<template>
	<view>
		<view class="header">
			<view class="searchBox" :style="{ height: localHeight + 'px', paddingTop: top + 'px' }">
				<view class="searchBox_left" @click="back">
					<u-icon name="arrow-left" size="20px" color="#000"></u-icon>
				</view>
			</view>
		</view>
		<view class="swiper">
			<view v-if="currentGG.is_same_day" class="tag tag-img">
				当日达
			</view>
			<swiper :indicator-dots="false" :autoplay="true" :interval="3000" :duration="1000" @change="changeIndex">
				<swiper-item v-for="(item, index) in currentGG.goods_carousel" :key="index">
					<image :src="picUrl + item"></image>
				</swiper-item>
			</swiper>

			<view class="NumDot">
				{{ currentIndex }} / {{ currentGG.goods_carousel.length }}
			</view>
		</view>

		<view class="Money">
			<view class="MoneyMark">￥</view>
			{{ currentGG.sales_price }}
			<view class="MoneyUnit">/{{ currentGG.goods_unit }}</view>

			<view class="oldMoney">￥{{ currentGG.market_price }}</view>
		</view>

		<!-- 规格 -->
		<!-- @click="changeGG2(item, index)" :class="index == currentGGIndex ? 'active' : ''"> -->
		<view class="GGBox">
			<view class="GG_left">
				<view class="GG_Item" v-for="(item, index) in info.commodity_goods_info_list" :key="item.id"
					@click="changeGG(item, index)" :class="index == currentGGIndex ? 'active' : ''">
					{{ item.goods_spec }} / {{ item.goods_unit }}
				</view>
			</view>
			<view class="GG_rigth" @click="showSizePopup">
				共{{ info.commodity_goods_info_list.length }}款<u-icon size="26rpx" name="arrow-right"></u-icon>
			</view>
		</view>

		<view class="Tit">
			<view class="isDay" v-if="currentGG.is_same_day">当日达</view>
			<view>{{ currentGG.goods_name }}</view>
		</view>
		<view class="Msg">{{ currentGG.commodity_brief }}</view>

		<view class="fenge"></view>

		<!-- 促销信息区域 -->
		<view class="promotions-container">
			<view class="promotion-item">
				<view class="promotion-tag">优惠</view>
				<view class="promotion-content promotion-content1">满100减10</view>
			</view>
			<view class="promotion-item">
				<view class="promotion-tag">限购</view>
				<view class="promotion-content">限购5件</view>
			</view>
			<view class="promotion-item">
				<view class="promotion-tag">阶梯价</view>
				<view class="promotion-content">1~9件 9.5元/件;>10件 8.0元/件</view>
			</view>
			<view class="promotion-item">
				<view class="promotion-tag">满赠</view>
				<view class="promotion-content">满5赠1，满10赠3</view>
			</view>
			<view class="promotion-item">
				<view class="promotion-tag">满减</view>
				<view class="promotion-content">满100减5，满200减20</view>
			</view>
		</view>

		<view class="fenge"></view>

		<view class="Msg_Item">
			<view class="Msg_ItemTit">质检</view>
			<view class="Msg_ItemCon">质检报告</view>
		</view>
		<view class="Msg_Item">
			<view class="Msg_ItemTit">押金</view>
			<view class="Msg_ItemCon">需另付押金:￥30.00(30天可退)</view>
		</view>
		<view class="Msg_Item">
			<view class="Msg_ItemTit">配送</view>
			<view class="Msg_ItemCon"> 12:00前下单,预计8月21日送达; </view>
		</view>
		<view class="fenge"></view>

		<!-- 评价部分 -->
		<view class="reviews-section">
			<view class="reviews-header">
				<h3>评价({{ comments.length ? comments.length : 0 }})</h3>
				<view class="view-all" @click="showPopup">查看全部 ></view>
			</view>
			<view class="reviews-list" v-if="comments.length > 0">
				<view class="review-item" v-for="(comment, index) in comments" :key="index">
					<view class="review-user">
						<image :src="comment.mpuser.avatar" class="user-avatar"></image>
						<view class="user-info">
							<view class="user-name">{{ comment.mpuser.nick_name }}</view>
						</view>
						<view class="review-time">{{ comment.create_time }}</view>
					</view>
					<view class="user-purchase">已购 {{ comment.goods_name.goods_name }}{{ comment.goods_name.goods_spec }}</view>
					<view class="review-content">{{ comment.user_review }}</view>
					<view class="review-images" v-if="comment.review_image.length > 0">
						<image :src="img" class="review-img" v-for="(img, idx) in comment.review_image" :key="idx"></image>
					</view>
				</view>
			</view>
		</view>

		<view class="fenge"></view>

		<h3 class="GoodsMsg">商品详情</h3>

		<view class="Msg_Item">
			<view class="Msg_ItemTit">商品编号</view>
			<view class="Msg_ItemCon" @click="copys(currentGG.goods_no)">
				{{ currentGG.goods_no }}
				<image src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/property-img-file/shop_copy.png">
				</image>
			</view>
		</view>
		<view class="Msg_Item">
			<view class="Msg_ItemTit">规格说明</view>
			<view class="Msg_ItemCon">{{ currentGG.goods_spec }}</view>
		</view>
		<view class="Msg_Item">
			<view class="Msg_ItemTit">售卖单位</view>
			<view class="Msg_ItemCon">{{ currentGG.goods_unit }}</view>
		</view>

		<view class="GoosMsg">
			<image v-for="item in currentGG.goods_detail_pic" :src="picUrl + item" :key="item" mode="widthFix"></image>
		</view>

		<view class="priceInfo">
			<h3 class="priceInfo-title">价格说明</h3>
			<view class="priceInfo-content">
				<view>
					<text class="priceInfo-content-title">划线价格：</text>
					指商品的厂商指导价、正品零售价、市面常见价或该商品曾经展示过的销售价等，并非原价。仅供参考。
				</view>
				<view>
					<text class="priceInfo-content-title">未划线价格：</text>
					指商品的实时价格，不因表述的差异改变性质，具体成交价格根据商品参加活动，或使用优惠券等发生变化最终以订单结算价格为准。
				</view>
			</view>
		</view>

		<!-- 底部购物车 -->
		<view class="Car">
			<view class="car_left">
				<view class="share" @click="share">
					<image src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/property-img-file/shop_share.png"
						mode="widthFix"></image>
					分享
				</view>
				<view class="cars" @click="car">
					<u-badge numberType="limit" :type="type" max="99" :value="carNum"></u-badge>

					<image src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/property-img-file/shop_car.png"
						mode="widthFix"></image>
					购物车
				</view>
			</view>

			<view class="car_right" v-if="
				!info.commodity_goods_info_list[currentGGIndex].cart_count ||
				info.commodity_goods_info_list[currentGGIndex].cart_count.count == 0
			" @click="addCar">
				加入购物车
			</view>

			<view class="car_right" v-if="info.commodity_goods_info_list[currentGGIndex].cart_count.count > 0">
				<!-- <view class="car_right"> -->
				<u-number-box v-model="info.commodity_goods_info_list[currentGGIndex].cart_count.count"
					@change="changeCar" min="0">
					<!-- <u-number-box > -->
					<view slot="minus" class="minus">
						<u-icon name="minus" size="36" bold></u-icon>
					</view>
					<text slot="input" style="width: 200rpx; text-align: center" class="input">
						{{ info.commodity_goods_info_list[currentGGIndex].cart_count.count }}
					</text>
					<!-- text slot="input" style="width: 200rpx; text-align: center" class="input">
						{{info.commodity_goods_info_list[currentGGIndex]}}
						</text> -->
					<view slot="plus" class="plus">
						<u-icon name="plus" color="#FFFFFF" size="36" bold></u-icon>
					</view>
				</u-number-box>
			</view>
		</view>

		<!-- 分享 -->
		<view class="shadow" @click.stop="changeShadow" v-if="boxshadow1">
			<view class="shadowBox1">
				<view class="shadowBox1Item" @click="shareFriend">
					<image src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/property-img-file/shop_WX.png"
						mode="aspectFill"></image>
					微信好友
				</view>
				<view class="shadowBox1Item" @click="openSave">
					<image src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/property-img-file/shop_saveImg.png"
						mode="aspectFill"></image>
					生成海报
				</view>
			</view>
		</view>
		<!-- 海报 -->
		<view class="shadow" @click="changeShadow2" v-if="boxshadow2">
			<view class="shadowBox2">
				<view class="shadowBox_img">
					<view class="boxshadow_tit">今日商品推荐</view>
					<view class="boxshadow_img">
						<image
							src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/property-img-file/shop_share_img.png">
						</image>
					</view>
					<view class="line"></view>
					<view class="shadowBoxInfo">
						<view class="shadowboxInfo_left">二维码</view>
						<view class="shadowboxInfo_right">
							<view class="shadowboxInfo_right_1">正鲜生</view>
							<view class="shadowboxInfo_right_2">
								长按识别小程序 <br />
								数量有限马上抢购
							</view>
						</view>
					</view>
				</view>
				<view class="shadowBox_btn" @click.stop="saveImg">保存海报</view>
			</view>
		</view>

		<!-- 评价 查看详情 -->
		<u-popup :show="show" round="20rpx" mode="bottom" @close="close" @open="open" :z-index="10070">
			<view class="reviews-section">
				<view class="popup-header">
					<h3 class="popup-header-h3">评价</h3>
					<view class="popup-header-view" @click="close">取消</view>
				</view>
				<view class="temp">
					<view class="temp1">
						<img class="temp_img" src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/pingjia.png" />
						为你展示真实评价
					</view>
					<view class="temp1" @click="showSizePopup">
						款式
						<img class="temp_img1" src="https://wechat-img-file.oss-cn-beijing.aliyuncs.com/kuanshi.png" />
					</view>
				</view>
				<view class="reviews-list" v-if="comments.length > 0">
					<view class="review-item" v-for="(comment, index) in comments" :key="index">
						<view class="review-user">
							<image :src="comment.mpuser.avatar" class="user-avatar"></image>
							<view class="user-info">
								<view class="user-name">{{ comment.mpuser.nick_name }}</view>
							</view>
							<view class="review-time">{{ comment.create_time }}</view>
						</view>
						<view class="user-purchase">已购 {{ comment.goods_name.goods_name }}{{ comment.goods_name.goods_spec }}</view>
						<view class="review-content">{{ comment.user_review }}</view>
						<view class="review-images" v-if="comment.review_image.length > 0">
							<image :src="img" class="review-img" v-for="(img, idx) in comment.review_image" :key="idx">
							</image>
						</view>
					</view>
				</view>
			</view>
		</u-popup>

		<!-- 选择款式 -->
		<u-popup :show="showSize" round="20rpx" mode="bottom" @close="closeSize" @open="open">
			<!-- <view  round="20rpx" mode="bottom"> -->
			<view class="popup-header">
				<h3 class="popup-header-h3">选择款式</h3>
				<view class="popup-header-view" @click="closeSize">取消</view>
			</view>
			<view class="itemSize_top">
				<image :src="changeImg" class="itemSize-img">
					<view v-if="currentGG.is_same_day" class="isDay"
						style="position: absolute; font-size: 16rpx; height: 20rpx; z-index: 100;">当日达</view>
				</image>
				<view class="itemSize_info">
					<view class="itemSize_name" style="display: flex;">
						<view v-if="currentGG.is_same_day" class="isDay">当日达</view>{{ changeName }}
					</view>
					<view class="itemSize_price">￥{{ changePrice }}/袋</view>
				</view>
			</view>
			<view class="itemSizeBox" v-for="(item, index) in info.commodity_goods_info_list" :key="item.id"
				@click="changeGG(item, index)">
				<text class="itemSize" :class="index == currentGGIndex ? 'itemSize_active' : ''">{{ item.goods_name }} {{ item.goods_spec }} / {{ item.goods_unit }}</text>
			</view>
		</u-popup>
	</view>
</template>

<script>
import {
	apiArr
} from "../../../api/shop";
import {
	picUrl,
	menuButtonInfo,
	request,
	NavgateTo
} from "../../../utils";
export default {
	data() {
		return {
			picUrl,
			top: "",
			localHeight: "",
			carNum: "",
			prevCarNum: "",
			currentNum: "0", //当前商品的数量
			type: "error",
			boxshadow1: false,
			boxshadow2: false,
			id: "184",
			info: "",
			currentIndex: "1", //当前轮播图

			currentGG: "", //当前选中规格
			currentGGIndex: "", //当前规格index

			carOrderList: [],
			// 新增评论数据
			showReviewPopup: false,
			comments: [],
			show: false,
			showSize: false,

			changeImg: "",
			changeName: "",
			changePrice: "",
		};
	},
	methods: {
		changeIndex(e) {
			this.currentIndex = e.detail.current + 1;
		},

		back() {
			uni.navigateBack({
				delta: 1,
			});
		},
		// 分享微信
		shareFriend() {
			this.boxshadow2 = false;
			return;
			// uniapp 分享微信好友
			uni.share({
				provider: "weixin",
				type: "link",
				scene: "session",
				link: "https://uniapp.dcloud.net.cn/",
				title: "商品名称",
				imageUrl: "",
				success: (res) => {
					uni.showToast({
						title: "分享成功",
						icon: "success",
						duration: 2000,
					});
					this.boxshadow1 = false;
				},
				fail: (err) => {
					console.log("分享失败", err);
					this.boxshadow1 = false;
				},
			});
		},
		changeShadow() {
			this.boxshadow1 = false;
		},
		openSave() {
			this.boxshadow1 = false;
			this.boxshadow2 = true;
		},
		// 保存海报
		saveImg() {
			this.boxshadow2 = false;
			// 微信小程序保存图片
			uni.downloadFile({
				url: "https://wechat-img-file.oss-cn-beijing.aliyuncs.com/property-img-file/shop_share_img.png",
				success: (res) => {
					if (res.statusCode === 200) {
						uni.saveImageToPhotosAlbum({
							filePath: res.tempFilePath,
							success: (res) => {
								uni.showToast({
									title: "保存成功",
									icon: "success",
									duration: 2000,
								});
							},
							fail: (err) => {
								console.log("保存失败", err);
							},
						});
					}
				},
				fail: (err) => {
					console.log("下载失败", err);
				},
			});
		},
		changeShadow2() {
			this.boxshadow2 = false;
		},

		// 点分享按钮
		share() {
			this.boxshadow1 = true;
		},
		//商品详情
		getGoodsInfo() {
			request(apiArr.getGoodsInfo, "POST", {
				id: this.id,
			}).then((res) => {
				console.log(res);

				// 分割图片
				res.commodity_goods_info_list.forEach((item) => {
					item.goods_detail_pic = item.goods_detail_pic.split(",");
					item.goods_carousel = item.goods_carousel.split(",");
					item.commodity_pic = item.commodity_pic.split(",");
				});

				//根据购物车列表 和 当前商品列表 来更新当前商品列表在购物车中的数量
				if (this.carOrderList) {
					this.carOrderList.forEach((items) => {
						res.commodity_goods_info_list.forEach((item) => {
							if (items.goods_id == item.id) {
								item.cart_count = {
									count: 0
								};
								item.cart_count.count = items.count;
							}
						});
					});
				}
				this.info = res;
				console.log("this.info", this.info.commodity_goods_info_list);
				// {{info.commodity_goods_info_list[currentGGIndex].cart_count.count}}
				this.currentGG = res.commodity_goods_info_list[0];
				console.log("this.currentGG", this.currentGG);
				this.currentGGIndex = 0;

				this.changeImg = picUrl + this.currentGG.commodity_pic[0]
				this.changeName = this.currentGG.goods_alias
				this.changePrice = this.currentGG.sales_price
			});
		},

		copys(e) {
			uni.setClipboardData({
				data: e,
				success: (res) => {
					uni.showToast({
						title: "复制成功",
						icon: "success",
						duration: 2000,
					});
				},
			});
		},

		// 切换规格
		changeGG(item, index) {
			console.log("🚀 ~ changeGG ~ item:", item);
			this.currentGG = item;
			this.currentGGIndex = index;
			if (this.currentGG.cart_count) {
				this.currentNum = this.currentGG.cart_count.count;
			} else {
				this.currentGG.cart_count = {
					count: 0
				};
			}
			this.changeImg = picUrl + item.commodity_pic[0]
			this.changeName = item.goods_alias
			this.changePrice = item.sales_price
			this.getComment(item.goods_id)
		},
		car() {
			NavgateTo("../shopCar/index");
		},

		//获取购物车数量
		getShopCar() {
			request(apiArr.getCarCount, "POST", {}).then((res) => {
				this.carNum = res.total;
				this.prevCarNum = res.total;
			});
		},

		getShopCarList() {
			request(apiArr.getCar, "POST", {}).then((res) => {
				this.carOrderList = res.commodity_cart_list;
			});
		},

		addCar() {
			let that = this;
			//如果没有当前商品 直接添加一个
			let goods_id_and_count = [];
			this.info.commodity_goods_info_list[this.currentGGIndex].cart_count = {
				count: 1,
			};
			this.info.commodity_goods_info_list.forEach((item) => {
				console.log(item.cart_count);
				goods_id_and_count.push({
					goods_id: item.id,
					count: item.cart_count ? item.cart_count.count : 0,
				});
			});

			console.log(goods_id_and_count);
			//因为是当前商品没有 调用update就是增加商品。增加商品之后再获取购物车数量
			request(apiArr.updateCar, "POST", {
				goods_id_and_count,
			}).then((res) => {
				that.getShopCar();
				that.getShopCarList();
			});
		},

		// 购物车更改
		changeCar(newValue) {
			// // 修改当前商品在购物车中的数量
			// this.info.commodity_goods_info_list[this.currentGGIndex].cart_count.count = newValue.value
			// // 修改购物车列表中的数量
			// this.carOrderList.forEach(item => {
			// 	if (item.commodity_goods_info.id == this.info.commodity_goods_info_list[this.currentGGIndex].id) {
			// 		item.count = newValue.value
			// 	}
			// })
			// // 计算购物车数量
			// let carNum = 0
			// this.carOrderList.forEach(item => {
			// 	carNum += item.count
			// })
			// this.carNum = carNum
			//商品数量变化
			const params = {
				user_id: uni.getStorageSync("userId"),
				goods_id_and_count: [{
					goods_id: this.info.commodity_goods_info_list[this.currentGGIndex].id,
					count: newValue.value,
				},],
			};
			request(apiArr.updateCar, "POST", params).then((res) => {
				console.log(res);
				this.getShopCarList();
				uni.showToast({
					title: "操作成功！",
					success() { },
				});
			});
		},

		showPopup() {
			this.show = true;
		},

		showSizePopup() {
			this.showSize = true;
		},

		close() {
			this.show = false;
		},

		closeSize() {
			this.showSize = false;
		},
		// 获取评论
		getComment(id) {
			let params = {}
			if (id) {
				params = {
					commodity_id: this.id,
					goods_id: id
				}
			} else {
				params = {
					commodity_id: this.id,
				}
			}
			request(apiArr.getComment, "POST", params).then((res) => {
				this.comments = res.commodity_evaluate_list.map(item => ({
					...item,
					review_image: item.review_image ? item.review_image.split(',') : []
				}));
			});
		}
	},
	onLoad(options) {
		console.log(JSON.parse(decodeURIComponent(options.item)));
		const itemObj = JSON.parse(decodeURIComponent(options.item));
		const meun = menuButtonInfo();
		this.top = meun.top;
		this.localHeight = meun.height;

		this.id = itemObj.id;
	},
	onReachBottom() { },
	onShow() {
		this.getShopCarList();
		this.getGoodsInfo();
		this.getShopCar();
		this.getComment();
	},

	//离开页面的时候直接更新购物车数量(目前接口是 传入商品id 数量。如果有当前商品就更新数量。如果没有就增加商品。如果删除某个商品 count 为0 就删除)
	onHide() {
		let goods_id_and_count = [];
		this.info.commodity_goods_info_list.forEach((item) => {
			goods_id_and_count.push({
				goods_id: item.id,
				count: item.cart_count ? item.cart_count.count : 0,
			});
		});

		request(apiArr.updateCar, "POST", {
			goods_id_and_count,
		}).then((res) => {
			console.log("Cart updated on hide");
		});
		return;
	},
};
</script>

<style>
@import url("./index.css");
</style>