//删除元素
function hintremove(obj){
	$("#"+obj).remove();
}

//添加进购物车
function cartadd(obj, webpath, linktype, linkurl){
    var goods_id = $("#goods_id").val();
    var goods_quantity = $("#goods_quantity").val();
    var item = $(obj).parents('.shopitem');
    if (!goods_id) {
        if (item.length < 1) return false;
        goods_id = item.data('id');
    }
    if (!goods_quantity ) {
        goods_quantity = item.find('[name=goods_quantity]').val() || 1;
    }
    $.ajax({
        type: "post",
        url: webpath + "tools/submit_ajax.ashx?action=cart_goods_add",
        data: {
            "goods_id": goods_id,
            "goods_quantity": goods_quantity
        },
        datatype: "json",
        beforesend: function (xmlhttprequest) {
            //发送前动作
        },
        success: function (data, textstatus) {
            if (data.status == 1) {
                if (linktype == 1) {
                    location.href = linkurl;
                } else {
                    $("#cart_info_hint").remove();
                    var hinthtml = '<div id="cart_info_hint" class="msg_tips cart_info">'
						+ '<div class="ico"></div>'
						+ '<div class="msg">'
						+ '<strong>' + lang.shop_cart_title_ok + '</strong>'
						+ '<p>购物车共有<b>' + data.quantity + '</b>件商品，合计：<b class="red">' + data.amount + '</b>元</p>'
						+ '<a class="btn btn-success" title="去购物车结算" href="' + linkurl + '">去结算</a>&nbsp;&nbsp;'
						+ '<a title="再逛逛" href="javascript:;" onclick="hintremove(\'cart_info_hint\');">再逛逛</a>'
						+ '<a class="close" title="关闭" href="javascript:;" onclick="hintremove(\'cart_info_hint\');"><span>关闭</span></a>'
						+ '</div>'
						+ '</div>';
                    $(obj).after(hinthtml); //添加节点
                }
            } else {
                $("#cart_info_hint").remove();
                var hinthtml = '<div id="cart_info_hint" class="msg_tips cart_info">'
					+ '<div class="ico error"></div>'
					+ '<div class="msg">'
					+ '<strong>' + lang.shop_cart_title_fail + '</strong>'
					+ '<p>' + data.msg + '</p>'
					+ '<a class="close" title="关闭" href="javascript:void(0);" onclick="hintremove(\'cart_info_hint\');"><span>关闭</span></a>'
					+ '</div>'
					+ '</div>';
                $(obj).after(hinthtml); //添加节点
                //alert(data.msg);
            }
        },
        error: function (xmlhttprequest, textstatus, errorthrown) {
            alert("状态：" + textstatus + "；出错提示：" + errorthrown);
        },
        timeout: 20000
    });
	return false;
}

//删除购物车商品
function deletecart(obj, webpath, goods_id){
	if(!confirm("您确认要从购物车中移除吗？") || goods_id==""){
		return false;
	}
	$.ajax({
		type: "post",
		url: webpath + "tools/submit_ajax.ashx?action=cart_goods_delete",
		data: {"goods_id" : goods_id},
		datatype: "json",
		beforesend: function(xmlhttprequest) {
			//发送前动作
		},
		success: function(data, textstatus) {
			if (data.status == 1) {
				location.reload();
			} else {
				alert(data.msg);
			}
		},
		error: function (xmlhttprequest, textstatus, errorthrown) {
			alert("状态：" + textstatus + "；出错提示：" + errorthrown);
		},
		timeout: 20000
	});
	return false;
}

//计算购物车金额
function cartamounttotal(obj, webpath, goods_id){
	if(isnan($(obj).val())){
		alert('商品数量只能输入数字!');
		$(obj).val("1");
	}
	$.ajax({
		type: "post",
		url: webpath + "tools/submit_ajax.ashx?action=cart_goods_update",
		data: {
			"goods_id" : goods_id,
			"goods_quantity" : $(obj).val()
		},
		datatype: "json",
		beforesend: function(xmlhttprequest) {
			//发送前动作
		},
		success: function(data, textstatus) {
			if (data.status == 1) {
				location.reload();
			} else {
				alert(data.msg);
				location.reload();
			}
		},
		error: function (xmlhttprequest, textstatus, errorthrown) {
			alert("状态：" + textstatus + "；出错提示：" + errorthrown);
		},
		timeout: 20000
	});
	return false;
}
//购物车数量加减
function cartcomputnum(obj, webpath, goods_id, num, countall) {
	if(num > 0){
		var goods_quantity = $(obj).prev("input[name='goods_quantity']");
		$(goods_quantity).val(parseint($(goods_quantity).val()) + 1);
		//计算购物车金额
		if (countall !== false) cartamounttotal($(goods_quantity), webpath, goods_id);
	}else{
		var goods_quantity = $(obj).next("input[name='goods_quantity']");
		if(parseint($(goods_quantity).val()) > 1){
			$(goods_quantity).val(parseint($(goods_quantity).val()) - 1);
			//计算购物车金额
			if (countall !== false) cartamounttotal($(goods_quantity), webpath, goods_id);
		}
	}
}
//计算支付手续费总金额
function paymentamounttotal(obj){
	var payment_price = $(obj).next("input[name='payment_price']").val();
	$("#payment_fee").text(payment_price); //运费
	orderamounttotal();
}
//计算配送费用总金额
function freightamounttotal(obj){
	var express_price = $(obj).next("input[name='express_price']").val();
	$("#express_fee").text(express_price); //运费
	orderamounttotal();
}
//计算订单总金额
function orderamounttotal(){
	var goods_amount = $("#goods_amount").text(); //商品总金额
	var payment_fee = $("#payment_fee").text(); //手续费
	var express_fee = $("#express_fee").text(); //运费
	var order_amount = parsefloat(goods_amount) + parsefloat(payment_fee) + parsefloat(express_fee); //订单总金额 = 商品金额 + 手续费 + 运费
	$("#order_amount").text(order_amount.tofixed(2));
}