$(function(){
	initMainGallery();
	initGallery();
	// UI Fixes
	$('.noJs').removeClass('noJs');
});


// Home Page Gallery
function initMainGallery(){
	var autoRotation = 10000;
	$('.slideshow').gallery({
		infinite: true,
		listOfSlides:'.image-list-holder > ul > li',
		switcher: '.switcher li',
		autoRotation: autoRotation
	});
	$('.slideshow').gallery({
		listOfSlides:'..text-block > ul > li',
		switcher: '.switcher li',
		effect: true,
		autoRotation: autoRotation
	});
}


// Standard Gallery
function initGallery(){
	var _thumbs = $('.gallery-slider .slider-holder ul li');
	$('.gallery').fadeGallery({
		slideElements: '.gallery-holder ul li',
		pagerLinks: '.gallery-slider .slider-holder ul li',
		btnNext: '.link-next2',
		btnPrev: '.link-prev2',
		duration:700,
		autoRotation:true,
		onChange: function(_this, _slides, _prevIndex, _currentIndex){
			if (_thumbs.eq(_currentIndex).position().left < -parseInt(_this.css('margin-left'))) {
				var _step = _currentIndex * _thumbs.eq(0).outerWidth()
				$('.gallery-slider .slider-holder ul').animate({
					'margin-left': -_step
				}, 700)
				$('.gallery-slider').get(0).curInd = Math.floor(_thumbs.eq(_currentIndex).position().left/$('.gallery-slider .slider-holder').width()) + 1;
				_this.get(0).switchSlide
			}
			if (_thumbs.eq(_currentIndex).position().left > -parseInt(_this.css('margin-left')) + $('.gallery-slider .slider-holder').width()) {
				if (_currentIndex > _thumbs.length-5) _currentIndex = _thumbs.length-5;
				var _step = _currentIndex * _thumbs.eq(0).outerWidth()
				$('.gallery-slider .slider-holder ul').animate({
					'margin-left': -_currentIndex * _thumbs.eq(0).outerWidth()
				}, 700)
				$('.gallery-slider').get(0).curInd = Math.floor(_thumbs.eq(_currentIndex).position().left/$('.gallery-slider .slider-holder').width()) + 1;
				_this.get(0).switchSlide
			}
		}
	})
	$('.gallery-slider').scrollGallery({
		sliderHolder: '.slider-holder',
		btnNext: '.link-next1',
		btnPrev: '.link-prev1',
		duration: 700
	})
}


// main gallery module
(function($) {
	$.fn.gallery = function(options) { return new Gallery(this.get(0), options); };
	
	function Gallery(context, options) { this.init(context, options); };
	
	Gallery.prototype = {
		options:{},
		init: function (context, options){
			this.options = $.extend({
				infinite: false,								//true = infinite gallery
				duration: 700,									//duration of effect it 1000 = 1sec
				slideElement: 1,								//number of elements for a slide
				autoRotation: false,							//false = option is disabled; 1000 = 1sec
				effect: false,									//false = slide; true = fade
				listOfSlides: 'ul > li',						//elements galleries
				switcher: false,								//false = option is disabled; 'ul > li' = elements switcher
				disableBtn: false,								//false = option is disabled; 'hidden' = class adds an buttons "prev" and "next"
				nextBtn: 'a.link-next, a.btn-next, a.next',		//button "next"
				prevBtn: 'a.link-prev, a.btn-prev, a.prev',		//button "prev"
				circle: true,									//true = cyclic gallery; false = not cyclic gallery
				direction: false,								//false = horizontal; true = vertical
				event: 'click',									//event for the buttons and switcher
				IE: false,										//forced off effect it "fade" in IE
				autoHeight: false,								//auto height on fade
				easing: 'swing',
				onStart: function(){},
				onChange: function(){}
			}, options || {});
			var _el = $(context).find(this.options.listOfSlides);
			this.holder = $(context);
			if (this.options.effect) this.list = _el;
			else this.list = _el.parent();
			this.switcher = $(context).find(this.options.switcher);
			this.nextBtn = $(context).find(this.options.nextBtn);
			this.prevBtn = $(context).find(this.options.prevBtn);
			this.count = _el.index(_el.filter(':last'));
			
			if (this.options.switcher) this.active = this.switcher.index(this.switcher.filter('.active:eq(0)'));
			else this.active = _el.index(_el.filter('.active:eq(0)'));
			if (this.active < 0) this.active = 0;
			this.last = this.active;
			
			this.woh = _el.outerWidth(true);
			this.options.onStart(this);
			if (!this.options.direction) this.installDirections(this.list.parent().width());
			else {
				this.woh = _el.outerHeight(true);
				this.installDirections(this.list.parent().height());
			}
			
			if (!this.options.effect) {
				this.rew = this.count - this.wrapHolderW + 1;
				this.list.css({position: 'relative'}).css(this.dirAnimate());
			}
			else {
				this.rew = this.count;
				this.list.css({opacity: 0}).removeClass('active').eq(this.active).addClass('active').css({opacity: 1}).css('opacity', 'auto');
				this.switcher.removeClass('active').eq(this.active).addClass('active');
				if(this.options.autoHeight) this.list.parent().css({height: this.list.eq(this.active).outerHeight()});
			}
			this.flag = true;
			if (this.options.infinite){
				this.count++;
				this.active += this.count;
				this.list.append(_el.clone());
				this.list.append(_el.clone());
				this.list.css(this.dirAnimate());
			}
			
			this.initEvent(this, this.nextBtn, true);
			this.initEvent(this, this.prevBtn, false);
			if (this.options.disableBtn) this.initDisableBtn();
			if (this.options.autoRotation) this.runTimer(this);
			if (this.options.switcher) this.initEventSwitcher(this, this.switcher);
		},
		dirAnimate: function(){
			if (!this.options.direction) return {left: -(this.woh * this.active)};
			else return {top: -(this.woh * this.active)};
		},
		initDisableBtn: function(){
			this.prevBtn.removeClass('prev-'+this.options.disableBtn);
			this.nextBtn.removeClass('next-'+this.options.disableBtn);
			if (this.active == 0 || this.count+1 == this.wrapHolderW) this.prevBtn.addClass('prev-'+this.options.disableBtn);
			if (this.active == 0 && this.count+1 == 1 || this.count+1 <= this.wrapHolderW) this.nextBtn.addClass('next-'+this.options.disableBtn);
			if (this.active == this.rew) this.nextBtn.addClass('next-'+this.options.disableBtn);
		},
		installDirections: function(temp){
			this.wrapHolderW = Math.ceil(temp / this.woh);
			if (((this.wrapHolderW - 1) * this.woh + this.woh / 2) > temp) this.wrapHolderW--;
		},
		fadeElement: function(){
			if ($.browser.msie && this.options.IE){
				this.list.eq(this.last).css({opacity:0});
				this.list.removeClass('active').eq(this.active).addClass('active').css({opacity:'auto'});
			}
			else{
				this.list.eq(this.last).animate({opacity:0}, {queue:false, easing: this.options.easing, duration: this.options.duration});
				this.list.removeClass('active').eq(this.active).addClass('active').animate({
					opacity:1
				}, {queue:false, duration: this.options.duration, complete: function(){
					$(this).css('opacity','auto');
				}});
			}
			if(this.options.autoHeight) this.list.parent().animate({height: this.list.eq(this.active).outerHeight()}, {queue:false, duration: this.options.duration});
			if (this.options.switcher) {
				this.switcher.removeClass('active').eq(this.active).addClass('active');
			}
			this.last = this.active;
		},
		scrollElement: function($this){
			if (!$this.options.infinite) $this.list.stop().animate($this.dirAnimate(), {queue:false, easing: $this.options.easing, duration: $this.options.duration, complete:function(){ $this.options.onChange($this) }});
			else $this.list.stop().animate($this.dirAnimate(), $this.options.duration, $this.options.easing, function(){ $this.flag = true;$this.options.onChange($this); });
			if ($this.options.switcher) {
				$this.switcher.removeClass('active').eq($this.active / $this.options.slideElement - $this.count).addClass('active');
			}
		},
		runTimer: function($this){
			if($this._t) clearTimeout($this._t);
			$this._t = setInterval(function(){
				if ($this.options.infinite) $this.flag = false;
				$this.toPrepare($this, true);
			}, this.options.autoRotation);
		},
		initEventSwitcher: function($this, el){
			el.bind($this.options.event, function(){
				if($this.options.infinite) $this.active = $this.switcher.index($(this)) * $this.options.slideElement + $this.count;
				else $this.active = $this.switcher.index($(this)) * $this.options.slideElement;
				if($this._t) clearTimeout($this._t);
				if ($this.options.disableBtn) $this.initDisableBtn();
				if (!$this.options.effect) $this.scrollElement($this);
				else $this.fadeElement();
				if ($this.options.autoRotation) $this.runTimer($this);
				return false;
			});
		},
		initEvent: function($this, addEventEl, dir){
			addEventEl.bind($this.options.event, function(){
				if ($this.flag){
					if ($this.options.infinite) $this.flag = false;
					if($this._t) clearTimeout($this._t);
					$this.toPrepare($this, dir);
					if ($this.options.autoRotation) $this.runTimer($this);
				}
				return false;
			});
		},
		toPrepare: function($this, side){
			if (!$this.options.infinite){
				if (($this.active == $this.rew) && $this.options.circle && side) $this.active = -$this.options.slideElement;
				if (($this.active == 0) && $this.options.circle && !side) $this.active = $this.rew + $this.options.slideElement;
				for (var i = 0; i < $this.options.slideElement; i++){
					if (side) { if ($this.active + 1 <= $this.rew) $this.active++; }
					else { if ($this.active - 1 >= 0) $this.active--; }
				};
			}
			else{
				if ($this.active >= $this.count + $this.count && side) $this.active -= $this.count;
				if ($this.active <= $this.count-1 && !side) $this.active += $this.count;
				$this.list.css($this.dirAnimate());
				if (side) $this.active += $this.options.slideElement;
				else $this.active -= $this.options.slideElement;
			}
			if (this.options.disableBtn) this.initDisableBtn();
			if (!$this.options.effect) $this.scrollElement($this);
			else $this.fadeElement();
		},
		stop: function(){
			if (this._t) clearTimeout(this._t);
		},
		play: function(){
			if (this._t) clearTimeout(this._t);
			if (this.options.autoRotation) this.runTimer(this);
		}
	}
}(jQuery));