<template>
	<view>
		<lf-nav title="积分" :showIcon="true" :spreadOut="false" bgColor="transparent" titleColor="#fff"></lf-nav>
		<view class="head">
			<view class="bg-left"></view>
			<view class="bg-right"></view>
			<view class="head-content">
				<view>
					<text class="lf-iconfont icon-jifen lf-font-50"></text>
				</view>
				<view class="point">{{point_data.point}}</view>
				<view class="head-menu">
					<view @click="$url('/pages/point/shoppingMall/shoppingMall')">
						<text class="lf-m-r-10">兑换礼品</text>
						<text class="lf-iconfont icon-xiangyou lf-font-20"></text>
					</view>
					<view @click="$url('/pages/point/rule/rule')">
						<text class="lf-m-r-10">积分规则</text>
						<text class="lf-iconfont icon-xiangyou lf-font-20"></text>
					</view>
				</view>
			</view>
		</view>
		<view class="main">
			<view class="lf-row-between lf-m-b-30">
				<view class="lf-font-32 lf-color-black lf-font-bold">积分变动明细</view>
				<picker mode='date' :value="date" @change="dateChange">
					<view style="width: 440rpx; text-align: right;">
						<text>{{ date || nowDate }}</text>
						<text class="lf-iconfont icon-xiangyou lf-font-24 lf-m-l-10"></text>
					</view>
				</picker>
			</view>
			<scroll-view :style="{height: autoHeight}" :scroll-y="true" :refresher-enabled="true" :refresher-triggered="isRefresher"
				@scrolltolower="onScrolltolower" @refresherrefresh="onRefresherrefresh">
					<view class="item" v-for="(item, index) in list" :key="index">
						<view class="lf-row-between">
							<text class="lf-font-36 lf-color-black lf-font-bold" :class="{'lf-color-price': item.ifNegative}">{{ item.value }}</text>
							<text class="lf-font-24 lf-color-777">{{item.created_at}}</text>
						</view>
						<view class="lf-m-t-20">
							<text class="lf-font-24 lf-color-555">{{item.note}}</text>
						</view>
					</view>
					<!-- 空数据的情况 -->
					<view class="loading-more">
						<text v-if="list.length != 0"
							:class="{'loading-more-text': loadingClass}">{{ loadingText }}</text>
						<lf-nocontent src="/static/images/empty.png" v-else></lf-nocontent>
					</view>
			</scroll-view>
		</view>
	</view>
</template>

<script>
	export default {
		data(){
			return {
				date: '',
				nowDate: '',
				point_data: '',
				list: [],
				page: 1,
				isPage: true,
				loadingClass: true,
				loadingText: '正在加载中',
				scrollH: 0,
				nav_height: 0,
				isRefresher: true,
				pageSize: 10
			}
		},
		computed: {
			autoHeight(){
				return `calc(${this.scrollH}px - ${this.nav_height}px - 660rpx)`;
			}
		},
		onLoad(){
			let info = uni.getSystemInfoSync();
			this.scrollH = info.screenHeight;
			var date1 = new Date();
			var date2 = new Date(date1);
			date2.setDate(date1.getDate());
			this.nowDate = this.$shared.recordTime(date2, '-', 'date')
			this.getPointNum();
			this.getPointList();
		},
		methods: {
			dateChange(event){
				this.date = event.detail.value;
				this.getPointList();
			},
			getPointNum(){
				this.$http.get({
					api: 'api/users/point',
					header: {
					    Authorization: this.$cookieStorage.get('user_token')
					}
				}).then(res => {
					this.point_data = res.data.data
					console.log(this.point_data)
				})
			},
			// 页面触底，加载下一页
			onScrolltolower(){
				if(this.isPage){
					this.page = this.page + 1;
					this.getPointList();
				}
			},
			// 下拉刷新处理
			refreshFn(options){
				this.page = 1;
				this.isPage = true;
				this.loadingClass = true;
				this.list = []
				this.loadingText = '正在加载中';
				this.getPointList(options); 
			},
			// scroll-view 下拉刷新
			onRefresherrefresh(){
				this.isRefresher = true;
				this.refreshFn({type: 'scrollRefresh'});
			},
			getPointList(options = {}){
				this.$http.get({
					api: 'api/users/point/list',
					data: {
						day: this.date || this.nowDate
					},
					header: {
					    Authorization: this.$cookieStorage.get('user_token')
					}
				}).then(res => {
					console.log("----", res);
					let isPage = this.page < res.data.meta.pagination.total_pages?true:false;
					this.isPage = isPage;
					if(!isPage) {
						this.loadingClass = false;
						this.loadingText = '没有更多数据啦~';
					}
					if(options.type == 'pageRefresh') {
						uni.stopPullDownRefresh();
					}else if(options.type == 'scrollRefresh') {
						this.isRefresher = false;
					}
					if(this.page == 1) {
						let list = res.data.data;
						list.forEach((item,index) => {
							if(item.value.indexOf('-') != -1) {
								this.$set(item,'ifNegative',true)
							}else {
								this.$set(item,'ifNegative',false)
							}
						})
						this.list = list;
					}else {
						let list = res.data.data;
						list.forEach((item,index) => {
							if(item.value.indexOf('-') != -1) {
								this.$set(item,'ifNegative',true)
							}else {
								this.$set(item,'ifNegative',false)
							}
						})
						this.list.push(...list);
					}
					
				})
			}
		}
	}
</script>

<style>
	page{
		overflow-x: hidden;
	}
</style>
<style lang="scss" scoped="scoped">
	.head{
		width: 750rpx;
		height: 512rpx;
		background: linear-gradient(90deg, #22A2A0 0%, #187B7A 100%);
		position: relative;
		overflow: hidden;
		display: flex;
		align-items: flex-end;
		box-sizing: border-box;
		padding: 60rpx 32rpx;
		color: #FFFFFF;
		.bg-left{
			position: absolute;
			width: 196rpx;
			height: 196rpx;
			border-radius: 50%;
			background-color: rgba(255,255,255,0.04);
			left: -92rpx;
			bottom: 60rpx;
		}
		.bg-right{
			position: absolute;
			width: 520rpx;
			height: 520rpx;
			border-radius: 50%;
			background-color: rgba(255,255,255,0.04);
			right: -168rpx;
			top: -122rpx;
		}
		.head-content{
			width: 100%;
			display: flex;
			flex-direction: column;
			justify-content: center;
			align-items: center;
			&>view{
				width: 100%;
				text-align: center;
			}
			.head-menu{
				display: flex;
				justify-content: space-between;
				padding: 0 78rpx;
				font-size: 24rpx;
				margin-top: 50rpx;
			}
			.point{
				font-size: 72rpx;
				letter-spacing: 2rpx;
				font-weight: bold;
				word-break: break-all;
				line-height: 1;
				margin-top: 10rpx;
			}
		}
	}
	
	.main{
		padding: 30rpx 32rpx;
		width: 750rpx;
		height: max-content;
		box-sizing: border-box;
		.item{
			width: 686rpx;
			height: max-content;
			background: #F4F8F8;
			border-radius: 10rpx;
			margin-bottom: 26rpx;
			padding: 30rpx;
			box-sizing: border-box;
			line-height: 1;
		}
	}
</style>
