/*
	jQuery Johnny Slider - http://www.johnnybroccolii.com
	Copyright (c) 2010 Keiji Hokamura
	This plugin available for use in all personal or commercial projects under both MIT and GPL licenses.
*/

$.fn.johnnySlider = function(settings) {
	settings = $.extend({
		slideInterval: 1000,
		slideEaseDuration: 1400,
		slideEaseFunction: "easeInOutQuart",
		containerSlideEaseDuration: 1600,
		containerSlideEaseFunction: "easeInOutQuart",
		leftMargin: 0
	}, settings);
	
	return this.each(
		function(index) {
			var containerSlider = $(this);
			var slider = containerSlider.find('div.images');
			var windowWidth = $(window).width();
			
			containerSlider.css('left', windowWidth + 300);
			
			slider.ready(
				function() {
					containerSlider.css('display', 'block');
					containerSlider.data('johnnySliderCounter', 0);
					
					setupImagesWidth();
					
					setTimeout(autoSlide, settings.autoSlideInterval);
				}
			);
			
			$(window).resize(setupImagesWidth);
			
			function setupImagesWidth() {
				var images = slider.find('img');
				var originalImagesSize = 0;
				var maxImageSize = 0;
				var windowWidth = $(window).width();
				
				for (var i = 0; i < images.size(); i++) {
					var image = $(images.get(i));
					originalImagesSize += image.width();
					if (image.width() > maxImageSize)
						maxImageSize = image.width();
					image.remove();
					slider.append(image);
				}
				
				if (originalImagesSize + settings.leftMargin < windowWidth) {
					var addedImageTimes = Math.floor(windowWidth / originalImagesSize);
					for (var i = 0; i < addedImageTimes; i++) {
						for (var j = 0; j < images.size(); j++) {
							slider.append($(images.get(j)).clone());
						}
					}
					originalImagesSize = originalImagesSize * (addedImageTimes + 1);
				}
				
				containerSlider.css('width', originalImagesSize + maxImageSize);
			}
			
			function autoSlide() {
				var counter = containerSlider.data('johnnySliderCounter');
				var images = slider.find('img');
				if (counter != null && images.size() > 1) {
					if (counter % 3 != 0) {
						var firstImg = $(images.get(0));
						var toMarginLeft = -1 * firstImg.width();
						slider.append(firstImg.clone());
						
						slider.animate(
							{ marginLeft: toMarginLeft },
							settings.slideEaseDuration,
							settings.slideEaseFunction,
							function() {
								slider.css('marginLeft', 0);
								firstImg.remove();
							}
						);
						setTimeout(autoSlide, settings.slideEaseDuration + settings.slideInterval);
					}
					else {
						var toLeft = windowWidth * 0.7 * Math.random();
						toLeft = toLeft > settings.leftMargin ? toLeft : settings.leftMargin;
						containerSlider.animate(
							{ left: toLeft },
							settings.containerSlideEaseDuration,
							settings.containerSlideEaseFunction
						);
						setTimeout(autoSlide, settings.containerSlideEaseDuration + settings.slideInterval);
						
						if (soundFlag && !initialSlideFlag) {
							var slideSound = $('#slide-sound').get(0);
							slideSound.volume = 0.6;
							slideSound.play();							
						}
						if (initialSlideFlag) {
							initialSlideCount++;
							if (initialSlideCount == portfolioCount) {
								initialSlideFlag = false;
							}	
						}
					}
					containerSlider.data('johnnySliderCounter', ++counter);
				}
			};
		}
	);
};