<template>
	<view>
		<u-navbar :placeholder="true" bgColor="#fff" :autoBack="true" :border="true" title="我的奖品库"></u-navbar>
		<!-- 奖品选择 -->
		<view class="prize-state">
			<u-tabs @change="changeTab" :scrollable="false" :list="stateArr" lineWidth="40" lineHeight="1"
				lineColor="#D70909" :activeStyle="{
									color: '#D70909',
									transform: 'scale(1)'
								}" :inactiveStyle="{
									color: '#333',
									transform: 'scale(1)'
								}" itemStyle="padding-left: 25px; padding-right: 25px; height: 44px;">
			</u-tabs>
		</view>
		<!-- 实物商品 -->
		<view class="prize-goods" v-if="state == 0">
			<view class="prize-goods-list">
				<view class="flex prize-goods-list-item" v-for="(item, index) in list" :key="index">
					<view class="flex checkbox">
						<u-checkbox-group>
							<u-checkbox size="24" :value="item.checked" shape="circle" :checked="item.checked" activeColor="#E96737"
								@change="changeChecked($event, item)"></u-checkbox>
						</u-checkbox-group>
					</view>
					<view class="flex info">
						<image :src="item.picUrl" mode="aspectFill"></image>
						<view class="flex desc">
							<view class="ells content">{{ item.title }}</view>
							<view class="sku" v-if="item.properties">规格：{{ item.properties }}</view>
							<view class="">数量：{{ item.goodsNum }}</view>
						</view>
					</view>
				</view>
			</view>
			<view class="flex empty" v-if="!list.length && !loading">
				<u-empty text="数据为空" mode="order" />
			</view>
		</view>
		<!-- 卡券 -->
		<view class="prize-coupon" v-else>
			<view class="prize-coupon-list">
				<navigator :url="`/pages/prize/detail?info=${ JSON.stringify(item) }`" class="flex prize-coupon-list-item" hover-class="navigator-hover" v-for="(item, index) in list" :key="index">
					<image :src="item.picUrl" mode="aspectFill"></image>
					<view class="flex info">
						<view class="flex desc">
							<view class="title">{{ item.title }}</view>
							<view class="txt">使用期限：{{ $parseTime(item.validStart, '{y}.{m}.{d}') }}-{{ $parseTime(item.validEnd, '{y}.{m}.{d}') }}</view>
							<view class="txt">使用范围：{{ item.useAreaDesc }}</view>
						</view>
						<view class="flex btn">
							<view class="amt"><text>￥</text>{{ item.discount / 100 }}</view>
							<view class="action">立即使用</view>
						</view>
					</view>
				</navigator>
			</view>
			<view class="flex empty" v-if="!list.length && !loading">
				<u-empty text="数据为空" mode="order" />
			</view>
		</view>

		<view class="prize-action">
			<!-- 实物商品提货 -->
			<view class="flex prize-action-goods" v-if="state == 0">
				<view class="flex checkbox">
					<view class="all">全选</view>
					<u-checkbox-group>
						<u-checkbox v-model="checkedAll" shape="circle" size="24" :checked="checkedAll" activeColor="#E96737"
							@change="changeCheckedAll($event)"></u-checkbox>
					</u-checkbox-group>
				</view>
				<view class="btn" @click="toSettlement">立即提货</view>
			</view>
			<!-- 卡券使用记录 -->
			<view class="flex prize-action-coupon" @click="toCoupon" v-else>
				<view class="title">卡券使用记录</view>
				<u-icon name="arrow-right" size="15" color="#333"></u-icon>
			</view>
		</view>
	</view>
</template>

<script>
	import env from '../../config/env.js'
	import $http from '@/utils/request.js'
	export default {
		data() {
			return {
				loading: false,
				stateArr: [{
					name: '实物商品'
				}, {
					name: '卡券',
				}],
				state: 0,
				checkedAll: false,

				pageNum: 1,
				total: 0,
				list: [],
			};
		},
		onShow() {
			this.pageList()
		},
		methods: {
			getList() {
				let _this = this
				let url = _this.state == 0 ? '/api/v1/mp/user/mine/prize/list' : '/api/v1/mp/user/mine/coupon/list'
				let data = _this.state == 0 ? {} : {
					status: 1
				}
				uni.showLoading({
					title: '加载中'
				});
				this.loading = true
				this.checkedAll = false
				$http.post(`${ url }?pageNum=${_this.pageNum}&pageSize=20`, data).then(res => {
					uni.hideLoading();
					this.loading = false
					if (res.code == 0) {
						res.rows.forEach(item => {
							let picUrlArr = item.picUrl.split(',')
							item.picUrl = env.filePublic + picUrlArr[0]
							if (_this.state == 0) {
								item.checked = false
							}
						})
						_this.total = res.total
						_this.list = _this.list.concat(res.rows)
					}
				}).catch(() => {
					uni.hideLoading();
					this.loading = false
				})
			},

			pageList() {
				this.pageNum = 1
				this.list = []
				this.getList()
			},

			// 切换奖品
			changeTab(e) {
				if (e.index == 0) {
					this.state = 0
				} else if (e.index == 1) {
					this.state = 1
				}
				this.pageList()
				this.checkedAll = false
			},

			changeChecked(e, item) {
				this.$set(item, 'checked', e)
				let flag = this.list.every(item => item.checked == true)
				this.checkedAll = flag
				this.$forceUpdate()
			},
			
			changeCheckedAll(e) {
				this.checkedAll = e
				this.list.forEach(item => {
					item.checked = e
				})
				this.$forceUpdate()
			},
			

			// 查看卡券使用记录
			toCoupon() {
				uni.navigateTo({
					url: '/pages/prize/coupon'
				})
			},

			// 立即提货
			toSettlement() {
				let arr = []
				this.list.forEach(item => {
					if (item.checked) {
						arr.push(item)
					}
				})
				if (!arr.length) {
					uni.$u.toast('请选择商品');
					return
				}
				uni.showLoading({
					title: '提货中'
				});
				let ids = JSON.stringify(arr.map(item => item.storageId))
				uni.hideLoading();
				uni.navigateTo({
					url: `/pages/order/settlement?ids=${ ids }`
				})
			},
		},
		
		onReachBottom() {
			// 判断是否有数据
			if (this.total > this.pageNum * 20) {
				setTimeout(() => {
					++this.pageNum
					this.getList()
				}, 500)
			} else {
				uni.$u.toast('没有更多数据了')
			}
		},
	}
</script>

<style lang="scss" scoped>
	.empty {
		height: 60vh;
	}

	.prize-state {
		position: fixed;
		background-color: #FFFFFF;
		width: 100%;
		padding-bottom: 16rpx;
		z-index: 10;
		box-shadow: 0 5rpx 5rpx #ececec;
	}

	.prize-goods {
		margin-top: 90rpx;
		padding: 40rpx 20rpx 200rpx;

		&-list {

			&-item {
				justify-content: space-between;
				padding: 36rpx 16rpx;
				background-color: #fff;
				border-radius: 10rpx;
				margin-bottom: 30rpx;

				.checkbox {}

				.info {
					flex: 1;
					justify-content: flex-start;
				}

				image {
					width: 200rpx;
					height: 200rpx;
				}

				.desc {
					height: 200rpx;
					padding-left: 22rpx;
					flex: 1;
					font-size: 30rpx;
					flex-direction: column;
					align-items: flex-start;
					justify-content: space-between;
				}

				.content {
					line-height: 40rpx;
					font-weight: bold;
				}
				.sku{
					color: #848484;
				}

				.num {
					width: 100%;
					color: #8C8C8C;
					justify-content: space-between;
				}
			}

			&-item:last-child {
				margin-bottom: 0;
			}
		}
	}

	.prize-coupon {
		margin-top: 90rpx;
		padding: 40rpx 20rpx 100rpx;

		&-list {

			&-item {
				justify-content: space-between;
				background-color: #FFFFFF;
				padding: 40rpx 20rpx;
				border-radius: 10rpx;
				margin-bottom: 30rpx;

				image {
					width: 128rpx;
					height: 128rpx;
				}

				.info {
					justify-content: space-between;
					flex: 1;
				}

				.desc {
					height: 132rpx;
					flex-direction: column;
					justify-content: space-between;
					align-items: flex-start;
					padding-left: 20rpx;
				}
				
				.title{
					font-weight: bold;
				}

				.txt {
					font-size: 24rpx;
				}

				.btn {
					flex-direction: column;
				}

				.amt {
					font-size: 48rpx;
					font-weight: bold;
					line-height: 72rpx;
				}

				text {
					font-size: 24rpx;
				}

				.action {
					width: 124rpx;
					height: 40rpx;
					line-height: 40rpx;
					border-radius: 20rpx;
					background-color: rgba(215, 9, 9, 100);
					color: rgba(255, 255, 255, 100);
					font-size: 24rpx;
					text-align: center
				}
			}

			&-item:last-child {
				margin-bottom: 0;
			}
		}
	}

	.prize-action {
		position: fixed;
		bottom: var(--window-bottom);
		left: 0;
		right: 0;
		z-index: 10;
		box-shadow: 0 -4rpx 10rpx 0 rgba(151, 151, 151, 0.24);
		background: #fff;
		width: 100%;

		// 设置ios刘海屏底部横线安全区域
		padding-bottom: constant(safe-area-inset-bottom);
		padding-bottom: env(safe-area-inset-bottom);

		&-goods {
			justify-content: space-between;
			padding: 20rpx 40rpx;
			
			.all{
				margin-right: 10rpx;
			}

			.btn {
				width: 280rpx;
				height: 90rpx;
				font-size: 36rpx;
				line-height: 90rpx;
				border-radius: 10rpx;
				background-color: rgba(235, 112, 9, 100);
				color: rgba(255, 255, 255, 100);
				text-align: center;
			}
		}

		&-coupon {
			padding: 30rpx 40rpx;

			.title {
				margin-right: 20rpx;
				line-height: 40rpx;
			}
		}
	}
</style>
