/*
* 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 = [ {
		"image" : "banner_hp_enzo_SV233.jpg",
		"url" : "/enzo-sv233.html",
		"firstline" : "Built on Innovation",
		"secondline" : "ENZO SV233",
		"thirdline" : "Learn More",
		"x" : 0,
		"firstliney" : 111,
		"secondliney" : 111,
		"thirdliney" : 109
	}, {
		"image" : "banner_hp_enzo_SV211.jpg",
		"url" : "/enzo-sv211.html",
		"firstline" : "Built for Wakeboarding",
		"secondline" : "ENZO SV211",
		"thirdline" : "Learn More",
		"x" : 25,
		"firstliney" : 156,
		"secondliney" : 156,
		"thirdliney" : 156
		
	}, {
		"image" : "banner_hp_enzo_SV244.jpg",
		"url" : "/enzo-sv244.html",
		"firstline" : "Built for Wakesurfing",
		"secondline" : "ENZO SV244",
		"thirdline" : "Learn More",
		"x" : 300,
		"firstliney" :  -20,
		"secondliney" : -20,
		"thirdliney" :  -20
		
	}, {
		"image" : "banner_hp_carbon_pro.jpg",
		"url" : "/carbon_pro.html",
		"firstline" : "Built for Competition",
		"secondline" : "CARBON PRO",
		"thirdline" : "Learn More",
		"x" : 675,
		"firstliney" : 25,
		"secondliney" : 25,
		"thirdliney" : 25
		
	}, {
		"image" : "banner_hp_riders.jpg",
		"url" : "/team-centurion",
		"firstline" : "Wakesurf. Wakeboard.",
		"secondline" : "CENTURION TEAM RIDERS",
		"thirdline" : "Learn More",
		"x" : 218,
		"firstliney" : 200,
		"secondliney" : 200,
		"thirdliney" : 200
		
	}, {
		"image" : "banner_noah.jpg",
		"url" : "/team-centurion/noah-flegel.html",
		"firstline" : "",
		"secondline" : "Read More >",
		"thirdline" : "",
		"x" : 300,
		"firstliney" : 250,
		"secondliney" : 264,
		"thirdliney" : 200
	}, {
		"image" : "ElevationWrapsBanner.jpg",
		"url" : "/wraps.html",
		"firstline" : "",
		"secondline" : "More Information >",
		"thirdline" : "",
		"x" : -10,
		"firstliney" : 250,
		"secondliney" : 240,
		"thirdliney" : 200
	}
];



$(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(/assets/templates/web2011/images/banners/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
		$("#bannerimg" + activeContainer).css({
			"background-image" : "url(/assets/templates/web2011/images/banners/" + photoObject.image + ")",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		// Hide the header text
		$("#bannertxt").css({"display" : "none"});
		
		// Set the new header text
		$("#firstline").html(photoObject.firstline)
		                .attr("href", photoObject.url) 
						.css({"position" : "relative", "left" : photoObject.x})
						.css({"position" : "relative", "top" : photoObject.firstliney});
		$("#secondline")
			.attr("href", photoObject.url)
			.html(photoObject.secondline)
			.css({"position" : "relative", "left" : photoObject.x})
			.css({"position" : "relative", "top" : photoObject.secondliney});
		$("#thirdline")
			.attr("href", photoObject.url)
			.html(photoObject.thirdline)
			.css({"position" : "relative", "left" : photoObject.x})
			.css({"position" : "relative", "top" : photoObject.thirdliney});
		
		
		
		// Fade out the current container
		// and display the header text when animation is complete
		$("#bannerimg" + currentContainer).fadeOut(function() {
			setTimeout(function() {
				$("#bannertxt").css({"display" : "block"});
				animating = false;
			}, 500);
		});
	};
	
	var stopAnimation = function() {
		// Change the background image to "play"
		$("#control").css({ "background-image" : "url(/assets/templates/web2011/images/banners/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);
	
});