//JS Object : update the cart by ajax actions
var ajaxCart = {
	
	//override every button in the page in relation to the cart
	overrideButtonsInThePage : function(){
		//for every 'add' buttons...
		$('.ajax_add_to_cart_button').unbind('click').click(function(){
			var idProduct =  $(this).attr('rel').replace('ajax_id_product_', '');
			ajaxCart.add(idProduct, null, false, this);
			return false;
		});
		//for product page 'add' button...
		$('body#product p#add_to_cart input').unbind('click').click(function(){
			ajaxCart.add( $('#product_page_product_id').val(), $('#idCombination').val(), true, null, $('#quantity_wanted').val(), null);
			return false;
		});
	
		//for 'delete' buttons in the cart block...
		$('.ajax_cart_block_remove_link').unbind('click').click(function(){
			// Customized product management
			var customizationId = 0;
			var productId = 0;
			var productAttributeId = 0;
			if ($($(this).parent().parent()).attr('name') == 'customization')
				// Reverse two levels: a >> div >> li
				var customizableProductDiv = $($(this).parent().parent()).find("div[@id^=deleteCustomizableProduct_]");
			else
				var customizableProductDiv = $($(this).parent()).find("div[@id^=deleteCustomizableProduct_]");
			if (customizableProductDiv && $(customizableProductDiv).length)
			{
				$(customizableProductDiv).each(function(){
					var ids = $(this).attr('id').split('_');
					if (typeof(ids[1]) != 'undefined')
					{
						customizationId = parseInt(ids[1]);
						productId = parseInt(ids[2]);
						if (typeof(ids[3]) != 'undefined')
							productAttributeId = parseInt(ids[3]);
						return false;
					}
				});
			}

			// Common product management
			if (!customizationId)
			{
				//retrieve idProduct and idCombination from the displayed product in the block cart
				var firstCut = $(this).parent().parent().attr('id').replace('cart_block_product_', '');
				firstCut = firstCut.replace('deleteCustomizableProduct_', '');
				ids = firstCut.split('_');		
				productId = parseInt(ids[0]);
				if (typeof(ids[1]) != 'undefined')
					productAttributeId = parseInt(ids[1]);
			}

			// Removing product from the cart
			ajaxCart.remove(productId, productAttributeId, customizationId);
			return false;
		});
	},
	
	// try to expand the cart
	expand : function(){
		if ($('#cart_block #cart_block_list').hasClass('collapsed'))
		{
			$('#cart_block #cart_block_summary').slideUp(200, function(){
				$(this).addClass('collapsed').removeClass('expanded');
				$('#cart_block #cart_block_list').slideDown({
					duration: 600,
					complete: function(){$(this).addClass('expanded').removeClass('collapsed');}
				});
			});
			// toogle the button expand/collapse button
			$('#cart_block h4 span#block_cart_expand').fadeOut('slow', function(){
				$('#cart_block h4 span#block_cart_collapse').fadeIn('fast');
			});
			
			// save the expand statut in the user cookie
			$.ajax({
				type: 'GET',
				url: baseDir + 'modules/blockcart/blockcart-set-collapse.php',
				async: true,
				data: 'ajax_blockcart_display=expand' + '&rand=' + new Date().getTime()
			});
			
			
		}
	},
	
	// cart to fix display when using back and previous browsers buttons
	refresh : function(){
		//send the ajax request to the server
		$.ajax({
			type: 'GET',
			url: baseDir + 'cart.php',
			async: true,
			cache: false,
			dataType : "json",
			data: 'ajax=true&token=' + static_token,
			success: function(jsonData)
			{
				ajaxCart.updateCart(jsonData)
			},
			error: function(XMLHttpRequest, textStatus, errorThrown) {
				//alert("TECHNICAL ERROR: unable to refresh the cart.\n\nDetails:\nError thrown: " + XMLHttpRequest + "\n" + 'Text status: ' + textStatus);
			}
		});
	},
	
	// try to collapse the cart
	collapse : function(){
		
		if ($('#cart_block #cart_block_list').hasClass('expanded'))
		{
			$('#cart_block #cart_block_list').slideUp('slow', function(){
				$(this).addClass('collapsed').removeClass('expanded');
				$('#cart_block #cart_block_summary').slideDown(700, function(){
					$(this).addClass('expanded').removeClass('collapsed');
				});
			});
			$('#cart_block h4 span#block_cart_collapse').fadeOut('slow', function(){
				$('#cart_block h4 span#block_cart_expand').fadeIn('fast');
			});
			
			// save the expand statut in the user cookie
			$.ajax({
				type: 'GET',
				url: baseDir + 'modules/blockcart/blockcart-set-collapse.php',
				async: true,
				data: 'ajax_blockcart_display=collapse' + '&rand=' + new Date().getTime()
			});
		}
	},
	
	// add a product in the cart via ajax
	add : function(idProduct, idCombination, addedFromProductPage, callerElement, quantity, whishlist){
		if (addedFromProductPage && !checkCustomizations())
		{
			alert(fieldRequired);
			return ;
		}
		
		//disabled the button when adding to do not double add if user double click
		if (addedFromProductPage)
		{
			$('body#product p#add_to_cart input').attr('disabled', 'disabled').removeClass('exclusive').addClass('exclusive_disabled');
			$('.filled').removeClass('filled');
		}
		else
			$('.ajax_add_to_cart_button').attr('disabled', 'disabled');
		
		//send the ajax request to the server
		$.ajax({
			type: 'GET',
			url: baseDir + 'cart.php',
			async: true,
			cache: false,
			dataType : "json",
			data: 'add&ajax=true&qty=' + ( (quantity && quantity != null) ? quantity : '1') + '&id_product=' + idProduct + '&token=' + static_token + ( (parseInt(idCombination) && idCombination != null) ? '&ipa=' + parseInt(idCombination): ''),
			success: function(jsonData)
			{
				// add appliance to whishlist module
				if (whishlist && !jsonData.errors) 
					WishlistAddProductCart(whishlist[0], idProduct, idCombination, whishlist[1]);
				//apply 'transfert' effect
				var elementToTransfert = null;
				if (callerElement && callerElement != null)
					$(callerElement).parents().each( function() {
						if ($(this).is('.ajax_block_product')) elementToTransfert = $(this);
					});
				else
					elementToTransfert = $(addedFromProductPage ? 'div#image-block' : ('.ajax_block_product_id_' + idProduct) );
				elementToTransfert.TransferTo({
							to: $('#cart_block').get(0),
							className:'transferProduct',
							duration: 800,
							complete: function () {
								ajaxCart.updateCart(jsonData);
								//reactive the button when adding has finished
								if (addedFromProductPage)
									$('body#product p#add_to_cart input').removeAttr('disabled').addClass('exclusive').removeClass('exclusive_disabled');
								else
									$('.ajax_add_to_cart_button').removeAttr('disabled');
								
								//alerte si hors stock:
								
								var reste = parseInt($('#prd_stk_qte').text());
								if($('dt#cart_block_product_'+idProduct).length) {
									reste -= parseInt($('dt#cart_block_product_'+idProduct+' span.quantity').text());
								}
								//$('div#paulstra_cms_6 div p').text( parseInt($('dt#cart_block_product_'+idProduct+' span.quantity').text()) );
								// modif Ben - 07/04/2011
								//if(parseInt(quantity)>parseInt(reste) && $('#product_page_product_id').attr('value')==idProduct)
								//if( reste<=0 && $('#product_page_product_id').attr('value')==idProduct)
								//	alert('La quantité sélectionnée pour cette pièce dépasse le niveau de notre stock local.\n\nPour obtenir des précisions sur le délai de cet article, et avant toute commande, merci de contacter notre service commercial au 04-77-47-51-92');
							}
				});
			},
			error: function(XMLHttpRequest, textStatus, errorThrown) {
				alert("TECHNICAL ERROR: unable to add the product.\n\nDetails:\nError thrown: " + XMLHttpRequest + "\n" + 'Text status: ' + textStatus);
				//reactive the button when adding has finished
				if (addedFromProductPage)
					$('body#product p#add_to_cart input').removeAttr('disabled').addClass('exclusive').removeClass('exclusive_disabled');
				else
					$('.ajax_add_to_cart_button').removeAttr('disabled');
			}
		});
		
	},
	
	aff_alerte : function() {
		alert('La quantité sélectionnée pour cette pièce dépasse le niveau de notre stock local.\n\nPour obtenir des précisions sur le délai de cet article, et avant toute commande, merci de contacter notre service commercial au 04-77-47-51-92');
	},
	
	//remove a product from the cart via ajax
	remove : function(idProduct, idCombination, customizationId){
		window.location = baseDir + 'cart2.php?delete&id_product=' + idProduct + '&token=' + static_token;
		return;
		
		//send the ajax request to the server
		$.ajax({
			type: 'GET',
			url: baseDir + 'cart.php',
			async: true,
			cache: false,
			dataType : "json",
			data: 'delete' + '&id_product=' + idProduct + '&ipa=' + ((idCombination != null && parseInt(idCombination)) ? idCombination : '') + ((customizationId && customizationId != null) ? '&id_customization=' + customizationId : '') + '&token=' + static_token + '&ajax=true',
			success: function(jsonData)	{
				ajaxCart.updateCart(jsonData);
			},
			error: function() {alert('ERROR: unable to delete the product');}
		});
	},
	
	//hide the products displayed in the page but no more in the json data
	hideOldProducts : function(jsonData) {
		//delete an eventually removed product of the displayed cart (only if cart is not empty!)
		if($('#cart_block #cart_block_list dl.products').length > 0)
		{
			var removedProductId = null;
			var removedProductData = null;
			var removedProductDomId = null;
			//look for a product to delete...
			$('#cart_block_list dl.products dt').each(function(){
				//retrieve idProduct and idCombination from the displayed product in the block cart
				var domIdProduct = $(this).attr('id');
				var firstCut =  domIdProduct.replace('cart_block_product_', '');
				var ids = firstCut.split('_');

				//try to know if the current product is still in the new list
				var stayInTheCart = false;
				for (aProduct in jsonData.products)
				{
					//we've called the variable aProduct because IE6 bug if this variable is called product
					//if product has attributes
					if (jsonData.products[aProduct]['id'] == ids[0] && (!ids[1] || jsonData.products[aProduct]['idCombination'] == ids[1]))
					{
						stayInTheCart = true;
						// update the product customization display (when the product is still in the cart)
						ajaxCart.hideOldProductCustomizations(jsonData.products[aProduct], domIdProduct);
					}
				}
				//remove product if it's no more in the cart
				if(!stayInTheCart)
				{
					removedProductId = $(this).attr('id');
					//return false; // Regarding that the customer can only remove products one by one, we break the loop
				}
			});
			
			//if there is a removed product, delete it from the displayed block cart
			if (removedProductId != null)
			{
				var firstCut =  removedProductId.replace('cart_block_product_', '');
				var ids = firstCut.split('_');

				$('#'+removedProductId).addClass('strike').fadeTo('slow', 0, function(){
					$(this).slideUp('slow', function(){
						$(this).remove();
						//if the cart is now empty, show the 'no product in the cart' message
						if($('#cart_block dl.products dt').length == 0)
						{
							$('p#cart_block_no_products:hidden').slideDown('fast');
							$('div#cart_block dl.products').remove();
						}
					});
				});
				$('dd#cart_block_combination_of_' + ids[0] + (ids[1] ? '_'+ids[1] : '') ).fadeTo('fast', 0, function(){
					$(this).slideUp('fast', function(){
						$(this).remove();
					});
				});
			}
			
		}
	},

	hideOldProductCustomizations : function (product, domIdProduct)
	{
		var customizationList = $('#cart_block #cart_block_list ul#customization_' + product['id'] + '_' + product['idCombination']);
		if(customizationList.length > 0)
		{
			$(customizationList).find("li").each(function(){
				$(this).find("div").each(function() {
					var customizationDiv = $(this).attr('id');
					var tmp = customizationDiv.replace('deleteCustomizableProduct_', '');
					var ids = tmp.split('_');
					if ((parseInt(product.idCombination) == parseInt(ids[2])) && !ajaxCart.doesCustomizationStillExist(product, ids[0]))
						$('#' + customizationDiv).parent().addClass('strike').fadeTo('slow', 0, function(){
							$(this).slideUp('slow');
							$(this).remove();
						});;
				});
			});
		}
		var removeLinks = $('#cart_block_product_' + domIdProduct).find('a.ajax_cart_block_remove_link');
		if (!product.hasCustomizedDatas && !removeLinks.length)
			$('#' + domIdProduct + ' span.remove_link').html('<a class="ajax_cart_block_remove_link" href="' + baseDir + 'cart.php?delete&amp;id_product=' + product['id'] + '&amp;ipa=' + product['idCombination'] + '&amp;token=' + static_token + '" title="' + removingLinkText + '"> </a>');
	},

	doesCustomizationStillExist : function (product, customizationId)
	{
		var exists = false;

		$(product.customizedDatas).each(function() {
			if (this.customizationId == customizationId)
			{
				exists = true;
				// This return does not mean that we found nothing but simply break the loop
				return false;
			}
		});
		return (exists);
	},

	//refresh display of vouchers (needed for vouchers in % of the total)
	refreshVouchers : function (jsonData) {
		$(jsonData.discounts).each(function(){
			//fix ie6 bug (one more item 'undefined' in IE6)
			if (this.id != undefined && $('#bloc_cart_voucher_' + this.id).length == 1)
			{
					$('#bloc_cart_voucher_' + this.id + ' td.price').text(this.price);
			}
		});
		if (jsonData.discounts.length == 0)
			$('#vouchers').remove();
	},

	// Update product quantity
	updateProductQuantity : function (product, quantity) {
		$('dt#cart_block_product_' + product.id + (product.idCombination ? '_' + product.idCombination : '') + ' .quantity').fadeTo('fast', 0, function() {
			$(this).text(quantity);
			$(this).fadeTo('fast', 1, function(){
				$(this).fadeTo('fast', 0, function(){
					$(this).fadeTo('fast', 1, function(){
						$(this).fadeTo('fast', 0, function(){
							$(this).fadeTo('fast', 1);
							
							//modif Ben - 07/04/2011
							if( $('dt#cart_block_product_'+product.id+' span.quantity').length ) {
								if( parseInt($('dt#cart_block_product_'+product.id+' span.quantity').text()) > parseInt($('#prd_stk_qte').text()) )
									ajaxCart.aff_alerte();
							}
						});
					});
				});
			});
		});
	},


	//display the products witch are in json data but not already displayed
	displayNewProducts : function(jsonData) {

		//add every new products or update displaying of every updated products
		$(jsonData.products).each(function(){
			//fix ie6 bug (one more item 'undefined' in IE6)
			if (this.id != undefined)
			{
				//create a container for listing the products and hide the 'no product in the cart' message (only if the cart was empty)
				if ($('div#cart_block dl.products').length == 0)
					$('p#cart_block_no_products:visible').fadeTo('fast', 0, function(){
						$(this).slideUp('fast').fadeTo(0, 1);
					}).before('<dl class="products"></dl>');
			
				//if product is not in the displayed cart, add a new product's line
				var domIdProduct = this.id + (this.idCombination ? '_' + this.idCombination : '');
				var domIdProductAttribute = this.id + '_' + (this.idCombination ? this.idCombination : '0');



				if($('#cart_block dt#cart_block_product_'+ domIdProduct ).length == 0)
				{
					var productId = parseInt(this.id);
					var productAttributeId = (this.hasAttributes ? parseInt(this.attributes) : 0);
					var content =  '<dt class="hidden" id="cart_block_product_' + domIdProduct + '">';
						 content += '<span class="quantity-formated"><span class="quantity">' + this.quantity + '</span>x</span>';
						  content += '<a href="' + this.link + '" title="' + this.name + '">' + this.name + '</a>';
						  content += '<span class="remove_link"><a class="ajax_cart_block_remove_link" href="' + baseDir + 'cart.php?delete&amp;id_product=' + productId + '&amp;token=' + static_token + (this.hasAttributes ? '&amp;ipa=' + parseInt(this.attributes) : '') + '"> </a></span>';
						  content += '<span class="price">' + this.priceByLine + '</span>';
						  content += '</dt>';
					if (this.hasAttributes)
						  content += '<dd id="cart_block_combination_of_' + domIdProduct + '" class="hidden"><a href="' + this.link + '" title="' + this.name + '">' + this.attributes + '</a>';
					if (this.hasCustomizedDatas)
						content += ajaxCart.displayNewCustomizedDatas(this);
					if (this.hasAttributes) content += '</dd>';

					$('#cart_block dl.products').append(content);
					
					//modif Ben - 07/04/2011
					if( $('dt#cart_block_product_'+domIdProduct+' span.quantity').length ) {
						if( parseInt($('dt#cart_block_product_'+domIdProduct+' span.quantity').text()) > parseInt($('#prd_stk_qte').text()) )
							ajaxCart.aff_alerte();
					}
				}
				//else update the product's line
				else{
					var jsonProduct = this;
					if($('dt#cart_block_product_' + domIdProduct + ' .quantity').text() != jsonProduct.quantity)
					{
						// Usual product
						$('dt#cart_block_product_' + domIdProduct + ' .price').text(jsonProduct.priceByLine);
						ajaxCart.updateProductQuantity(jsonProduct, jsonProduct.quantity);

						// Customized product
						if (jsonProduct.hasCustomizedDatas)
						{
							customizationFormatedDatas = ajaxCart.displayNewCustomizedDatas(jsonProduct);
							if (!$('#cart_block ul#customization_' + domIdProductAttribute).length)
							{
								if (jsonProduct.hasAttributes)
									$('#cart_block dd#cart_block_combination_of_' + domIdProduct).append(customizationFormatedDatas);
								else
									$('#cart_block dl.products').append(customizationFormatedDatas);
							}
							else
								$('#cart_block ul#customization_' + domIdProductAttribute).append(customizationFormatedDatas);
						}
					}
				}
				$('#cart_block dl.products .hidden').slideDown('slow').removeClass('hidden');

				//Ben
				//parseInt($('dt#cart_block_product_'+product.id+' span.quantity').text());
				//$('div#paulstra_cms_6 div p').text( parseInt($('dt#cart_block_product_'+product.id+' span.quantity').text()) + ' ------ ' + parseInt($('#prd_stk_qte').text()) );

			var removeLinks = $('#cart_block_product_' + domIdProduct).find('a.ajax_cart_block_remove_link');
			if (this.hasCustomizedDatas && removeLinks.length)
				$(removeLinks).each(function() {
					$(this).remove();
				});
			}
		});
	},

	displayNewCustomizedDatas : function(product)
	{
		var content = '';
		var productId = parseInt(product.id);
		var productAttributeId = typeof(product.idCombination) == 'undefined' ? 0 : parseInt(product.idCombination);
		var hasAlreadyCustomizations = $('#cart_block ul#customization_' + productId + '_' + productAttributeId).length;

		if (!hasAlreadyCustomizations)
		{
			if (!product.hasAttributes) content += '<dd id="cart_block_combination_of_' + productId + '" class="hidden">';
			content += '<ul class="cart_block_customizations" id="customization_' + productId + '_' + productAttributeId + '">';
		}

		$(product.customizedDatas).each(function(){
			var done = 0;
			customizationId = parseInt(this.customizationId);
			productAttributeId = typeof(product.idCombination) == 'undefined' ? 0 : parseInt(product.idCombination);
			// If the customization is already displayed on the cart, no update's needed
			if($('#cart_block').find("div[@id^=deleteCustomizableProduct_" + customizationId + "_]").length)
				return ('');
			content += '<li name="customization"><div class="deleteCustomizableProduct" id="deleteCustomizableProduct_' + customizationId + '_' + productId + '_' + (productAttributeId ?  productAttributeId : '0') + '"><a class="ajax_cart_block_remove_link" href="' + baseDir + 'cart.php?delete&amp;id_product=' + productId + '&amp;ipa=' + productAttributeId + '&amp;id_customization=' + customizationId + '&amp;token=' + static_token + '"> </a></div><span class="quantity-formated"><span class="quantity">' + parseInt(this.quantity) + '</span>x</span>';

			// Give to the customized product the first textfield value as name
			$(this.datas).each(function(){
				if (this['type'] == CUSTOMIZE_TEXTFIELD)
				{
					$(this.datas).each(function(){
						if (this['index'] == 0)
						{
							content += this.truncatedValue;
							done = 1;
							return false;
						}
					})
				}
			});

			// If the customized product did not have any textfield, it will have the customizationId as name
			if (!done)
				content += customizationIdMessage + customizationId;
			if (!hasAlreadyCustomizations) content += '</li>';

			// Field cleaning
			if (customizationId)
			{
				$('#uploadable_files li div.customizationUploadBrowse img').remove();
				$('#text_fields li input').attr('value', '');
			}
		});

		if (!hasAlreadyCustomizations)
		{
			content += '</ul>';
			if (!product.hasAttributes) content += '</dd>';
		}
		return (content);
	},


	//genarally update the display of the cart
	updateCart : function(jsonData) {
		//user errors display
		if (jsonData.hasError)
		{
			var errors = '';
			for(error in jsonData.errors)
				//IE6 bug fix
				if(error != 'indexOf')
					errors += jsonData.errors[error] + "\n";
			alert(errors);
		}
		ajaxCart.expand();
		ajaxCart.updateCartEverywhere(jsonData);
		ajaxCart.hideOldProducts(jsonData);
		ajaxCart.displayNewProducts(jsonData);
		ajaxCart.refreshVouchers(jsonData);
		
		//update 'first' and 'last' item classes
		$('#cart_block dl.products dt').removeClass('first_item').removeClass('last_item').removeClass('item');
		$('#cart_block dl.products dt:first').addClass('first_item');
		$('#cart_block dl.products dt:not(:first,:last)').addClass('item');
		$('#cart_block dl.products dt:last').addClass('last_item');
		
		//reset the onlick events in relation to the cart block (it allow to bind the onclick event to the new 'delete' buttons added)
		ajaxCart.overrideButtonsInThePage();
	},
	
	//update general cart informations everywere in the page
	updateCartEverywhere : function(jsonData) {
		$('.ajax_cart_total').text(jsonData.productTotal);
		$('.ajax_cart_shipping_cost').text(jsonData.shippingCost);
		$('.cart_block_wrapping_cost').text(jsonData.wrappingCost);
		$('.ajax_block_cart_total').text(jsonData.total);
		if(jsonData.nbTotalProducts > 0)
		{
			$('.ajax_cart_no_product:visible').hide();
			$('.ajax_cart_quantity').text(jsonData.nbTotalProducts);

			$('.ajax_cart_quantity:hidden').fadeIn('slow');
			$('.ajax_cart_total:hidden').fadeIn('slow');
			
			if(jsonData.nbTotalProducts > 1)
			{
				$('.ajax_cart_product_txt:visible').hide();
				$('.ajax_cart_product_txt_s:hidden').show();
			}
			else
			{
				$('.ajax_cart_product_txt:hidden').fadeIn('slow');
				$('.ajax_cart_product_txt_s:visible').fadeOut('slow');
			}
		}
		else
		{
			$('.ajax_cart_quantity:visible, .ajax_cart_product_txt_s:visible, .ajax_cart_product_txt:visible, .ajax_cart_total:visible').fadeOut('slow', function(){
				$('.ajax_cart_no_product:hidden').fadeIn('slow');
			});
		}
	}
}

//when document is loaded...
$(document).ready(function(){

	// expand/collapse management
	$('#block_cart_collapse').click(function(){
			ajaxCart.collapse();
	});
	$('#block_cart_expand').click(function(){
			ajaxCart.expand();
	});
	ajaxCart.overrideButtonsInThePage();
	ajaxCart.refresh();
});