<template>
	<view>
		<view class="tabs">
			<u-tabs :list="tab_list" :is-scroll="true" :current="current" bg-color="#f6f6f6" active-color="#11D189" @change="tabsChange"></u-tabs>
		</view>
		<swiper :style="{height: 'calc('+ windowHeight +'px - 110rpx)', width: '750rpx'}" 
			:current="current" @change="swiperChange">
			<swiper-item v-for="(tabItem, tabIndex) in tab_list" :key="tabIndex">
				<scroll-view class="lf-w-100 lf-h-100 lf-p-l-32 lf-p-r-32 lf-border-box" 
					:scroll-y="true" :refresher-enabled="true" 
					refresher-background="#f6f6f6"
					@scrolltolower="scrolltolower" 
					:refresher-triggered="tabItem.isRefresher" 
					@refresherrefresh="onRefresherrefresh">
					<view class="card" v-for="(item, index) in tabItem.list" :key="item.id" @click="$url('/pages/purchase/detail?p_sn='+ item.p_sn)">
						<view class="lf-row-between item" v-if="item.supplier.supplier_name">
							<view class="lf-color-gray">供应商</view>
							<view class="lf-color-black">{{ item.supplier.supplier_name }}</view>
						</view>
						<view class="lf-row-between item" v-if="item.batch_sn">
							<view class="lf-color-gray">批次号</view>
							<view class="lf-color-black">{{item.batch_sn}}</view>
						</view>
						<view class="lf-row-between item" v-if="item.p_sn">
							<view class="lf-color-gray">订单号</view>
							<view class="lf-color-black">{{item.p_sn}}</view>
						</view>
						<view class="lf-row-between item" v-if="item.send_time">
							<view class="lf-color-gray">发单时间</view>
							<view class="lf-color-black">{{ item.send_time }}</view>
						</view>
						<view class="lf-row-between item" v-if="item.deadline">
							<view class="lf-color-gray">预计收货时间</view>
							<view class="lf-color-black">{{ item.deadline }}</view>
						</view>
						<view class="lf-row-between item" v-if="item.receive_time">
							<view class="lf-color-gray">实际送达时间</view>
							<view class="lf-color-black">{{ item.receive_time }}</view>
						</view>
						<view class="lf-row-between item" v-if="item.cate_number">
							<view class="lf-color-gray">商品种类</view>
							<view class="lf-color-black">{{item.cate_number}}类</view>
						</view>
						<view class="lf-row-between item" v-if="item.state">
							<view class="lf-color-gray">订单状态</view>
							<view :class="stateClass(item.state)">{{ item.state }}</view>
						</view>
					</view>
					<view class="loading-more">
						<text v-if="tabItem.list.length" :class="{'loading-more-text': tabItem.loading_class}">{{ tabItem.loading_text }}</text>
						<lf-nocontent v-else class="lf-m-t-50"></lf-nocontent>
					</view>
				</scroll-view>
			</swiper-item>
		</swiper>
	</view>
</template>

<script>
	export default {
		data(){
			let _public = {
				loading_class: true,
				loading_text: '正在加载中...',
				page: 1,
				isPage: true,
				isRefresher: false
			};
			return {
				current: 0,
				tab_list: [{
					name: '全部',
					list: [],
					..._public
				},{
					name: '未发单',
					list: [],
					..._public
				},{
					name: '待接单',
					list: [],
					..._public
				},{
					name: '备货中',
					list: [],
					..._public
				},{
					name: '已发货',
					list: [],
					..._public
				},{
					name: '已入库',
					list: [],
					..._public
				}],
				page_size: 10,
				windowHeight: 0
			}
		},
		computed: {
			stateClass(){
				return function(val){
					let class_name = {
						'待发单': 'quoted-price',
						'待审核': 'quoted-price',
						'待接单': 'quoted-price',
						'备货中': 'wait',
						'已发货': 'wait',
						'已收货': 'passed',
						'已入库': 'passed',
						'已退单': 'refuse',
						'已撤销': 'refuse'
					}
					return class_name[val];
				}
			}
		},
		onLoad(){
			this.windowHeight = uni.getSystemInfoSync().windowHeight;
			this.getData();
		},
		methods: {
			// 获取数据
			getData(options){
				let item = this.tab_list[this.current];
				// let tabType = 0
				// if(this.current == 2) {
				// 	tabType = 3
				// }else if(this.current == 3){
				// 	tabType = 4
				// }else if(this.current == 4){
				// 	tabType = 5
				// }else if(this.current == 5){
				// 	tabType = 7
				// }else {
				// 	tabType = this.current
				// }
				this.$http(this.API.API_CANTEEN_PURCHASEORDERLIST, {
					page: item.page,
					page_size: this.page_size,
					state: this.current || ''
				}).then(res => {
					console.log("getData", res);
					let list = res.data.list || {};
					let isPage = this.$isRight(list.next_page_url);
					item.isPage = isPage;
					if(!isPage){
						item.loading_class = false;
						item.loading_text = '已加载全部数据~';
					}
					if(options && options.refresh){
						item.isRefresher = false;
					}
					if(item.page == 1){
						item.list = list.data;
					}else{
						item.list.push(...list.data);
					}
				}).catch(err => {
					if(options && options.refresh){
						item.isRefresher = false;
					}
				})
			},
			// 切换tabs
			tabsChange(current){
				this.current = current;
				if(this.tab_list[this.current].list.length <= 0){
					this.getData();
				}
			},
			// 切换swiper
			swiperChange(event){
				this.current = event.detail.current;
				if(event.detail.source == '') return; // 如果是被动出发，没有事件类型则不做处理
				if(this.tab_list[this.current].list.length <= 0){
					this.getData();
				}
			},
			// 页面滚动到底部，触发分页
			scrolltolower(){
				let item = this.tab_list[this.current];
				if(item.isPage){
					item.page++;
					this.getData();
				}
			},
			// 下拉刷新
			onRefresherrefresh(){
				this.$u.throttle(() => {
					let item = this.tab_list[this.current];
					item.isRefresher = true;
					item.page = 1;
					item.isPage = true;
					item.loading_class = true;
					item.loading_text = '正在加载中...';
					item.list = [];
					this.getData({refresh: true});
				}, 200);
			}
		}
	}
</script>

<style>
	page{
		background-color: #f6f6f6;
	}
</style>
<style lang="scss" scoped="scoped">
	.card{
		width: 100%;
		height: max-content;
		background-color: #FFFFFF;
		border-radius: 20rpx;
		padding: 0 20rpx;
		box-sizing: border-box;
		margin-bottom: 30rpx;
		.item{
			padding: 20rpx 0;
			box-sizing: border-box;
			width: 100%;
			// border-bottom: 1rpx solid #E5E5E5;
			font-size: 28rpx;
			&:last-child{
				border-bottom: none;
			}
		}
		// 已报价，等待审核
		.quoted-price{
			color: #777777;
		}
		// 等待报价
		.wait{
			color: #1833F2;
		}
		// 已通过审核
		.passed{
			color: #0BCE5F;
		}
		// 报价被拒绝
		.refuse{
			color: #FF0000;
		}
	}
</style>
