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

// Speed of the automatic slideshow
var slideshowSpeed = 6000;

// Variable to store the images we need to set as background
// which also includes some text and url's.

var photos = [{
        "btnImg"    : "../images/banners/see-full-range.jpg",
        "image"     : "../images/banners/atmospheric-960x460.jpg",
        "url"       : "http://www.leightondenny.com/products/24/1/atmospheric-collection-aw"
    }, {
        "btnImg"    : "../images/banners/miracleMist-button.jpg",
        "image"     : "../images/banners/miracleMist-960x460.jpg",
        "url"       : "http://www.leightondenny.com/product-detail/204/miracle-mist/"
    }, {
        "btnImg"    : "../images/banners/elle-full-range.jpg",
        "image"     : "../images/banners/elle-awards.jpg",
        "url"       : "http://www.leightondenny.com/products/7/1/all-nail-colours"
    }, {
        "btnImg"    : "../images/banners/see-full-range.jpg",
        "image"     : "../images/banners/sunbelievable-960x460.jpg",
        "url"       : "http://www.leightondenny.com/products/4/1/sun-believable/"
    }, {
        "btnImg"    : "../images/banners/see-diamond-range.jpg",
        "image"     : "../images/banners/960-x-460nail-products-collections.jpg",
        "url"       : "http://www.leightondenny.com/products/8/1/diamond-range"
    }, {
        "btnImg"    : "../images/banners/more-nail-colours-link.jpg",
        "image"     : "../images/banners/best-pink-nail.jpg",
        "url"       : "http://www.leightondenny.com/products/7/1/nail-colours"
    }
];



	$(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/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
	        $("#headerimg" + activeContainer).css({
	            "background-image": "url(" + photoObject.image + ")",
	            "display": "block",
	            "z-index": currentZindex
	        });

	        // Hide the header text
	        //		$("#headertxt").css({"display" : "none"});

	        // Set the new header text
	        //		$("#firstline").html(photoObject.firstline);
	        //		$("#secondline")
	        //			.attr("href", photoObject.url)
	        //			.html(photoObject.secondline);

	        $("#mainScrollingImagesButton").fadeOut(function() {
	            $("#buttonMoreInfoHome a").attr("href", photoObject.url);
	            $("#mainScrollingImagesButton").attr("src", photoObject.btnImg);
	            $("#mainScrollingImagesButton").fadeIn();        
	        });


	        // Fade out the current container
	        // and display the header text when animation is complete
	        $("#headerimg" + currentContainer).fadeOut(function() {
	            setTimeout(function() {
	                //				$("#headertxt").css({"display" : "block"});
	                animating = false;
	            }, 500);
	        });
	    };

	    var stopAnimation = function() {
	        // Change the background image to "play"
	        $("#control").css({ "background-image": "url(images/btn_play.png)" });

	        // Clear the interval
	        clearInterval(interval);
	    };

	    // We should statically set the first image
	    navigate("next");

	    // Start playing the animation
	    interval = setInterval(function() {
	        navigate("next");
	    }, slideshowSpeed);

	});