/*
Based on class Slideshow by Aeron Glemann, <http://electricprism.com/aeron/slideshow>.
*/
JaSlideshowClass = new Class({
	initialize: function(options) {
		
		this.options = options;
		if(!Cookie.get("JASLIDESHOWPLAY")){ Cookie.set("JASLIDESHOWPLAY", this.options.play, {duration: 1}); }
		//Update the images and thumbnail url
		this.options.images.each (function(img,i){
			if (!img.test('http://')) this.options.images[i] = this.options.siteurl+this.options.url+img;
		}.bind(this));
		this.options.thumbnails.each (function(img,i){
			if (!img.test('http://')) this.options.thumbnails[i] = this.options.siteurl+this.options.url+img;
		}.bind(this));

		if(this.options.play){
			this.play = this.options.play;
		}
		else{
			this.play = Cookie.get("JASLIDESHOWPLAY")=='play'?1:0;
		}			
		
		if (this.options.images.length <= 1) { return; }
		if (this.options.pan != 'rand') {
			if (isNaN(this.options.pan.toInt()) || this.options.pan.toInt() < 0 || this.options.pan.toInt() > 100) { this.options.pan = 0; }
		}
		if (this.options.zoom != 'rand') {
			if (isNaN(this.options.zoom.toInt()) || this.options.zoom.toInt() < 0 || this.options.zoom.toInt() > 100) { this.options.zoom = 0; }
		}
		this.elementdiv = $('ja-slideshow-case');
		this.bardiv = $('ja-slidebar');
		this.image = img = $E('img', this.elementdiv);
		this.fx = [];
		
		this.start();
	},
	start: function() {
		this.elementdiv.setHTML('');
		this.image.setStyles({display: 'block', position: 'absolute', left: '0', top: '0', zIndex: 1});
		this.image.injectInside(this.elementdiv);
		this.setSize();
		this.elementdiv.setStyles({display: 'block', position: 'relative', width: this.width + 'px'});
		this.div = new Element('div', {'class': 'ja-slideshowimage'});
		this.div.setStyles({display: 'block', height: (this.height + 'px'), overflow: 'hidden', position: 'relative', width: (this.width + 'px')});
		this.div.injectInside(this.elementdiv);
		this.image.injectInside(this.div);
		/*
		if (this.options.captions)
		{
			this.image.setProperty('alt', this.options.captions[0]);
			this.image.setProperty('title', this.options.captions[0]);
		}
		*/
		if (this.options.urls) {
			this.image.url = this.options.urls[0];
			this.image.style.cursor = "pointer";
			this.image.onclick = function() {
				location.href = this.url;
			}
		}
		this.imageAF = this.image.clone();
		this.imageAF.setStyle('opacity', 0);
		this.imageAF.injectAfter(this.image);
		if (this.options.navigation) { this.navigation(); }
		if ($type(this.options.captions) == 'array') {
			this.p = new Element('div');
			this.p.className = "description ja-slideshowdesc";
			this.p.setOpacity(0.75);
			if (!this.options.captions[0]) { this.p.className = "description-hidden"; }
			this.p.setHTML(this.options.captions[0]);
			this.p.injectInside(this.elementdiv);
		}
		this.direction = 'left';
		this.current = [1, 1, 0];
		this.timer = (this.timer) ? [0] : [(new Date).getTime() + this.options.duration[1], 0];
		this.loader = new Image();
		this.loader.src = this.options.url + this.options.images[this.current[0]].trim();

		if ($('jsnav0')) $('jsnav0').addClass('active');
		if (this.play==1){ this.preload();}
	},
	setSize: function () {
		obj = this.image.getCoordinates();
		this.height = ((this.options.height) ? this.options.height : obj['height']);
		this.width = ((this.options.width) ? this.options.width : obj['width']);
	},
	resize: function () {
		dh = this.height / this.loader.height;
		dw = this.width / this.loader.width;
		n = (dw > dh) ? dw : dh;
		if (this.options.resize) { img.setStyles({height: Math.ceil(this.loader.height * n) + 'px', width: Math.ceil(this.loader.width * n) + 'px'}); }
	},
	preload: function(fast) {
		
		if (this.loader.complete && ((new Date).getTime() > this.timer[0])) {
			//Change active on navigation
			if ($('jsnav'+this.current[2])) $('jsnav'+this.current[2]).removeClass ('active');
			if ($('jsnav'+this.current[0])) $('jsnav'+this.current[0]).addClass ('active');
			img = (this.current[1] % 2) ? this.imageAF : this.image;
			img.setStyles({height: 'auto', opacity: 0, width: 'auto', zIndex: this.current[1]});
			//check	
			img.setProperty('src', this.loader.src);
			/*
			if (this.options.captions)
			{
				img.setProperty('alt', this.options.captions[this.current[0]]);
				img.setProperty('title', this.options.captions[this.current[0]]);
			}
			*/
			
			if (this.options.urls) {
				img.url = this.options.urls[this.current[0]];
				img.style.cursor = "pointer";
				img.onclick = function() {
					location.href = this.url;
				}
			} else {
				img.url = "";
				img.style.cursor = "";
				img.onclick = function() { }
			}
			this.resize();
			/*if (fast) {
				img.setStyles({left: '0px', opacity: 1, top: '0px'});
				if ($type(this.options.captions) == 'array') { this.p.setHTML(this.options.captions[this.current[0]]).setStyle('opacity', 1); }
				return this.loaded();
			}*/
			this.fx = [];
			if ($type(this.options.captions) == 'array') {
				if (this.options.caption_effect.test(/fade/)) {
					fn = function(i) {
						if (this.options.captions && this.options.captions[i]) { this.p.className = "description ja-slideshowdesc"; this.p.setHTML(this.options.captions[i]); }
						else{ this.p.setHTML(''); this.p.className = "description-hidden"; return; }
						fx = new Fx.Style(this.p, 'opacity',{duration: 800});
						fx.start(0, 0.75);
						this.fx.push(fx);
					}.pass(this.current[0], this);
					fx = new Fx.Style(this.p, 'opacity', {onComplete: fn, duration: 800});
					fx.start(this.p.getStyle('opacity'), 0);
					this.fx.push(fx);
				}
				if (this.options.caption_effect.test(/moveup/)) {
					fn = function(i) {
						if (this.options.captions && this.options.captions[i]) { 
						this.p.setStyle ('bottom', -1000);
						this.p.className = "description ja-slideshowdesc"; this.p.setHTML(this.options.captions[i]); }
						else{ this.p.setHTML(''); this.p.className = "description-hidden"; return; }
						fx = new Fx.Style(this.p, 'bottom',{duration: 800});
						fx.start(-this.p.offsetHeight, 0);
						this.fx.push(fx);
					}.pass(this.current[0], this);
					fx = new Fx.Style(this.p, 'bottom', {onComplete: fn, duration: 800});
					fx.start(this.p.getStyle('bottom').toInt(), -this.p.offsetHeight-40);
					this.fx.push(fx);
				}
			}
			if (this.options.type.test(/push|wipe/)) {
				img.setStyles({left: 'auto', right: 'auto'});
				img.setStyle(this.direction, this.width + 'px');
				img.setStyle('opacity', 1);
				if (this.options.type == 'wipe') {
					fx = new Fx.Style(img, this.direction, {duration: this.options.duration[0], transition: this.options.transition, onComplete: this.complete.bind(this)});
					fx.start(this.width, 0);
					this.fx.push(fx);
				}
				else {
					arr = [img, ((this.current[1] % 2) ? this.image : this.imageAF)];
					p0 = {};
					p0[this.direction] = [this.width, 0];
					p1 = {};
					p1[this.direction] = [0, (this.width * -1)];
					if (arr[1].getStyle(this.direction) == 'auto') {
						x = this.width - arr[1].getStyle('width').toInt();
						arr[1].setStyle(this.direction, x + 'px');
						arr[1].setStyle(((this.direction == 'left') ? 'right' : 'left'), 'auto');
						p1[this.direction] = [x, (this.width * -1)];
					}
					fx = new Fx.Elements(arr, {duration: this.options.duration[0], transition: this.options.transition, onComplete: this.complete.bind(this)});
					fx.start({'0': p0, '1': p1});
					this.fx.push(fx);
				}
			}
			else {
				img.setStyles({left: 'auto', top: 'auto', right: 'auto', bottom: 'auto'});
				arr = ['left top', 'right top', 'left bottom', 'right bottom'][this.current[1] % 4].split(' ');
				if((this.options.type).test(/zoom|combo/)) {
					arr.each(function(p) { img.setStyle(p, 0); });
				}
				zoom = ((this.options.type).test(/zoom|combo/)) ? this.zoom() : {};
				pan = ((this.options.type).test(/pan|combo/)) ? this.pan() : {};
				fx = new Fx.Style(img, 'opacity', {duration: this.options.duration[0]});
				fx.start(0, 1);
				this.fx.push(fx);
				fx = new Fx.Styles(img, {duration: (this.options.duration[0] + this.options.duration[1]), transition: Fx.Transitions.linear, onComplete: this.complete.bind(this)});
				fx.start(Object.extend(zoom, pan));
				this.fx.push(fx);
			}
			this.loaded();
			
			//Active/Deactive navigation item
		}
		else { this.timeout = this.preload.delay(100, this); }
	},
	complete: function() {
		if (this.play==0){$clear(this.timeout);}
		if(this.onComplete){ this.onComplete(this.current); }
	},
	loaded: function() {
		if(this.onWalk){ this.onWalk(this.current); }
		if (this.ul) {
			anchors = $ES('a[name]', this.ul);
			anchors.each(function(a, i) {
				if (i == this.current[0]) { a.addClass(this.options.classes[2]); }
				else { a.removeClass(this.options.classes[2]); }
			}, this);
		}
		this.direction = 'left';
		this.current[2] = this.current[0];
		this.current[0] = (this.current[0] == this.options.images.length - 1) ? 0 : this.current[0] + 1;
		this.current[1]++;
		this.timer[0] = (new Date).getTime() + this.options.duration[1] + ((this.options.type.test(/fade|push|wipe/)) ? this.options.duration[0] : 0);
		this.timer[1] = (new Date).getTime() + this.options.duration[0];
		this.loader = new Image();
		//this.loader.src = 'http://localhost/1.5/edenite/' + this.options.url + this.options.images[this.current[0]].trim();
		//alert(this.siteurl);
		this.loader.src = this.options.images[this.current[0]].trim();
		//alert(this.options.url);
		this.preload();
	},
	zoom: function() {
		z = (this.options.zoom == 'rand') ? Math.random() + 1 : (this.options.zoom.toInt() / 100.0) + 1;
		eh = Math.ceil(this.loader.height * n);
		ew = Math.ceil(this.loader.width * n);
		sh = parseInt(eh * z);
		sw = parseInt(ew * z);
		return {height: [sh, eh], width: [sw, ew]};
	},
	pan: function() {
		p = (this.options.pan == 'rand') ? Math.random() : Math.abs((this.options.pan.toInt() / 100.0) - 1);
		ex = (this.width - img.width);
		ey = (this.height - img.height);
		sx = parseInt(ex * p);
		sy = parseInt(ey * p);
		obj = {};
		if (dw > dh) { obj[arr[1]] = [sy, ey] }
		else { obj[arr[0]] = [sx, ex]; }
		return obj;
	},
	navigation: function() {
		this.ul = new Element('ul');
		if (this.options.navigation.test(/arrows|number/)) {
			li = new Element('li');
			a = new Element('a');
			a.addClass(this.options.classes[0]);
			a.innerHTML = '&laquo;';
			a.addEvent(this.options.mouse_action, function() {
				var nextitem = (this.current[0] < 2) ? this.options.images.length - (2 - this.current[0]) : this.current[0] - 2;
				if (this.current[2] == nextitem) return;
				if (this.options.navigation.test(/fast/) || (new Date).getTime() > this.timer[1]) {
					$clear(this.timeout);
					if (this.options.navigation.test(/fast/)) {
						this.fx.each(function(fx) {
							fx.time = fx.options.duration = 0;
							fx.stop(true);
						});
					}
					this.direction = 'right';
					this.current[0] = nextitem;
					this.timer = [0];
					this.loader = new Image();
					this.loader.src = this.options.url + this.options.images[this.current[0]].trim();
					this.preload(this.options.navigation.test(/fast/));
				}
			}.bind(this));
			a.injectInside(li);
			li.injectInside(this.ul);
		}
		if (this.options.navigation.test(/arrows\+|thumbnails|number/)) {
			for (i = 0; i < this.options.images.length; i++) {
				li = new Element('li',{id:'jsnav'+i});
				a = new Element('a');
				a.setProperty('name', i);
				if (this.options.navigation.test(/thumbnails/)) {
					//src = this.options.url + this.options.images[i].trim().replace(this.options.thumbnailre[0], this.options.thumbnailre[1]);
					src = this.options.url + this.options.thumbnails[i].trim();
					a.setStyle('background-image', 'url(' + src + ')');
					if (this.options.twidth) a.setStyle('width', this.options.twidth);
					if (this.options.theight) a.setStyle('height', this.options.theight);
				}
				if(this.options.navigation.test(/number/)) {
					a.innerHTML = i+1;
				}
				if (i == 0) { a.className = this.options.classes[2]; }
				a.addEvent(this.options.mouse_action, function(i) {
				//a.onclick = function(i) {
					if (this.current[2] == i) return;
					if (this.options.navigation.test(/fast/) || (new Date).getTime() > this.timer[1]) {
						$clear(this.timeout);
						if (this.options.navigation.test(/fast/)) {
							this.fx.each(function(fx) {
								fx.time = fx.options.duration = 0;
								fx.stop(true);
							});
						}
						this.direction = (i < this.current[0] || this.current[0] == 0) ? 'right' : 'left';
						this.current[0] = i;
						this.timer = [0];
						this.loader = new Image();
						this.loader.src = this.options.url + this.options.images[this.current[0]].trim();
						this.preload(this.options.navigation.test(/fast/));
					}
				}.pass(i, this));
				a.injectInside(li);
				li.injectInside(this.ul);
			}
		}
		if (this.options.navigation.test(/arrows|number/)) {
			li = new Element('li');
			a = new Element('a');
			a.addClass(this.options.classes[1]);
			a.innerHTML = '&raquo;';
			a.addEvent(this.options.mouse_action, function() {
			//a.onclick = function() {
				if (this.options.navigation.test(/fast/) || (new Date).getTime() > this.timer[1]) {
					$clear(this.timeout);
					if (this.options.navigation.test(/fast/)) {
						this.fx.each(function(fx) {
							fx.time = fx.options.duration = 0;
							fx.stop(true);
						});
					}
					this.timer = [0];
					this.preload(this.options.navigation.test(/fast/));
				}
			}.bind(this));
			a.injectInside(li);
			li.injectInside(this.ul);
		}
		this.buttonsp();
		this.ul.injectInside(this.bardiv);
	},
	buttonsp: function () {
			li = new Element('li');
			li.addClass("pause");
			a = new Element('a');
			a.addClass("ps");
			
			if(this.play==1){
				a.innerHTML = "<img src=\"" + this.options.siteurl + "/modules/mod_jaslideshow/ja_slideshow/img/pause.png\" alt=\"Pause\" title=\"Pause\">";				
			}
			else{
				a.innerHTML = "<img src=\"" + this.options.siteurl + "/modules/mod_jaslideshow/ja_slideshow/img/play.png\" alt=\"Play\" title=\"Play\">";				
			}							
			a.onclick = function(){
				if(this.play==1){					
					$clear(this.timeout);
					a.innerHTML = "<img src=\"" + this.options.siteurl + "/modules/mod_jaslideshow/ja_slideshow/img/play.png\" alt=\"Play\" title=\"Play\">";
					Cookie.set("JASLIDESHOWPLAY", '0', {duration: 365});
					this.play = 0;
				}
				else{
					Cookie.set("JASLIDESHOWPLAY", '1', {duration: 1});
					this.play = 1;
					this.preload(false);
					a.innerHTML = "<img src=\"" + this.options.siteurl + "/modules/mod_jaslideshow/ja_slideshow/img/pause.png\" alt=\"Pause\" title=\"Pause\">";
				}
			}.bind(this);
			a.injectInside(li);
			
			li.injectInside(this.ul);
	}
});