<template>
	<view class="u-wrap">
		<view style="margin: 30rpx">
			<up-swiper :list="['https://zhongshuai-test.oss-cn-beijing.aliyuncs.com/upload/20240919/c6f8c174-19b1-41a3-a0d9-082f0abb5f85.png']" height="320rpx" indicator></up-swiper>
		</view>

		<view class="u-search-box">
			<u-input placeholder="请输入充电桩型号或关键字" border="surround" prefixIcon="search" shape="circle" clearable="true" v-model="keywords"></u-input>
		</view>

		<view style="display: flex; align-items: center; justify-content: space-between; margin: 0 30rpx 30rpx">
			<view
				style="font-weight: bold; position: relative"
				:style="{
					color: purposeType == item.id ? '#333' : '#bbb'
				}"
				v-for="(item, index) in tabbar"
				:key="index"
				@click="swichMenu(item.id)"
			>
				<view style="position: relative;z-index: 9;">{{ item.name }}</view>
				<view v-if="purposeType == item.id" style="width: 72rpx; height: 16rpx; background: #b6d0aa; border-radius: 48rpx 48rpx 48rpx 48rpx; position: absolute; bottom: -5rpx; left: 0"></view>
			</view>
		</view>

		<view class="shopList">
			<!-- <image class="shopList_img" src="/static/jp.png" mode="widthFix"></image> -->
			<view class="shopList_list">
				<view class="shopList_list_view" v-for="i in filterGoods(goods)" :key="i" @click="navTo(`/pageInvest/shop/details?id=${i.id}`)">
					<image class="shopList_list_view_img" :src="i.cover" mode="aspectFit"></image>
					<view class="shopList_list_view_tit">{{ i.name }}</view>
					<view class="shopList_list_view_mon">
						<view class="shopList_list_view_mon_left">￥{{ i.currentPrice }} 元</view>
						<!-- <up-tag @click="toShop(i)" text="下单" bgColor="#4874e5" borderColor="#4874e5"></up-tag> -->
						<!-- <view class="shopList_list_view_mon_right">下单</view> -->
					</view>
				</view>
			</view>
		</view>

		<!-- <view class="u-menu-wrap">
			<scroll-view scroll-y scroll-with-animation class="u-tab-view menu-scroll-view" :scroll-top="scrollTop">
				<view
					v-for="(item, index) in tabbar"
					:key="index"
					class="u-tab-item"
					:class="[current == index ? 'u-tab-item-active' : '']"
					:data-current="index"
					@tap.stop="swichMenu(index)"
				>
					<text class="u-line-1">{{ item.name }}</text>
				</view>
			</scroll-view>
			<block v-for="(item, index) in tabbar" :key="index">
				<scroll-view scroll-y class="right-box" v-if="current == index">
					<view class="page-view">
						<view class="class-item">
							<view class="item-title">
								<text>{{ item.name }}</text>
							</view>
							<view class="item-container">
								<view class="thumb-box" v-for="(item1, index1) in filterGoods(item.foods)" @click="navTo(`/pageInvest/shop/details?id=${item1.id}`)" :key="item1.id">
									<image class="item-menu-image" :src="item1.cover" mode="aspectFill"></image>
									<view class="item-menu-name">{{ item1.name }}</view>
								</view>
							</view>
						</view>
					</view>
				</scroll-view>
			</block>
		</view> -->
	</view>
</template>

<script setup>
import { ref, onMounted } from 'vue';
import { onLoad } from '@dcloudio/uni-app';
import { goodsList, categoryList } from '@/api/api.js';

import { useNav } from '@/hooks/useNav.js';

const { navTo } = useNav();

const keywords = ref('');

let tabbar = ref([]);
let goods = ref([]);

let scrollTop = ref(0);
let current = ref(0);
let menuHeight = ref(0);
let menuItemHeight = ref(0);
let purposeType = ref(null);
// [
// 				{
// 					name: '女装',
// 					foods: [
// 						{
// 							name: 'A字裙',
// 							key: 'A字裙',
// 							icon: 'https://cdn.uviewui.com/uview/common/classify/1/1.jpg',
// 							cat: 10
// 						}
// 					]
// 				}
// 			]

onMounted(() => {
	categoryList().then((res) => {
		tabbar.value = res.map((item, index) => {
			return {
				...item,
				foods: []
			};
		});

		purposeType.value = res[0].id;

		goodsList({ categoryId: res[0].id }).then((res) => {
			// tabbar.value[0].foods = res;
			goods.value = res;
		});
	});
});

async function swichMenu(index) {
	// if (index == current.value) return;
	// current.value = index;

	purposeType.value = index;
	goodsList({ categoryId: index }).then((res) => {
		goods.value = res;
	});

	return;

	// 如果为0，意味着尚未初始化
	if (menuHeight.value == 0 || menuItemHeight.value == 0) {
		await this.getElRect('menu-scroll-view', 'menuHeight');
		await this.getElRect('u-tab-item', 'menuItemHeight');
	}
	// 将菜单菜单活动item垂直居中
	this.scrollTop = index * menuItemHeight.value + menuItemHeight.value / 2 - menuHeight.value / 2;
}

function getElRect(elClass, dataVal) {
	new Promise((resolve, reject) => {
		const query = uni.createSelectorQuery().in(this);
		query
			.select('.' + elClass)
			.fields({ size: true }, (res) => {
				// 如果节点尚未生成，res值为null，循环调用执行
				if (!res) {
					setTimeout(() => {
						this.getElRect(elClass);
					}, 10);
					return;
				}
				this[dataVal] = res.height;
			})
			.exec();
	});
}

const filterGoods = (value) => {
	if (!value?.length) {
		return [];
	}
	return value.filter((item) => item.name.includes(keywords.value));
};
</script>

<style lang="scss" scoped>
.u-wrap {
	height: calc(100vh);
	/* #ifdef H5 */
	height: calc(100vh - var(--window-top));
	/* #endif */
	display: flex;
	flex-direction: column;
}

.u-search-box {
	padding: 18rpx 30rpx;
}

.u-menu-wrap {
	flex: 1;
	display: flex;
	overflow: hidden;
}

.u-search-inner {
	background-color: rgb(234, 234, 234);
	border-radius: 100rpx;
	display: flex;
	align-items: center;
	padding: 10rpx 16rpx;
}

.u-search-text {
	font-size: 26rpx;
	color: $u-tips-color;
	margin-left: 10rpx;
}

.u-tab-view {
	width: 200rpx;
	height: 100%;
}

.u-tab-item {
	height: 80rpx;
	background: #f6f6f6;
	box-sizing: border-box;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 26rpx;
	color: #444;
	font-weight: 400;
	line-height: 1;
}

.u-tab-item-active {
	position: relative;
	color: #000;
	font-size: 30rpx;
	font-weight: 600;
	background: #fff;
}

.u-tab-item-active::before {
	content: '';
	position: absolute;
	border-left: 4px solid rgba(111, 162, 86, 1);
	height: 45rpx;
	left: 0;
	top: calc(50% - 22.5rpx);
}

.u-tab-view {
	height: 100%;
}

.right-box {
	background-color: rgb(250, 250, 250);
}

.page-view {
	padding: 16rpx;
}

.class-item {
	margin-bottom: 30rpx;
	background-color: #fff;
	padding: 16rpx;
	border-radius: 8rpx;
}

.item-title {
	font-size: 26rpx;
	color: $u-main-color;
	font-weight: bold;
}

.item-menu-name {
	font-weight: normal;
	font-size: 24rpx;
	color: $u-main-color;
}

.item-container {
	display: flex;
	flex-wrap: wrap;
}

.thumb-box {
	width: 33.333333%;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	margin-top: 20rpx;
}

.item-menu-image {
	width: 144rpx;
	height: 144rpx;
	border-radius: 4rpx 4rpx 4rpx 4rpx;
}

.shopList {
	@include flex($direction: column, $space: content);
	&_img {
		width: 308rpx;
		height: 44rpx;
		margin-bottom: 50rpx;
	}
	&_list {
		width: 690rpx;
		display: flex;
		flex-wrap: wrap;
		justify-content: space-between;
		&_view {
			border-radius: 8rpx 8rpx 8rpx 8rpx;
			width: 334rpx;
			background-color: #fff;
			margin-bottom: 30rpx;
			padding-bottom: 20rpx;
			&_img {
				width: 334rpx;
				height: 334rpx;
				border-radius: 8rpx 8rpx 0rpx 0rpx;
			}
			&_tit {
				padding: 10rpx 20rpx 0;
				display: -webkit-box;
				-webkit-line-clamp: 2; /* 限制显示的行数 */
				-webkit-box-orient: vertical;
				overflow: hidden;
				text-overflow: ellipsis;
				font-weight: bold;
				font-size: 30rpx;
				color: #232323;
			}
			&_mon {
				padding: 0rpx 20rpx;
				@include flex($space: space-between);
				&_left {
					font-weight: bold;
					font-size: 30rpx;
					color: rgba(239, 38, 38, 1);
				}
				&_right {
					width: 80rpx;
					height: 40rpx;
					@include flex($space: center);
					font-size: 26rpx;
					background-color: #4874e5;
					color: #fff;
					font-weight: bold;
					border-radius: 20rpx;
				}
			}
		}
	}
}
</style>
