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

// Speed of the automatic slideshow
var slideshowSpeed = 3000; // 1000 = 1 second

// Variable to store the images we need to set as background
// which also includes some text and url's.
var photos = [ {
		"title" : "Tony Navarro",
		"image" : "1.jpg",
		"firstline" : "",
	}, {
		"title" : "Patio",
		"image" : "2.jpg",
		"firstline" : "Patio",
	}, {
		"title" : "Venice High School",
		"image" : "3.jpg",
		"firstline" : "Venice High School",
	}, {
		"title" : "Colonial Corners",
		"image" : "4.jpg",
		"firstline" : "Colonial Corners",
	}, {
		"title" : "Beethoven and Venice Public Art",
		"image" : "5.jpg",
		"firstline" : "Beethoven and Venice Public Art",
	}, {
		"title" : "",
		"image" : "6.jpg",
		"firstline" : "",
	}, {
		"title" : "",
		"image" : "7.jpg",
		"firstline" : "",
	}, {
		"title" : "Buddha",
		"image" : "8.jpg",
		"firstline" : "Buddha",
	}, {
		"title" : "Venice Boulevard in Mar Vista",
		"image" : "9.jpg",
		"firstline" : "Venice Boulevard in Mar Vista",
	}, {
		"title" : "Grand View and Venice Public Art",
		"image" : "10.jpg",
		"firstline" : "Grand View and Venice Public Art",
	},{
		"title" : "",
		"image" : "11.jpg",
		"firstline" : "",
	}, {
		"title" : "",
		"image" : "12.jpg",
		"firstline" : "",
	}, {
		"title" : "l",
		"image" : "13.jpg",
		"firstline" : "",
	}, {
		"title" : "",
		"image" : "14.jpg",
		"firstline" : "",
	}, {
		"title" : "Mar Vista Farmers Market",
		"image" : "15.jpg",
		"firstline" : "Mar Vista Farmers Market",
	}, {
		"title" : "",
		"image" : "lauratanabe.jpg",
		"firstline" : "",
	}, {
		"title" : "Santa Monica Airport",
		"image" : "SM_Airport.jpg",
		"firstline" : "Santa Monica Airport",
	},
	{
		"title" : "Shannon Cai",
		"image" : "Shannon-slide.jpg",
		"firstline" : "",
	},
	{
		"title" : "Santa Monica Pier Night",
		"image" : "SM_Pier_Night.jpg",
		"firstline" : "Santa Monica Pier Night",
	}, {
		"title" : "Lincoln Rose",
		"image" : "Lincoln_Rose.jpg",
		"firstline" : "Lincoln Rose",
	}, {
		"title" : "25ct Viewer",
		"image" : "25ct_Viewer.jpg",
		"firstline" : "25ct Viewer",
	}, {
		"title" : "Venice Beach Sunset",
		"image" : "Venice_Beach_Sunset.jpg",
		"firstline" : "Venice Beach Sunset",
	}, {
		"title" : "Venice Lifeguard Station",
		"image" : "Venice_Beach_Lifegaurd_Station.jpg",
		"firstline" : "Venice Lifeguard Station",
	}, {
		"title" : "Alexander Velasco",
		"image" : "Alex-slide.jpg",
		"firstline" : "",
	},
	{
		"title" : "405 Sepulveda Pass",
		"image" : "405_Fwy.jpg",
		"firstline" : "405 Sepulveda Pass",
	}, {
		"title" : "L.A. from Griffith Park",
		"image" : "Griffith_Park_East.jpg",
		"firstline" : "L.A. from Griffith Park",
	}, {
		"title" : "Santa Monica Pier Gateway",
		"image" : "SM_Pier_Entranace.jpg",
		"firstline" : "Santa Monica Pier Gateway",
	}, {
		"title" : "Marina Del Rey",
		"image" : "Marina.jpg",
		"firstline" : "Marina Del Rey",
	}, {
		"title" : "Getty Gardens",
		"image" : "Getty_Gardens.jpg",
		"firstline" : "Getty Gardens",
	},
	{
		"title" : "Vinh Chuong",
		"image" : "VinhChuong.jpg",
		"firstline" : "",
	},
	
];



$(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(/wp-content/themes/taxplus/phillyslider/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(/wp-content/themes/taxplus/phillyslider/images/" + photoObject.image +")",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		// Hide the header text
		$("#headertxt").hide();
		
		// Set the new header text
		if(photoObject.firstline == ""){
			$("#firstline").hide();
		}else{
			$("#firstline").show();
			$("#firstline").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
		$("#headerimg" + currentContainer).fadeOut(function() {
			setTimeout(function() {
				$("#headertxt").show();
				animating = false;
			}, 0);
		});
	};
	
	var stopAnimation = function() {
		// Change the background image to "play"
		$("#control").css({ "background-image" : "url(/wp-content/themes/taxplus/phillyslider/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);
	
});