Object.extend(String.prototype, {
  // if a string doesn't end with str it appends it
  ensureEndsWith: function(str) {
    return this.endsWith(str) ? this : this + str;
  },
  
  // makes sure that string ends with px (for setting widths and heights)
  px: function() {
    return this.ensureEndsWith('px');
  }
});

Object.extend(Number.prototype, {
  // makes sure that number ends with px (for setting widths and heights)
  px: function() {
    return this.toString().px();
  }
});

var Window = {
  // returns correct dimensions for window, had issues with prototype's sometimes. this was ganked from apple.
  size: function() {
		var width  = window.innerWidth || (window.document.documentElement.clientWidth || window.document.body.clientWidth);
		var height = window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight);
		var x      = window.pageXOffset || (window.document.documentElement.scrollLeft || window.document.body.scrollLeft);
		var y      = window.pageYOffset || (window.document.documentElement.scrollTop || window.document.body.scrollTop);
		return {'width':width, 'height':height, 'x':x, 'y':y}
	}
}

var FancyZoomBox = {
    directory: '/images/fancy_zoom_black',
    zooming: false,
    setup: false,

    init: function (directory) {
        if (FancyZoomBox.setup) return;
        FancyZoomBox.setup = true;

        var ie = navigator.userAgent.match(/MSIE\s(\d)+/);
        if (ie) {
            var version = parseInt(ie[1]);
            Prototype.Browser['IE' + version.toString()] = true;
            Prototype.Browser.ltIE7 = (version < 7) ? true : false;
        }

        var html = '<div id="zoom" style="display:none;"> \
                  <table id="zoom_table" style="border-collapse:collapse; width:100%; height:100%;"> \
                    <tbody> \
                      <tr> \
                        <td class="tl" style="background:url(' + FancyZoomBox.directory + '/tl.png) 0 0 no-repeat; width:20px; height:20px; overflow:hidden;" /> \
                        <td class="tm" style="background:url(' + FancyZoomBox.directory + '/tm.png) 0 0 repeat-x; height:20px; overflow:hidden;" /> \
                        <td class="tr" style="background:url(' + FancyZoomBox.directory + '/tr.png) 100% 0 no-repeat; width:20px; height:20px; overflow:hidden;" /> \
                      </tr> \
                      <tr> \
                        <td class="ml" style="background:url(' + FancyZoomBox.directory + '/ml.png) 0 0 repeat-y; width:20px; overflow:hidden;" /> \
                        <td class="mm" style="background:#000; vertical-align:top; padding:10px;"> \
                          <div id="zoom_content"> \
                          </div> \
                        </td> \
                        <td class="mr" style="background:url(' + FancyZoomBox.directory + '/mr.png) 100% 0 repeat-y;  width:20px; overflow:hidden;" /> \
                      </tr> \
                      <tr> \
                        <td class="bl" style="background:url(' + FancyZoomBox.directory + '/bl.png) 0 100% no-repeat; width:20px; height:20px; overflow:hidden;" /> \
                        <td class="bm" style="background:url(' + FancyZoomBox.directory + '/bm.png) 0 100% repeat-x; height:20px; overflow:hidden;" /> \
                        <td class="br" style="background:url(' + FancyZoomBox.directory + '/br.png) 100% 100% no-repeat; width:20px; height:20px; overflow:hidden;" /> \
                      </tr> \
                    </tbody> \
                  </table> \
                  <a href="#" title="Close" id="zoom_close" style="position:absolute; top:0; left:0;"> \
                    <img src="' + FancyZoomBox.directory + '/closebox.png" alt="Close" style="border:none; margin:0; padding:0;" /> \
                  </a> \
                </div>';

        var body = $$('body').first();

        //var overlay_html = '<div id="zoom_overlay"></div>';
        //body.insert(overlay_html);
        body.insert(html);

        FancyZoomBox.zoom = $('zoom');
        FancyZoomBox.zoom_table = $('zoom_table');
        FancyZoomBox.zoom_close = $('zoom_close');
        FancyZoomBox.zoom_content = $('zoom_content');
        FancyZoomBox.zoom_close.observe('click', FancyZoomBox.hide);
        FancyZoomBox.middle_row = $A([$$('td.ml'), $$('td.mm'), $$('td.mr')]).flatten();
        FancyZoomBox.cells = FancyZoomBox.zoom_table.select('td');
        //FancyZoomBox.overlay = $('zoom_overlay');
        // hide zoom if click fired is not inside zoom
        //Element.observe(document, 'click', function(e) {
        /*FancyZoomBox.overlay.observe( 'click', function(e) {

        var click_in_zoom = e.findElement('#zoom'),
        zoom_display  = FancyZoomBox.zoom.getStyle('display');
        if (zoom_display == 'block' && !click_in_zoom) {
        FancyZoomBox.hide(e);
        }
        e.stop();
        });*/

        // esc to close zoom box
        $(document).observe('keyup', function (e) {
            var zoom_display = FancyZoomBox.zoom.getStyle('display');
            if (e.keyCode == Event.KEY_ESC && zoom_display == 'block') {
                FancyZoomBox.hide(e);
            }
        });

        // just use gifs as ie6 and below suck
        if (Prototype.Browser.ltIE7) {
            FancyZoomBox.switchBackgroundImagesTo('gif');
        }
    },

    show: function (e) {
        e.stop();

        if (FancyZoomBox.zooming) return;
        FancyZoomBox.zooming = true;
        //var element            = e.findElement('a');
        var element = e.element();
        //var related_div        = element.content_div;
        var related_div = $('videoContainer');
        var width = (element.zoom_width || related_div.getWidth()) + 60;
        var height = (element.zoom_height || related_div.getHeight()) + 60;
        var d = Window.size();
        var yOffset = document.viewport.getScrollOffsets()[1];
        // ensure that newTop is at least 0 so it doesn't hide close button
        var newTop = Math.max((d.height / 2) - (height / 2) + yOffset, 0);
        var newLeft = (d.width / 2) - (width / 2);
        FancyZoomBox.curTop = e.pointerY();
        FancyZoomBox.curLeft = e.pointerX();
        FancyZoomBox.moveX = -(FancyZoomBox.curLeft - newLeft);
        FancyZoomBox.moveY = -(FancyZoomBox.curTop - newTop);

        FancyZoomBox.zoom.hide().setStyle({
            position: 'absolute',
            top: FancyZoomBox.curTop.px(),
            left: FancyZoomBox.curLeft.px(),
            zIndex: 202
        });
        /*
        FancyZoomBox.overlay.setStyle({
        position	: 'absolute',
        display		: 'block',
        top				: 0,
        left			: 0,
        width			: d.width + 'px',
        height		: d.height + 'px',
        zIndex		: 201,
        opacity	: .3,
        backgroundColor: 'white'
        });*/

        $('zoom_content').insert('<div id="videoPlayer"></div>');
        
        var atag = e.element();
        if (atag.tagName.toLowerCase() == "img")
            atag = e.element().up('a');

        var fileUrl = $(atag)['rel'];
        var date = new Date();
        var fvars = '_videoURL=' + fileUrl + "&date=" + date.getTime();
		if (swfobject.hasFlashPlayerVersion("9.0.18") == true) 
		{
			var params = { wmode: "transparent", allowScriptAccess: "sameDomain", allowFullScreen: "true" };
			swfobject.embedSWF("/flash/videoPlayer.swf?" + fvars, "videoPlayer", "544", "306", "9.0.0", false, false, params);
		}
		else {
		  var videoHtml = '<video id="html5vidpopup" width="544" height="306" src="' + fileUrl + '" autoplay="autoplay" controls="controls"></video>';
		  $('videoPlayer').insert(videoHtml);
		  vid = document.getElementById('html5vidpopup');
		  vid.load();
		  vid.play();
		}
		
        new Effect.Parallel([
			new Effect.Appear(FancyZoomBox.zoom, { sync: true }),
			new Effect.Move(FancyZoomBox.zoom, { x: FancyZoomBox.moveX, y: FancyZoomBox.moveY, sync: true }),
			new Effect.Morph(FancyZoomBox.zoom, {
			    style: {
			        width: width.px(),
			        height: height.px()
			    },
			    sync: true,
			    beforeStart: function (effect) {
			        // middle row height must be set for IE otherwise it tries to be "logical" with the height
			        if (Prototype.Browser.IE) {
			            FancyZoomBox.middle_row.invoke('setStyle', { height: (height - 40).px() });
			        }
			        FancyZoomBox.fixBackgroundsForIE();
			    },
			    afterFinish: function (effect) {
			        //FancyZoomBox.zoom_content.innerHTML = related_div.innerHTML;
			        FancyZoomBox.unfixBackgroundsForIE();
			        FancyZoomBox.zoom_close.show();
			        FancyZoomBox.zooming = false;
			    }
			})
		], { duration: 0.5 });
    },

    show_public: function (fileUrl) {

        if (FancyZoomBox.zooming) return;
        FancyZoomBox.zooming = true;
        //var element            = e.findElement('a');

        //var related_div        = element.content_div;
        var related_div = $('videoContainer');
        var width = (related_div.getWidth()) + 60;
        var height = (related_div.getHeight()) + 60;
        var d = Window.size();
        var yOffset = document.viewport.getScrollOffsets()[1];
        // ensure that newTop is at least 0 so it doesn't hide close button
        var newTop = Math.max((d.height / 2) - (height / 2) + yOffset, 0);
        var newLeft = (d.width / 2) - (width / 2);
        FancyZoomBox.curTop = 0;
        FancyZoomBox.curLeft = 0;
        FancyZoomBox.moveX = -(FancyZoomBox.curLeft - newLeft);
        FancyZoomBox.moveY = -(FancyZoomBox.curTop - newTop);

        FancyZoomBox.zoom.hide().setStyle({
            position: 'absolute',
            top: FancyZoomBox.curTop.px(),
            left: FancyZoomBox.curLeft.px(),
            zIndex: 202
        });
        /*
        FancyZoomBox.overlay.setStyle({
        position	: 'absolute',
        display		: 'block',
        top				: 0,
        left			: 0,
        width			: d.width + 'px',
        height		: d.height + 'px',
        zIndex		: 201,
        opacity	: .3,
        backgroundColor: 'white'
        });
        */
        $('zoom_content').insert('<div id="videoPlayer"></div>');

        var fvars = '_videoURL=' + fileUrl;
        var params = { wmode: "transparent", allowScriptAccess: "sameDomain", allowFullScreen: "true" };
        swfobject.embedSWF("/flash/videoPlayer.swf?" + fvars, "videoPlayer", "544", "306", "9.0.0", false, false, params);

        new Effect.Parallel([
			new Effect.Appear(FancyZoomBox.zoom, { sync: true }),
			new Effect.Move(FancyZoomBox.zoom, { x: FancyZoomBox.moveX, y: FancyZoomBox.moveY, sync: true }),
			new Effect.Morph(FancyZoomBox.zoom, {
			    style: {
			        width: width.px(),
			        height: height.px()
			    },
			    sync: true,
			    beforeStart: function (effect) {
			        // middle row height must be set for IE otherwise it tries to be "logical" with the height
			        if (Prototype.Browser.IE) {
			            FancyZoomBox.middle_row.invoke('setStyle', { height: (height - 40).px() });
			        }
			        FancyZoomBox.fixBackgroundsForIE();
			    },
			    afterFinish: function (effect) {
			        //FancyZoomBox.zoom_content.innerHTML = related_div.innerHTML;
			        FancyZoomBox.unfixBackgroundsForIE();
			        FancyZoomBox.zoom_close.show();
			        FancyZoomBox.zooming = false;
			    }
			})
		], { duration: 0.5 });
    },

    hide: function (e) {
        e.stop();
        if (FancyZoomBox.zooming) return;
        FancyZoomBox.zooming = true;
        /*
        FancyZoomBox.overlay.setStyle({
        width			: '0px',
        height		: '0px',
        display 	: 'none'
        });
        */
        new Effect.Parallel([
			new Effect.Move(FancyZoomBox.zoom, { x: FancyZoomBox.moveX * -1, y: FancyZoomBox.moveY * -1, sync: true }),
			new Effect.Morph(FancyZoomBox.zoom, {
			    style: {
			        width: '1'.px(),
			        height: '1'.px()
			    },
			    sync: true,
			    beforeStart: function (effect) {
			        FancyZoomBox.fixBackgroundsForIE();
			        FancyZoomBox.zoom_content.innerHTML = '';
			        FancyZoomBox.zoom_close.hide();
			    },
			    afterFinish: function (effect) {
			        FancyZoomBox.unfixBackgroundsForIE();
			        FancyZoomBox.zooming = false;
			    }
			}),
			new Effect.Fade(FancyZoomBox.zoom, { sync: true })
		], { duration: 0.5 });
    },

    // switches the backgrounds of the cells and the close image to png's or gif's
    // fixes ie's issues with fading and appearing transparent png's with 
    // no background and ie6's craptacular handling of transparent png's
    switchBackgroundImagesTo: function (to) {
        FancyZoomBox.cells.each(function (td) {
            var bg = td.getStyle('background-image').gsub(/\.(png|gif|none)\)$/, '.' + to + ')');
            td.setStyle('background-image: ' + bg);
        });
        var close_img = FancyZoomBox.zoom_close.firstDescendant();
        var new_img = close_img.readAttribute('src').gsub(/\.(png|gif|none)$/, '.' + to);
        close_img.writeAttribute('src', new_img);
    },

    // prevents the thick black border that happens when appearing or fading png in IE
    fixBackgroundsForIE: function () {
        if (Prototype.Browser.IE7) { FancyZoomBox.switchBackgroundImagesTo('gif'); }
    },

    // swaps back to png's for prettier shadows
    unfixBackgroundsForIE: function () {
        if (Prototype.Browser.IE7) { FancyZoomBox.switchBackgroundImagesTo('png'); }
    }
}

var FancyZoom = Class.create({
	initialize: function(element) {
	  this.options = arguments.length > 1 ? arguments[1] : {};
	  
	  FancyZoomBox.init();
		
		this.element = $(element);
	  
		if (this.element) {
			var temp = this.element.readAttribute('href');
			var pound = temp.indexOf('#');
			if(pound > -1)
				temp = temp.substring(pound);
			
		
		  
			this.element.content_div = $('videoContainer');
  		
  			if(this.element.content_div)
				this.element.content_div.hide();
  			this.element.zoom_width = this.options.width;
  			this.element.zoom_height = this.options.height;
			this.element.observe('click', FancyZoomBox.show);
			
			//this.element.observe('click', this.launch_fancy_zoom);
		}
	},
	show_public: function(videoUrl) {
		FancyZoomBox.show_public(videoUrl);
	}
});