/**
 * 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 misc = require('utils/misc');
var date = require('utils/date');

App.MainAppsController = Em.ArrayController.extend({

  name:'mainAppsController',
  content: [],

  loaded : false,
  loading : false,


  loadRuns:function () {
    console.log("--------------------loadRuns");
    this.set('loading', true);
    var self = this;

    //var runsUrl = App.testMode ? "/data/apps/runs.json" : App.apiPrefix + "/jobhistory/workflow?orderBy=startTime&sortDir=DESC&limit=" + App.maxRunsForAppBrowser;
    var runsUrl = App.testMode ? "/data/apps/runs.json" : App.apiPrefix + this.get("runUrl");

    App.HttpClient.get(runsUrl, App.runsMapper, {
      complete:function (jqXHR, textStatus) {
        self.set('loading', false);
        self.set('loaded', true);
      }
    });
  },

  //Pagination Object

  paginationObject:{
    iTotalDisplayRecords :null,
    iTotalRecords:null,
    startIndex:null,
    endIndex:null
  },

  /*
   Set number of filtered jobs when switching to all jobs
   */
  iTotalDisplayRecordsObserver:function(){
    if(this.get("filterObject.allFilterActivated")){
      //this.set("paginationObject.filteredDisplayRecords","-10");
      this.set("filterObject.allFilterActivated", false);
    }else{
      this.set("filterObject.filteredDisplayRecords",this.get("paginationObject.iTotalDisplayRecords"));
    }
  }.observes("paginationObject.iTotalDisplayRecords"),


  //Filter object

  filterObject : Ember.Object.create({
    sSearch_0:"",
    sSearch_1:"",
    sSearch_2:"",
    sSearch_3:"",
    minJobs:"",
    maxJobs:"",
    minInputBytes:"",
    maxInputBytes:"",
    minOutputBytes:"",
    maxOutputBytes:"",
    minDuration:"",
    maxDuration:"",
    minStartTime:"",
    maxStartTime:"",
    sSearch:"",
    iDisplayLength:"",
    iDisplayStart:"",
    iSortCol_0:"",
    sSortDir_0:"",

    allFilterActivated:false,
    filteredDisplayRecords:null,

    viewType:"all",
    viewTypeClickEvent:false,

    /**
     * Direct binding to job filter field
     */
    runType:"",
    onRunTypeChange:function(){
      if(this.runType == "MapReduce"){
        this.set("sSearch_2","mr");
      }else if(this.runType == "Hive"){
        this.set("sSearch_2","hive");
      }else if(this.runType == "Pig"){
        this.set("sSearch_2","pig");
      }else{
        this.set("sSearch_2","");
      }
    }.observes("runType"),

    /**
     * Direct binding to job filter field
     */
    jobs:"",
    onJobsChange:function(){
      var minMaxTmp = this.parseNumber(this.jobs);
      this.set("minJobs", minMaxTmp.min);
      this.set("maxJobs", minMaxTmp.max);
    }.observes("jobs"),

    /**
     * Direct binding to Input filter field
     */
    input:"",
    onInputChange:function(){
      var minMaxTmp = this.parseBandWidth(this.input);
      this.set("minInputBytes", minMaxTmp.min);
      this.set("maxInputBytes", minMaxTmp.max);
    }.observes("input"),

    /**
     * Direct binding to Output filter field
     */
    output:"",
    onOutputChange:function(){
      var minMaxTmp = this.parseBandWidth(this.output);
      this.set("minOutputBytes", minMaxTmp.min);
      this.set("maxOutputBytes", minMaxTmp.max);
    }.observes("output"),

    /**
     * Direct binding to Duration filter field
     */
    duration:"",
    onDurationChange:function(){
      var minMaxTmp = this.parseNumber(this.duration);
      if(parseFloat(minMaxTmp.min) == parseFloat(minMaxTmp.max)){
        this.set("minDuration" ,Math.ceil((parseFloat(minMaxTmp.min)-0.01)*1000));
        this.set("maxDuration" ,Math.floor((parseFloat(minMaxTmp.max)+0.01)*1000));
      }else{
        this.set("minDuration", parseFloat(minMaxTmp.min)*1000);
        this.set("maxDuration", parseFloat(minMaxTmp.max)*1000);
      }
    }.observes("duration"),

    /**
     * Direct binding to Run Date filter field
     */
    runDate:"",
    onRunDateChange:function(){
      var minMaxTmp = this.parseDate(this.runDate);
      this.set("minStartTime", minMaxTmp.min);
      this.set("maxStartTime", minMaxTmp.max);
    }.observes("runDate"),

    parseDate:function(value){
      var tmp={
        min:"",
        max:""
      };
      var nowTime = new Date().getTime();

      switch (value){
        case 'Any':
          break;
        case 'Past 1 Day':
          tmp.min= nowTime - 86400000;
          break;
        case 'Past 2 Days':
          tmp.min= nowTime - 172800000;
          break;
        case 'Past 7 Days':
          tmp.min= nowTime - 604800000;
          break;
        case 'Past 14 Days':
          tmp.min= nowTime - 1209600000;
          break;
        case 'Past 30 Days':
          tmp.min= nowTime - 2592000000;
          break;
        case 'Running Now':
          tmp.min= nowTime;
          break;
      }
      return tmp;
    },

    parseBandWidth:function(value){
      var tmp={
        min:"",
        max:""
      };
      var compareChar = isNaN(value.charAt(0)) ? value.charAt(0) : false;
      var compareScale = value.charAt(value.length - 1);
      var compareValue = compareChar ? parseFloat(value.substr(1, value.length)) : parseFloat(value.substr(0, value.length));
      if(isNaN(compareValue)){
        return tmp;
      }
      switch (compareScale) {
        case 'g':
          tmp.min = Math.max(1073741824,Math.ceil((compareValue-0.005)*1073741824));
          tmp.max = Math.floor((compareValue+0.005)*1073741824);
          break;
        case 'm':
          tmp.min = Math.max(1048576,Math.ceil((compareValue-0.05)*1048576));
          tmp.max = Math.min(1073741823,Math.floor((compareValue+0.05)*1048576));
          break;
        case 'k':
          tmp.min = Math.max(1024,Math.ceil((compareValue-0.05)*1024));
          tmp.max = Math.min(1048575,Math.floor((compareValue+0.05)*1024));
          break;
        default:
          tmp.min = Math.max(1024,Math.ceil((compareValue-0.05)*1024));
          tmp.max = Math.min(1048575,Math.floor((compareValue+0.05)*1024));
      }
      switch (compareChar) {
        case '<':
          tmp.min="";
          break;
        case '>':
          tmp.max="";
          break;
      }
      return tmp;
    },
    parseNumber:function(value){
      var tmp={
        min:"",
        max:""
      };
      switch (value.charAt(0)) {
        case '<':
          tmp.max=value.substr(1);
          break;
        case '>':
          tmp.min=value.substr(1);
          break;
        case '=':
          tmp.min=value.substr(1);
          tmp.max=value.substr(1);
          break;
        default:
          tmp.min=value;
          tmp.max=value;
      }
      return tmp;
    },
    createAppLink:function(){
      var link = "/jobhistory/datatable?";

      if(this.sSearch_0){
        link +=  "sSearch_0=" + this.sSearch_0 + "&";
      }
      if(this.sSearch_1){
        link +=  "sSearch_1=" + this.sSearch_1 + "&";
      }
      if(this.sSearch_2 && this.sSearch_2 != "Any"){
        link +=  "sSearch_2=" + this.sSearch_2 + "&";
      }
      if(this.sSearch_3){
        link +=  "sSearch_3=" + this.sSearch_3 + "&";
      }
      if(this.minJobs){
        link +=  "minJobs=" + this.minJobs + "&";
      }
      if(this.maxJobs){
        link +=  "maxJobs=" + this.maxJobs + "&";
      }
      if(this.minInputBytes){
        link +=  "minInputBytes=" + this.minInputBytes + "&";
      }
      if(this.maxInputBytes){
        link +=  "maxInputBytes=" + this.maxInputBytes + "&";
      }
      if(this.minOutputBytes){
        link +=  "minOutputBytes=" + this.minOutputBytes + "&";
      }
      if(this.maxOutputBytes){
        link +=  "maxOutputBytes=" + this.maxOutputBytes + "&";
      }
      if(this.minDuration){
        link +=  "minDuration=" + this.minDuration + "&";
      }
      if(this.maxDuration){
        link +=  "maxDuration=" + this.maxDuration + "&";
      }
      if(this.minStartTime){
        link +=  "minStartTime=" + this.minStartTime + "&";
      }
      if(this.maxStartTime){
        link +=  "maxStartTime=" + this.maxStartTime + "&";
      }
      if(this.sSearch){
        link +=  "sSearch=" + this.sSearch + "&";
      }
      if(this.iDisplayLength){
        link +=  "iDisplayLength=" + this.iDisplayLength + "&";
      }
      if(this.iDisplayStart){
        link +=  "iDisplayStart=" + this.iDisplayStart + "&";
      }
      if(this.iSortCol_0){
        link +=  "iSortCol_0=" + this.iSortCol_0 + "&";
      }
      if(this.sSortDir_0){
        link +=  "sSortDir_0=" + this.sSortDir_0 + "&";
      }

      link = link.slice(0,link.length-1);

      var valueInString=link.match(/&/g);

      if(!this.get("viewTypeClickEvent"))
      if(valueInString != null){
        this.set("viewType","filtered");
      }else{
        this.set("viewType","all");
      }

      return link;
    }
  }),

  runUrl : "/jobhistory/datatable",
  runTimeout : null,

  valueObserver: function(){
    var link = this.get('filterObject').createAppLink();

    if(this.get("filterObject.viewType") == "filtered"){
      this.set("runUrl", link);
    }else{
      this.set("runUrl",  "/jobhistory/datatable?iDisplayLength="+this.get('filterObject.iDisplayLength'));
    }

    var timeout = this.get('runTimeout');
    var self = this;

    clearTimeout(timeout);
    timeout = setTimeout(function(){
      console.log(self.get("runUrl"));
      self.loadRuns();
    }, 300);

    this.set('runTimeout', timeout);

  }.observes(
      'filterObject.sSearch_0',
      'filterObject.sSearch_1',
      'filterObject.sSearch_2',
      'filterObject.sSearch_3',
      'filterObject.minJobs',
      'filterObject.maxJobs',
      'filterObject.minInputBytes',
      'filterObject.maxInputBytes',
      'filterObject.minOutputBytes',
      'filterObject.maxOutputBytes',
      'filterObject.minDuration',
      'filterObject.maxDuration',
      'filterObject.minStartTime',
      'filterObject.maxStartTime',
      'filterObject.sSearch',
      'filterObject.iDisplayLength',
      'filterObject.iDisplayStart',
      'filterObject.iSortCol_0',
      'filterObject.sSortDir_0',
      'filterObject.viewType'
  ),

  serverData: null,
  summary: null,

  /**
   * Observer for summary data from server
   */
  summaryInfo: function(){
    var tmp;
    var summary = this.get('serverData');
    if(!summary){
      tmp = {
        'jobs': {
          'avg': 'undefined',
          'min': 'undefined',
          'max': 'undefined'
        },
        'input': {
          'avg': 'undefined',
          'min': 'undefined',
          'max': 'undefined'
        },
        'output': {
          'avg': 'undefined',
          'min': 'undefined',
          'max': 'undefined'
        },
        'duration': {
          'avg': 'undefined',
          'min': 'undefined',
          'max': 'undefined'
        },
        'times': {
          'oldest': 'undefined',
          'youngest': 'undefined'
        }
      };
    }else{
      tmp = {
        'jobs': {
          'avg': summary.jobs.avg.toFixed(2),
          'min': summary.jobs.min,
          'max': summary.jobs.max
        },
        'input': {
          'avg': misc.formatBandwidth(summary.input.avg),
          'min': misc.formatBandwidth(summary.input.min),
          'max': misc.formatBandwidth(summary.input.max)
        },
        'output': {
          'avg': misc.formatBandwidth(summary.output.avg),
          'min': misc.formatBandwidth(summary.output.min),
          'max': misc.formatBandwidth(summary.output.max)
        },
        'duration': {
          'avg': date.timingFormat(Math.round(summary.duration.avg)),
          'min': date.timingFormat(summary.duration.min),
          'max': date.timingFormat(summary.duration.max)
        },
        'times': {
          'oldest': new Date(summary.times.oldest).toDateString(),
          'youngest': new Date(summary.times.youngest).toDateString()
        }
      };
    }
    this.set("summary",tmp);
  }.observes('serverData'),


  columnsName: Ember.ArrayController.create({
    content: [
      { name: 'App ID', index: 0 },
      { name: 'Name', index: 1 },
      { name: 'Type', index: 2 },
      { name: 'User', index: 3 },
      { name: 'Jobs', index: 4 },
      { name: 'Input', index: 5 },
      { name: 'Output', index: 6 },
      { name: 'Duration', index: 7 },
      { name: 'Run Date', index: 8 }
    ]
  })


})