(function() {
  describe('VideoSpeedControl', function() {
    var state, videoPlayer, videoControl, videoSpeedControl;

    function initialize() {
      loadFixtures('video_all.html');
      state = new Video('#example');
      videoPlayer = state.videoPlayer;
      videoControl = state.videoControl;
      videoSpeedControl = state.videoSpeedControl;
    }

    beforeEach(function() {
      oldOTBD = window.onTouchBasedDevice;
      window.onTouchBasedDevice = jasmine.createSpy('onTouchBasedDevice').andReturn(false);
    });


    afterEach(function() {
      $('source').remove();
      window.onTouchBasedDevice = oldOTBD;
    });

    describe('constructor', function() {
      describe('always', function() {
        beforeEach(function() {
          initialize();
        });

        it('add the video speed control to player', function() {
          var li, secondaryControls;
          secondaryControls = $('.secondary-controls');
          li = secondaryControls.find('.video_speeds li');
          expect(secondaryControls).toContain('.speeds');
          expect(secondaryControls).toContain('.video_speeds');
          expect(secondaryControls.find('p.active').text()).toBe('1.0x');
          expect(li.filter('.active')).toHaveData('speed', videoSpeedControl.currentSpeed);
          expect(li.length).toBe(videoSpeedControl.speeds.length);
          $.each(li.toArray().reverse(), function(index, link) {
            expect($(link)).toHaveData('speed', videoSpeedControl.speeds[index]);
            expect($(link).find('a').text()).toBe(videoSpeedControl.speeds[index] + 'x');
          });
        });

        it('add ARIA attributes to speed control', function () {
          var speedControl = $('div.speeds>a');
          expect(speedControl).toHaveAttrs({
            'role': 'button',
            'title': 'Speeds',
            'aria-disabled': 'false'
          }); 
        });

        it('bind to change video speed link', function() {
          expect($('.video_speeds a')).toHandleWith('click', videoSpeedControl.changeVideoSpeed);
        });
      });

      describe('when running on touch based device', function() {
        beforeEach(function() {
          window.onTouchBasedDevice.andReturn(true);
          initialize();
        });

        it('open the speed toggle on click', function() {
          $('.speeds').click();
          expect($('.speeds')).toHaveClass('open');
          $('.speeds').click();
          expect($('.speeds')).not.toHaveClass('open');
        });
      });

      describe('when running on non-touch based device', function() {
        beforeEach(function() {
          initialize();
        });

        it('open the speed toggle on hover', function() {
          $('.speeds').mouseenter();
          expect($('.speeds')).toHaveClass('open');
          $('.speeds').mouseleave();
          expect($('.speeds')).not.toHaveClass('open');
        });

        it('close the speed toggle on mouse out', function() {
          $('.speeds').mouseenter().mouseleave();
          expect($('.speeds')).not.toHaveClass('open');
        });

        it('close the speed toggle on click', function() {
          $('.speeds').mouseenter().click();
          expect($('.speeds')).not.toHaveClass('open');
        });
        // Tabbing depends on the following order:
        // 1. Play anchor
        // 2. Speed anchor
        // 3. A number of speed entry anchors
        // 4. Volume anchor
        // If an other focusable element is inserted or if the order is changed, things will 
        // malfunction as a flag, state.previousFocus, is set in the 1,3,4 elements and is
        // used to determine the behavior of foucus() and blur() for the speed anchor.
        it('checks for a certain order in focusable elements in video controls', function() {
          var playIndex, speedIndex, firstSpeedEntry, lastSpeedEntry, volumeIndex, foundFirst = false;
          $('.video-controls').find('a, :focusable').each(function(index) {
            if ($(this).hasClass('video_control')) {
              playIndex = index;
            }
            else if ($(this).parent().hasClass('speeds')) {
              speedIndex = index;
            }
            else if ($(this).hasClass('speed_link')) {
              if (!foundFirst) {
                firstSpeedEntry = index;
                foundFirst = true;
              }
              lastSpeedEntry = index;
            }
            else if ($(this).parent().hasClass('volume')) {
              volumeIndex = index;
            }
          });
          expect(playIndex+1).toEqual(speedIndex);
          expect(speedIndex+1).toEqual(firstSpeedEntry);
          expect(lastSpeedEntry+1).toEqual(volumeIndex);
        });
      });
    });

    describe('changeVideoSpeed', function() {
      // This is an unnecessary test. The internal browser API, and YouTube API
      // detect (and do not do anything) if there is a request for a speed that
      // is already set.
      //
      //     describe("when new speed is the same") ...

      describe('when new speed is not the same', function() {
        beforeEach(function() {
          initialize();
          videoSpeedControl.setSpeed(1.0);
          spyOn(videoPlayer, 'onSpeedChange').andCallThrough();

          $('li[data-speed="0.75"] a').click();
        });

        it('trigger speedChange event', function() {
          expect(videoPlayer.onSpeedChange).toHaveBeenCalled();
          expect(videoSpeedControl.currentSpeed).toEqual(0.75);
        });
      });

      describe('make sure the speed control gets the focus afterwards', function() {
        var anchor;
        beforeEach(function() {
          initialize();
          anchor= $('.speeds > a').first();
          videoSpeedControl.setSpeed(1.0);
          spyOnEvent(anchor, 'focus');
        });

        it('when the speed is the same', function() {
          $('li[data-speed="1.0"] a').click();
          expect('focus').toHaveBeenTriggeredOn(anchor);
        });

        it('when the speed is not the same', function() {
          $('li[data-speed="0.75"] a').click();
          expect('focus').toHaveBeenTriggeredOn(anchor);
        });
      });
    });

    describe('onSpeedChange', function() {
      beforeEach(function() {
        initialize();
        $('li[data-speed="1.0"] a').addClass('active');
        videoSpeedControl.setSpeed(0.75);
      });

      it('set the new speed as active', function() {
        expect($('.video_speeds li[data-speed="1.0"]')).not.toHaveClass('active');
        expect($('.video_speeds li[data-speed="0.75"]')).toHaveClass('active');
        expect($('.speeds p.active')).toHaveHtml('0.75x');
      });
    });
  });

}).call(this);
