<template>
	<view :data-theme="theme">
		<view class="acea-row row-around nav">
			<template v-for="item in navList">
				<view :key="item.type" :class="['acea-row', 'row-middle', type === item.type ? 'on' : '']" >
					<text @click="setType(item.type)">{{ item.name }}</text>
				</view>
			</template>
		</view>
		<view style="height: 106rpx;"></view>
		<view class='coupon-list' v-if="couponsList.length">
			<view class='item acea-row row-center-wrapper' v-for="(item,index) in couponsList" :key="index">
				<view class='money' :class='item.isUse ? "moneyGray" : "main_bg" '>
					<view>￥<text class='num'>{{item.money?Number(item.money):''}}</text></view>
					<view class="pic-num">满{{item.minPrice?Number(item.minPrice):''}}元可用</view>
				</view>
				<view class='text'>
					<view class='condition line2'>
					    <span class='line-title' :class='(item.isUse==true || item.isUse==2)?"gray":"select"' v-if='item.useType===1'>通用</span>
					    <span class='line-title' :class='(item.isUse==true || item.isUse==2)?"gray":"select"' v-else-if='item.useType===3'>品类</span>
					    <span class='line-title' :class='(item.isUse==true || item.isUse==2)?"gray":"select"' v-else>商品</span>
					    <span>{{item.name}}</span>
					</view>
					<view class='data acea-row row-between-wrapper'>
						<view v-if="item.day>0">领取后{{item.day}}天内可用</view>
						<view v-else>{{ item.useStartTimeStr&& item.useEndTimeStr ? item.useStartTimeStr + " - " + item.useEndTimeStr : ""}}</view>
						<view class='bnt gray' v-if="item.isUse==true">已领取</view>
						<view class='bnt main_bg' v-else @click='getCoupon(item.id,index)'>立即领取</view>
					</view>
				</view>
			</view>
		</view>
		<view class='loadingicon acea-row row-center-wrapper'>
		     <text class='loading iconfont icon-jiazai' :hidden='loading==false'></text>{{couponsList.length?loadTitle:''}}
		  </view>
		<view class='noCommodity' v-if="!couponsList.length && isShow && !loading">
			<view class='pictrue'>
				<image src='../../../static/images/noCoupon.png'></image>
			</view>
		</view>
	</view>	
</template>

<script>
	import {
		getCoupons,
		setCouponReceive
	} from '@/api/api.js';
	import {
		toLogin
	} from '@/libs/login.js';
	 import {
	 	mapGetters
	 } from "vuex";
	 let app = getApp();
		export default {
			data() {
				return {
					couponsList:[],
					loading: false,
					loadend: false,
					loadTitle: '加载更多',//提示语
					page: 1,
					limit: 20,
					type: 1,
					isShow: false,
					navList: [{
							type: 1,
							name: '通用券',
							count: 0
						},
						{
							type: 2,
							name: '商品券',
							count: 0
						},
						{
							type: 3,
							name: '品类券',
							count: 0
						},
					],
					count: 0,
					theme:app.globalData.theme,
				};
			},
			computed: mapGetters(['isLogin']),
			watch: {
				isLogin: {
					handler: function(newV, oldV) {
						if (newV) {
							this.getUseCoupons();
						}
					},
					deep: true
				}
			},
			onLoad(){
				if(this.isLogin){
					this.getUseCoupons();
					
				}else{
					toLogin();
				}
			},
			 /**
			   * 页面上拉触底事件的处理函数
			   */
			  onReachBottom: function () {
			    this.getUseCoupons();
			  },
			methods: {
				 getCoupon:function(id,index){
				    let that = this;
				    let list = that.couponsList;
					let ids = [];
					ids.push(id);
				    //领取优惠券
				    setCouponReceive(id).then(function (res) {
				      list[index].isUse = true;
					  that.$set(that,'couponsList',list);
				      that.$util.Tips({ title: '领取成功' });
				    },function(res){
				      return that.$util.Tips({title:res});
				    })
				  },
				   /**
				     * 获取领取优惠券列表
				    */
				    getUseCoupons:function(){
				      let that=this
				      if(that.loadend) return false;
				      if(that.loading) return false;
					  that.loading = true;
				      getCoupons({ page: that.page, limit: that.limit, type: that.type }).then(res=>{
				        let list=res.data.list,loadend=list.length < that.limit;
				        let couponsList = that.$util.SplitArray(list, that.couponsList);
						that.$set(that,'couponsList',couponsList);
						that.loadend = loadend;
						that.loadTitle = loadend ? '我也是有底线的' : '加载更多';
						that.page = that.page + 1;
						that.loading = false;
						that.isShow = true;
				      }).catch(err=>{
						  that.loading = false;
						  that.loadTitle = '加载更多';
				      });
				    },
					setType: function(type) {
						if (this.type !== type) {
							this.type = type;
							this.couponsList = [];
							this.page = 1;
							this.loadend = false;
							this.getUseCoupons();
						}
					}
			}
		}
</script>

<style scoped lang="scss">
	.nav {
		position: fixed;
		top: 0;
		left: 0;
		width: 100%;
		height: 106rpx;
		background-color: #FFFFFF;
		font-size: 30rpx;
		color: #999999;
		z-index: 9;
	}
	
	.nav .acea-row {
		border-top: 5rpx solid transparent;
		border-bottom: 5rpx solid transparent;
		cursor: pointer;
	}
	
	.nav .acea-row.on {
		@include tab_border_bottom(theme);
		@include main_color(theme);
	}
	
	.condition .line-title{
	  width:90rpx;
	  padding: 0 10rpx;
	  box-sizing: border-box;
	  background:#fff;
	  opacity:1;
	  border-radius:20rpx;
	  font-size:20rpx;
	  margin-right: 12rpx;
	}
	.condition .line-title.gray{
		border:1px solid #BBB;
	  color:#bbb;
	  background-color:#F5F5F5;
	}
	.coupon-list .pic-num{
	  color: #FFFFFF;
	  font-size: 24rpx;
	}
	.main_bg{
		@include main_bg_color(theme);
	}
	.select{
		@include main_color(theme);
		@include coupons_border_color(theme);
	}
</style>
