// JavaScript Document

var currentPanel = 1;
var totalPanels = 0;
var autoPlay = true;
var timePassed = 0;
var timeToChange = 15;

function autoAdvance(){
	
	if(window.timePassed == window.timeToChange){
		window.timePassed = 0;
		if(window.currentPanel == window.totalPanels){
			currentPanel = 0;	
		}
		if (autoPlay == true){
			$('.marquee_nav a.marquee_nav_item:nth-child('+(window.currentPanel+1)+')').trigger('click');
		}
		
	}else{
		window.timePassed += 1;	
	}
	/*debug*/ $('.timePassed').html('timePassed ='+ window.timePassed);
	/*debug*/ $('.autoPlay').html('autoPlay ='+ window.autoPlay);
	
}

$(document).ready(function(){
	
	/*debug*/ $('.autoPlay').html('autoPlay ='+ window.autoPlay);
	/*debug*/ $('.timePassed').html('timePassed ='+ window.timePassed);
	/*debug*/ $('.timeToChange').html('timeToChange ='+ window.timeToChange);
	/*debug*/ $('.currentPanel').html('currentPanel ='+ window.currentPanel);
	
	setInterval(autoAdvance, 1000);
	
	$('.marquee_container').hover(
		function(){
			window.autoPlay = false;
			$(this).removeClass('autoplay');
		},
		function(){
			window.autoPlay = true;
			window.timePassed = 0;
			$(this).addClass('autoplay');
		}
	);
	
	// Preload
	$('.marquee_panels img').imgpreload(function(){
		initializeMarquee();
	});
	
	//Generate Photo Lineup
	$('img.marquee_panel_photo').each(function(index){
		var photoWidth = $('.marquee_container').width();
		var photoPosition = index * photoWidth;
		$('.marquee_photos').append('<img class="marquee_photo" style="left:'+photoPosition+'" src="'+$(this).attr('src')+'" alt="'+$(this).attr('alt')+'" width="'+photoWidth+'" height="300" />');
		$('.marquee_photos').css('width', photoPosition+photoWidth);
	});
	
	//Generate Navigation Links
	$('.marquee_panels .marquee_panel').each(function(index){
		$('.marquee_nav').append('<a class="marquee_nav_item"></a>');
		window.totalPanels = index + 1;
		/*debug*/ $('.totalPanels').html('totalPanels ='+ window.totalPanels);	
	});
	
	//Set up Navigation Links
	$('.marquee_nav a.marquee_nav_item').click(function(){
		$('.marquee_nav a.marquee_nav_item').removeClass('selected');
		$(this).addClass('selected');
		
		var navClicked = $(this).index();
		var marqueeWidth = $('.marquee_container').width();
		var distanceToMove = marqueeWidth * (-1);
		var newPhotoPosition = navClicked * distanceToMove + 'px';
		var newCaption = $('.marquee_panel_caption').get(navClicked);
		window.currentPanel = navClicked + 1;
		/*debug*/ $('.currentPanel').html('currentPanel ='+ window.currentPanel);
		
		
		$('.marquee_photos').animate({left: newPhotoPosition}, 500);
		$('.marquee_caption').animate({top: '490px'}, 250, function(){
			var newHTML = $(newCaption).html();
			$('.marquee_caption_content').html(newHTML);
			setCaption();
			});
	});
});


function setCaption(){
	var captionHeight = $('.marquee_caption').height();
	var marqueeHeight = $('.marquee_container').height();
	var newCaptionHeight = marqueeHeight - captionHeight - 15;
	$('.marquee_caption').delay(100).animate({top: 30}, 250);

}

function initializeMarquee(){
	$('.marquee_caption_content').html(
		$('.marquee_panels .marquee_panel:first .marquee_panel_caption').html()
	);
	$('.marquee_nav a.marquee_nav_item:first').addClass('selected');
	$('.marquee_photos').fadeIn(1500);
	setCaption();
}