var usa_debug = true; //temporary
var usa_currentHomeFeatureId = 0;
var usa_nextHomeFeatureId = 0;
var usa_currentUsaFeatureRotationItem;
var usa_showNowUsaFeatureRotationItem;
var usa_totalUsaFeatureRotationItems;
var usa_featureRotationTimeout;
var usa_featureRotationInterval = 20000;
var usa_currentBodyClass = '';
var usa_videoPlaying = false;
var usa_debugFlag = true;

function usa_debugOut(msg)
{
	if (typeof console != "undefined" && usa_debugFlag == true)
	{
		console.log(msg);
	}
	return;
}


function usa_buildHomeFeatureRotation(options)
{
	usa_debugOut('fn: usa_buildHomeFeatureRotation()');
	usa_debugOut(options);
	
	// setup main defaults
	var default_args = {
		'target' : '',
		'data' : ''
	}
	
	// override defaults with arguments
	for (var index in default_args)
	{
		if (typeof options[index] == "undefined") options[index] = default_args[index];
	}
	
	if (typeof options['data'] == 'object')
	{
		var html = '';
		var navHtml = '';
		var firstVideoId = '';
		var bodyClass = (options['data'].feature[0].attributes.title).replace(/\s/g, '').toLowerCase();
		$('body').addClass(bodyClass);
		usa_currentBodyClass = bodyClass;
		
		navHtml += '<div id="usa_featureRotationNav">';
		html += '<div id="usa_featureRotation">';
		for (var i=0 ; i<options['data'].feature.length ; i++)
		{
			title = options['data'].feature[i].attributes.title;
			subTitle = options['data'].feature[i].attributes.subTitle;
			url = options['data'].feature[i].content.attributes.link;
			target = options['data'].feature[i].content.attributes.target;
			img = options['data'].feature[i].content.attributes.src;
			
			html += '<div class="usa_featureRotationItem" id="usa_featureRotationItem_'+i+'" style="background: #000000 url('+img+') top right"><a href="'+url+'" target="'+target+'"><span>'+subTitle+'</span></a></div>';
			navHtml += '<a href="javascript:usa_showSpecifcFeatureRotation('+i+');" id="usa_featureRotationNavItem_'+i+'"><span class="leftTab"></span><span class="midTab">'+title+'</span><span class="rightTab"></span></a>';
		}
		navHtml += '</div>';
		html += '</div>';
		
		html += '<div class="clear"></div>';
		$(options['target']).html(html+navHtml);
		
		usa_loadFeatureRotation();
	}
}


function usa_updateFeatureRotationNav()
{
	usa_debugOut('fn: usa_updateFeatureRotationNav()');
	
	$("#usa_featureRotationNav a").removeClass('on');
	$("#usa_featureRotationNavItem_" + usa_currentUsaFeatureRotationItem).addClass('on');
}

function usa_showSpecifcFeatureRotation(i)
{
	usa_debugOut('fn: usa_showSpecifcFeatureRotation('+i+')');
	
	var bodyClass = (usa_homeFeature.feature[i].attributes.title).replace(/\s/g, '').toLowerCase();
	$('body').removeClass(usa_currentBodyClass);
	usa_currentBodyClass = bodyClass;
	$('body').addClass(bodyClass);
	
	clearTimeout(usa_featureRotationTimeout);
	var fr = $("#usa_featureRotation");
	usa_showNowUsaFeatureRotationItem = i;
	fr.find(".usa_featureRotationItem").each(function(index) {
		if (index == usa_currentUsaFeatureRotationItem)
		{
			clearTimeout(usa_featureRotationTimeout);
			$(this).fadeOut('fast', function () {
				
				usa_currentUsaFeatureRotationItem = usa_showNowUsaFeatureRotationItem;
				usa_updateFeatureRotationNav();
				
				var fr = $("#usa_featureRotation");
				fr.find(".usa_featureRotationItem").each(function(index) {
					if (index == usa_currentUsaFeatureRotationItem)
					{
						$(this).fadeIn('fast', function () {
							usa_featureRotationTimeout = setTimeout('usa_showNextFeatureRotationItem()', usa_featureRotationInterval);
						});
						return false;
					}
				});
			});
			return false;
		}
	});
}

function usa_showNextFeatureRotationItemIn(seconds)
{
	var timeToShow = seconds * 1000;
	setTimeout('usa_showNextFeatureRotationItem()', timeToShow);
}

function usa_showNextFeatureRotationItem()
{
	usa_debugOut('fn: usa_showNextFeatureRotationItem()');
	
	var fr = $("#usa_featureRotation");
	if (typeof usa_currentUsaFeatureRotationItem == 'undefined')
	{
		fr.find(".usa_featureRotationItem").each(function(index) {
			if (index == 0)
			{
				$(this).fadeIn('slow', function () {
					usa_currentUsaFeatureRotationItem = 0;
					
					if (usa_totalUsaFeatureRotationItems > 1)
					{
						usa_featureRotationTimeout = setTimeout('usa_showNextFeatureRotationItem()', usa_featureRotationInterval);
						usa_updateFeatureRotationNav();
					}
				});
				return false;
			}
		});
	}
	else
	{
		fr.find(".usa_featureRotationItem").each(function(index) {
			if (index == usa_currentUsaFeatureRotationItem)
			{
				clearTimeout(usa_featureRotationTimeout);
				$(this).fadeOut('slow', function () {
					
					if (usa_currentUsaFeatureRotationItem == usa_totalUsaFeatureRotationItems - 1)
					{
						usa_currentUsaFeatureRotationItem = 0;
					}
					else
					{
						usa_currentUsaFeatureRotationItem++;
					}
					
					var bodyClass = (usa_homeFeature.feature[usa_currentUsaFeatureRotationItem].attributes.title).replace(/\s/g, '').toLowerCase();
					$('body').removeClass(usa_currentBodyClass);
					usa_currentBodyClass = bodyClass;
					$('body').addClass(bodyClass);
					
					usa_updateFeatureRotationNav();
					
					var fr = $("#usa_featureRotation");
					fr.find(".usa_featureRotationItem").each(function(index) {
						if (index == usa_currentUsaFeatureRotationItem)
						{
							$(this).fadeIn('slow', function () {
								usa_featureRotationTimeout = setTimeout('usa_showNextFeatureRotationItem()', usa_featureRotationInterval);
							});
							return false;
						}
					});
				});
				return false;
			}
		});
	}
}

function usa_loadFeatureRotation()
{
	usa_debugOut('fn: usa_loadFeatureRotation()');
	var fr = $("#usa_featureRotation");
	usa_totalUsaFeatureRotationItems = fr.find(".usa_featureRotationItem").length;
	/*
	// setup nav
	for (var i=0; i<usa_totalUsaFeatureRotationItems ; i++)
	{
		$().append();
	}
	*/
	usa_showNextFeatureRotationItem();
}