(function($) { $(function() {
	
var featuresContainer$ = $("#rotator-features");
var features$ = featuresContainer$.children(".feature");
var dots$ = $();
var scroll$ = $();

CN = CN || {}; CN.style = CN.style || {}; CN.style.homepage = CN.style.homepage || {};
CN.style.homepage.rotatorTTL = 0; // how long between homepage visits to wait before repeating the rotator animation: [0, Infinity]
CN.style.homepage.numRotatorLoops = 1; // how many times to loop the rotator animation: [0, Infinity]
CN.style.homepage.rotatorDelay = 1e3; // how long to wait before beginning the rotator animation: [0, 9007199254740992]
CN.style.homepage.rotatorPause = 4e3; // how long to wait between rotator features while animating: [0, 9007199254740992]

bootstrap();

function bootstrap() {
	if (features$.length <= 1)
		return;

/*
	var featurePromises = [];

	features$.each(function() {

		var featureDeferred = $.Deferred();
		featurePromises.push(featureDeferred.promise());

		var assets$ = $(this).find("[src]");

		var assetPromises = [];

		assets$.each(function() {
			var assetDeferred = $.Deferred();
			assetPromises.push(imageDeferred.promise());

			var srcElement$ = $(this);
			
			var targetElement$ = srcElement$;

			if (srcElement$.is("param")) {
				var targetElement$ = srcElement$.parent("object");
				if (targetElement$.length === 0)
					return;
			}
			else if (srcElement$.is("embed")) {
				var targetElement$ = srcElement$.parent("object");
				if (targetElement$.length === 0)
					return;
			}

			var src = srcElement$.attr("src");

			srcElement$.attr("src", "");
			
			targetElement$.on("load", function() {
				assetDeferred.resolve(src);
			}).on("error", function() {
				assetDeferred.reject(src);
			});
			
			srcElement$.attr("src", src);
		});

		$.when.apply(this, assetPromises).then(function() {
			featureDeferred.resolve(images$);
		});
	});

	$.when.apply(this, featurePromises).then(function() {
		build();

		if (isRotatorExpired())
			animate();
	});
*/
	
	$(window).load(function() {
		build();
		
		if (isRotatorExpired())
			animate();
	});
}		

function build() {
	buildRotator();

	buildNav();
	
	function buildRotator() {
		features$.wrapAll("<div class=\"scroll clearfix\"></div>");
		
		scroll$ = features$.parent(".scroll");
	
		var scrollWidth = 0;

		features$.each(function(index) {
			var feature$ = $(this);
			feature$.attr("data-ordinal", index);
			scrollWidth += $(this).width();
		});

		scroll$.css({
			"width": scrollWidth + "px",
			"left": "0px",
			"height": features$.first().height() + "px"
		});
	}

	function buildNav() {
		var navContainer$ = $("<nav></nav>");

		var nav$ = $("<ol></ol>");
		
		nav$.appendTo(navContainer$);
		navContainer$.appendTo(featuresContainer$);

		features$.each(function(index) {
			var feature$ = $(this);

			var dot$ = $("<li></li>").on("click", function() {
				$(this).trigger("activate");
			}).on("activate", function() {
				rotateTo(feature$);
			});

			dots$ = dots$.add(dot$);
		});
		
		dots$.appendTo(nav$).first().addClass("active");
	}
}

function animate() {
	featuresContainer$.one("click", function() { 

		// first click interrupts the animation
		featuresContainer$.clearQueue();

	}).delay(CN.style.homepage.rotatorDelay).queue(function(next) {
		var loops = 0;
		
		checkLoop();

		function checkLoop() {
			if (loops < CN.style.homepage.numRotatorLoops) {
				queueLoop();

				featuresContainer$.queue(function(next) {
					++loops;
					checkLoop();
					next();
				});
			}
		}

		function queueLoop() {
			features$.each(function() {
				featuresContainer$.queue(function(next) {
					rotateNext();
					next();
				}).delay(CN.style.homepage.rotatorPause);
			});
		}

		next();
	});
}

function rotateNext() {
	var active$ = dots$.filter(".active");

	var next$ = active$.next();

	if (next$.length !== 0) {
		next$.trigger("activate");
	}
	else {
		next$ = dots$.first();
	
		var firstFeature$ = features$.first();
		var secondFeature$ = firstFeature$.next();

		scroll$.queue(function(next) {
			features$.last().after(firstFeature$.detach());
			scroll$.css("left", "+=" + firstFeature$.width() + "px");
			next();
		});
	
		next$.trigger("activate");
		
		scroll$.queue(function(next) {
			secondFeature$.before(firstFeature$.detach());
			scroll$.css({
				"left": "0px"
			});
			next();
		});
		
	}
}

function rotateTo(feature$) {
	var dot$ = dots$.eq(Number(feature$.attr("data-ordinal")));

	if (dot$.hasClass("active"))
		return;
	else
		dot$.addClass("active").siblings().removeClass("active");

	var leftOffset = 0;

	feature$.prevAll().each(function() {
		leftOffset += $(this).width();
	});
	
	scroll$.animate({
		"left": -leftOffset + "px",
		"height": feature$.height() + "px"
	}, "slow");
}

function saveRotatorVisit() {
	var rotatorVisit = String(new Date().getTime());
	if (Modernizr.localstorage) {
		localStorage.setItem("rotator-visit", rotatorVisit);
	}
	else if (Boolean(document.cookie)) {
		CN.cookie.set("rotator-visit", rotatorVisit, { "expires": new Date(new Date().getTime() + (~~(CN.style.homepage.rotatorTTL / 1000))) });
	}
}

function isRotatorExpired() {
	var rotatorVisit = null;
	if (Modernizr && Modernizr.localstorage) {
		rotatorVisit = localStorage.getItem("rotator-visit");
	}
	else {
		rotatorVisit = CN.cookie.get("rotator-visit");
	}

	if (!Boolean(rotatorVisit)) {
		return true;
	}
	else {
		return (new Date() - rotatorVisit > CN.style.homepage.rotatorTTL);
	}
}
		
}); }(jQuery));