$(function(){

	$('.accordion h2').click(function() {

		$(this).next('.answer').slideToggle(200);
		$(this).toggleClass('close');

	});

	//Initialise the gallery carousel
	$('#carousel').jCarouselLite({
		btnNext: ".carouselnext",
		btnPrev: ".carouselprev",
		visible: 4
	});

	//The following functions control the hero video on the Understanding DDoS page
	var $win = $(window),
	$video = $('.video'),
	$videoBackgroundImage = $video.css('background-image'),
	$videoCont = $('.video-container'),
	$videoWrap = $('.video-wrap'),
	$stopBtn = $('.stopbtn'),
	$controls = $('.controls'),
	$watchBtn = $('.watchbtn');

	$watchBtn.click(function(){
		autoPlayVideo(youtube_id_for_animation); //declared in what_is_ddos.html
	});
	$stopBtn.click(function(){
		stopVideo();
	});

	// Set the initial dimensions.
	setVideoWrapDims();

	// Adjust dims on reize. TODO: debounce this.
	//$win.on('resize', setVideoWrapDims);

	function setVideoWrapDims(){
		var dims = {
			'width': $videoCont.width(),
			'height': $videoCont.height() + 100,
			'margin-left': '-' + ($videoCont.width() / 2) + 'px',
			'margin-top': '-' + (($videoCont.height() + 100) / 2) + 'px'
		};
		$videoWrap.css(dims);
	}

	function autoPlayVideo(vcode){
		//Function to fade out the play button and title text then auto play the hero video
		$controls.fadeOut('fast');
		$stopBtn.fadeIn('fast');
		$videoWrap.html('<iframe width="100%" height="100%" src="proxy.php?url=https%3A%2F%2Fwww.youtube.com%2Fembed%2F"+vcode+'?autoplay=1&amp;controls=0&amp;modestbranding=1&amp;rel=0&amp;showinfo=0&amp;iv_load_policy=3&amp;enablejsapi=1" frameborder="0" allowfullscreen wmode="Opaque"></iframe>');
		$video.css('background-image','none').animate({height: '650px',});
		setVideoWrapDims();
	}

	function stopVideo(){
		//Undo the autoPlayVideo function
		$stopBtn.fadeOut('fast');
		$controls.fadeIn('slow');
		$videoWrap.empty();
		$video.css('background-image', $videoBackgroundImage).animate({height: '500px'});
	}

	//The following functions control custom share text / urls for G+, Twitter, Facebook

	function getUrlParam(name){
		var results = new RegExp('[\\?&]' + name + '=([^&#]*)').exec(window.location.href);
		if (results){
			return results[1] || 0;
		}
		return false;
	}

	function getDateFromUrl(){
		var day, month, year;
		var unixTime = getUrlParam('time') * 86400 * 1000;
		if (unixTime !== 0){
			var date = new Date(unixTime);
			month = date.getUTCMonth() + 1;
			day = date.getUTCDate();
			year = date.getUTCFullYear();
			return month + "/" + day + "/" + year;
		}
		return false;
	}

	function getCurrentUrlForSharing(){
		//Shorten it. Encode it.
		var longUrl = window.location.href;
		return encodeURIComponent(longUrl);
	}

	function buildShareText(){
		var date = getDateFromUrl();
		var baseMsg = "Digital Attack Map";
		if (date){
			return baseMsg + " - DDoS attacks on " + date;
		}else{
			return baseMsg + " - DDoS attacks around the globe";
		}
	}

	$('a.twitter').click(function(e){
		e.preventDefault();
		window.open('https://twitter.com/share?url='+ getCurrentUrlForSharing() + '&text=' + buildShareText() + '&', 'twitterwindow', 'height=450, width=550, top='+($(window).height()/2 - 225) +', left='+$(window).width()/2 +', toolbar=0, location=0, menubar=0, directories=0, scrollbars=0');
		return false;
	});

	$('a.facebook').click(function(e){
		e.preventDefault();
		var leftPosition, topPosition, width=400, height=300;
		leftPosition = (window.screen.width / 2) - ((width / 2) + 10);
		topPosition = (window.screen.height / 2) - ((height / 2) + 50);
		var windowFeatures = "status=no,height=" + height + ",width=" + width + ",resizable=yes,left=" + leftPosition + ",top=" + topPosition + ",screenX=" + leftPosition + ",screenY=" + topPosition + ",toolbar=no,menubar=no,scrollbars=no,location=no,directories=no";
		window.open('http://www.facebook.com/sharer.php?u=' + getCurrentUrlForSharing() + '&p[summary]=' + buildShareText(),'sharer', windowFeatures);
		return false;
	});

	$('a.gplus').click(function(e){
		e.preventDefault();
		window.open('https://plus.google.com/share?url=' + getCurrentUrlForSharing(),'','menubar=no,toolbar=no,resizable=yes,scrollbars=yes,height=600,width=600');
		return false;
	});
});