/*********************************************************************************
Copyright (c) 2007 Faruk Can Bilir

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*********************************************************************************/

var Videobox = {

	init: function (options) {
		// init default options
		this.options = Object.extend({
			resizeDuration: 400,	// Duration of height and width resizing (ms)
			initialWidth: 250,		// Initial width of the box (px)
			initialHeight: 250,		// Initial height of the box (px)
			defaultWidth: 425,		// Default width of the box (px)
			defaultHeight: 350,	// Default height of the box (px)
			animateCaption: true	// Enable/Disable caption animation
		}, options || {});

		this.anchors = [];
		$A($$('a')).each(function(el){
			if(el.rel && el.href && el.rel.test('^vidbox', 'i')) {
				el.onclick = this.click.pass(el, this);
				this.anchors.push(el);
				el.href = '#' + el.href;
			}
        		}, this);

		this.overlay = new Element('div').setProperty('id', 'lbOverlay').injectInside(document.body);
		this.center = new Element('div').setProperty('id', 'lbCenter').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);

		this.bottomContainer = new Element('div').setProperty('id', 'lbBottomContainer').setStyle('display', 'none').injectInside(document.body);
		this.bottom = new Element('div').setProperty('id', 'lbBottom').injectInside(this.bottomContainer);
		new Element('a').setProperties({id: 'lbCloseLink', href: '#'}).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
		this.caption = new Element('div').setProperty('id', 'lbCaption').injectInside(this.bottom);
		this.number = new Element('div').setProperty('id', 'lbNumber').injectInside(this.bottom);
		new Element('div').setStyle('clear', 'both').injectInside(this.bottom);

		var nextEffect = this.nextEffect.bind(this);
		this.fx = {
			overlay: this.overlay.effect('opacity', {duration: 500}).hide(),
			center: this.center.effects({duration: 500, transition: Fx.Transitions.sineInOut, onComplete: nextEffect}),
			bottom: this.bottom.effect('margin-top', {duration: 400})
		};

	},

	click: function(link) {
     		return this.open (link.href, link.title, link.rel);

	},
	open: function(sLinkHref, sLinkTitle, sLinkRel) {
		this.href = sLinkHref;
		this.title = sLinkTitle;
		this.rel = sLinkRel;
		this.position();
		this.setup();
		this.video(this.href);
		this.top = Window.getScrollTop() + (Window.getHeight() / 15);
		this.center.setStyles({top: this.top+'px', display: ''});
		this.fx.overlay.start(0.8);
		this.step = 1;
		this.center.setStyle('background','#fff url(/common/images/loading.gif) no-repeat center');
		this.caption.innerHTML = this.title;
		this.fx.center.start({'height': [this.options.contentsHeight]});
	},

	setup: function(){
		var aDim = this.rel.match(/[0-9]+/g);
		this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defaultWidth;
		this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defaultHeight;

	},

	position: function(){
	
	//Original
		arrayPageSize = getPageSize();
		arrayPageSize[1]=arrayPageSize[1]+15;
	//Original
	
		this.overlay.setStyles({top: 0+'px', height: arrayPageSize[1]+'px'});
	},

	video: function(sLinkHref){
		if (sLinkHref.match(/youtube\.com\/watch/i)) {
			var hRef = sLinkHref.split('#');
			var videoId = hRef[1].split('=');
			this.videoID = videoId[1];
			this.so = new SWFObject("http://www.youtube.com/v/"+this.videoID, "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");
			this.so.addParam("wmode", "transparent");
		}
		else if (sLinkHref.match(/metacafe\.com\/watch/i)) {
			var hRef = sLinkHref.split('#');
			var videoId = hRef[1].split('/');
			this.videoID = videoId[4];
			this.so = new SWFObject("http://www.metacafe.com/fplayer/"+this.videoID+"/.swf", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");
			this.so.addParam("wmode", "transparent");
		}
		else if (sLinkHref.match(/google\.com\/videoplay/i)) {
			var hRef = sLinkHref.split('#');
			var videoId = hRef[1].split('=');
			this.videoID = videoId[1];
			this.so = new SWFObject("http://video.google.com/googleplayer.swf?docId="+this.videoID+"&hl=en", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");
			this.so.addParam("wmode", "transparent");
		}
		else if (sLinkHref.match(/ifilm\.com\/video/i)) {
			var hRef = sLinkHref.split('#');
			var videoId = hRef[1].split('video/');
			this.videoID = videoId[1];
			this.so = new SWFObject("http://www.ifilm.com/efp", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0", "#000");
			this.so.addVariable("flvbaseclip", this.videoID+"&");
			this.so.addParam("wmode", "transparent");
		}
		else {
			var videoId = sLinkHref.split('#');
			this.videoID = videoId[1];
			this.so = new SWFObject(this.videoID, "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");
		}
	},

	nextEffect: function(){
		switch (this.step++){
		case 1:
			this.fx.center.start({'width': [this.options.contentsWidth], 'marginLeft': [this.options.contentsWidth/-2]});
			break;
			this.step++;
		case 2:
			this.center.setStyle('background','#fff');
			this.so.write(this.center);
			this.bottomContainer.setStyles({top: (this.top + this.center.clientHeight)+'px', height: '0px', marginLeft: this.center.style.marginLeft, width: this.options.contentsWidth+'px',display: ''});
			if (this.options.animateCaption){
				this.fx.bottom.set(-this.bottom.offsetHeight);
				this.bottomContainer.style.height = '';
				this.fx.bottom.start(0);
				break;
			}
			this.bottomContainer.style.height = '';
			this.step++;
		}
	},

	close: function(){
		this.fx.overlay.start(0);
		this.center.style.display = this.bottomContainer.style.display = 'none';
		this.center.innerHTML = '';
		return false;
	}

};

// -----------------------------------------------------------------------------------

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.com
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	
//	console.log(self.innerWidth);
//	console.log(document.documentElement.clientWidth);

	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

//	console.log("xScroll " + xScroll)
//	console.log("windowWidth " + windowWidth)

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
//	console.log("pageWidth " + pageWidth)

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


window.addEvent('domready', Videobox.init.bind(Videobox));