capacityTotal'),
    nonDfsUsedDisk: function () {
      var text = this.t("dashboard.services.hdfs.capacityUsed");
      var total = this.get('service.capacityTotal');
      var remaining = this.get('service.capacityRemaining');
      var dfsUsed = this.get('service.capacityUsed');
      var nonDfsUsed = total !== null && remaining !== null && dfsUsed !== null ? total - remaining - dfsUsed : null;
      var percent = total > 0 ? ((nonDfsUsed * 100) / total).toFixed(2) : 0;
      if (percent == "NaN" || percent < 0) {
        percent = Em.I18n.t('services.service.summary.notAvailable') + " ";
      }
      return text.format(numberUtils.bytesToSize(nonDfsUsed, 1, 'parseFloat'), numberUtils.bytesToSize(total, 1, 'parseFloat'), percent);
    }.property('service.capacityUsed', 'service.capacityRemaining', 'service.capacityTotal'),
    remainingDisk: function () {
      var text = this.t("dashboard.services.hdfs.capacityUsed");
      var total = this.get('service.capacityTotal');
      var remaining = this.get('service.capacityRemaining');
      var percent = total > 0 ? ((remaining * 100) / total).toFixed(2) : 0;
      if (percent == "NaN" || percent < 0) {
        percent = Em.I18n.t('services.service.summary.notAvailable') + " ";
      }
      return text.format(numberUtils.bytesToSize(remaining, 1, 'parseFloat'), numberUtils.bytesToSize(total, 1, 'parseFloat'), percent);
    }.property('service.capacityRemaining', 'service.capacityTotal'),
  
    dataNodeComponent: function () {
      return Em.Object.create({
        componentName: 'DATANODE'
      });
      //return this.get('service.dataNodes').objectAt(0);
    }.property(),
  
    nfsGatewayComponent: function () {
      return Em.Object.create({
        componentName: 'NFS_GATEWAY'
      });
      //return this.get('service.dataNodes').objectAt(0);
    }.property(),
  
    /**
     * Define if NFS_GATEWAY is present in the installed stack
     * @type {Boolean}
     */
    isNfsInStack: function () {
      return App.StackServiceComponent.find().someProperty('componentName', 'NFS_GATEWAY');
    }.property(),
    
    journalNodeComponent: function () {
      return this.get('service.journalNodes').objectAt(0);
    }.property(),
  
    safeModeStatus: function () {
      var safeMode = this.get('service.safeModeStatus');
      if (safeMode == null) {
        return Em.I18n.t("services.service.summary.notAvailable");
      } else if (safeMode.length == 0) {
        return Em.I18n.t("services.service.summary.safeModeStatus.notInSafeMode");
      } else {
        return Em.I18n.t("services.service.summary.safeModeStatus.inSafeMode");
      }
    }.property('service.safeModeStatus'),
    upgradeStatus: function () {
      var upgradeStatus = this.get('service.upgradeStatus');
      var healthStatus = this.get('service.healthStatus');
      if (upgradeStatus == 'true') {
        return Em.I18n.t('services.service.summary.pendingUpgradeStatus.notPending');
      } else if (upgradeStatus == 'false' && healthStatus == 'green') {
        return Em.I18n.t('services.service.summary.pendingUpgradeStatus.notFinalized');
      } else {
        // upgrade status == null
        return Em.I18n.t("services.service.summary.notAvailable");
      }
    }.property('service.upgradeStatus', 'service.healthStatus'),
    isUpgradeStatusWarning: function () {
      var upgradeStatus = this.get('service.upgradeStatus');
      var healthStatus = this.get('service.healthStatus');
      return upgradeStatus == 'false' && healthStatus == 'green';
    }.property('service.upgradeStatus', 'service.healthStatus')
  
  });
  