var LB = new Class({
	
	getOptions: function(){
		return {
			initialWidth: 250,
			initialHeight: 250,
			container: document.body,
			useOverlay: false,
			contentColor: '#e7e7e7',
			showNumbers: true,
			showControls: true,
			waitDuration: 2000,
			descClassName: false,
			descMinWidth: 400,
			descMaxWidth: 600,
			movieWidth: 400,
			movieHeight: 300,
			offset: {x:0, y:0},
			fixedTop: false,
			path: 'files/',
			onOpen: Class.empty,
			onClose: Class.empty,
			openFromLink: true,
			relativeToWindow: true,
			initialized_key: false
		};
	},

	initialize: function(className, options){
		this.setOptions(this.getOptions(), options);
		
		this.openClosePos = {};
		this.timer = 0;
		this.contentToLoad = {};
		this.index = 0;
		this.opened = false;
		this.contentObj = {};
		this.containerDefaults = {};
		
		if(this.options.useOverlay){
			this.overlay = new Overlay({container: this.options.container, onClick:this.close.bind(this)});
		}
		
		this.content = $$('.'+className);

		this.container = new Element('div').addClass('LBContainer').injectInside(this.options.container);
		this.iframe = new Element('iframe').setProperties({
			'id': 'LBIframe',
			'name': 'mulitBoxIframe',
			'src': 'javascript:void(0);',
			'frameborder': 1,
			'scrolling': 'no'
		}).setStyles({
			'position': 'absolute',
			'top': -20,
			'left': -20,
			'width': '115%',
			'height': '115%',
			'filter': 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)',
			'opacity': 0
		}).injectInside(this.container);
		this.box = new Element('div').addClass('LBContent').injectInside(this.container);
		
		this.closeButton = new Element('div').addClass('LBClose').injectInside(this.container).addEvent('click', this.close.bind(this));
		
		this.controlsContainer = new Element('div').addClass('LBControlsContainer').injectInside(this.container);
		this.controls = new Element('div').addClass('LBControls').injectInside(this.controlsContainer);
		
		this.nextButton = new Element('div').addClass('LBNext').injectInside(this.controls).addEvent('click', this.next.bind(this));
		this.previousButton = new Element('div').addClass('LBPrevious').injectInside(this.controls).addEvent('click', this.previous.bind(this));
		
		this.title = new Element('div').addClass('LBTitle').injectInside(this.controls);
		this.number = new Element('div').addClass('LBNumber').injectInside(this.controls);
		this.description = new Element('div').addClass('LBDescription').injectInside(this.controls);
		
		
		
		if(this.content.length == 1){
			this.title.setStyles({
				'margin-left': 0
			});
			this.description.setStyles({
				'margin-left': 0
			});
			this.previousButton.setStyle('display', 'none');
			this.nextButton.setStyle('display', 'none');
			this.number.setStyle('display', 'none');
		}
		
		new Element('div').setStyle('clear', 'both').injectInside(this.controls);
		
		this.content.each(function(el,i){
			el.index = i;
			el.addEvent('click', function(e){
				new Event(e).stop();
				this.open(el);
			}.bind(this));
			if(el.rev.indexOf('#') > -1){
				el.content = $(el.rev.substr(el.rev.indexOf('#')+1));
				if(el.content){el.content.setStyle('display','none');}
			}
		}, this);
		
		this.containerEffects = new Fx.Styles(this.container, {duration: 400, transition: Fx.Transitions.sineInOut});
		this.controlEffects = new Fx.Styles(this.controlsContainer, {duration: 300, transition: Fx.Transitions.sineInOut});
		this.reset();

		
	},
	
	setContentType: function(link){
		var str = link.rev.substr(link.rev.lastIndexOf('.')+1).toLowerCase();
		var contentOptions = {};
		if($chk(link.rel)){
			var optArr = link.rel.split(',');
			optArr.each(function(el){
				var ta = el.split(':');
				contentOptions[ta[0]] = ta[1];
			});
		}
		
		if(contentOptions.type != undefined){
			str = contentOptions.type;
		}
		
		this.contentObj = {};
		this.contentObj.url = link.rev;
		this.contentObj.xH = 0;
		
		if(contentOptions.width){
			this.contentObj.width = contentOptions.width;
		}else{
			this.contentObj.width = this.options.movieWidth;
		}
		if(contentOptions.height){
			this.contentObj.height = contentOptions.height;	
		}else{
			this.contentObj.height = this.options.movieHeight;
		}
		if(contentOptions.panel){
			this.panelPosition = contentOptions.panel;
		}else{
			this.panelPosition = this.options.panel;
		}
		
		
		switch(str){
			case 'jpg':
			case 'gif':
			case 'png':
				this.type = 'image';
				break;				
			default:
				this.type = 'iframe';
				break;
		}
	},
	
	reset: function(){
		this.container.setStyles({
			'opacity': 0,
			'display': 'none'
		});
		this.controlsContainer.setStyles({
			'height': 0
		});
		this.removeContent();
		this.previousButton.removeClass('LBButtonDisabled');
		this.nextButton.removeClass('LBButtonDisabled');
		this.opened = false;
	},
	
	getOpenClosePos: function(el){
		if (this.options.openFromLink) {
			if (el.getFirst()) {
				var w = el.getFirst().getCoordinates().width - (this.container.getStyle('border').toInt() * 2);
				if (w < 0) {
					w = 0
				}
				var h = el.getFirst().getCoordinates().height - (this.container.getStyle('border').toInt() * 2);
				if (h < 0) {
					h = 0
				}
				this.openClosePos = {
					width: w,
					height: h,
					top: el.getFirst().getCoordinates().top,
					left: el.getFirst().getCoordinates().left
				};
			}
			else {
				var w = el.getCoordinates().width - (this.container.getStyle('border').toInt() * 2);
				if (w < 0) {
					w = 0
				}
				var h = el.getCoordinates().height - (this.container.getStyle('border').toInt() * 2);
				if (h < 0) {
					h = 0
				}
				this.openClosePos = {
					width: w,
					height: h,
					top: el.getCoordinates().top,
					left: el.getCoordinates().left
				};
			}
		}else{
			if(this.options.fixedTop){
				var top = this.options.fixedTop;
			}else{
				var top = ((window.getHeight()/2)-(this.options.initialHeight/2)-this.container.getStyle('border').toInt())+this.options.offset.y;
			}
			this.openClosePos = {
				width: this.options.initialWidth,
				height: this.options.initialHeight,
				top: top,
				left: ((window.getWidth()/2)-(this.options.initialWidth/2)-this.container.getStyle('border').toInt())+this.options.offset.x
			};
		}
		return this.openClosePos;
	},
	
	open: function(el){
	
		this.options.onOpen();
	
		this.index = this.content.indexOf(el);
		
		this.openId = el.getProperty('id');
		
		if(!this.opened){
			this.opened = true;
			
			if(this.options.useOverlay){
				this.overlay.show();
			}
			
			this.container.setStyles(this.getOpenClosePos(el));
			this.container.setStyles({
				opacity: 0,
				display: 'block'
			});
			
			if(this.options.fixedTop){
				var top = this.options.fixedTop;
			}else{
				var top = ((window.getHeight()/2)-(this.options.initialHeight/2)-this.container.getStyle('border').toInt())+this.options.offset.y;
			}
			
			this.containerEffects.start({
				width: this.options.initialWidth,
				height: this.options.initialHeight,
				top: top,
				left: ((window.getWidth()/2)-(this.options.initialWidth/2)-this.container.getStyle('border').toInt())+this.options.offset.x,
				opacity: [0, 1]
			});
			
			this.load(this.index);
			if (!this.initialized_key) {
				$(window.document).addEvent('keydown',function(e){
					if(e.key == 'right' || e.key == 'space'){ this.next(); }
					else if(e.key == 'left'){ this.previous(); }
					else if(e.key == 'esc'){ this.close(); }
				}.bindWithEvent(this));
			}
			this.initialized_key = true;

		}else{
			if (this.options.showControls) {
				this.hideControls();
			}
			this.getOpenClosePos(this.content[this.index]);
			this.timer = this.hideContent.bind(this).delay(500);
			this.timer = this.load.pass(this.index, this).delay(1100);
		}
		
	},
	
	getContent: function(index){
		this.setContentType(this.content[index]);
		this.photo_id = this.content[index].target;

		this.contentToLoad = {
			title: this.content[index].rel || '&nbsp;',
			descLink: this.content[index].name || '&nbsp;',
			number: index+1
		};
	},
	
	close: function(){
		if(this.options.useOverlay){
			this.overlay.hide();
		}
		if (this.options.showControls) {
			this.hideControls();
		}
		this.hideContent();
		this.containerEffects.stop();
		this.zoomOut.bind(this).delay(500);
		this.options.onClose();
		this.loaded_ok = false;
	},
	
	zoomOut: function(){
		this.containerEffects.start({
			width: this.openClosePos.width,
			height: this.openClosePos.height,
			top: this.openClosePos.top,
			left: this.openClosePos.left,
			opacity: 0
		});
		this.reset.bind(this).delay(500);
	},
	
	load: function(index){
		this.box.addClass('LBLoading');
		this.getContent(index);
		
		if(this.type == 'image'){
			var xH = this.contentObj.xH;
			this.contentObj = new Asset.image(this.content[index].rev, {onload: this.resize.bind(this)});
			this.contentObj.xH = xH;
		}
		this.req = this.createXMLHttpRequest();
		this.sendRequest (this.photo_id);
	},
	
	resize: function(){
		if (this.options.fixedTop) {
			var top = this.options.fixedTop;
		}
		else {
			var top = ((window.getHeight() / 2) - ((Number(this.contentObj.height) + this.contentObj.xH) / 2) - this.container.getStyle('border').toInt() + window.getScrollTop()) + this.options.offset.y;
		}
		var left = ((window.getWidth() / 2) - (this.contentObj.width / 2) - this.container.getStyle('border').toInt()) + this.options.offset.x;
		if (top < 0) {
			top = 0
		}
		if (left < 0) {
			left = 0
		}
		
		this.containerEffects.stop();
		this.containerEffects.start({
			width: this.contentObj.width,
			height: Number(this.contentObj.height) + this.contentObj.xH,
			top: top,
			left: left,
			opacity: 1
		});
		
		if (!this.loaded_ok) {
			this.timer = this.showContent.bind(this).delay(500);
		}
		this.loaded_ok = true;
	},
	
	showContent: function(){
		this.box.removeClass('LBLoading');
		this.removeContent();
		
		this.contentContainer = new Element('div').setProperties({id: 'LBContentContainer'}).setStyles({opacity: 0, width: this.contentObj.width, height: (Number(this.contentObj.height)+this.contentObj.xH)}).injectInside(this.box);
		
		this.contentObj.injectInside(this.contentContainer);
		
		this.contentEffects = new Fx.Styles(this.contentContainer, {duration: 500, transition: Fx.Transitions.linear});
		this.contentEffects.start({
			opacity: 1
		});
		
		this.title.setHTML(this.contentToLoad.title);
		this.number.setHTML(this.contentToLoad.number+' of '+this.content.length+' photos');
		this.description.setHTML('<a href="'+this.contentToLoad.descLink+'">Order a print, license the photo, comment or send e-card</a>');
		
		if (this.options.showControls) {
			this.timer = this.showControls.bind(this).delay(800);
		}
	},
	
	hideContent: function(){
		this.box.addClass('LBLoading');
		this.contentEffects.start({
			opacity: 0
		});
		this.removeContent.bind(this).delay(500);
	},
	
	removeContent: function(){
		if($('LBContentContainer')){
			$('LBContentContainer').remove();	
		}
	},
	
	showControls: function(){
		this.clicked = false;
		
		if(this.container.getStyle('height') != 'auto'){
			this.containerDefaults.height = this.container.getStyle('height')
			this.containerDefaults.backgroundColor = this.options.contentColor;
		}
		
		this.container.setStyles({
			'height': 'auto'
		});
		
		if(this.contentToLoad.number == 1){
			this.previousButton.addClass('LBPreviousDisabled');
		}else{
			this.previousButton.removeClass('LBPreviousDisabled');
		}
		if(this.contentToLoad.number == this.content.length){
			this.nextButton.addClass('LBNextDisabled');
		}else{
			this.nextButton.removeClass('LBNextDisabled');
		}
		
		this.controlEffects.start({'height': this.controls.getStyle('height')});

	},
	
	hideControls: function(num){
		this.controlEffects.start({'height': 0}).chain(function(){
			this.container.setStyles(this.containerDefaults);
		}.bind(this));
	},
	
	showThumbnails: function(){
		
	},
	
	next: function(){
		if(this.index < this.content.length-1){
			this.loaded_ok = false;
			this.index++;
			this.openId = this.content[this.index].getProperty('id');
			if (this.options.showControls) {
				this.hideControls();
			}
			this.getOpenClosePos(this.content[this.index]);
			this.timer = this.hideContent.bind(this).delay(500);
			this.timer = this.load.pass(this.index, this).delay(1100);
		}
	},
	
	previous: function(){
		if(this.index > 0){
			this.loaded_ok = false;
			this.index--;
			this.openId = this.content[this.index].getProperty('id');
			if (this.options.showControls) {
				this.hideControls();
			}
			this.getOpenClosePos(this.content[this.index]);
			this.timer = this.hideContent.bind(this).delay(500);
			this.timer = this.load.pass(this.index, this).delay(1000);
		}
	},

	createXMLHttpRequest: function () {  
	 var ua;  
	 if(window.XMLHttpRequest) {  
	 try {  
	  ua = new XMLHttpRequest();  
	 } catch(e) {  
	  ua = false;  
	 }  
	 } else if(window.ActiveXObject) {  
	  try {  
		ua = new ActiveXObject("Microsoft.XMLHTTP");  
	  } catch(e) {  
		ua = false;  
	  }  
	 }  
	return ua;  
	},
	  
	sendRequest: function (id) {  
	  this.req.open('POST', '/php/updateCount.php',true);
      this.req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      this.req.setRequestHeader("Content-length", id.length);
      this.req.setRequestHeader("Connection", "close");
      this.req.send('id='+id);
	  return false;  
	}
});
LB.implement(new Options);
LB.implement(new Events);