/* 
*作者：一些事情
*时间：2017-5-5
*购物车方法*需要结合jquery一起使用
----------------------------------------------------------*/
//商品数量加减一
function addcartnum(num){
	var numobj = $("#commodityselectnum");
	var selectnum = 0;
	if(numobj.val().length > 0){
		selectnum = parseint(numobj.val());
	}
	selectnum += num;
	//最小值
	if(selectnum < 1){
		selectnum = 1;
	}
	//最大值
	if(selectnum > parseint(numobj.attr("maxvalue"))){
		selectnum = parseint(numobj.attr("maxvalue"));
	}
	numobj.val(selectnum);
}
//初始化商品规格事件
function initgoodsspec(sendurl){
	//检查是否有规格
	if($("#goodsspecbox dl").length == 0){
		$("#buybutton button").prop("disabled",false).removeclass("over");
	}
	//遍历规格属性
	$("#goodsspecbox dl dd ul li a").each(function(){
		$(this).click(function(){
			if(!$(this).hasclass("selected")){
				//标签选中状态
				$(this).parent().siblings("li").children("a").removeclass("selected");
				$(this).addclass("selected");
				//获取商品价格
				if($("#goodsspecbox dl dd ul li a.selected").length == $("#goodsspecbox dl").length){
					var specids = '';
					$("#goodsspecbox dl dd ul li a.selected").each(function(i) {
						if(i == 0){
							specids = ",";
						}
                        specids += $(this).attr("specid") + ',';
                    });
					//发送异步请求
					$.ajax({
						type: "post",
						url: sendurl,
						datatype: "json",
						data: {
							"article_id": $("#commodityarticleid").val(),
							"ids": specids
						},
						timeout: 20000,
						success: function(data, textstatus) {
							if (data.status == 1){
								$("#commoditygoodsid").val(data.goods_id);
								$("#commoditygoodsno").text(data.goods_no);
								$("#commoditymarketprice").text('¥' + data.market_price);
								$("#commoditysellprice").text('¥' + data.sell_price);
								$("#commoditystocknum").text(data.stock_quantity);
								$("#commodityselectnum").attr("maxvalue",data.stock_quantity);
								//检查是否足够库存
								if(parseint(data.stock_quantity) > 0){
									$("#buybutton button").prop("disabled",false).removeclass("over");
								}else{
									$("#buybutton button").prop("disabled",true).addclass("over");
								}
							} else {
								alert(data.msg);
							}
						},
						error: function (xmlhttprequest, textstatus, errorthrown) {
							alert("查询出错：" + textstatus + ",提示：" + errorthrown);
						}
					});
				}
			}
		});
	});
}

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

//添加进购物车
function cartadd(obj, webpath, linktype, linkurl) {
    var channelid = parseint($("#commoditychannelid").val());
	var articleid = parseint($("#commodityarticleid").val());
	var goodsid = parseint($("#commoditygoodsid").val());
	var selectnum = parseint($("#commodityselectnum").val());
	if($(obj).prop("disabled") == true){
		return false;
	}
	//检查频道id
    if (isnan(channelid)) {
		alert("频道参数不正确！");
		return false;
	}
    //检查文章id
    if (isnan(articleid)) {
        alert("商品参数不正确！");
        return false;
    }
	//检查商品是否有规格
	if(goodsid == 0 && $("#goodsspecbox dl").length > 0){
		alert("请先选择商品规格！");
		return false;
	}
	//检查购买数量
	if(isnan(selectnum) || selectnum == 0){
		alert("购买数量不能为零！");
		return false;
	}
	//检查库存数量
	if(parseint(selectnum) > parseint($("#commoditystocknum").text())){
		alert("购买数量大于库存数量，库存不足！");
		return false;
	}
	//记住按钮文字
	var buttontext = $(obj).text();
	//如果是立即购买
	if(linktype == 1){
	    var jsondata = '[{"channel_id":' + channelid + ', "article_id":' + articleid + ', "goods_id":' + goodsid + ', "quantity":' + selectnum + '}]'; //结合商品参数
		$.ajax({
			type: "post",
			url: webpath + "tools/submit_ajax.ashx?action=cart_goods_buy",
			data: { "jsondata": jsondata },
			datatype: "json",
			beforesend: function(xmlhttprequest) {
				//发送前动作
				$(obj).prop("disabled",true).text("请稍候...");
			},
			success: function(data, textstatus) {
				if (data.status == 1) {
					location.href = linkurl;
				}else{
					alert("尝试加入购物清单失败，请重试！");
				}
			},
			error: function (xmlhttprequest, textstatus, errorthrown) {
				alert("状态：" + textstatus + "；出错提示：" + errorthrown);
			},
			complete: function (xmlhttprequest, textstatus) {
				$(obj).prop("disabled",false).text(buttontext);
			},
			timeout: 20000
		});
		return false;
	}else{
		$.ajax({
			type: "post",
			url: webpath + "tools/submit_ajax.ashx?action=cart_goods_add",
			data: {
			    "channel_id": channelid,
				"article_id" : articleid,
				"goods_id" : goodsid,
				"quantity" : selectnum
			},
			datatype: "json",
			beforesend: function(xmlhttprequest) {
				//发送前动作
				$(obj).prop("disabled",true).text("请稍候...");
			},
			success: function(data, textstatus) {
				if (data.status == 1) {
					$("#cartinfohint").remove();
					var hinthtml = '<div id="cartinfohint" class="cart-info">'
						+ '<div class="ico"><i class="iconfont icon-check"></i></div>'
						+ '<div class="msg">'
						+ '<strong>商品已成功添加到购物车！</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="link-btn" title="去购物车结算" href="' + linkurl + '">去结算</a>&nbsp;&nbsp;'
						+ '<a title="再逛逛" href="javascript:;" onclick="hintremove(\'#cartinfohint\');">再逛逛</a>'
						+ '<div class="close" title="关闭" onclick="hintremove(\'#cartinfohint\');"><i class="iconfont icon-close"></i></div>'
						+ '</div>'
						+ '</div>'
					$(obj).after(hinthtml); //添加节点
					$("#shoppingcartcount").text(data.quantity); //赋值给显示购物车数量的元素
				} else {
					$("#cartinfohint").remove();
					var hinthtml = '<div id="cartinfohint" class="cart-info">'
						+ '<div class="ico error"><i class="iconfont icon-error"></i></div>'
						+ '<div class="msg">'
						+ '<strong>商品添加到购物车失败！</strong>'
						+ '<p>' + data.msg + '</p>'
						+ '<div class="close" title="关闭" onclick="hintremove(\'#cartinfohint\');"><i class="iconfont icon-close"></i></div>'
						+ '</div>'
						+ '</div>'
					$(obj).after(hinthtml); //添加节点
				}
			},
			error: function (xmlhttprequest, textstatus, errorthrown) {
				alert("状态：" + textstatus + "；出错提示：" + errorthrown);
			},
			complete: function (xmlhttprequest, textstatus) {
				$(obj).prop("disabled",false).text(buttontext);
			},
			timeout: 20000
		});
		return false;
	}
}

//修改购物车数量
function updatecart(obj, webpath, num){
	var objinput;
	var goodsquantity; //购买数量
	var stockquantity = parseint($(obj).parents("tr").find("input[name='hidestockquantity']").val()); //库存数量
	var channelid = $(obj).parents("tr").find("input[name='hidechannelid']").val(); //频道id
	var articleid = $(obj).parents("tr").find("input[name='hidearticleid']").val(); //文章id
	var goodsid = $(obj).parents("tr").find("input[name='hidegoodsid']").val(); //商品id
	var goodsprice = $(obj).parents("tr").find("input[name='hidegoodsprice']").val(); //商品单价
	var goodspoint = $(obj).parents("tr").find("input[name='hidepoint']").val(); //商品积分
	if(arguments.length == 2){
		objinput = $(obj);
		goodsquantity = parseint(objinput.val());
	}else{
		objinput = $(obj).siblings("input[name='goodsquantity']");
		goodsquantity = parseint(objinput.val()) + parseint(num);
	}
	if(isnan(goodsquantity)){
		alert('商品数量只能输入数字!');
		return false;
	}
	if(isnan(stockquantity)){
		alert('检测不到商品库存数量!');
		return false;
	}
	if(goodsquantity < 1){
		goodsquantity = 1;
	}
	if(goodsquantity > stockquantity){
		alert('购买数量不能大于库存数量!');
		goodsquantity = stockquantity;
	}
	$.ajax({
		type: "post",
		url: webpath + "tools/submit_ajax.ashx?action=cart_goods_update",
		data: {
			"channel_id": channelid,
			"article_id": articleid,
			"goods_id": goodsid,
			"quantity": goodsquantity
		},
		datatype: "json",
		beforesend: function(xmlhttprequest) {
			//发送前动作
		},
		success: function(data, textstatus) {
			if (data.status == 1) {
				objinput.val(goodsquantity);
				var totalprice = parsefloat(goodsprice)*goodsquantity; //金额
				var totalpoint = parsefloat(goodspoint)*goodsquantity; //积分
				$(obj).parents("tr").find("label[name='amountcount']").text(totalprice.tofixed(2));
				if(totalpoint > 0){
					$(obj).parents("tr").find("label[name='pointcount']").text("+"+totalpoint);
				}else{
					$(obj).parents("tr").find("label[name='pointcount']").text(totalpoint);
				}
				cartamounttotal(); //重新统计
			} else {
				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(webpath, obj){
	if(!confirm("您确认要从购物车中移除吗？")){
		return false;
	}
	//组合参数
	var datastr;
	var arglength = arguments.length; //参数个数
	if(arglength == 1){
		datastr = {"clear": 1}
	}else{
		var channelid = $(obj).parents("tr").find("input[name='hidechannelid']").val();
		var articleid = $(obj).parents("tr").find("input[name='hidearticleid']").val();
		var goodsid = $(obj).parents("tr").find("input[name='hidegoodsid']").val();
		datastr = { "channel_id": channelid, "article_id": articleid, "goods_id": goodsid }
	}
	$.ajax({
		type: "post",
		url: webpath + "tools/submit_ajax.ashx?action=cart_goods_delete",
		data: datastr,
		datatype: "json",
		beforesend: function(xmlhttprequest) {
			//发送前动作
		},
		success: function(data, textstatus) {
			if (data.status == 1) {
				if(arglength == 1){
					location.reload();
				}else{
					$(obj).parents("tr").remove();
					cartamounttotal(); //重新统计
				}
			} else {
				alert(data.msg);
			}
		},
		error: function (xmlhttprequest, textstatus, errorthrown) {
			alert("状态：" + textstatus + "；出错提示：" + errorthrown);
		},
		timeout: 20000
	});
	return false;
}

//选择商品
function selectcart(obj){
	var arglength = arguments.length; //参数个数
	if(arglength == 1){
		if($(obj).text()=="全选"){
			$(obj).text("取消");
			$(".checkall").prop("checked", true);
		}else{
			$(obj).text("全选");
			$(".checkall").prop("checked", false);
		}
	}
	cartamounttotal(); //统计商品
}

//计算购物车金额
function cartamounttotal(){
	var jsondata = ""; //商品组合参数
	var totalamount = 0; //商品总计
	$(".checkall:checked").each(function(i) {
	    var channelid = $(this).parents("tr").find("input[name='hidechannelid']").val(); //频道id
	    var articleid = $(this).parents("tr").find("input[name='hidearticleid']").val(); //文章id
		var goodsid = $(this).parents("tr").find("input[name='hidegoodsid']").val(); //商品id
        var goodsprice = $(this).parents("tr").find("input[name='hidegoodsprice']").val(); //商品单价
		var goodsquantity = $(this).parents("tr").find("input[name='goodsquantity']").val(); //购买数量
		totalamount += parsefloat(goodsprice) * parsefloat(goodsquantity);
		jsondata += '{"channel_id":"' + channelid + '", "article_id":"' + articleid + '", "goods_id":"' + goodsid + '", "quantity":"' + goodsquantity + '"}';
		if(i < $(".checkall:checked").length-1){
			jsondata += ',';
		}
    });
	$("#totalquantity").text($(".checkall:checked").length);
	$("#totalamount").text(totalamount.tofixed(2));
	if(jsondata.length > 0){
		jsondata = '[' + jsondata + ']';
	}
	$("#jsondata").val(jsondata);
}

//进入结算中心
function formsubmit(obj, webpath, linkurl){
	var jsondata = $("#jsondata").val();
	if(jsondata == ""){
		alert("未选中要购买的商品，请选中后提交！");
		return false;
	}
	//记住按钮文字
	var buttontext = $(obj).text();
	//加入购物清单
	$.ajax({
		type: "post",
		url: webpath + "tools/submit_ajax.ashx?action=cart_goods_buy",
		data: { "jsondata": jsondata },
		datatype: "json",
		beforesend: function(xmlhttprequest) {
			//发送前动作
			$(obj).prop("disabled",true).text("请稍候...");
		},
		success: function(data, textstatus) {
			if (data.status == 1) {
				location.href = linkurl;
			}else{
				$(obj).prop("disabled",false).text(buttontext);
				alert("尝试进入结算中心失败，请重试！");
			}
		},
		error: function (xmlhttprequest, textstatus, errorthrown) {
			$(obj).prop("disabled",false).text(buttontext);
			alert("状态：" + textstatus + "；出错提示：" + errorthrown);
		},
		timeout: 20000
	});
	return false;
}

/*初始化收货地址*/
function inituseraddress(obj){
	//初始化省市区
	var mypcas = new pcas("province,所属省份","city,所属城市","area,所属地区");
	//初始化地址
	$(obj).children("li").each(function() {
		//初始化值
		if($(this).hasclass("selected")){
			$("#book_id").val($(this).find("input[name='user_book_id']").val());
			$("#accept_name").val($(this).find("input[name='user_accept_name']").val());
			$("#address").val($(this).find("input[name='user_address']").val());
			$("#mobile").val($(this).find("input[name='user_mobile']").val());
			$("#telphone").val($(this).find("input[name='user_telphone']").val());
			$("#email").val($(this).find("input[name='user_email']").val());
			$("#post_code").val($(this).find("input[name='user_post_code']").val());
			$(this).find("input[name='user_book_id']").prop("checked", true); //设置选中
			//改变省市区
			var areaarr = $(this).find("input[name='user_area']").val().split(",");
			if (areaarr.length == 3) {
				mypcas.setvalue(areaarr[0], areaarr[1], areaarr[2]);
			} else {
				mypcas.setvalue();
			}
		}
		//初始化事件
        $(this).click(function(){
			$(this).siblings("li").removeclass("selected");
			$(this).addclass("selected");
			$("#book_id").val($(this).find("input[name='user_book_id']").val());
			$("#accept_name").val($(this).find("input[name='user_accept_name']").val());
			$("#address").val($(this).find("input[name='user_address']").val());
			$("#mobile").val($(this).find("input[name='user_mobile']").val());
			$("#telphone").val($(this).find("input[name='user_telphone']").val());
			$("#email").val($(this).find("input[name='user_email']").val());
			$("#post_code").val($(this).find("input[name='user_post_code']").val());
			$(this).find("input[name='user_book_id']").prop("checked", true); //设置选中
			//改变省市区
			var areaarr = $(this).find("input[name='user_area']").val().split(",");
			if (areaarr.length == 3) {
				mypcas.setvalue(areaarr[0], areaarr[1], areaarr[2]);
			} else {
				mypcas.setvalue();
			}
		});
    });
}

//计算支付手续费总金额
function paymentamounttotal(obj){
	var paymentprice = $(obj).siblings("input[name='payment_price']").val();
	$("#paymentfee").text(paymentprice); //运费
	orderamounttotal();
}
//计算配送费用总金额
function freightamounttotal(obj){
	var expressprice = $(obj).siblings("input[name='express_price']").val();
	$("#expressfee").text(expressprice); //运费
	orderamounttotal();
}

//计算税金
function taxamouttotal(obj){
	var taxesfee = 0 //税费
	if($(obj).prop("checked") == true){
		taxesfee = parsefloat($("#taxamout").val());
		$("#invoicebox").show();
	}else{
		$("#invoicebox").hide();
	}
	$("#taxesfee").text(taxesfee.tofixed(2));
	orderamounttotal();
}

//计算订单总金额
function orderamounttotal(){
	var goodsamount = $("#goodsamount").text(); //商品总金额
	var paymentfee = $("#paymentfee").text(); //手续费
	var expressfee = $("#expressfee").text(); //运费
	var taxesfee = 0 //税费
	if($("#is_invoice").prop("checked") == true){
		taxesfee = parsefloat($("#taxamout").val());
	}
	//订单总金额 = 商品金额 + 手续费 + 运费 + 税费
	var totalamount = parsefloat(goodsamount) + parsefloat(paymentfee) + parsefloat(expressfee) + parsefloat(taxesfee);
	$("#totalamount").text(totalamount.tofixed(2));
}