// page init
jQuery(function(){
	initTabs();
	initSlideShow();
	initNavigation();
});

// tabs function
function initTabs() {
	jQuery('.tabset').each(function(){
		var _list = jQuery(this);
		var _links = _list.find('a.tab');
		_links.each(function() {
			var _link = jQuery(this);
			var _href = _link.attr('href');
			var _tab = jQuery(_href);
			if(_link.hasClass('active')) _tab.show();
			else _tab.hide();
			_link.click(function(){
				_links.filter('.active').each(function(){
					jQuery(jQuery(this).removeClass('active').attr('href')).hide();
				});
				_link.addClass('active');
				_tab.show();
				return false;
			});
		});
	});
}

// main navigation init
function initNavigation() {
	var _slideSpeed = 400;
	var _selectedClass = 'selected';
	var _activeClass = 'active';

	jQuery('ul#nav').each(function(){
		var _menu = jQuery(this);
		var _items = _menu.children(':has(div)');
		var _animating = false;

		function animateHolder(h) {
			_animating = true;
			_menu.animate({paddingBottom:h-6},{duration:_slideSpeed,queue:true,complete:function(){
				_animating = false;
			}});
		}

		_items.each(function(){
			var _item = jQuery(this);
			var _opener = _item.find('>a');
			var _slider = _item.find('>div').hide();

			if(_item.hasClass(_selectedClass)) {
				animateHolder(_slider.height())
				_slider.show();
			}

			_opener.click(function(){
				if(!_animating) {
					var _activeItems = _items.filter('.'+_selectedClass).not(_item);
					if(_activeItems.length) {
						_activeItems.removeClass(_selectedClass).find('>a').removeClass(_activeClass);
						_activeItems.removeClass(_selectedClass).find('>div').slideUp(_slideSpeed);
					}
					if(_item.hasClass(_selectedClass)) {
						animateHolder(12);
						_item.removeClass(_selectedClass);
						_opener.removeClass(_activeClass);
						_slider.slideUp(_slideSpeed);
					} else {
						animateHolder(_slider.height());
						_item.addClass(_selectedClass)
						_opener.addClass(_activeClass);
						_slider.slideDown(_slideSpeed);
					}
				}
				//return false;
			});
		});
	});
}

// slideshow init
function initSlideShow() {
	jQuery('div.gallery-holder').fadeGallery({
		slideElements:'ul.gallery > li',
		pagerLinks:'ul.control li:not(.prev,.next)',
		btnNext:'ul.control li.next',
		btnPrev:'ul.control li.prev',
		pauseOnHover:true,
		autoRotation:true,
		autoHeight:false,
		switchTime:3000,
		duration:650,
		event:'click'
	});
}

// slideshow plugin
jQuery.fn.fadeGallery = function(_options){
	var _options = jQuery.extend({
		slideElements:'div.slideset > div',
		pagerLinks:'div.pager a',
		btnNext:'a.next',
		btnPrev:'a.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,
		pauseOnHover:true,
		autoRotation:false,
		autoHeight:false,
		switchTime:3000,
		duration:650,
		event:'click'
	},_options);

	return this.each(function(){
		// gallery options
		var _this = jQuery(this);
		var _slides = jQuery(_options.slideElements, _this);
		var _pagerLinks = jQuery(_options.pagerLinks, _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 _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;

		// gallery init
		var _hover = false;
		var _prevIndex = 0;
		var _currentIndex = 0;
		var _slideCount = _slides.length;
		var _timer;
		if(!_slideCount) 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();
		if(_autoRotation) _this.removeClass(_pausedClass).addClass(_playClass);
		else _this.removeClass(_playClass).addClass(_pausedClass);

		// 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){
				jQuery(this).bind(_controlEvent,function(){
					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);
			_slides.eq(_currentIndex).addClass(_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);
				}
			}
		}
		function switchSlide() {
			_slides.eq(_prevIndex).fadeOut(_duration);
			_slides.eq(_currentIndex).fadeIn(_duration);
			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();
	});
}