var pgInit = {}; pgInit.vars  = { promotions: '[{"id":"42","title":"Discover 'Serra D'Arga'","description":"2 night accommodation program","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=2&preselect=promo42&startDay=2018-07-01","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-as-7-lagoas-da-serra-d_arga1.jpg"},{"id":"29","title":"Atlantic 'Bike and Walking' Routes","description":"2 night accommodation program","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=2&preselect=promo29&startDay=2018-02-07","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-nova1.jpg"},{"id":"63","title":"Feira Canina e Felina - 1 noite","description":"Reserve o programa especial 1 noite","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=1&preselect=promo63&startDay=2019-04-12","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-12.png"},{"id":"62","title":"Feira Canina e Felina - 2 noites","description":"Reserve o programa especial 2 noites","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=2&preselect=promo62&startDay=2019-04-12","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-11.png"},{"id":"55","title":"Happy Anniversary","description":"1 night accommodation progeam","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=2&preselect=promo55&startDay=2018-10-29","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-annie-spratt-96532-unsplash1.jpg"},{"id":"31","title":"Escape for a Week","description":"5 night accommodation program","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=5&preselect=promo31&startDay=2018-02-11","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-programa-fuja-de-casa-por-5-noites1.jpg"},{"id":"38","title":"Happy Moments with your Four-LeggedFriend","description":"3 nights accommodation program","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=3&preselect=promo38&startDay=2018-02-07","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-programa-momentos-felizes-com-o-seu-4-patas1.jpg"},{"id":"32","title":"Minho Weekend","description":"Program with 2 nights of accommodation","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=2&preselect=promo32&startDay=2018-02-07","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-programa-no-minho-e-connosco1.jpg"},{"id":"33","title":"Wedding Night","description":"1 night accommodation program","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=1&preselect=promo33&startDay=2018-02-07","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-programa-noite-nupcial1.jpg"},{"id":"34","title":"Romantic Pack (1 night)","description":"1 night accommodation program","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=1&preselect=promo34&startDay=2018-02-07","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-programa-pack-roma-ntico1.jpg"},{"id":"35","title":"Romantic Pack (2 nights)","description":"2 night accommodation program","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=2&preselect=promo35&startDay=2018-02-07","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-programa-pack-roma-ntico2.jpg"},{"id":"39","title":"'Moinhos D'\u00c1gua da Montaria's Rail","description":"2 night accommodation program","linkLabel":"Click for more info","link":"10","bookBtn":"https:\/\/secure.guestcentric.net\/api\/bg\/book.php?apikey=93f2ac939780bba2d5416b0b33dd49b5&l=en&nrNights=2&preselect=promo39&startDay=2018-02-14","image":"https:\/\/secure.guestcentric.net\/bin\/a35d7471db111b01\/thumb-imagem-trilho-dos-moinhos1.jpg"}]', displayTime: 10, transitionTime: 1.5, frameworkPath: 'https://secure.guestcentric.net/js/yui/build/' };
/**
 * promotions gadget javascript file
 * @fileOverview
 * @author marco.lopes
 * @version 1.0
 * @since 2008-10-28
 */

(function()
{
	if(!pgInit.vars.frameworkPath)
	{
		alert("framework path for the weather gadget not found!");
		return;
	}
	
	//creating gadget info
	var gadget = {gadget: "promotionGadget", status: "waiting", start: init};
	
	//check for Guestcentric Gadgets Stack
	if(!window.gcGadgetStack)
	{
		//registering gcGadgetStack
		gadget.status = "loading";
		window.gcGadgetStack = [gadget];
		gadget.start();
	}
	else if(gcGadgetStack[gcGadgetStack.length-1].status === "loaded")
	{
		//registering gcGadgetStack
		gadget.status = "loading";
		gcGadgetStack.push(gadget);
		gadget.start();
	}
	else
	{
		//adding gadget to Guestcentric Gadgets Stack
		gcGadgetStack.push(gadget);
	}
	
	
	
	var G; //framework object
	
	/**
	 * load necessary YUI modules
	 * @param {Function} callback function to execute after loading the modules
	 */
	function loadYUIModules(callback)
	{
		//loading necessary files
		new YAHOO.util.YUILoader(
		{
			require: ["dom", "animation", "event", "json"],
			loadOptional: true,
			base: pgInit.vars.frameworkPath,
			onSuccess:	function()
						{
							callback();
						},
			onFailure:	function()
						{
							changeGadgetStatus();
						}
		}).insert();
	} //END OF loadYUIModules
	
	/**
	 * changes the gadget status
	 */
	function changeGadgetStatus()
	{
		//changing the gadget status
		for(var i=0, li=gcGadgetStack.length; i<li; i++)
		{
			var cur = gcGadgetStack[i];
			
			if(cur.status === "loading")
			{
				cur.status = "loaded";
			}
			else if(cur.status === "waiting")
			{
				cur.status = "loading";
				cur.start();
				break;
			}
		}
	} //END OF changeGadgetStatus
	
	
	/**
	 * initiates the promotion gadget widget
	 */
	function init()
	{
		//if there isn't YAHOO or gadget settings
		try
		{
			if(!(YAHOO && pgInit)) //FIXME
			{
				return;
			}
			
			//loading necessary YUI modules
			if(!YAHOO.util.Dom || YAHOO.util.Event || YAHOO.util.Animation || YAHOO.lang.JSON)
			{
				loadYUIModules(setGadget);
			}
			else
			{
				setGadget();
			}
		}
		catch(err)
		{
			//change widget status
			changeGadgetStatus();
			return false;
		}
		
	} //END OF init
	
	
	/**
	 * parse dom looking for the gadgets
	 */
	function setGadget()
	{
		//change widget status
		changeGadgetStatus();
		
		//get interface
		G = getInterface();
		
		//attaching the gadgets
		G.onDOMReady(parseGadgets);
	} //END OF setGadget
	
	
	/**
	 * parse the dom looking for gadgets
	 */
	function parseGadgets()
	{
		var nodes = G.byClass("promotionsgadget");
		pgInit.vars.decodedPromotions = G.parseJSON(pgInit.vars.promotions);
		
		for(var i=0, li=nodes.length; i<li; i++)
		{
			if(pgInit.vars.decodedPromotions.length === 0)
			{
				G.setStyle(nodes[i], "display", "none");
			}
			else
			{
				if(nodes[i].className.indexOf("parsed") === -1)
				{
					new PromotionsGadget(nodes[i], pgInit.vars);
				}
			}
			
		}
	} //END OF parseGadgets
	
	
	/**
	 * Promotions Gadget Class
	 * @param {Object} node the dom node to attach the gadget
	 * @param {Object} settings the promotions gadget settings
	 */
	var PromotionsGadget = function(node, settings)
	{
		//get vars
		this.interval = settings.displayTime;
		this.fadeTime = settings.transitionTime;
		
		//set node
		this.domNode = node;
		this.domNode.className += " parsed";
		
		/**
		 * insert promotion dom layout
		 */
		this.build = function()
		{
			var current = this.getPromotion();
			
			//add wrapper node
			this.wrapperNode =  G.createNode("div", {className: "prgWrapper"});
			G.inject(this.wrapperNode, node);
			
			//add promotion title
			this.titleNode = G.createNode("div", {className: "prgTitle", innerHTML: current.title});          
			G.inject(this.titleNode, this.wrapperNode);
			
			//add image wrapper node
			this.imgWrapperNode =  G.createNode("div", {className: "prgImgWrapper"});
			G.inject(this.imgWrapperNode, this.wrapperNode);
			
			//add image
			this.imgNode = G.createNode("img", {className: "prgImage", src: current.image});
			this.imgNode.style.visibility = (current.image) ? "visible" : "hidden";
			G.inject(this.imgNode, this.imgWrapperNode);
		
			//add link
			this.linkLabel = G.createNode("div", {className: "prgClick", innerHTML: current.linkLabel});          
			G.inject(this.linkLabel, this.wrapperNode);
			
			//add description
			this.description = G.createNode("div", {className: "prgDescription", innerHTML: current.description });          
			G.inject(this.description, this.wrapperNode);
			
			//store promotion link
			this.link = current.bookBtn;
			
			G.setStyle(node, "visibility", "visible");
			
			//attach link
			G.addEvent(node, "click", this.openPromotion, this, true);
			
			//add pointer
			G.setStyle(node, "cursor", "pointer");
		};
		
		/**
		 * open promotion page
		 */
		this.openPromotion = function()
		{
            var ga = window[window['GoogleAnalyticsObject']];
            var linkerParam = '';
            if (ga && ga.getAll) {
                linkerParam = '&' + ga.getAll()[0].get('linkerParam');
            }
            
			var link = this.link + "&url=" + encodeURIComponent(window.location.toString()) + linkerParam;
			if (window.self === window.top) {
				window.open(link, "_self");
			} else {
				// if in iframe (eg: facebook App)
				window.open(link, "_blank");
			}
		};
		
		/**
		 * refresh promotion
		 */
		this.refresh = function()
		{
			//get new promotion
			var callback, newPromotion = this.getPromotion();
			
			callback = function ()
			{
				//hide image if image source is empty
				if(!newPromotion.image)
				{
					this.imgNode.style.visibility = "hidden";
				}
				else
				{
					this.imgNode.style.visibility = "visible";
				}
				
				//insert data
				this.titleNode.innerHTML = newPromotion.title;
				this.imgNode.src = newPromotion.image;
				this.linkLabel.innerHTML = newPromotion.linkLabel;
				this.description.innerHTML = newPromotion.description;
				
				window.vars.push(newPromotion.description);
				
				//store promotion link
				this.link = newPromotion.bookBtn;
				
				//fade in
				G.fadeIn(node, this.fadeTime, null, this);
			};
			
			//fade out
			G.fadeOut(node, this.fadeTime, callback, this);
		};
		
		/**
		 * get promotion info
		 */
		this.getPromotion = function()
		{
			var promotions = settings.decodedPromotions, randIndex = 0;
			
			if(promotions.length > 1)
			{
				randIndex = parseInt(Math.random() * promotions.length, 10);
				while(randIndex === this.oldIndex)
				{
					randIndex = parseInt(Math.random() * promotions.length, 10);
				}
				this.oldIndex = randIndex;
			}
			
			return promotions[randIndex];
		};
		
		/**
		 * Get template opcaity value
		 */
		this.getOpacity = function(node)
		{
			return G.getStyle(node, "opacity");
		};
		
		// set the widget opacity
		this.opacity = this.getOpacity(node) || 1;
		
		//build promotion
		this.build();
		
		//establish timer
		G.later(this.interval * 1000, this, this.refresh); 
		
		
	}; //END OF PromotionsGadget
	
	
	/**
	 * creates the framework interface
	 * @return the necessary methods
	 * @type Object
	 */
	function getInterface()
	{
		var D = YAHOO.util.Dom;
		var E = YAHOO.util.Event;
		
		var frameworkInterface =	
		{
			/**
			 * gets a node by id
			 * @param {String} id node id
			 * @return html node
			 * @type Object
			 */
			byId: function(id)
			{
				return D.get(id);
			},
			
			/**
			 * gets nodes by class
			 * @param {String} class name
			 * @param {String} tagName type of tag that holds the class
			 * @param {String|Object} rootNode id of search start node 
			 * @return array of html nodes
			 * @type Array
			 */
			byClass: function(cssClass, tag, startNode)
			{
				return D.getElementsByClassName(cssClass, tag, startNode);
			},
			
			/**
			 * creates a node with the specified settings
			 * @param {Object} nodeType node tag type (div, span...)
			 * @param {Object} settings node settings (id, className...)
			 * @return the created node
			 * @type html node
			 */
			createNode: function(nodeType, settings)
			{
				var node = document.createElement(nodeType);
				
				for(var s in settings)
				{
					
					node[s] = settings[s];
				}
				
				return node;
			},
			
			/**
			 * appends a node 
			 * @param {Object} newNode
			 * @param {Object} referenceNode parent node
			 * @return status or domNode
			 */
			inject: function(newNode, referenceNode)
			{
				if(!newNode || !referenceNode) 
				{ 
					return false; 
				} 
				
				return G.byId(referenceNode).appendChild(newNode);
			},
			
			
			/**
			 * set node css style (inline)
			 * @param {Object} node dom node
			 * @param {String} property css property
			 * @param {String|Boolean} value property target value
			 */
			setStyle: function(node, property, value)
			{
				return YAHOO.util.Dom.setStyle(node, property, value);
			},
			
			/**
			 * get node css style
			 * @param {Object} node dom node
			 * @param {String} property css property
			 */
			getStyle: function(node, property)
			{
				return YAHOO.util.Dom.getStyle(node, property);
			},
			
			/**
			 * detects on dom ready event
			 * @param {Function} callback function
			 * @param {Object} args callback arguments
			 * @param {Boolean} callback run scope
			 * @return status
			 * @type Boolean
			 */
			onDOMReady: function(callback, args, scope)
			{
				return E.onDOMReady(callback, args, scope);
			},
			
			/**
			 * add an event to a node
			 * @param {Object} node domNode
			 * @param {String} event trigger
			 * @param {Function} callback function to execute
			 * @param {Object} args arguments
			 * @param {Boolean} scope run in args
			 */
			addEvent:	function(node, event, callback, args, scope)
			{
				return YAHOO.util.Event.addListener(node, event, callback, args, scope);
			},
			
			/**
			 * parses a string and trasforms it into an object
			 * @param {String} jsonString the json string
			 * @return the resultant json object
			 * @type Object
			 */
			parseJSON:	function(jsonString)
			{
				return YAHOO.lang.JSON.parse(jsonString);
			},
			
			
			/**
			 * create an animation
			 * @param {Object} node
			 * @param {Int} time in seconds
			 * @param {Object} obj Animation object
			 * @param {Function} callback function to execute after the animation
			 * @param {Object} scope object where the callback will run
			 */
			anim:	function(node, time, obj, callback, scope)
			{
				var anim = new YAHOO.util.Anim(node, obj, time, YAHOO.util.Easing.easeOut);
				
	            if(typeof callback == 'function')
				{
	                var f = function()
					{
	                    anim.onComplete.unsubscribe(f);
	                    callback.call(scope, anim);
	                };
					
	                anim.onComplete.subscribe(f, anim, true);
	            }
				
	            return anim.animate();
			},
			
			/**
			 * fades in a node
			 * @param {Object} node dom node to fade
			 * @param {Int} time in seconds
			 * @param {Function} callback function to execute after fade
			 * @param {Object} scope object where the callback will run
			 */
			fadeIn:	function(node, time, callback, scope)
			{
				return G.anim(node, time, { opacity: { to: scope.opacity} }, callback, scope);
			},
			
			/**
			 * fades out a node
			 * @param {Object} node dom node to fade
			 * @param {Int} time in seconds
			 * @param {Function} callback function to execute after fade
			 * @param {Object} scope object where the callback will run
			 */
			fadeOut:	function(node, time, callback, scope)
			{
				return G.anim(node, time, { opacity: { to: 0} }, callback, scope);
			},
			
			/**
			 * executes a function with a certain delay
			 * @param {Int} time in miliseconds
			 * @param {Object} obj object where the callback function will run
			 * @param {Object} callback function to be executed
			 * @param {Object} args arguments to the callback function
			 */
			later:	function(time, obj, callback, args)
			{
				return YAHOO.lang.later(time, obj, callback, args, true);
			}
		};
		
		return frameworkInterface; 
	} //END OF getInterface
	
	
	//check for Guestcentric Gadgets Stack
	if(!window.gcGadgetStack)
	{
		//registering gcGadgetStack
		gadget.status = "loading";
		window.gcGadgetStack = [gadget];
		window.gcGadgetStack[0].start();
	}
	else if(gcGadgetStack[gcGadgetStack.length-1].status === "loaded")
	{
		//registering gcGadgetStack
		gadget.status = "loading";
		gcGadgetStack.push(gadget);
		gadget.start();
	}
	else
	{
		//adding gadget to Guestcentric Gadgets Stack
		gcGadgetStack.push(gadget);
	}
	
})();

window.vars = [];