// Home page hero shot image rotator
$(document).ready( function() {
	$('#slideshow').each( function() {
		var $container = $(this);
		
		// Replace no-javascript image class
		$('div.no-javascript-image').addClass('slideshow-image');
		
		var currentImg = 0, oldImg = 0;
		var hiddenPosition = $container.height() + 10;
		$('div.slideshow-image').eq(currentImg).css('top', 0).animate({ opacity: 1.0}, 'slow');
		var imgCount = $('div.slideshow-image').length;
		
		var pause;
		var rotateInProgress = false;
		var imgRotate = function() {
			if (!rotateInProgress) {
				rotateInProgress = true;
				pause = false;
				currentImg = (oldImg + 1) % imgCount;
				
				$('div.slideshow-image').eq(oldImg).fadeTo(1000, 0, function() { $(this).css('top', hiddenPosition); });
				$('div.slideshow-image').eq(currentImg).css({'top': 0}).animate({ opacity: 1.0}, 'slow', function() {
					rotateInProgress = false;
					if (!pause) {
						pause = setTimeout(imgRotate, 5000);
					} 
				});
				
				oldImg = currentImg;
			}
		};
		if (!pause) {
			pause = setTimeout(imgRotate, 5000);
		}
		
		$container.hover(function() {
			clearTimeout(pause);
			pause = false;
		}, function() {
			if (!pause) {
				pause = setTimeout(imgRotate, 250);
			}
		});
	});
});

// News feed set up
$(document).ready( function() {
	$('#news-feed').each(function() {
		var $container = $(this);
		$container.empty();
		
		var fadeHeight = $container.height() / 4;
		for (var yPos = 0; yPos < fadeHeight; yPos += 2) {
			$('<div></div>').css({opacity: yPos /fadeHeight, top: $container.height() - fadeHeight + yPos})
				.addClass('fade-slice').appendTo($container);
		}
		
		$.get('front/blog_feed', function(data) {
			$('rss item', data).each(function() {
				
				var $link = $('<a></a>').attr('href', $('link', this).text()).text($('title', this).text());
				var $headline = $('<h4></h4>').append($link);
				
				var pubDate = new Date($('pubDate', this).text());
        var pubMonth = pubDate.getMonth() + 1;
        var pubDay = pubDate.getDate(); 
        var pubYear = pubDate.getFullYear();
        var $publication = $('<div></div>')
          .addClass('publication-date')
          .text(pubDay + '/' + pubMonth + '/' + pubYear);
    
        var $summary = $('<div></div>')
          .addClass('summary')
          .html($('description', this).text());
        
        $('<div></div>')
					.addClass('headline')
          .append($headline)
          .append($publication)
          .append($summary)
          .appendTo($container);
			});
			
			var currentHeadline = 0, oldHeadline = 0;
			var hiddenPosition = $container.height() + 10;
			$('div.headline').eq(currentHeadline).css('top', 0);
			var headlineCount = $('div.headline').length;
			var pause;
			var rotateInProgress = false
			var headlineRotate = function() {
				if (!rotateInProgress) {
					rotateInProgress = true;
					pause = false;
					currentHeadline = (oldHeadline + 1) % headlineCount;
					// Animate the headline positions here
					$('div.headline').eq(oldHeadline).animate( {top: -hiddenPosition}, 'slow', function() { $(this).css('top', hiddenPosition); });
					$('div.headline').eq(currentHeadline).animate( {top: 0}, 'slow', function() {
						rotateInProgress = false;
						if (!pause) {
							pause = setTimeout(headlineRotate, 5000);
						} 
					});
				
					oldHeadline = currentHeadline;
				}
			};
			if (!pause) {
				pause = setTimeout(headlineRotate, 5000);
			}
			
			$container.hover(function() {
				clearTimeout(pause);
				pause = false;
			}, function() {
				if (!pause) {
					pause = setTimeout(headlineRotate, 250);
				}
			});
			
		});
	});
});