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

// Speed of the automatic slideshow
var slideshowSpeed = 7000;


var photos = [ {
		"title" : "bisneskonsepti",
		"image" : "../uploads/layout/businesskonseptointi.jpg",
		"url" : "http://www.creamentors.fi/palvelut/",
		"firstline" : "Uusi bisneskonsepti vanhan tilalle?",
		"secondline" : ""
	}, {
		"title" : "Strategia",
		"image" : "../uploads/layout/shakki.jpg",
		"url" : "http://www.creamentors.fi/palvelut/",
		"firstline" : "Strategia",
		"secondline" : "Liiketoimintastrategia, liiketoimintasuunnitelma, master plan, markkinaselvitys"
	}, {
		"title" : "Projektointi",
		"image" : "../uploads/layout/pilli.jpg",
		"url" : "http://www.creamentors.fi/palvelut/",
		"firstline" : "Projektointi",
		"secondline" : "Projektisuunnitelma, hankesuunnitelma, rahoituslaskelmat, pääomasijoittajamateriaali"
	}, {
		"title" : "Rahoitus",
		"image" : "../uploads/layout/rahoitus.jpg",
		"url" : "http://www.creamentors.fi/palvelut/",
		"firstline" : "Rahoitus",
		"secondline" : "Julkiset avustukset ja lainat, pääomasijoitukset, sponsorointi ja yritysyhteistyö"
	}, {
		"title" : "Verkosto",
		"image" : "../uploads/layout/verkosto.jpg",
		"url" : "http://www.creamentors.fi/palvelut/",
		"firstline" : "Verkosto",
		"secondline" : "Avainhenkilöhaku, bisneskumppanihaku, investorihaku, operaattorihaku"
	}
];


$(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(images/" + photoObject.image + ")",
			"display" : "block",
			"z-index" : currentZindex
		});
		
		// Hide the header text
		$("#headertxt").css({"display" : "none"});
		

		
		// Set the new header text
		$("#firstline").html(photoObject.firstline);
		
		if (photoObject.secondline == ""){
		$("#secondline").css({"display" : "none"});
		$("#firstline").css({"marginTop" : "24px"});
		}else{
		$("#secondline").css({"display" : "block"});
		$("#firstline").css({"marginTop" : "0"});
		}
		
		$("#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").css({"display" : "block"});
				animating = false;
			}, 500);
		});
	};*/
	
	
	// Fade out the current container
		// and display the header text when animation is complete
		$("#headerimg" + currentContainer).fadeOut(function() {
			setTimeout(function() {
				$("#headertxt").fadeTo("slow" , 1);
				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);
	
	/*stopAnimation();*/
	
});