/*
* 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 = [  
	{
		"title" : "’t Haske entree",
		"image" : "headers/foto5.jpg",
		"url" : "index.php",
		"firstline" : "Welkom",
		"secondline" : "bij ’t Haske"
	}, 
	{
		"title" : "Henk van Bruggen",
		"image" : "headers/foto2.jpg",
		"url" : "index.php?p=7&page=Contactinformatie",
		"firstline" : "Uw gastheer",
		"secondline" : "Henk van Bruggen"
	},  
	{
		"title" : "Luchtfoto",
		"image" : "headers/foto3.jpg",
		"url" : "index.php?p=4&page=Het%20complex",
		"firstline" : "Capaciteit",
		"secondline" : "1500 gasten"
	},
	{
		"title" : "Midgetgolfbanen",
		"image" : "headers/foto6.jpg",
		"url" : "index.php?p=26&page=Midgetgolf",
		"firstline" : "Geheel vernieuwde",
		"secondline" : "Midgetgolfbanen"
	},
	{
		"title" : "Terras",
		"image" : "headers/foto4.jpg",
		"url" : "index.php?p=46&page=Serre%20Terras",
		"firstline" : "Barbecueën",
		"secondline" : "Op het terras?"
	},
	{
		"title" : "Skutsje",
		"image" : "headers/foto8.jpg",
		"url" : "index.php?p=19&page=Captains%20dinner",
		"firstline" : "In de Skûtsjeserre",
		"secondline" : "Captains dinner"
	},
	{
		"title" : "Grand Cafe",
		"image" : "headers/foto9.jpg",
		"url" : "index.php?p=44&page=Grand%20Café%20Bowling",
		"firstline" : "Bowlen en borrelen",
		"secondline" : "Grand Café"
	}
];



$(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;
		}
		
		nextPhoto = currentImg+1;
		if(nextPhoto == photos.length + 1) {
			nextPhoto = 1;
		}
		
		showImage(photos[currentImg - 1], currentContainer, activeContainer, photos[nextPhoto - 1]);
		
	};
	
	var currentZindex = -1;
	var showImage = function(photoObject, currentContainer, activeContainer, nextPhotoObject) 
	{
		animating = true;
		
		// Make sure the new container is always on the background
		currentZindex--;
		
		// Set the background image of the new active container

		$("#headerimgs" + activeContainer).css({
			"background-image" : "url(images/" + photoObject.image + ")",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		// Hide the header text
		//$("#headerText").css({"display" : "none"});
		
		// Set the new header text
		$(".first").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
		$("#headerimgs" + currentContainer).fadeOut(function() 
		{ 
			setTimeout(function() {
				$("#headertxt").css({"display" : "block"});
				animating = false;
			}, 250);
		});		
		
		$("#headerimgs3").css({
			"background-image" : "url(images/" + nextPhotoObject.image + ")",
			"display" : "none",
			"z-index" : currentZindex--
		});
	
		
	
	};
	
	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);
	
});