/**
 * 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');
require('views/common/chart/linear_time');
var testHelpers = require('test/helpers');

describe('App.ChartLinearTimeView', function () {

  var chartLinearTimeView = App.ChartLinearTimeView.create({});

  describe('#transformData', function () {

    var result;
    var data = [[1, 1200000000], [2, 1200000000], [3, 1200000000]];
    var name = 'abc';

    beforeEach(function () {
      sinon.stub(App.router, 'get').withArgs('userSettingsController.userSettings.timezone').returns('(UTC+00:00) Greenwich');
      sinon.stub(App, 'dateTimeWithTimeZone').returns(1);
    });

    afterEach(function () {
      App.router.get.restore();
      App.dateTimeWithTimeZone.restore();
    });

    it('"name" should be "abc" ', function () {
      result = chartLinearTimeView.transformData(data, name);
      expect(result.name).to.equal('abc');
    });

    it('data size should be 3 ', function () {
      result = chartLinearTimeView.transformData(data, name);
      expect(result.data.length).to.equal(3);
    });

    it('data[0].y should be 1 ', function () {
      result = chartLinearTimeView.transformData(data, name);
      expect(result.data[0].y).to.equal(1);
    })

  });

  describe('#yAxisFormatter', function() {
    var tests = [
      {m:'undefined to 0',i:undefined,e:0},
      {m:'NaN to 0',i:NaN,e:0},
      {m:'0 to 0',i:'0',e:'0'},
      {m:'1000 to 1K',i:'1000',e:'1K'},
      {m:'1000000 to 1M',i:'1000000',e:'1M'},
      {m:'1000000000 to 1B',i:'1000000000',e:'1B'},
      {m:'1000000000000 to 1T',i:'1000000000000',e:'1T'},
      {m:'1048576 to 1.049M',i:'1048576',e:'1.049M'},
      {m:'1073741824 to 1.074B',i:'1073741824',e:'1.074B'}
    ];
    tests.forEach(function(test) {
      it(test.m + ' ', function () {
        expect(chartLinearTimeView.yAxisFormatter(test.i)).to.equal(test.e);
      });
    });
  });

  describe('#checkSeries', function() {
    var tests = [
      {m:'undefined - false',i:undefined,e:false},
      {m:'NaN - false',i:NaN,e:false},
      {m:'object without data property - false',i:[{}],e:false},
      {m:'object with empty data property - false',i:[{data:[]}],e:false},
      {m:'object with invalid data property - false',i:[{data:[1]}],e:false},
      {m:'object with valid data property - true',i:[{data:[{x:1,y:1},{x:2,y:2}]}],e:true}
    ];
    tests.forEach(function(test) {
      it(test.m + ' ', function () {
        expect(chartLinearTimeView.checkSeries(test.i)).to.equal(test.e);
      });
    });
  });

  describe('#BytesFormatter', function() {
    var tests = [
      {m:'undefined to "0 B"',i:undefined,e:'0 B'},
      {m:'NaN to "0 B"',i:NaN,e:'0 B'},
      {m:'0 to "0 B"',i:0,e:'0 B'},
      {m:'124 to "124 B"',i:124,e:'124 B'},
      {m:'1024 to "1 KB"',i:1024,e:'1 KB'},
      {m:'1536 to "1 KB"',i:1536,e:'1.5 KB'},
      {m:'1048576 to "1 MB"',i:1048576,e:'1 MB'},
      {m:'1073741824 to "1 GB"',i:1073741824,e:'1 GB'},
      {m:'1610612736 to "1.5 GB"',i:1610612736,e:'1.5 GB'}
    ];

    tests.forEach(function(test) {
      it(test.m + ' ', function () {

        expect(App.ChartLinearTimeView.BytesFormatter(test.i)).to.equal(test.e);
      });
    });
  });

  describe('#PercentageFormatter', function() {
    var tests = [
      {m:'undefined to "0 %"',i:undefined,e:'0 %'},
      {m:'NaN to "0 %"',i:NaN,e:'0 %'},
      {m:'0 to "0 %"',i:0,e:'0 %'},
      {m:'1 to "1%"',i:1,e:'1%'},
      {m:'1.12341234 to "1.123%"',i:1.12341234,e:'1.123%'},
      {m:'-11 to "-11%"',i:-11,e:'-11%'},
      {m:'-11.12341234 to "-11.123%"',i:-11.12341234,e:'-11.123%'}
    ];
    tests.forEach(function(test) {
      it(test.m + ' ', function () {
        expect(App.ChartLinearTimeView.PercentageFormatter(test.i)).to.equal(test.e);
      });
    });
  });

  describe('#TimeElapsedFormatter', function() {
    var tests = [
      {m:'undefined to "0 ms"',i:undefined,e:'0 ms'},
      {m:'NaN to "0 ms"',i:NaN,e:'0 ms'},
      {m:'0 to "0 ms"',i:0,e:'0 ms'},
      {m:'1000 to "1000 ms"',i:1000,e:'1000 ms'},
      {m:'120000 to "2 m"',i:120000,e:'2 m'},
      {m:'3600000 to "60 m"',i:3600000,e:'60 m'},
      {m:'5000000 to "1 hr"',i:5000000,e:'1 hr'},
      {m:'7200000 to "2 hr"',i:7200000,e:'2 hr'},
      {m:'90000000 to "1 d"',i:90000000,e:'1 d'}
    ];
    tests.forEach(function(test) {
      it(test.m + ' ', function () {
        expect(App.ChartLinearTimeView.TimeElapsedFormatter(test.i)).to.equal(test.e);
      });
    });
  });

  describe("#getDataForAjaxRequest()", function() {
    var services = {
      yarnService: [],
      hdfsService: []
    };
    var rangeCases = [
      {
        currentTimeIndex: 0,
        customStartTime: 100000,
        customEndTime: 200000,
        fromSeconds: -3599,
        toSeconds: 1,
        title: 'preset time range'
      },
      {
        currentTimeIndex: 8,
        customStartTime: 100000,
        customEndTime: 200000,
        fromSeconds: 100,
        toSeconds: 200,
        title: 'custom time range'
      },
      {
        currentTimeIndex: 8,
        customStartTime: null,
        customEndTime: null,
        fromSeconds: -3599,
        toSeconds: 1,
        title: 'custom time range, no boundaries set'
      }
    ];
    beforeEach(function(){
      sinon.stub(App.HDFSService, 'find', function(){return services.hdfsService});
      sinon.stub(App.YARNService, 'find', function(){return services.yarnService});
      sinon.stub(App, 'dateTime').returns(1000);
      chartLinearTimeView.set('content', null);
    });
    afterEach(function(){
      App.HDFSService.find.restore();
      App.YARNService.find.restore();
      App.dateTime.restore();
    });

    it("content has hostName", function() {
      chartLinearTimeView.set('content', Em.Object.create({
        hostName: 'host1'
      }));
      expect(chartLinearTimeView.getDataForAjaxRequest()).to.be.eql({
        toSeconds: 1,
        fromSeconds: -3599,
        stepSeconds: 15,
        hostName: 'host1',
        nameNodeName: '',
        resourceManager: ''
      });
    });
    it("get Namenode host", function() {
      services.hdfsService = [
        Em.Object.create({
          nameNode: {hostName: 'host1'}
        })
      ];
      expect(chartLinearTimeView.getDataForAjaxRequest()).to.be.eql({
        toSeconds: 1,
        fromSeconds: -3599,
        stepSeconds: 15,
        hostName: '',
        nameNodeName: 'host1',
        resourceManager: ''
      });
      services.hdfsService = [];
    });
    it("get Namenode host HA", function() {
      services.hdfsService = [
        Em.Object.create({
          activeNameNode: {hostName: 'host1'}
        })
      ];
      expect(chartLinearTimeView.getDataForAjaxRequest()).to.be.eql({
        toSeconds: 1,
        fromSeconds: -3599,
        stepSeconds: 15,
        hostName: '',
        nameNodeName: 'host1',
        resourceManager: ''
      });
      services.hdfsService = [];
    });
    it("get resourceManager host", function() {
      services.yarnService = [
        Em.Object.create({
          resourceManager: {hostName: 'host1'}
        })
      ];
      expect(chartLinearTimeView.getDataForAjaxRequest()).to.be.eql({
        toSeconds: 1,
        fromSeconds: -3599,
        stepSeconds: 15,
        hostName: '',
        nameNodeName: '',
        resourceManager: 'host1'
      });
      services.yarnService = [];
    });
    rangeCases.forEach(function (item) {
      it(item.title, function () {
        chartLinearTimeView.setProperties({
          currentTimeIndex: item.currentTimeIndex,
          customStartTime: item.customStartTime,
          customEndTime: item.customEndTime,
          timeUnitSeconds: 3600
        });
        var requestData = Em.Object.create(chartLinearTimeView.getDataForAjaxRequest());
        expect(requestData.getProperties(['fromSeconds', 'toSeconds'])).to.eql({
          fromSeconds: item.fromSeconds,
          toSeconds: item.toSeconds
        });
      });
    });
  });

  describe('#setCurrentTimeIndexFromParent', function () {

    var view,
      cases = [
        {
          parent: 1,
          child: 2,
          result: 2,
          title: 'child and parent have currentTimeRangeIndex'
        },
        {
          parent: undefined,
          child: 2,
          result: 2,
          title: 'only child has currentTimeRangeIndex'
        },
        {
          parent: 1,
          child: undefined,
          result: 1,
          title: 'only parent has currentTimeRangeIndex'
        }
      ],
      isReadyCases = [
        {
          inWidget: true,
          isClusterMetricsWidget: true,
          parentViewIsLoaded: true,
          isReady: false,
          title: 'cluster metrics widget'
        },
        {
          inWidget: true,
          isClusterMetricsWidget: false,
          parentViewIsLoaded: false,
          isReady: true,
          title: 'enhanced service widget'
        },
        {
          inWidget: false,
          isClusterMetricsWidget: false,
          parentViewIsLoaded: true,
          isReady: false,
          title: 'non-widget graph'
        }
      ];

    beforeEach(function () {
      view = App.ChartLinearTimeView.create({
        isReady: true,
        controller: {},
        parentView: Em.Object.create({
          currentTimeRangeIndex: 1,
          isLoaded: true,
          parentView: Em.Object.create({
            currentTimeRangeIndex: 2
          })
        }),
        timeUnitSecondsSetter: Em.K
      });
    });

    cases.forEach(function (item) {
      it(item.title, function () {
        view.set('parentView.currentTimeRangeIndex', item.child);
        view.set('parentView.parentView.currentTimeRangeIndex', item.parent);
        view.propertyDidChange('parentView.currentTimeRangeIndex');
        expect(view.get('currentTimeIndex')).to.equal(item.result);
      });
    });

    isReadyCases.forEach(function (item) {

      describe(item.title, function () {

        beforeEach(function () {
          sinon.stub(App.ajax, 'abortRequests', Em.K);
          view.set('inWidget', item.inWidget);
          view.set('parentView.isClusterMetricsWidget', item.isClusterMetricsWidget);
          view.propertyDidChange('parentView.currentTimeRangeIndex');
        });

        afterEach(function () {
          App.ajax.abortRequests.restore();
        });

        it('parentView.isLoaded', function () {
          expect(view.get('parentView.isLoaded')).to.eql(item.parentViewIsLoaded);
        });

        it('isReady', function () {
          expect(view.get('isReady')).to.eql(item.isReady);
        });

      });

    });

  });

  describe('#loadDataSuccessCallback', function () {

    beforeEach(function () {
      sinon.stub(chartLinearTimeView, '_refreshGraph', Em.K);
    });

    afterEach(function () {
      chartLinearTimeView._refreshGraph.restore();
    });

    it('should refresh graph', function () {
      var response = {
        key: 'value'
      };
      chartLinearTimeView.loadDataSuccessCallback(response);
      expect(chartLinearTimeView._refreshGraph.calledOnce).to.be.true;
      expect(chartLinearTimeView._refreshGraph.calledWith(response)).to.be.true;
    });
  });

  describe('#setYAxisFormatter', function () {

    var view,
      cases = [
        {
          displayUnit: '%',
          formatter: 'PercentageFormatter'
        },
        {
          displayUnit: 'B',
          formatter: 'BytesFormatter'
        },
        {
          displayUnit: 'ms',
          formatter: 'TimeElapsedFormatter'
        },
        {
          displayUnit: 'kg',
          formatter: 'DefaultFormatter',
          title: 'other display unit'
        },
        {
          formatter: 'DefaultFormatter',
          title: 'no display unit'
        }
      ],
      methodNames = ['PercentageFormatter', 'CreateRateFormatter', 'BytesFormatter', 'TimeElapsedFormatter', 'DefaultFormatter'];

    beforeEach(function () {
      view = App.ChartLinearTimeView.create();
      methodNames.forEach(function (name) {
        sinon.stub(App.ChartLinearTimeView, name, Em.K);
      });
    });

    afterEach(function () {
      methodNames.forEach(function (name) {
        App.ChartLinearTimeView[name].restore();
      });
    });

    cases.forEach(function (item) {
      describe(item.title || item.displayUnit, function () {

        beforeEach(function () {
          view.set('displayUnit', item.displayUnit);
          view.setYAxisFormatter();
          view.yAxisFormatter();
        });

        methodNames.forEach(function (name) {
          it(name, function () {
            expect(App.ChartLinearTimeView[name].callCount).to.equal(Number(name === item.formatter));
          });
        });
      });
    });

  });

  describe('#localeTimeUnit', function () {

    var cases = [
      {
        timeUnitSeconds: 240,
        localeTimeUnit: '1 minute'
      },
      {
        timeUnitSeconds: 172788,
        localeTimeUnit: '719.95 minute'
      },
      {
        timeUnitSeconds: 172800,
        localeTimeUnit: 'day'
      },
      {
        timeUnitSeconds: 1209599,
        localeTimeUnit: 'day'
      },
      {
        timeUnitSeconds: 1209600,
        localeTimeUnit: 'week'
      },
      {
        timeUnitSeconds: 5183999,
        localeTimeUnit: 'week'
      },
      {
        timeUnitSeconds: 5184000,
        localeTimeUnit: 'month'
      },
      {
        timeUnitSeconds: 62207999,
        localeTimeUnit: 'month'
      },
      {
        timeUnitSeconds: 622080000,
        localeTimeUnit: 'year'
      },
      {
        timeUnitSeconds: 700000000,
        localeTimeUnit: 'year'
      }
    ];

    beforeEach(function () {
      sinon.stub(Rickshaw.Fixtures, 'Time').returns({
        unit: function (name) {
          return {
            name: name
          };
        }
      });
    });

    afterEach(function () {
      Rickshaw.Fixtures.Time.restore();
    });

    cases.forEach(function (item) {
      it(item.timeUnitSeconds + 's', function () {
        expect(chartLinearTimeView.localeTimeUnit(item.timeUnitSeconds).name).to.equal(item.localeTimeUnit);
      });
    });

  });

});


describe('App.ChartLinearTimeView.LoadAggregator', function () {

  var aggregator = App.ChartLinearTimeView.LoadAggregator;

  describe("#add()", function () {
    beforeEach(function () {
      sinon.stub(window, 'setTimeout').returns('timeId');
    });
    afterEach(function () {
      window.setTimeout.restore();
    });
    it("timeout started", function () {
      aggregator.set('timeoutId', 'timeId');
      aggregator.get('requests').clear();
      aggregator.add({}, {});
      expect(aggregator.get('requests')).to.not.be.empty;
      expect(window.setTimeout.called).to.be.false;
    });
    it("timeout started (2)", function () {
      aggregator.set('timeoutId', null);
      aggregator.get('requests').clear();
      aggregator.add({}, {});
      expect(aggregator.get('requests')).to.not.be.empty;
      expect(window.setTimeout.calledOnce).to.be.true;
      expect(aggregator.get('timeoutId')).to.equal('timeId');
    });
  });

  describe("#groupRequests()", function () {
    var result;
    beforeEach(function () {
      var requests = [
        {
          name: 'r1',
          context: 'c1',
          fields: ['f1']
        },
        {
          name: 'r2',
          context: 'c2',
          fields: ['f2']
        },
        {
          name: 'r2',
          context: 'c3',
          fields: ['f3', 'f4']
        }
      ];
      result = aggregator.groupRequests(requests);
    });
    it("result['r1'].subRequests.length", function () {
      expect(result.r1.subRequests.length).to.equal(1);
    });
    it("result['r1'].fields.length", function () {
      expect(result.r1.fields.length).to.equal(1);
    });
    it("result['r2'].subRequests.length", function () {
      expect(result.r2.subRequests.length).to.equal(2);
    });
    it("result['r2'].fields.length", function () {
      expect(result.r2.fields.length).to.equal(3);
    });
  });

  describe("#runRequests()", function () {
    beforeEach(function () {
      sinon.stub(aggregator, 'groupRequests', function (requests) {
        return requests;
      });
      sinon.stub(aggregator, 'formatRequestData', function(_request){
        return _request.fields;
      });
      App.ajax.send.restore();
      sinon.stub(App.ajax, 'send', function(){
        return {
          done: Em.K,
          fail: Em.K,
          always: Em.K
        }
      });
    });
    afterEach(function () {
      aggregator.groupRequests.restore();
      aggregator.formatRequestData.restore();
    });
    it("valid request is sent", function () {
      var context = Em.Object.create({
        content: {
          hostName: 'host1'
        },
        runningRequests: []
      });
      var requests = {
        'r1': {
          name: 'r1',
          context: context,
          fields: ['f3', 'f4']
        }
      };
      aggregator.runRequests(requests);
      var args = testHelpers.findAjaxRequest('name', 'r1');
      expect(args[0]).exists;
      expect(args[0].sender).to.be.eql(context);
      expect(args[0].data).to.be.eql({
        fields: ['f3', 'f4'],
        hostName: 'host1'
      });
    });
  });

  describe("#formatRequestData()", function () {
    var cases = [
      {
        currentTimeIndex: 0,
        customStartTime: 100000,
        customEndTime: 200000,
        result: 'f3[400,4000,15],f4[400,4000,15]',
        title: 'preset time range'
      },
      {
        currentTimeIndex: 8,
        customStartTime: 100000,
        customEndTime: 200000,
        result: 'f3[100,200,15],f4[100,200,15]',
        title: 'custom time range'
      },
      {
        currentTimeIndex: 8,
        customStartTime: null,
        customEndTime: null,
        result: 'f3[400,4000,15],f4[400,4000,15]',
        title: 'custom time range, no boundaries set'
      }
    ];
    beforeEach(function () {
      sinon.stub(App, 'dateTime').returns(4000000);
    });
    afterEach(function () {
      App.dateTime.restore();
    });
    cases.forEach(function (item) {
      it(item.title, function () {
        var context = Em.Object.create({
          timeUnitSeconds: 3600,
          currentTimeIndex: item.currentTimeIndex,
          customStartTime: item.customStartTime,
          customEndTime: item.customEndTime
        });
        var request = {
          name: 'r1',
          context: context,
          fields: ['f3', 'f4']
        };
        expect(aggregator.formatRequestData(request)).to.equal(item.result);
      });
    });
  });

});