/*
* 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 = //new Array();
[ {
		"title" : "Welcome to Southridge",
		"image" : "/images/home/location_banners/" + document.domain.substring(0,2) + ".jpg",
		"url"   : '/new-here'
	}
];


$(document).ready(function() {

	$.getJSON("/event/index/ads", function(data){
		
//		$.each(data.events, function(k,v){ alert( "key " + k + "; val " + v );});
		$.each(data.featured, function(i, entry){
			photos[photos.length] = { "image" : entry.largeImg, "title" : entry.title, "url" : entry.link, "displaydate" : entry.formattedDate };
		});
		$.each(data.events, function(i, entry){
			photos[photos.length] = { "image" : entry.largeImg, "title" : entry.title, "url" : entry.link, "displaydate" : entry.formattedDate };
		});
	});
//	// Backwards navigation
	$("#back").click(function() {
		stopAnimation();
		navigate("back");
	});
	
	// Forward navigation
	$("#skip").click(function() {
		stopAnimation();
		navigate("next");
	});
	
	var interval;
	$("#control").toggle(function(){
		stopAnimation();
	}, function() {
		// Change the background image to "pause"
		$(this).css({ "background-image" : "url(/images/buttons/playback_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
		$("#landingpic" + activeContainer).css({
			"background-image" : "url('" + photoObject.image + "')",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		// Hide the header text
//		$("#headertxt").css({"display" : "none"});
		
		var datehtml = photoObject.displaydate ? "<b>" + photoObject.displaydate + "</b>&nbsp; &mdash; &nbsp;" : '';
		$("#landingtext").html(datehtml + " <a href=\"" + photoObject.url + "\">" + photoObject.title + " &raquo;</a>");
		
		// Set the new header text
//		$("#firstline").html(photoObject.firstline);
//		$("#secondline")
//			.attr("href", photoObject.url)
//			.html(photoObject.secondline);
		$("#landinglink")
			.attr("href", photoObject.url);
//			.html(photoObject.title);
		
//		alert($("#landingpic"));
		
		// Fade out the current container
		// and display the header text when animation is complete
		$("#landingpic" + 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/buttons/playback_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);
	
});