/*!
 * jQuery YouTube Popup Player Plugin v2.3
 * http://lab.abhinayrathore.com/jquery_youtube/
 * https://github.com/abhinayrathore/jQuery-YouTube-Popup-Player-Plugin
 */
(function ($, window) {
	var YouTubeDialog = null;
	var defaultCss = {};
	var methods = {
		//initialize plugin
		init: function (options) {
			options = $.extend({}, $.fn.YouTubePopup.defaults, options);

			// initialize YouTube Player Dialog
			if (YouTubeDialog == null) {
				YouTubeDialog = $('<div>').css({
					display: 'none',
					padding: 0
				});
				$('body').append(YouTubeDialog);
				YouTubeDialog.dialog({
					autoOpen: false,
					resizable: false,
					draggable: options.draggable,
					modal: options.modal,
					dialogClass: options.cssClass,
					create: function () {
						defaultCss.backgroundImage = $(".ui-dialog").css('background-image');
						defaultCss.border = $(".ui-dialog").css('border');
						defaultCss.backgroundColor = $(".ui-dialog").css('background-color');
					},
					close: function () {
						YouTubeDialog.html('');
						$(".ui-dialog-titlebar").show();
						$(".ui-dialog").css({
							'background-image': defaultCss.backgroundImage,
							'border': defaultCss.border,
							'background-color': defaultCss.backgroundColor
						});
					}
				});
			}

			return this.each(function () {
				var obj = $(this);
				var data = obj.data('YouTube');
				if (!data) { //check if event is already assigned
					obj.data('YouTube', {
						target: obj
					});
					$(obj).bind('click.YouTubePopup', function () {
						var youtubeId = options.youtubeId;
						if ($.trim(youtubeId) == '' && obj.is("a")) {
							youtubeId = getYouTubeIdFromUrl(obj.attr("href"));
						}
						if ($.trim(youtubeId) == '' || youtubeId === false) {
							youtubeId = obj.attr(options.idAttribute);
						}
						var videoTitle = $.trim(options.title);
						if (videoTitle == '') {
							if (options.useYouTubeTitle) setYouTubeTitle(youtubeId);
							else videoTitle = obj.attr('title');
						}

						//Format YouTube URL
						var YouTubeURL = window.location.protocol + "//www.youtube.com/embed/" + youtubeId + "?rel=0&showsearch=0&autohide=" + options.autohide;
						YouTubeURL += "&autoplay=" + options.autoplay + "&controls=" + options.controls + "&fs=" + options.fs + "&loop=" + options.loop;
						YouTubeURL += "&showinfo=" + options.showinfo + "&color=" + options.color + "&theme=" + options.theme;

						//Setup YouTube Dialog
						YouTubeDialog.html(getYouTubePlayer(YouTubeURL, options.width, options.height));
						YouTubeDialog.dialog({ //reset width and height
							width: 'auto',
							height: 'auto'
						});
						YouTubeDialog.dialog({
							minWidth: options.width,
							minHeight: options.height,
							title: videoTitle
						});
						YouTubeDialog.dialog('open');
						$(".ui-widget-overlay").fadeTo('fast', options.overlayOpacity); //set Overlay opacity
						var titleBar = $(".ui-dialog-titlebar");
						if (options.hideTitleBar && options.modal) { //hide Title Bar (only if Modal is enabled)
							titleBar.hide(); //hide Title Bar
							$(".ui-widget-overlay").click(function () { //automatically assign Click event to overlay
								YouTubeDialog.dialog("close");
							});
						}
						if (options.clickOutsideClose && options.modal) { //assign clickOutsideClose event only if Modal option is enabled
							$(".ui-widget-overlay").click(function () {
								YouTubeDialog.dialog("close");
							});
						}
						titleBar.removeClass("ui-corner-all").addClass("ui-corner-top"); //only round the top corners on titlebar
						if (!options.showBorder) {
							$(".ui-dialog").css({
								'background-image': 'none',
								'border': 'none',
								'background-color': 'transparent'
							});
						}
						return false;
					});
				}
			});
		},
		destroy: function () {
			return this.each(function () {
				$(this).unbind(".YouTubePopup");
				$(this).removeData('YouTube');
			});
		}
	};

	function getYouTubePlayer(URL, width, height) {
		var YouTubePlayer = '<iframe title="YouTube video player" style="margin:0; padding:0;" width="' + width + '" ';
		YouTubePlayer += 'height="' + height + '" src="' + URL + '" frameborder="0" allowfullscreen></iframe>';
		return YouTubePlayer;
	}

	function setYouTubeTitle(id) {
		var url = "https://gdata.youtube.com/feeds/api/videos/" + id + "?v=2&alt=json";
		$.ajax({
			url: url,
			dataType: 'jsonp',
			cache: true,
			success: function (data) {
				YouTubeDialog.dialog({
					title: data.entry.title.$t
				});
			}
		});
	}

	function getYouTubeIdFromUrl(youtubeUrl) {
		var regExp = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=)([^#\&\?]*).*/;
		var match = youtubeUrl.match(regExp);
		if (match && match[2].length == 11) {
			return match[2];
		} else {
			return false;
		}
	}

	$.fn.YouTubePopup = function (method) {
		if (methods[method]) {
			return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
		} else if (typeof method === 'object' || !method) {
			return methods.init.apply(this, arguments);
		} else {
			$.error('Method ' + method + ' does not exist on jQuery.YouTubePopup');
		}
	};

	//default configuration
	$.fn.YouTubePopup.defaults = {
		'youtubeId': '',
		'title': '',
		'useYouTubeTitle': true,
		'idAttribute': 'rel',
		'cssClass': 'YouTubeDialog',
		'draggable': false,
		'modal': true,
		'width': 640,
		'height': 480,
		'hideTitleBar': false,
		'clickOutsideClose': false,
		'overlayOpacity': 0.5,
		'autohide': 2,
		'autoplay': 1,
		'color': 'red',
		'controls': 1,
		'fs': 1,
		'loop': 0,
		'showinfo': 0,
		'theme': 'light',
		'showBorder': true
	};
})(jQuery, window);