<!-- 普通专题推荐位 -->
<template>
	<view class="whole" v-if="loading" :style="{background: pageInfo.background_color || '#F5F5F5'}">
		<view class="banner" v-if="pageInfo.image">
			<image :src="pageInfo.image + '?x-oss-process=image/format,webp'" :webp="true" mode="widthFix" class="img"></image>
		</view>
		<view :style="{background: pageInfo.nav_bg_color || '#f3f3f3'}" class="tabsBox" v-if="actionList.length">
			<up-tabs
				:current="activeIndex"
				keyName="name"
				:list="actionList"
				:lineColor="pageInfo.nav_text_color"
				:inactiveStyle="{ color: pageInfo.nav_text_color }"
				:activeStyle="{ color: pageInfo.nav_text_color }"
				@click="changeTabs">
			</up-tabs>
		</view>
		<view class="goodbox" v-if="goodsList.length !== 0" :class="pageInfo.show_type === 2 ? 'two' : pageInfo.show_type === 3 ? 'three' : ''">
			<view class="item" v-for="(item, index) in goodsList" :key="item.id" @click="toGroups(item.pivot.path)">
				<div class="imgbox">
					<image :src="item.pivot.image + '?x-oss-process=image/format,webp'" :webp="true" mode="aspectFill" class="img"></image>
					<view class="out" v-if="item.sold_status === 2">
						<img src="https://ct-upimg.yx090.com/ju8hn6/shop/image/2024/01/16/Cr6cRRhhqYNhScigxIyumyV9hXXMI3vKvsE1jgt0.png" class="out_img" />
					</view>
					<view class="out" v-else-if="item.sold_status === 0">
						<img src="https://ct-upimg.yx090.com/ju8hn6/shop/image/2024/08/21/QBhUheeYWSJ3OGM27fkAufJAlFSA8GBhWjpY5oNy.png" class="out_img" />
					</view>
					<view class="out" v-else-if="item.total_stock === 0">
						<img src="https://ct-upimg.yx090.com/ju8hn6/shop/image/2024/08/21/pMTv6QiZZEpSqkJmk7hMcbEzIuNzMyp7YVBbe42H.png" class="out_img" />
					</view>
				</div>
				
				<view class="box">
					<view class="tit">
						<view class="kuajing" v-if="item.has_cross_border">跨境包税</view>
						<view class="kuajing" v-else-if="item.overseas_direct_mail">海外直邮</view>{{item.pivot.title}}
					</view>
					<view class="ation" v-if="!item.has_cross_border">
						<template v-if="item.red_amount * 1 != 0">
							<text class="quan" v-if="item.red_type == 2">新人再减{{item.red_amount * 1}}元</text>
							<text class="quan" v-else="item.red_type == 0">券{{item.red_amount * 1}}元</text>
						</template>
						
						<template v-if="item.pivot && item.pivot.actives_title">
							<text class="man" v-for="(itm, i) in item.pivot.actives_title" :key="i">{{itm}}</text>
						</template>
					</view>
					<view class="bot">
						<view class="text" v-if="item.pivot.path_type === 0">
							<text class="prefix">￥</text>
							<text class="txt1" v-if="parseFloat(item.pivot.min_price) == parseFloat(item.pivot.max_price)">{{item.pivot.min_price}}</text>
							<text class="txt1" v-else>{{item.pivot.min_price * 1}}~{{item.pivot.max_price}}</text>
						</view>
						<view class="text" v-else>
							<text class="prefix">￥</text>
							<text class="txt1" v-if="parseFloat(item.min_price) == parseFloat(item.max_price)">{{item.min_price}}</text>
							<text class="txt1" v-else>{{item.min_price * 1}}~{{item.max_price}}</text>
						</view>
						<view class="icon"><up-icon name="shopping-cart" :color="Color" size="24" /></view>
					</view>
				</view>
			</view>
			<view class="bottom" v-if="page >= last_page" :style="{color: modifyTextColor(pageInfo.background_color)}">
				— 没有更多了 —
			</view>
		</view>
		<view v-else class="empty">
			<up-empty mode="data" icon="https://ct-upimg.yx090.com/g.ii090/images/sprite/empty/data.png" text="暂无数据"></up-empty>
		</view>
		
		<!-- 返回顶部 -->
		<div @click="handleTop" v-if="showTop" class="top">
			<up-icon name="arrow-upward" color="#000" size="24" />
		</div>

	</view>
</template>

<script>
	import { ref, reactive, toRefs } from 'vue'
	import { get, post } from '@/Api/request.js'
	import { modifyTextColor } from '@/utils/index.js'
	import { Style } from '@/utils/list.js'
	
	export default {
		setup() {
			const data = reactive({
				activeIndex: 0,
				id: '',
				page: 1,
				last_page: 0,
				goodsList: [],
				loading: false,
				showTop: false,
				pageInfo: {},
				Color: '',
				priceColor: '',
				actionList: [],
				actionId: 0
			})
			
			async function getPageInfo() {
				await get('/api/v1/showcase/' + data.id).then((res) => {
					data.pageInfo = res.data
					data.actionList = res.data.actives || []
					if(data.actionList.length != 0) {
						data.actionList.unshift({id: 0, name: '全部'})
					}
				})
			}
			async function getFetchList() {
				uni.showLoading({
					mask: true,
					title: '加载中'
				})
				await get('/api/app/showcase/goods/' + data.id, { page: data.page, pageSize: 24, active_id: data.actionId }).then((res) => {
					data.last_page = res.meta.last_page
					data.goodsList = data.goodsList.concat(res.data)
					uni.hideLoading()
				})
			}
			const handleTop = () => {
				uni.pageScrollTo({
					scrollTop: 0,
					duration: 300
				})
			}
			const toGroups = (path) => {
				uni.navigateTo({
					url: path + '&source_id=' + data.id + '&source_type=exclusive'
				})
			}
			
			const changeTabs = (event) => {
				if (event.id == data.actionId) {
					return
				}
				data.actionId = event.id
				data.activeIndex = event.index
				data.page = 1
				data.goodsList = []
				getFetchList()
			}
			
			return {
				modifyTextColor,
				...toRefs(data),
				getFetchList,
				handleTop,
				toGroups,
				getPageInfo,
				changeTabs
			}
		},
		onReachBottom() {
			if (this.page < this.last_page) {
				this.page ++
				this.getFetchList()
			}
		},
		onPageScroll(e) {
			if (e.scrollTop > 300) {
				this.showTop = true
			} else {
				this.showTop = false
			}
		},
		async onLoad(options) {
			this.id = options.id
			// await this.$onLaunched
			await this.getPageInfo()
			await this.getFetchList()
			this.title = options.title || this.pageInfo.title
			this.Color = uni.getStorageSync('theme_color')
			this.bgColor = Style[uni.getStorageSync('theme_index') * 1].bgColor
			this.priceColor = Style[uni.getStorageSync('theme_index') * 1].priceColor
			uni.setNavigationBarTitle({
				title: this.title
			})
			this.loading = true
		}
	}
</script>

<style lang="scss" scoped>
	.whole{
		min-height: 100vh;
		.banner{
			width: 100%;
			.img{
				width: 100%;
			}
		}
		.tabsBox{
			position: sticky;
			top: -1px;
			z-index: 1;
		}
	}
	.goodbox{
		padding: 24rpx;
		display: flex;
		flex-wrap: wrap;
		.item{
			margin: 0 0 24rpx 0;
			display: flex;
			align-items: center;
			justify-content: space-between;
			background: #fff;
			padding: 24rpx;
			box-sizing: border-box;
			border-radius: 10rpx;
			width: 100%;
			.imgbox{
				position: relative;
				.out{
					position: absolute;
					width: 100%;
					height: 100%;
					display: flex;
					align-items: center;
					justify-content: center;
					top: 0;
					left: 0;
					.out_img{
						width: 100rpx;
						height: 100rpx;
					}
				}
			}
			.img{
				width: 200rpx;
				height: 200rpx;
				border-radius: 10rpx;
			}
			.box{
				display: flex;
				height: 200rpx;
				width: calc(100% - 220rpx);
				flex-direction: column;
				justify-content: space-between;
				.tit{
					font-size: 28rpx;
					color: #2C2C2C;
					display: -webkit-box;
					-webkit-box-orient: vertical;
					-webkit-line-clamp: 2;
					overflow: hidden;
					line-height: 40rpx;
				}
				.ation{
					font-size: 22rpx;
					text{
						margin: 0 8rpx 8rpx 0;
						border-radius: 6rpx;
						padding: 6rpx 10rpx;
						line-height: 1;
						color: v-bind('Color');
						display: inline-block;
					}
					.quan{
						border: 1px solid v-bind('Color');
					}
					.man{
						background-color: v-bind('bgColor');
						border: 1px solid v-bind('bgColor');
					}
				}
				.bot{
					display: flex;
					align-items: center;
					justify-content: space-between;
				}
				.text{
					color: v-bind('priceColor');
					.prefix{
						font-size: 24rpx;
					}
					text{
						font-size: 34rpx;
					}
				}
			}
		}
		&.two{
			.item{
				width: calc(50% - 14rpx);
				display: block;
				margin: 0 24rpx 24rpx 0;
				&:nth-child(2n+2){
					margin: 0 0 24rpx 0;
				}
				.img{
					width: 100%;
					height: 292rpx;
				}
				.box{
					width: 100%;
					height: auto;
					.tit{
						height: 80rpx;
						margin: 10rpx 0;
					}
					.txt1{
						font-size: 28rpx;
					}
				}
				.imgbox{
					.out{
						.out_img{
							width: 150rpx;
							height: 150rpx;
						}
					}
				}
			}
		}
		&.three{
			.item{
				width: calc(33.3% - 18rpx);
				display: block;
				padding: 18rpx;
				margin: 0 24rpx 24rpx 0;
				&:nth-child(3n+3){
					margin: 0 0 24rpx 0;
				}
				.img{
					width: 100%;
					height: 184rpx;
				}
				.box{
					width: 100%;
					height: auto;
					.tit{
						height: 80rpx;
						margin: 10rpx 0;
					}
					.txt1{
						font-size: 26rpx;
					}
					.icon{
						display: none;
					}
				}
			}
		}
	}
	.empty{
		width: 100%;
		height: calc(100vh - 100rpx);
		position: relative;
		z-index: 1;
		color: #fff;
	}
	.top {
		position: fixed;
		bottom: 15%;
		right: 5%;
		background: #fff;
		width: 80rpx;
		height: 80rpx;
		line-height: 107rpx;
		border-radius: 50%;
		text-align: center;
		box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.2);
		z-index: 10;
	}
	.bottom {
		text-align: center;
		font-size: 24rpx;
		color: #333;
		margin: auto;
		line-height: 80rpx;
		width: 100%;
	}
</style>
