$(function(){
	/**
	 *	將產品加入購物車
	 */
	$("a[name=add_to_shopping_cart]").click(function(){
		var product_id = $(this).attr("val");
		var _fun_id = $(this).attr("fun_id");
		var product_spec = $("li[product_id="+product_id+"] select[name=product_spec]").val();
		var product_buy_number = $("li[product_id="+product_id+"] select[name=product_buy_number]").val();
		
		$.post("module/shop/cart_modify.php",{fun_id:_fun_id,act:'add',product_id:product_id,product_spec:product_spec,product_buy_number:product_buy_number},function(xml){
			eval("_data="+xml);
			alert(_data['msg']);
		});
		return false;
	});
	
	/**
	 *	將勾選產品加入購物車
	 */
	$("a[name=add_to_shopping_cart_all]").click(function(){

		var _fun_id = $(this).attr("fun_id");
		var product_id=[];
		var product_spec=[];
		var product_buy_number=[];
		
		$(".shopping_car").each(function(i){
			if ($(this).find("input[name=checkbox]:checked").val()=='1') {
				product_id[product_id.length] = $(this).find("input[name=product_id]").val();
				product_spec[product_spec.length] = $(this).find("select[name=product_spec]").val();
				product_buy_number[product_buy_number.length] = $(this).find("input[name=product_buy_number]").val();
			}
		});
		
		$.post("module/shop/cart_modify.php",{fun_id:_fun_id,act:'add',product_id2:product_id,product_spec2:product_spec,product_buy_number2:product_buy_number},function(xml){
			eval("_data="+xml);
			var msg='';
			var cart_id='';
			for(var key in _data){
				msg += _data[key]['msg']+"\r\n";
				cart_id=_data[key]['ships_id'];
			}
			//alert(msg);
			location.href="shop_car.php?cart_id="+cart_id;
		});
		return false;
	});
	
	/**
	 *	下拉選單的規格數量設定
	 */
	$("select[name=product_spec]").each(function(){
		select_product_spec_show($(this));
		select_product_spec($(this));
	});
	
	/**
	 *	下拉選單的規格數量設定(當用戶變更時)
	 */
	$("select[name=product_spec]").change(function(){
		select_product_spec($(this));
	});
	
	
	/**
	 *	加入追蹤清單網址變更
	 */
	$("a[name=TrackList]").click(function(){
		var product_id=$(this).attr("product_id");
		var href=$("tr[product_id="+product_id+"] a[name=TrackList]").attr("href");
		var val=$("tr[product_id="+product_id+"] select[name=product_spec]").val();
		$("tr[product_id="+product_id+"] a[name=TrackList]").attr("href",href+'&spec_id='+val);
	});
});

select_product_spec_show = function(spec) {
	var spec_id = spec.find(":selected").val();
	var product_id = spec.find(":selected").attr('product_id');
	_display = $("tr[product_id="+product_id+"] div[spec_id="+spec_id+"]").css('display');

	if (_display==undefined || _display=="none") {
		_go = 0;
		spec.find("option").each(function(){
			_size = $("tr[product_id="+product_id+"] div[spec_id="+$(this).val()+"]").size();
			if (_size>0 && _go == 0) {
				$(this).attr("selected",true);
				_go = 1;
			}
		});
	}
}

select_product_spec = function(spec) {
	var spec_id = spec.find(":selected").val();
	var product_id = spec.find(":selected").attr('product_id');
	var nocbp = spec.find(":selected").attr('nocbp');
	var original_price = spec.find(":selected").attr('original_price');
	var selling_price = spec.find(":selected").attr('selling_price');
	var stock_number = spec.find(":selected").attr('stock_number');
	var picture = spec.find(":selected").attr('picture');
	var dividend = spec.find(":selected").attr('dividend');
	
	if (stock_number<=0) {
		$("tr[product_id="+product_id+"] span[name=shop_add]").css("display","none");
		$("tr[product_id="+product_id+"] span[name=shop_add_no]").css("display","block");
	} else {
		$("tr[product_id="+product_id+"] span[name=shop_add]").css("display","block");
		$("tr[product_id="+product_id+"] span[name=shop_add_no]").css("display","none");
	}
	
	/**
	 *	數量顯示
	 */
	$("tr[product_id="+product_id+"] select[name=product_buy_number]").empty();
	for(i=1;i<=nocbp;i++){
		$("tr[product_id="+product_id+"] select[name=product_buy_number]").append('<option value="'+i+'">'+i+'</option>');
	}
	
	/**
	 *	價格顯示
	 */
	$("tr[product_id="+product_id+"] span[name=original_price]").text(original_price);
	$("tr[product_id="+product_id+"] span[name=selling_price]").text(selling_price);
	
	/**
	 *	折扣顯示
	 */
	$("tr[product_id="+product_id+"] div[name=discount_product]").css({'display':'none'});
	if ($("tr[product_id="+product_id+"] div[name=discount_product]").size()>0) {
		$("tr[product_id="+product_id+"] div[name=discount_product][spec_id="+spec_id+"]").css({'display':'block'});
	}
	
	/**
	 *	圖片顯示
	 */
	if (picture!='') {
		$("tr[product_id="+product_id+"] img[name=photo]").attr("src","upload_file/img_product/spec/s/"+picture);
	}
	
	/**
	 *	紅利顯示
	 */
	$("tr[product_id="+product_id+"] span[name=dividend]").text(dividend);
}