<template>
	<view class="container" :style="appThemeStyle">
		<mescroll-body ref="mescrollRef" :sticky="true" @init="mescrollInit" :down="{ native: true }"
			@down="downCallback" :up="upOption" @up="upCallback">

			<!-- tab栏 -->
			<!-- <u-tabs :list="tabs" :is-scroll="false" :current="curTab" :active-color="appTheme.mainBg" :duration="0.2"
				@change="onChangeTab" /> -->
	<view class="container">
			<view class="classify-list">
				<view class="list" v-for="(item,index) in tabs" :class="{'action':curTab==index}"
					@click="onChangeTab(index)" :key="index">
					<text>{{item.name}}</text>
					<text class="line" v-show="curTab==index"></text>
				</view>
			</view>
		</view>
			<!-- 退款/售后单 -->
			<view class="widget-list">
				<view class="widget-detail" v-if="list.data.length>0" v-for="(item, index) in list.data" :key="index">
					<view class="row-block dis-flex flex-y-center">
						<view class="flex-box">{{ item.create_time }}</view>
						<view class="flex-box t-r">
							<text class="col-m">{{ item.state_text }}</text>
						</view>
					</view>
					<view class="detail-goods row-block dis-flex"
						@click.stop="handleTargetDetail(item.order_refund_id)">
						<view class="goods-image">
							<image class="image" :src="item.orderGoods.goods_image" mode="aspectFit"></image>
						</view>
						<view class="goods-right flex-box">
							<view class="goods-name">
								<text class="twoline-hide">{{ item.orderGoods.goods_name }}</text>
							</view>
							<view class="goods-props clearfix">
								<view class="goods-props-item" v-for="(props, idx) in item.orderGoods.goods_props"
									:key="idx">
									<text>{{ props.value.name }}</text>
								</view>
							</view>
							<view class="goods-num t-r">
								<text class="f-26 col-8">×{{ item.orderGoods.total_num }}</text>
							</view>
						</view>
					</view>
					<view class="detail-order row-block">
						<view class="item dis-flex flex-x-end flex-y-center">
							<text class="">付款金额：</text>
							<text class="col-m">￥{{ item.orderGoods.total_pay_price }}</text>
						</view>
					</view>
					<view class="detail-operate row-block dis-flex flex-x-end flex-y-center">
						<view class="detail-btn btn-detail" @click.stop="handleTargetDetail(item.order_refund_id)">查看详情
						</view>
					</view>
				</view>
				<u-empty text="暂无数据显示哦～" v-else mode="list"></u-empty>
			</view>

		</mescroll-body>

	</view>
</template>

<script>
	import MescrollMixin from '@/uni_modules/mescroll-uni/components/mescroll-uni/mescroll-mixins'
	import {
		getEmptyPaginateObj,
		getMoreListData
	} from '@/core/app'
	import * as RefundApi from '@/api/refund'

	// 每页记录数量
	const pageSize = 15

	// tab栏数据
	const tabs = [{
		name: '全部',
		value: -1
	}, {
		name: '待处理',
		value: 0
	}]

	export default {
		mixins: [MescrollMixin],
		data() {
			return {
				// 订单列表数据
				list: getEmptyPaginateObj(),
				// tabs栏数据
				tabs,
				// 当前标签索引
				curTab: 0,
				// 上拉加载配置
				upOption: {
					// 首次自动执行
					auto: true,
					// 每页数据的数量; 默认10
					page: {
						size: pageSize
					},
					// 数量要大于2条才显示无更多数据
					noMoreSize: 2,
					// 空布局
					empty: {
						tip: '亲，暂无售后单记录'
					}
				},
				// 控制首次触发onShow事件时不刷新列表
				canReset: false,
			}
		},
		onUnload() {
			uni.switchTab({
				url: '/pages/user/index' // targetTab 为目标 tab 页的路径
			})
		},
		/**
		 * 生命周期函数--监听页面加载
		 */
		onLoad(options) {

		},

		/**
		 * 生命周期函数--监听页面显示
		 */
		onShow() {
			this.canReset && this.onRefreshList()
			this.canReset = true
		},

		methods: {

			/**
			 * 上拉加载的回调 (页面初始化时也会执行一次)
			 * 其中page.num:当前页 从1开始, page.size:每页数据条数,默认10
			 * @param {Object} page
			 */
			upCallback(page) {
				const app = this
				// 设置列表数据
				app.getRefundList(page.num)
					.then(list => {
						const curPageLen = list.data.length
						const totalSize = list.data.total
						app.mescroll.endBySize(curPageLen, totalSize)
					})
					.catch(() => app.mescroll.endErr())
			},

			// 获取退款/售后单列表
			getRefundList(pageNo = 1) {
				const app = this
				return new Promise((resolve, reject) => {
					RefundApi.list({
							state: app.getTabValue(),
							page: pageNo
						}, {
							load: false
						})
						.then(result => {
							// 合并新数据
							const newList = result.data.list
							app.list.data = getMoreListData(newList, app.list, pageNo)
							resolve(newList)
						})
				})
			},

			// 切换标签项
			onChangeTab(index) {
				console.log(index)
				const app = this
				// 设置当前选中的标签
				app.curTab = index
				// 刷新售后单列表
				app.onRefreshList()
			},

			// 刷新订单列表
			onRefreshList() {
				this.list = getEmptyPaginateObj()
				setTimeout(() => {
					this.mescroll.resetUpScroll()
				}, 120)
			},

			// 获取当前标签项的值
			getTabValue() {
				return this.tabs[this.curTab].value
			},

			// 跳转到售后单详情页
			handleTargetDetail(orderRefundId) {
				this.$navTo('pages/refund/detail', {
					orderRefundId
				})
			},

		}
	}
</script>

<style lang="scss" scoped>
	::v-deep .u-empty {
		padding: 100rpx 0;
	}

	.classify-list {
		white-space: nowrap;
		width: 100%;
		height: 100rpx;
		overflow-x: auto;
		overflow-y: hidden;

		.list {
			position: relative;
			display: inline-block;
			width: 50%;
			height: 100%;
			line-height: 100rpx;
			text-align: center;

			text {
				font-size: 28rpx;
				color: #3B3B3B;

			}

			.line {
				position: absolute;
				left: 50%;
				bottom: 10rpx;
				// width: 60%;
				// height: 8rpx;
				background: linear-gradient(to right, #f8f893, #fe9d00);
				// border-radius: 10rpx;
				transform: translate(-50%, 0);

				width: 60upx;
				height: 8upx;
				background: #FF6257;
				border-radius: 29px 29px 29px 29px;
				opacity: 1;
			}
		}

		.action {
			text {
				font-size: 32rpx;
				opacity: 1;
			}
		}
	}

	.widget-detail {
		box-sizing: border-box;
		background: #fff;
		margin: 20rpx 20rpx 0 20rpx;
		border-radius: 24rpx;

		.row-block {
			padding: 0 20rpx;
			min-height: 70rpx;
		}

		.detail-goods {
			padding: 20rpx;

			.goods-image {
				margin-right: 20rpx;

				.image {
					display: block;
					width: 200rpx;
					height: 200rpx;
				}
			}

			.goods-right {
				padding: 15rpx 0;
			}

			.goods-name {
				margin-bottom: 10rpx;
			}


			.goods-props {
				margin-top: 14rpx;
				height: 40rpx;
				color: #ababab;
				font-size: 24rpx;
				overflow: hidden;

				.goods-props-item {
					display: inline-block;
					margin-right: 14rpx;
					padding: 4rpx 16rpx;
					border-radius: 12rpx;
					background-color: #F5F5F5;
					width: auto;
				}
			}

		}

		.detail-operate {
			padding-bottom: 20rpx;

			.detail-btn {
				border-radius: 4px;
				border: 1rpx solid #ccc;
				padding: 8rpx 20rpx;
				font-size: 28rpx;
				color: #555;
				margin-left: 10rpx;
			}
		}

		.detail-order {
			padding: 10rpx 20rpx;
			font-size: 28rpx;
			height: 50rpx;
			display: flex;
			align-items: center;

			.item {
				margin-bottom: 10rpx;

				&:last-child {
					margin-bottom: 0;
				}
			}
		}
	}
</style>