<template>
	<view>
		<!-- #ifdef MP-ALIPAY -->
		<u-navbar :placeholder="true" bgColor="#fff" :autoBack="true" :border="true" title="优惠券使用记录" leftIconSize="0"></u-navbar>
		<!-- #endif -->
		<!-- #ifndef MP-ALIPAY -->
		<u-navbar :placeholder="true" bgColor="#fff" :autoBack="true" :border="true" title="优惠券使用记录"></u-navbar>
		<!-- #endif -->
		<!-- 优惠券筛选 -->
		<view class="prize-state">
			<u-tabs @change="changeTab" :scrollable="false" :list="stateArr" lineWidth="20" lineHeight="4"
				lineColor="#F9822C" :activeStyle="{
									color: '#333',
									transform: 'scale(1.1)',
									width: '50px',
									
								}" :inactiveStyle="{
									color: '#666666',
									transform: 'scale(1)',
									width: '50px'
								}" itemStyle="padding-left: 15px; padding-right: 15px; height: 44px;text-align: center;">
			</u-tabs>
		</view>
		<!-- 已使用 -->
		<view class="prize-coupon">
			<view class="prize-coupon-list">
				<view class="prize-coupon-list-item" v-for="(item, index) in list" :key="index">
					<view class="content flex">
						<view class="content-left flex">
							<image src="../static/prize_coupon_use.png" mode="scaleToFill"></image>
							<view class="price flex">
								<text>{{ item.discount / 100 }}</text>
								<text>元</text>
							</view>
						</view>
						<view class="content-right flex">
							<view class="title ells-one">{{ item.title }}</view>
							<view class="desc">适用范围：{{ item.useAreaDesc || '-' }}</view>
							<view class="desc">使用期限：{{ $parseTime(item.validStart, '{y}.{m}.{d}') }} ~ {{ $parseTime(item.validEnd, '{y}.{m}.{d}') }}</view>
						</view>
					</view>
					<image class="image-use" src="../static/coupon_use1.png" mode="scaleToFill" v-if="item.status.value == 1"></image>
					<image class="image-use" src="../static/coupon_use2.png" mode="scaleToFill" v-else></image>
				</view>
				<u-loadmore :line="true" v-if="list.length>6" :status="status" :loading-text="'努力加载中'" :nomore-text="'已经到底了'" />
			</view>
		</view>
		<view class="flex empty" v-if="!list.length">
			<view class="center">
				<image class="center-img" src="https://mp-public-1310078123.cos.ap-shanghai.myqcloud.com/v2/nodata_1.png" mode="scaleToFill"></image>
				<view class="center-font">暂无优惠券</view>
			</view>
			<!-- <u-empty text="数据为空" mode="order" /> -->
		</view>
	</view>
</template>

<script>
	import env from '../../config/env.js'
	import $http from '@/utils/request.js'
	export default {
		data() {
			return {
				status: 'nomore',//上拉刷新状态
				stateArr: [{
					name: '已使用'
				}, {
					name: '已过期',
				}],
				state: 2,
				pageNum: 1,
				total: 0,
				list: [],
			};
		},
		onShow() {
			this.pageList()
		},
		methods: {
			getList() {
				let _this = this
				let url = '/api/v1/mp/user/mine/coupon/list'
				this.loading = true
				$http.post(`${ url }?pageNum=${_this.pageNum}&pageSize=20`, {
					status: this.state
				}).then(res => {
					this.loading = false
					if (res.code == 0) {
						res.rows.forEach(item => {
							let picUrlArr = item.picUrl.split(',')
							item.picUrl = env.filePublic + picUrlArr[0] + '?imageView2/2/w/170'
							item.status = JSON.parse(item.status)
						})
						_this.total = res.total
						_this.list = _this.list.concat(res.rows)
					}
				}).catch(() => {
					this.loading = false
				})
			},

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

			changeTab(e) {
				if (e.index == 0) {
					this.state = 2
				} else if (e.index == 1) {
					this.state = 3
				}
				this.pageList()
			},

			changeChecked() {

			},
		},

		onReachBottom() {
			if(this.total < this.pageNum * 20) return ;
			this.status = 'loading';
			++this.pageNum
			if(this.total < this.pageNum * 20) this.status = 'nomore';
				else this.status = 'loading';
			this.getList()
		},
	}
</script>

<style lang="scss" scoped>
	.prize-state {
		display: flex;
		position: fixed;
		background-color: #FFFFFF;
		width: 100%;
		padding-bottom: 16rpx;
		z-index: 10;
	}

	.prize-coupon {
		margin-top: 104rpx;
		padding: 30rpx 34rpx 100rpx;

		&-list {
			&-item {
				position: relative;
				padding-top: 30rpx;
				margin-bottom: 30rpx;
				background-color: #fff;
				
				.content {
					width: 100%;
					height: 184rpx;
					justify-content: flex-start;
					
					&-left {
						width: 210rpx;
						height: 100%;
						margin-right: 20rpx;
						
						image {
							width: 100%;
							height: 100%;
						}
						
						.price {
							position: absolute;
							color: #fff;
							
							text:first-child {
								font-size: 70rpx;
								padding-right: 20rpx;
							}
							
							text:last-child {
								font-size: 40rpx;
							}
						}
					}
					
					&-right {
						flex: 1;
						align-items: flex-start;
						flex-direction: column;
						justify-content: space-between;
						height: 100%;
						padding: 24rpx 0;
						
						.title {
							font-size: 32rpx;
							line-height: 32rpx;
							height: 32rpx;
							overflow: hidden;
							font-weight: bold;
						}
						
						.desc {
							font-size: 24rpx;
							line-height: 24rpx;
							color: #999999;
						}
					}
				}
				
				.image-use {
					position: absolute;
					right: 34rpx;
					bottom: 10rpx;
					width: 170rpx;
					height: 170rpx;
				}
			}
		
			&-item:last-child {
				margin-bottom: 0;
			}
		}
	}

	.empty {
		height: 60vh;
		
		.center {
			text-align: center;
		
			&-img {
				width: 228rpx;
				height: 320rpx;
			}
		
			&-font {
				font-size: 30rpx;
				font-weight: 400;
				color: #999999;
				margin-bottom: 250rpx;
			}
		}
	}
</style>
