/*
 * All java script logic for the application.
 *
 * The code relies on the jQuery JS library to
 * be also loaded.
 */

var app = (function(jQuery){

	if (!jQuery) {
		alert(app.resources["MISSING_LIB"]);
		return null;
	}
	
	// Global dw private data goes here	

	// dw scope public
	return {
		URLs			: {}, // holds dw specific urls, check htmlhead.isml for some examples
		resources		: {},  // resource strings used in js
		constants		: {}, // platform constants, initialized in htmlhead.isml
		containerId		: "content",
		ProductCache	: null,  // app.Product object ref to the current/main product
		clearDivHtml	: "<div class=\"clear\"><!-- W3C Clearing --></div>",
		currencyCodes	: {}, // holds currency code/symbol for the site

		// default dialog box settings
		dialogSettings: {
				bgiframe: true, // this is required mainly for IE6 where drop downs bleed into dialogs!!! it depends on 
				autoOpen: false,
				buttons: {},
				modal: true,
				overlay: {
		    		opacity: 0.5,
		     		background: "black"
				},
		    	height: 530,
		    	width: 800,
		    	title: '',
		    	// show: "slow", This is causing dialog to break in jquery 1.3.2 rel, show: "slide" works but not desired
		    	hide: "normal",
		    	resizable: false
		},

		// default tooltip settings
		tooltipSettings: {
				delay: 0,
				showURL: false,
				extraClass: "tooltipshadow tooltipshadow02",
				top: 15,
				left: 5
		},

		// global form validator settings
		validatorSettings: {
			errorClass : 'errorclient',
			errorElement: 'span',
			
		    onfocusout: function(element) {
				if ( !this.checkable(element) ) {
					this.element(element);
				}				
			}
		},

		// app initializations called from jQuery(document).ready at the end of the file
		init: function() {

			// register initializations here
			// quick view dialog div
			jQuery("<div/>").attr("id", "QuickViewDialog").html(" ").appendTo(document.body);

			app.validator();

			// extract hidden data and turn them into jQuery data objects
			app.hiddenData();
			
			// renders horizontal/vertical carousels for product slots
			
		},
	
		// sub namespace app.ajax.* contains application specific ajax components
		ajax: {
			Success: "success",
			currentRequests: {}, // request cache

			// ajax request to get json response
			// @param - reqName - String - name of the request
			// @param - async - boolean - asynchronous or not
			// @param - url - String - uri for the request
			// @param - data - name/value pair data request
			// @param - callback - function - callback function to be called
			getJson: function(options) {
				var thisAjax = this;

				// do not bother if the request is already in progress
				// and let go null reqName
				if (!options.reqName || !this.currentRequests[options.reqName]) {
					this.currentRequests[options.reqName] = true;
					if(options.async == "undefined") options.async = true;
					// make the server call
					jQuery.ajax({
						contentType: "application/json; charset=utf-8",
						dataType: "json",
						url		: options.url,
						cache	: true,
						async	: options.async,
						data	: options.data,

						success: function(response, textStatus) {
							thisAjax.currentRequests[options.reqName] = false;

							if (!response.Success) {
								// handle failure
							}

							options.callback(response, textStatus);
						},

						error: function(request, textStatus, error) {
							if (textStatus === "parsererror") {								
								alert(app.resources["BAD_RESPONSE"]);
							}
							
							options.callback({Success: false, data:{}});
						}
					});
				}
			},

			// ajax request to load html response in a given container
			// @param - reqName - String - name of the request
			// @param - url - String - uri for the request
			// @param - data - name/value pair data request
			// @param - callback - function - callback function to be called
			// @param - selector - string - id of the container div/span (#mycontainer) - it must start with '#'
			load: function(options) {

				var thisAjax = this;

				// do not bother if the request is already in progress
				// and let go null reqname
				if (!options.reqName || !this.currentRequests[options.reqName]) {
					this.currentRequests[options.reqName] = true;
					// make the server call
					jQuery.ajax({
						dataType: "html",
						url		: options.url,
						cache	: true,
						data	: options.data,

						success: function(response, textStatus) {
							thisAjax.currentRequests[options.reqName] = false;
							
							if (options.selector) {
								jQuery(options.selector).html(response);
							}

							(options.callback != undefined ? options.callback(response, textStatus): null)
						},

						error: function(request, textStatus, error) {
							if (textStatus === "parsererror") {								
								alert(app.resources["BAD_RESPONSE"]);
							}

							options.callback(null, textStatus);
						}
					});
				}
			}
		},

		// loads a product into a given container div
		// params
		// 		containerId - id of the container div, if empty then global app.containerId is used
		//		source - source string e.g. search, cart etc.
		//		label - label for the add to cart button, default is Add to Cart
		//		url - url to get the product
		//		id - id of the product to get, is optional only used when url is empty
		getProduct: function(options) { // id, source, start
			var cId 		= options.containerId || app.containerId;
			var source 		= options.source || "";
			var a2cBtnLabel = options.label || null;

			// show small loading image
			jQuery("#"+cId).html(app.showProgress("productloader"));

			var productUrl = options.url ? options.url : app.util.appendParamToURL(app.URLs.getProductUrl, "pid", options.id);
						
			productUrl = app.util.appendParamToURL(productUrl, "source", source);

			app.ajax.load({selector: "#"+cId, url: productUrl, callback: function(responseText, textStatus){
				// update the Add to cart button label if one provided
				(a2cBtnLabel != null ? jQuery("#"+cId+" .addtocartbutton:last").html(a2cBtnLabel) : '');
			}});
		},

		// sub name space app.minicart.* provides functionality around the mini cart
		minicart: {
			url   : '',  // during page loading, the Demandware URL is stored here
			timer : null, // timer for automatic close of cart item view

			// adds a product to the mini cart
			// @params
			// progressImageSrc - source/url of the image to show when the item is being added to the cart
			// postdata - form data containing the product information to be added to mini-cart
			// callback - call back function/handler
			add: function(progressImageSrc, pid,cgid,deleteUUID)
			{	
				var Quantity = $("#quantity").attr("value");
				var temp = app.util.appendParamToURL(app.minicart.url, "pid",pid);
				var url = app.util.appendParamToURL(temp, "cgid",cgid);
				var url = app.util.appendParamToURL(url, "Quantity",Quantity);
				var url = app.util.appendParamToURL(url, "deleteUUID",deleteUUID);
				
				
				
				
				$.get(url ,function(transport) {						
					var returnValue = transport;
					try{
							jQuery('#minicart').html(returnValue);
							shopBagToggle();
							$(".pop_curtain").remove();
							$(".select_variance").hide();					
						}
					catch(e){
							alert(e);
					}
				},"text");
				
				invokeCoremetrics_addProdToBag(pid,cgid);
			},
		//adding the product to the bundle
		addBundle: function(progressImageSrc, pid,cgid,deleteUUID){	
			var Quantity = $("#quantity").attr("value");
			var temp = app.util.appendParamToURL(app.minicart.url, "pid",pid);
			var url = app.util.appendParamToURL(temp, "cgid",cgid);
			var url = app.util.appendParamToURL(url, "Quantity",Quantity);
			var url = app.util.appendParamToURL(url, "deleteUUID",deleteUUID);
			var bundleElements = $(".variance_select_form");
			var i;
			for(i in bundleElements) {
				if(bundleElements[i].name == 'bundleVariant'){
					var url = app.util.appendParamToURL(url, "bundleVariant",bundleElements[i].value);
				}
			}
			$.get(url ,function(transport) {						
				var returnValue = transport;
				try{
						jQuery('#minicart').html(returnValue);
						shopBagToggle();
						$(".pop_curtain").remove();
						$(".select_variance").hide();					
					}
				catch(e){
						alert(e);
				}
			},"text");
			
			invokeCoremetrics_addProdToBag(pid,cgid);
		}
		},
				
		// close quick view dialog if open and refresh the page
		refreshCart: function() {
			app.quickView.close();

			// refresh without posting
			location.href = location.href;
		},

		// Product quick view object

		
		artistView: {
			// bind browser events
			// options
			// artistLinkSelector - css selector for quickview button link (a tag)
			bindEvents: function(options) {
				
				jQuery(options.artistLinkSelector).click(function(e) {
					app.artistView.show({url: this.href, source: "quickview"});
					return false;
				});

				
			},
			
			show: function(options) {
				app.createDialog({id: 'QuickViewDialog', options: {
			    	height: 530,
			    	width: 800,
			    	dialogClass: 'quickview',
			    	title: 'Product Quickview',
			    	resizable: false
				}});

			    jQuery('#QuickViewDialog').dialog('open');
			    app.getProduct({containerId: "QuickViewDialog", source: options.source, url: options.url, label: options.label});
			},
			// close the quick view dialog
			close: function() {
				jQuery('#QuickViewDialog').dialog('close');
			}
		},
		quickView: {
			// bind browser events
			// options
			// buttonSelector - css selector for the quickview button
			// imageSelector - css selector for product image
			// buttonLinkSelector - css selector for quickview button link (a tag)
			// productNameLinkSelector - css selector for product name link (a tag)
			bindEvents: function(options) {
				
				// hide quickview buttons
				jQuery(options.buttonSelector).hide();
				

				// hovering
				jQuery(options.imageSelector).hover(
					function(e) {
						jQuery(this).children(options.buttonSelector).show();
						return false;
					},
					function(e) {
						jQuery(this).children(options.buttonSelector).hide();
						return false;
					}
				);

				// click binding for quick view
				jQuery(options.buttonLinkSelector).click(function(e) {
					app.quickView.show({url: this.href, source: "quickview"});
					return false;
				});
				

				/*
				To make bookmarking and browser back-button work correctly the browser URL needs 
				to change. To force that change we do a full-page load (not AJAX) when going from 
				search result page to product detail page.
				The implementation supports loading the product detail content with AJAX: just 
				uncomment this code block to bind the event handler.
				
				// click binding for name link
				if(options.productNameLinkSelector) {
					jQuery(options.productNameLinkSelector).click(function(e) {
						app.getProduct({url: this.href, source: "search"});
						return false;
					});
				}
				*/
			},

			// show quick view dialog and send request to the server to get the product
			// options.source - source of the dialog i.e. search/cart
			// options.url - product url
			show: function(options) {
				app.createDialog({id: 'QuickViewDialog', options: {
			    	height: 530,
			    	width: 800,
			    	dialogClass: 'quickview',
			    	title: 'Product Quickview',
			    	resizable: false
				}});

			    jQuery('#QuickViewDialog').dialog('open');
			    app.getProduct({containerId: "QuickViewDialog", source: options.source, url: options.url, label: options.label});
			},
			// close the quick view dialog
			close: function() {
				jQuery('#QuickViewDialog').dialog('close');
			}
		},

		// helper method to create a dialog with the given options
		// options - dialog box options along with id of the container
		createDialog: function(options) {
			jQuery('#'+options.id).dialog(jQuery.extend({}, app.dialogSettings, options.options));
		},

		// shows tooltip popup
		// options
		// id - id of the container
		// options - tooltip popup options
		tooltip: function(options) {
			if (options.id.charAt(0) !== '#') {
				options.id = "#"+options.id;
			}
			jQuery(options.id).tooltip(jQuery.extend({}, app.tooltipSettings, options.options));
		},

		// renders a progress indicator on the page; this function can be used
		// to indicate an ongoing progress to the user; the optional parameter "className"
		// can be used to attach an additional CSS class to the container
		showProgress : function(className) {
			var clazz = "loading";
			if (className) clazz += " " + className;
			return jQuery("<div class=\"" + clazz + "\"/>").append(jQuery("<img/>").attr("src", app.URLs.loadingSmallImg));
		},

		// validation plugin intialization
		validator: function() {
			// override default required field message
			jQuery.validator.messages.required = function($1, ele, $3) {
				return "";
			};

			// register form validator for form elements
			// except for those which are marked "suppress"
			jQuery.each(jQuery("form:not(.suppress)"), function() {
				jQuery(this).validate(app.validatorSettings);
			});
		},

		// grab anything inside a hidden span and append it to its immediate previous sibling
		hiddenData : function() {
			jQuery.each(jQuery(".hidden"), function() {
				var hiddenStr = jQuery(this).html();
				
				if (hiddenStr === "") {
					return;
				}
				
				// see if its a json string
				if (jQuery(this).hasClass("json")) {
					// try to parse it as a json
					try {
						hiddenStr = window["eval"]("(" + hiddenStr + ")");
					}
					catch(e) {}				
				}
				
				jQuery(this).prev().data("data", hiddenStr);
				
				jQuery(this).remove();
			});
		},
		
		// capture recommendation of each product when it becomes visible in the carousel
		captureCarouselRecommendations : function(c, li, index, state) {
			jQuery(li).find(".captureproductid").each(function() {
				dw.ac.capture({id:this.innerHTML, type:dw.ac.EV_PRD_RECOMMENDATION});
			});
		},

		// sub namespace app.producttile.* contains utility functions for product tiles
		producttile : {
			// initializes all product tiles contained in the current page
			initAll: function() {
				// bind quick view button toggling and click
				var quickViewOptions = {
					buttonSelector: "div.producttile div.quickviewbutton",
					imageSelector: "div.producttile div.image",
					buttonLinkSelector: "div.producttile div.quickviewbutton a"
				};
				app.quickView.bindEvents(quickViewOptions);
				
				
				
				// prepare swatch palettes and thumbnails
				jQuery("div.producttile div.swatches div.invisible").hide();
				jQuery("div.producttile div.swatches a.swatch img.hiddenthumbnail").hide();
				
				// show the palette
				jQuery("div.producttile div.swatches > a").click(function(e) {
					var cont = jQuery(this).parent().find("div.palette");
					cont.show().focus();
					return false;
				});
				
				// hide the palette
				jQuery("div.producttile div.swatches div.invisible").mouseout(function(e) {
					// fix for event bubbling (http://www.quirksmode.org/js/events_mouse.html)
					if(!e) var e = window.event;
					var tg = (window.event) ? e.srcElement : e.target;
					if(tg.nodeName != 'DIV') return;
					var reltg = (e.relatedTarget) ? e.relatedTarget : e.toElement;
					while(reltg != tg && reltg.nodeName != 'BODY')
						reltg = reltg.parentNode
					if (reltg == tg) return;
					
					// mouseout took place when mouse actually left layer
					// handle event now
					jQuery(this).hide();
					return false;
				});
				
				// thumb nail toggling
				jQuery("div.producttile div.swatches div.palette a.swatch").bind("mouseover mouseout", function(e) {
					var swatch = jQuery(this);
					app.producttile.toggleVariationThumbnail(swatch);
				});
				
				// color swatch selection
				jQuery("div.producttile div.swatches div.palette a.swatch").click(function(e) {
					var swatch = jQuery(this);
					app.producttile.selectVariation(swatch);
					// omit following the swatch link
					return false;
				});
			},
			initArtist: function(){
				var artistViewOptions = {
						artistLinkSelector: "div.artistry1 a"
					};
				app.artistView.bindEvents(artistViewOptions);
			},

			// selects a certain variation in a product tile, replaces the current image with
			// the correct variation image, changes the link to the detail
			// page and the quick view
			selectVariation : function(swatch) {
				// get the new and the original image
				var currentImg = jQuery(swatch.parents()[3]).find(".productimage img");
				var newImg = swatch.children("img.hiddenthumbnail");
				if(!currentImg || !newImg) return;
				
				// get the anchors
				var nameAnchor = swatch.parents(".producttile").find(".name a");
				var quickViewAnchor = swatch.parents(".producttile").find(".quickviewbutton a");
				var imageAnchor = swatch.parents(".producttile").find(".productimage a");
				
				// change the link url to the detail page and quick view
				var newUrl = swatch.attr("href");
				nameAnchor.attr("href", newUrl);
				quickViewAnchor.attr("href", newUrl);
				imageAnchor.attr("href", newUrl);
				
				// remove all current markers
				jQuery(swatch.parents()[0]).find("a.swatch").removeClass("selected");
				
				// mark swatch as selected
				swatch.addClass("selected");
				// we just remove the markers at the images; the actual elements
				// are correct, since they were already swapped by mouse over
				currentImg.removeClass("temp original");
				newImg.removeClass("temp original");
			},

			// shows the thumb nail of a product; this function is used to
			// temporally display a new image and restore the original one
			toggleVariationThumbnail : function(swatch) {
				// get the new and the original image
				var currentImg = jQuery(swatch.parents()[3]).find(".productimage img");
				var newImg = swatch.children("img.hiddenthumbnail");
				if(!newImg || !currentImg) return;
					
				// we do nothing in case the swatch is already selected
				if(swatch.hasClass("selected")) return;
				
				if(currentImg.hasClass("temp")) {
					// current image is just a temp image
					// restore original and reset temp image
					var currentCopy = currentImg.clone().hide().removeClass("temp").addClass("hiddenthumbnail");
					var newCopy = newImg.clone().show().removeClass("original hiddenthumbnail");
					currentImg.replaceWith(newCopy[0]);
					newImg.replaceWith(currentCopy[0]);
				} else {
					// we create copies of each image, replace
					// the current with the copies and mark them with classes
					var currentCopy = currentImg.clone().hide().addClass("original hiddenthumbnail");
					var newCopy = newImg.clone().show().addClass("temp").removeClass("hiddenthumbnail");
					currentImg.replaceWith(newCopy[0]);
					newImg.replaceWith(currentCopy[0]);
				}
			}
		},

		// sub namespace app.util.* contains utility functions
		util : {
			// disables browser auto completion for the given element
			disableAutoComplete : function(elemId) {
				jQuery("#"+elemId).attr("autocomplete", "off");
			},

			// trims a prefix from a given string, this can be used to trim
			// a certain prefix from DOM element IDs for further processing on the ID
			trimPrefix : function(str, prefix) {
				return str.substring(prefix.length);
			},

			// appends the parameter with the given name and
			// value to the given url and returns the changed url
			appendParamToURL : function(url, name, value) {
				var c = "?";
				if(url.indexOf(c) != -1) {
					c = "&";
				}
				return url + c + name + "=" + encodeURIComponent(value);
			},

			// dynamically loads a CSS file
			loadCSSFile : function(url) {
				var elem = document.createElement("link");
				elem.setAttribute("rel", "stylesheet");
				elem.setAttribute("type", "text/css");
				elem.setAttribute("href", url);

				if(typeof elem != "undefined") {
					document.getElementsByTagName("head")[0].appendChild(elem);
					app.util.loadedCSSFiles.push(url);
				}
			},

			// array to keep track of the dynamically loaded CSS files
			loadedCSSFiles : [],

			// removes all dynamically loaded CSS files
			clearDynamicCSS : function() {
				for(var i=0; i<app.util.loadedCSSFiles.length; i++) {
					app.util.unloadCSSFile(app.util.loadedCSSFiles[i]);
				}
			},

			// dynamically unloads a CSS file
			unloadCSSFile : function(url) {
				var candidates = document.getElementsByTagName("link");
				for(var i=candidates.length; i>=0; i--) {
					if(candidates[i] && candidates[i].getAttribute("href") != null && candidates[i].getAttribute("href").indexOf(url) != -1) {
						candidates[i].parentNode.removeChild(candidates[i]);
					}
				}
			},

			// checks if cookies are enabled
			cookiesEnabled : function() {
				var currentCookie = document.cookie;
				document.cookie = "Enabled=true";
				var cookieValid = document.cookie;
				var result = false;

				if(cookieValid.indexOf("Enabled=true") != -1) {
					result = true;
				}

				document.cookie = currentCookie;
				return result;
			}
		},

		// sub namespace app.dialog.* provides convenient functions to handle dialogs
		// note, that this code relies on single dialog modals (multi dialog, e.g. modal in modal is not supported)
		dialog : {
			// opens a dialog using the given url
			open : function(url, title) {
				// create the dialog container if not present already
				if(jQuery("#dialogcontainer").length == 0) {
					jQuery(document.body).append("<div id=\"dialogcontainer\"></div>");
				}

				// set a default title
				title = title || "Dialog";

				// finally load the dialog, set the dialog title
				app.ajax.load({
					selector: "#dialogcontainer",
					url: url,
					callback: function() {
						app.dialog.checkOpen();
						app.dialog.setTitle(title);
					}
				});
			},

			// initializes the dialog with common dialog actions, like closing upon canceling
			// use this function in the dialog rendering template to re-bind common actions
			// upon dialog reload
			init : function() {
				jQuery(document).ready(function() {
					// binds the action to all buttons defining an action through the "name" attribute
					jQuery("#dialogcontainer button").each(function() {
						jQuery(this).click(function() {
							var action = jQuery(this).attr("name");
							if(action) {
								app.dialog.submit(action);
							}
							return false;
						});
					});

					// cancel button binding
					jQuery("#dialogCancelBtn").click(function() {
						app.dialog.close();
						return false;
					});
				});
			},

			// sets the title of the dialog
			setTitle : function(title) {
				jQuery("#dialogcontainer").dialog("option", "title", title);
			},

			// checks, if the dialog is in the state "open" and sets the state if not presently set
			// this function is implicitly called by app.dialog.open(url, title) in order to initialize
			// the dialog properly; use this function to recover the "open" state of a dialog
			checkOpen : function() {
				if(!jQuery("#dialogcontainer").dialog("isOpen"))
				{
					jQuery("#dialogcontainer").dialog({
						bgiframe: true,
						autoOpen: false,
						modal: true,
						overlay: {
				    		opacity: 0.5,
				     		background: "black"
						},
				    	height: 425,
				    	width: 460,
				    	resizable: false
					});
					jQuery("#dialogcontainer").dialog("open");
				}
			},

			// closes the dialog and triggers the "close" event for the dialog
			close : function() {
				jQuery("#dialogcontainer").dialog("close");
				jQuery(document.body).trigger("dialogClosed");
			},

			// attaches the given callback function upon dialog "close" event
			onClose : function(callback) {
				if(callback != undefined) {
					jQuery(document.body).bind("dialogClosed", callback);
				}
			},

			// triggers the "apply" event for the dialog
			triggerApply : function() {
				jQuery(document.body).trigger("dialogApplied");
			},

			// attaches the given callback function upon dialog "apply" event
			onApply : function(callback) {
				if(callback != undefined) {
					jQuery(document.body).bind("dialogApplied", callback);
				}
			},

			// triggers the "delete" event for the dialog
			triggerDelete : function() {
				jQuery(document.body).trigger("dialogDeleted");
			},

			// attaches the given callback function upon dialog "delete" event
			onDelete : function(callback) {
				if(callback != undefined) {
					jQuery(document.body).bind("dialogDeleted", callback);
				}
			},

			// submits the dialog form with the given action
			submit : function(action) {
				// set the action
				jQuery("#dialogcontainer form").append("<input name=\"" + action + "\" type=\"hidden\" />");

				// serialize the form and get the post url
				var post = jQuery("#dialogcontainer form").serialize();
				var url = jQuery("#dialogcontainer form").attr("action");

				// post the data and replace current content with response content
		  		jQuery.ajax({
				   type: "POST",
				   url: url,
				   data: post,
				   dataType: "html",
				   success: function(data){
		  				jQuery("#dialogcontainer").empty().html(data);
				   },
				   failure: function(data) {
					   alert(app.resources["SERVER_ERROR"]);
				   }
				});
			}
		}
	}
})(jQuery);

// application initialization on dom ready
jQuery(document).ready(function(){
	app.init();
	app.producttile.initArtist();
});