/* 
 * jQuery - Lite Content Slider - Plugin v1.0
 * http://www.aakashweb.com/
 * Copyright 2010, Aakash Chakravarthy
 * Released under the MIT License.
 */
 
(function($){
    $.fn.liteSlider= function(options) {
        var defaults = {
            content : '.content',
            width : 500,
            height : 250,
            autoplay : false,
			delay : 3,
            buttonsClass : '',
            activeClass : '',
			controlBt : '',
			playText : ' Play',
			pauseText : 'Pause'
        };
        
        var options = $.extend(defaults, options);

        var slideNo = 1;
        var timer = 0;
        var playStatus = options.autoplay;
        var thisClass = ($(this).attr('class')).split(' ');
        var theClass = '.' + thisClass[0];
        var count = 0;
        var slides;
		var currentSlide = 1;
		var delay = parseInt(options.delay)*1000;
		
        $(this).children(options.content).each(function(){ slides = ++count;  });
		
		function wrapContent(ele){ ele.wrap('<div class="sliderContentsWrap" />'); }
		
		function applyCss(ele){
			$('.sliderContentsWrap').css({
                padding : 0,
                margin : 0,
                width : options.width,
                height : options.height,
                overflow : 'hidden',
                position : 'relative'
            });
            
            ele.css({
                padding : 0,
                margin : 0,
                width : options.width * slides,
                height : options.height,
                position : 'absolute'
            });
            
            ele.children(options.content).css({
                float : 'left',
                width : options.width,
                height : options.height
            });
		}
		
        function resetButtons(){
            i = 0;
            $('.' + options.buttonsClass).each(function(){
                i++;
                $(this).addClass('bt' + i);
                $(this).attr('rel', i);
            });
        }
		        
        function goToSlide(theSlide){		
            var animateLeft = -(options.width) * (parseInt(theSlide)-1); 
            $('.sliderContentsWrap' + ' ' + theClass).animate({left: animateLeft},1000);
            
            $('.' + options.buttonsClass).each(function(){
                $(this).removeClass(options.activeClass);
                    if($(this).hasClass('bt' + theSlide)){
                        $(this).addClass(options.activeClass)}
            });			
			currentSlide = theSlide;
        }
		
		function autoplay(){ if(currentSlide < slides){	goToSlide(parseInt(currentSlide) + 1); } else { goToSlide(1); }}
		
		function playSlide(){
			clearInterval(timer);
			timer = setInterval(function(){
				autoplay();
			}, delay);
			
			$(options.controlBt).text(options.pauseText);
			playStatus = true;
		}
		
		function pauseSlide(){
			clearInterval(timer);
			$(options.controlBt).text(options.playText);
			playStatus = false;
		}

		function init(ele){
			wrapContent(ele);
			applyCss(ele);
			resetButtons();			
			if(options.autoplay == true){ playSlide()} else { pauseSlide();	}
		}
		
        return this.each(function(){
			init($(this));
			
			$('.'+options.buttonsClass).click(function(e){
				e.preventDefault();
				pauseSlide();
                goToSlide($(this).attr('rel'));
            });
			
			$(options.controlBt).click(function(e){
				e.preventDefault();
				if(playStatus == true){	pauseSlide()} else { playSlide() } ;
            });			
        });        
    };
})(jQuery);