/*
* Author:      Marco Kuiper (http://www.marcofolio.net/)
*/

// Speed of the automatic slideshow
var slideshowSpeed = 8000;

// Variable to store the images we need to set as background
// which also includes some text and url's.
var photos = [ {
  	"title" : "The Valiant Monkey",
  	"image" : "tvm-cover.jpg",
  	"url" : "http://illhill.de/shop/valiant-monkey-xy",
  	"firstline" : "The Valiant Monkey T-Shirt",
    "secondline" : "illhill"
  }, {
	  "title" : "A Simple Hoodie",
  	"image" : "../shop/hoodies/simple-grey-700.jpg",
  	"url" : "http://illhill.de/shop/my-life-is-simple-hd",
  	"firstline" : "My Life is Simple Hoodie",
    "secondline" : "illhill"
  }, {
		"title" : "Lutscher Libre",
		"image" : "lutscherpreview.jpg",
		"url" : "http://www.illhill.de/shop/lutscher-libre",
		"firstline" : "Lutscher Libre",
		"secondline" : "Delinquent 263"
	}, {
	  "title" : "Spätsommerkollektion",
		"image" : "kollektion2011.jpg",
		"url" : "http://www.illhill.de/shop",
		"firstline" : "Spätsommerkollektion",
		"secondline" : "ILLHILL"
	}, {
	  "title" : "Get Naked And Bounce",
		"image" : "naked-cover.jpg",
		"url" : "http://www.illhill.de/shop/get-naked-and-bounce",
		"firstline" : "Get Naked And Bounce",
		"secondline" : "HEKMEK"
	}, {
	  "title" : "Mr. Penfold",
		"image" : "penfold-cover.jpg",
		"url" : "http://www.illhill.de/shop/mr-penfold",
		"firstline" : "Mr. Penfold",
		"secondline" : "MR. PENFOLD"
	}, {
	  "title" : "Can't Beat The Guru",
		"image" : "guru-cover.jpg",
		"url" : "http://www.illhill.de/shop/cant-beat-the-guru",
		"firstline" : "Can't Beat The Guru",
		"secondline" : "DROPIX"
	}, {
		"title" : "Lazy Tird The Third",
		"image" : "lazytird-cover.jpg",
		"url" : "http://www.illhill.de/shop/lazy-tird-the-third-jutebeutel",
		"firstline" : "Lazy Tird The Third",
		"secondline" : "COOLIBAA"
	}, {
		"title" : "Illhill LA",
		"image" : "la-cover.jpg",
		"url" : "http://www.illhill.de/shop/illhill-la",
		"firstline" : "Illhill LA",
		"secondline" : "COOLIBAA"
	}, {
		"title" : "Simplicity",
		"image" : "simple.jpg",
		"url" : "http://www.illhill.de/shop/my-life-is-simple",
		"firstline" : "My Life Is Simple",
		"secondline" : "BKOPF"
	}
];



$(document).ready(function() {
		
	// Backwards navigation
	$("#back").click(function() {
		stopAnimation();
		navigate("back");
	});
	
	// Forward navigation
	$("#next").click(function() {
		stopAnimation();
		navigate("next");
	});
	
	var interval;
	$("#control").toggle(function(){
		stopAnimation();
	}, function() {
		// Change the background image to "pause"
		$(this).css({"background-image":"url(images/layout/btn_pause.png)"});
		
		// Show the next image
		navigate("next");
		
		// Start playing the animation
		interval = setInterval(function() {
			navigate("next");
		}, slideshowSpeed);
	});
	
	
	var activeContainer = 1;
	var currentImg = 0;
	var animating = false;
	var navigate = function(direction) {
		// Check if no animation is running. If it is, prevent the action
		if(animating) {
			return;
		}
		
		// Check which current image we need to show
		if(direction == "next") {
			currentImg++;
			if(currentImg == photos.length + 1) {
				currentImg = 1;
			}
		} else {
			currentImg--;
			if(currentImg == 0) {
				currentImg = photos.length;
			}
		}
		
		// Check which container we need to use
		var currentContainer = activeContainer;
		if(activeContainer == 1) {
			activeContainer = 2;
		} else {
			activeContainer = 1;
		}
		
		showImage(photos[currentImg - 1], currentContainer, activeContainer);
		
	};
	
	var currentZindex = -1;
	var showImage = function(photoObject, currentContainer, activeContainer) {
		animating = true;
		
		// Make sure the new container is always on the background
		currentZindex--;
		
		// Set the background image of the new active container
		$("#coverImg" + activeContainer).css({
			"background-image" : "url(images/cover/" + photoObject.image + ")",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		// Hide the header text
		$("#coverTxt").css({"display":"none"});
		
		// Set the new header text
		$("#firstline")
		  .attr("href", photoObject.url)
		  .html(photoObject.firstline);
		$("#secondline")
			.attr("href", photoObject.url)
			.html(photoObject.secondline);
		$("#pictureduri")
			.attr("href", photoObject.url)
			.html(photoObject.title);
		
		
		// Fade out the current container
		// and display the header text when animation is complete
		$("#coverImg" + currentContainer).fadeOut(function() {
			setTimeout(function() {
				$("#coverTxt").css({"display":"block"});
				animating = false;
			}, 10);
		});
	};
	
	var stopAnimation = function() {
		// Change the background image to "play"
		$("#control").css({"background":"url(images/layout/btn_play.png) center center no-repeat" });
		
		// Clear the interval
		clearInterval(interval);
	};
	
	// We should statically set the first image
	navigate("next");
	
	// Start playing the animation
	interval = setInterval(function() {
		navigate("next");
	}, slideshowSpeed);
	
});