// page init
jQuery.noConflict();
jQuery(function(){
	initMainNav();
	initMoreInfo();
	initSlideshow();
});

// main navigation init
function initMainNav(){
	initNav({
		menuId: "nav",
		cleverMode: true,
		hoverClass: "hover",
		flexibility: true,
		sideClasses: true,
		menuPaddings: 0
	});
};

// homepage slideshow init
function initSlideshow(){
	// homepage slideshow
	jQuery('div.slider').fadeGallery({
		pauseOnHover:true,
		autoRotation:true,
		switchTime:4000, //ms
		duration:700 //ms
	});
	// collections gallery
	jQuery('div.gallery-holder').fadeGallery({
		slideElements:'div.slides > div.slide',
		pagerLinks:'ul.preview > li',
		hideGallery:true,
		event:'mouseenter'
	});
};

// more info init
function initMoreInfo(){
	var openedClass = 'opened';
	jQuery('div.gallery-holder').each(function(){
		var hold = jQuery(this);
		var flag;
		var links = hold.find('ul.preview > li');
		var slides = hold.find('div.slides > div.slide');
		links.each(function(i){
			jQuery(this).click(function(){
				links.removeClass(openedClass);
				slides.removeClass(openedClass);
				jQuery(this).addClass(openedClass);
				slides.eq(i).addClass(openedClass);
				return false;
			});
		});
		jQuery('.preview').mouseleave(function(){
			jQuery('.slides .opened').addClass('active').show().css({opacity: 1});
		});
	});
};

// slideshow plugin
jQuery.fn.fadeGallery = function(_options){
	var _options = jQuery.extend({
		slideElements:'> ul > li',
		pagerGener: false,
		pagerHold: false,
		pagerLinks:'ul.nav-list li',
		btnNext:'a.btn-next',
		btnPrev:'a.btn-prev',
		btnPlayPause:'a.play-pause',
		btnPlay:'a.play',
		btnPause:'a.pause',
		pausedClass:'paused',
		disabledClass: 'disabled',
		playClass:'playing',
		activeClass:'active',
		currentNum:false,
		allNum:false,
		startSlide:null,
		noCircle:false,
		caption:'ul.caption > li',
		pauseOnHover:false,
		autoRotation:false,
		autoHeight:false,
		hideGallery:false,
		onChange:false,
		switchTime:3000,
		duration:0,
		event:'click'
	},_options);

	return this.each(function(){
		// gallery options
		var _this = jQuery(this);
		var _slides = jQuery(_options.slideElements, _this);
		var _btnPrev = jQuery(_options.btnPrev, _this);
		var _btnNext = jQuery(_options.btnNext, _this);
		var _btnPlayPause = jQuery(_options.btnPlayPause, _this);
		var _btnPause = jQuery(_options.btnPause, _this);
		var _btnPlay = jQuery(_options.btnPlay, _this);
		var _pauseOnHover = _options.pauseOnHover;
		var _autoRotation = _options.autoRotation;
		var _activeClass = _options.activeClass;
		var _disabledClass = _options.disabledClass;
		var _pausedClass = _options.pausedClass;
		var _playClass = _options.playClass;
		var _autoHeight = _options.autoHeight;
		var _duration = _options.duration;
		var _switchTime = _options.switchTime;
		var _controlEvent = _options.event;
		var _hideGallery = _options.hideGallery;
		var _currentNum = (_options.currentNum ? jQuery(_options.currentNum, _this) : false);
		var _allNum = (_options.allNum ? jQuery(_options.allNum, _this) : false);
		var _startSlide = _options.startSlide;
		var _noCycle = _options.noCircle;
		var _onChange = _options.onChange;
		var _pagerGener = _options.pagerGener;
		var _pagerHold = jQuery(_options.pagerHold,_this);
		var _caption = jQuery(_options.caption,_this);
		var _paging = '';
		if(_pagerGener){
			for(var i=0; i< _slides.length; i++){
				_paging += '<li><a href="#">'+(i+1)+'</a></li>';
			}
			_pagerHold.html('<ul>'+_paging+'</ul>');
		}
		var _pagerLinks = jQuery(_options.pagerLinks, _this);
		// gallery init
		var _hover = false;
		var _prevIndex = 0;
		var _currentIndex = 0;
		var _slideCount = _slides.length;
		var _timer;
		if(_slideCount < 2) return;

		_prevIndex = _slides.index(_slides.filter('.'+_activeClass));
		if(_prevIndex < 0) _prevIndex = _currentIndex = 0;
		else _currentIndex = _prevIndex;
		if(_startSlide != null) {
			if(_startSlide == 'random') _prevIndex = _currentIndex = Math.floor(Math.random()*_slideCount);
			else _prevIndex = _currentIndex = parseInt(_startSlide);
		}
		_slides.hide().eq(_currentIndex).show();
		_caption.hide().eq(_currentIndex).show();
		if(_autoRotation) _this.removeClass(_pausedClass).addClass(_playClass);
		else _this.removeClass(_playClass).addClass(_pausedClass);
		if (_hideGallery) {
			_pagerLinks.mouseleave(function(){
				_this.removeClass('active-gall');
				_this.find('.slide').removeClass('active');
			});
		}
		// gallery control
		if(_btnPrev.length) {
			_btnPrev.bind(_controlEvent,function(){
				prevSlide();
				return false;
			});
		}
		if(_btnNext.length) {
			_btnNext.bind(_controlEvent,function(){
				nextSlide();
				return false;
			});
		}
		if(_pagerLinks.length) {
			_pagerLinks.each(function(_ind){
				if (jQuery(this).children().length) {
					jQuery(this).bind(_controlEvent,function(){
						if (_hideGallery) _this.addClass('active-gall'); 
						if(_currentIndex != _ind) {
							_prevIndex = _currentIndex;
							_currentIndex = _ind;
							switchSlide();
						}
						return false;
					});
				}
			});
		}

		// play pause section
		if(_btnPlayPause.length) {
			_btnPlayPause.bind(_controlEvent,function(){
				if(_this.hasClass(_pausedClass)) {
					_this.removeClass(_pausedClass).addClass(_playClass);
					_autoRotation = true;
					autoSlide();
				} else {
					_autoRotation = false;
					if(_timer) clearTimeout(_timer);
					_this.removeClass(_playClass).addClass(_pausedClass);
				}
				return false;
			});
		}
		if(_btnPlay.length) {
			_btnPlay.bind(_controlEvent,function(){
				_this.removeClass(_pausedClass).addClass(_playClass);
				_autoRotation = true;
				autoSlide();
				return false;
			});
		}
		if(_btnPause.length) {
			_btnPause.bind(_controlEvent,function(){
				_autoRotation = false;
				if(_timer) clearTimeout(_timer);
				_this.removeClass(_playClass).addClass(_pausedClass);
				return false;
			});
		}
		// gallery animation
		function prevSlide() {
			_prevIndex = _currentIndex;
			if(_currentIndex > 0) _currentIndex--;
			else {
				if(_noCycle) return;
				else _currentIndex = _slideCount-1;
			}
			switchSlide();
		}
		function nextSlide() {
			_prevIndex = _currentIndex;
			if(_currentIndex < _slideCount-1) _currentIndex++;
			else {
				if(_noCycle) return;
				else _currentIndex = 0;
			}
			switchSlide();
		}
		function refreshStatus() {
			if(_pagerLinks.length) _pagerLinks.removeClass(_activeClass).eq(_currentIndex).addClass(_activeClass);
			if(_currentNum) _currentNum.text(_currentIndex+1);
			if(_allNum) _allNum.text(_slideCount);
			_slides.eq(_prevIndex).removeClass(_activeClass);
			if(_noCycle) {
				if(_btnPrev.length) {
					if(_currentIndex == 0) _btnPrev.addClass(_disabledClass);
					else _btnPrev.removeClass(_disabledClass);
				}
				if(_btnNext.length) {
					if(_currentIndex == _slideCount-1) _btnNext.addClass(_disabledClass);
					else _btnNext.removeClass(_disabledClass);
				}
			}
			if(typeof _onChange === 'function') {
				_onChange(_this, _currentIndex);
			}
		}
		function switchSlide() {
			_slides.eq(_currentIndex).addClass(_activeClass);
			_slides.eq(_prevIndex).stop().animate({opacity:0},{duration: _duration, queue: false,complete:function(){
				jQuery(this).css({display:'none'});
			}})
			_slides.eq(_currentIndex).stop().css({display:'block',opacity:0}).animate({opacity:1},{duration: _duration, queue: false,complete:function(){
				jQuery(this).css({opacity:''});
			}})
			_caption.eq(_prevIndex).fadeOut();
			_caption.eq(_currentIndex).fadeIn();
			if(_autoHeight) _slides.eq(_currentIndex).parent().animate({height:_slides.eq(_currentIndex).outerHeight(true)},{duration:_duration,queue:false});
			refreshStatus();
			autoSlide();
		}

		// autoslide function
		function autoSlide() {
			if(!_autoRotation || _hover) return;
			if(_timer) clearTimeout(_timer);
			_timer = setTimeout(nextSlide,_switchTime+_duration);
		}
		if(_pauseOnHover) {
			_this.hover(function(){
				_hover = true;
				if(_timer) clearTimeout(_timer);
			},function(){
				_hover = false;
				autoSlide();
			});
		}
		refreshStatus();
		autoSlide();
	});
};

// navigation pugin
function initNav(o){
	if (!o.menuId) o.menuId = "nav";
	if (!o.cleverMode) o.cleverMode = false;
	if (!o.flexibility) o.flexibility = false;
	if (!o.dropExistenceClass) o.dropExistenceClass = false;
	if (!o.hoverClass) o.hoverClass = "hover";
	if (!o.menuHardCodeClass) o.menuHardCodeClass = "menu-hard-code";
	if (!o.sideClasses) o.sideClasses = false;
	if (!o.center) o.center = false;
	if (!o.menuPaddings) o.menuPaddings = 0;
	if (!o.minWidth) o.minWidth = 0;
	if (!o.coeff) o.coeff = 1.7;
	var n = document.getElementById(o.menuId);
	if(n)
	{
		n.className = n.className.replace(o.menuHardCodeClass, "");
		var lfl = [];
		var li = n.getElementsByTagName("li");
		for (var i=0; i<li.length; i++)
		{
			li[i].className += (" " + o.hoverClass);
			var d = li[i].getElementsByTagName("div").item(0);
			if(d)
			{
				if(o.flexibility)
				{
					var a = d.getElementsByTagName("a");
					for (var j=0; j<a.length; j++)
					{
						var w = a[j].parentNode.parentNode.offsetWidth;
						if(w > 0)
						{
							if(typeof(o.minWidth) == "number" && w < o.minWidth)
								w = o.minWidth;
							else if(typeof(o.minWidth) == "string" && li[i].parentNode == n && w < li[i].offsetWidth)
								w = li[i].offsetWidth - 3;
							a[j].style.width = w - o.menuPaddings + "px";
						}
					}
					d.style.width = li[i].getElementsByTagName("div").item(1).clientWidth + "px";
				}
				var t = document.documentElement.clientWidth/o.coeff;
				if(li[i].parentNode != n && (!o.cleverMode || fPX(li[i]) < t))
				{
					d.style.right = "auto";
					d.style.left = li[i].parentNode.offsetWidth + "px";
					d.parentNode.className += " left-side";
				}	
				else if(li[i].parentNode != n && (o.cleverMode || fPX(li[i]) >= t))
				{
					d.style.left = "auto";
					d.style.right = li[i].parentNode.offsetWidth + "px";
					d.parentNode.className += " right-side";
				}
				else if(li[i].parentNode == n && o.cleverMode && fPX(li[i]) >= t)
				{
					li[i].className += " right-side";
				}
				if(li[i].parentNode == n && o.center)
					d.style.left = -li[i].getElementsByTagName("div").item(1).clientWidth/2 + li[i].clientWidth/2 + "px";
			}
			if(o.dropExistenceClass && li[i].getElementsByTagName("ul").length > 0)
			{
				li[i].className += (" " + o.dropExistenceClass);
				li[i].getElementsByTagName("a").item(0).className += (" " + o.dropExistenceClass + "-link");
				li[i].innerHTML += "<em class='pointer'></em>";
			}
			if(li[i].parentNode == n) lfl.push(li[i]);
		}
		if(o.sideClasses)
		{
			lfl[0].className += " first-child";
			lfl[0].getElementsByTagName("a").item(0).className += " first-child-link";
			lfl[lfl.length-1].className += " last-child";
			lfl[lfl.length-1].getElementsByTagName("a").item(0).className += " last-child-link";
		}
		for (var i=0; i<li.length; i++)
		{
			li[i].className = li[i].className.replace(o.hoverClass, "");
			li[i].onmouseover = function()
			{
				this.className += (" " + o.hoverClass);
			}
			li[i].onmouseout = function()
			{
				this.className = this.className.replace(o.hoverClass, "");
			}
		}
	}
	function fPX(a)
	{
		var b = 0;
		while (a.offsetParent) {b += a.offsetLeft; a = a.offsetParent;}
		return b;
	}
};

