<template>
	<view class="content">
		<!--nav bar-->
		<view class="navbar">
			<view class="navbar-fixed">
				<!-- statusHeight 状态栏的高度  蓝色区块-->
				<view class="statusHeight" :style="{ height: statusBarHeight + 'px' }"></view>
				<!-- navcontent tabbar导航栏高度 绿色区块-->
				<view class="navcontent" :style="{ height: navBarHeight + 'px' }">
					<view class="iconfont icon-arrow-left-bold" @click="toback"></view>
					<view class="input-view">
						<input confirm-type="search" v-model="keyword" class="nav-bar-input" type="text"
							placeholder="输入搜索关键词" @confirm="confirm">
					</view>
				</view>
			</view>
			<!-- 占位盒子 它的高度=状态栏高度+导航栏高度-->
			<view class="placeholder" :style="{ height: navBarHeight + statusBarHeight + 'px', background: 'red' }">
			</view>
			<view class="termBox">
				<!-- 	<view class="termOuter">
					<view class="termCol cur">综合排序<text class="iconfont icon-arrowbottom"></text></view>
					<view class="termCol">距离最近<text class="iconfont icon-arrowbottom"></text></view>
					<view class="termCol">优质商户<text class="iconfont icon-arrowbottom"></text></view>
					<view class="termCol">筛选<text class="iconfont icon-filter"></text></view>
				</view> -->
			</view>
			<view class="shopContent">
				<!--为您推荐-->
				<u-empty v-if="dataList.length==0" marginTop="250"></u-empty>
				<view class="introBox hasMenu" v-if="dataList.length>0">
					<block v-for="(item,index) in dataList">
						<view class="intro_column" @tap="gotoDetail" :data-id="item.id">
							<view class="imgOuter">
								<image :src="item.poster"></image>
								<view class="i_intro">{{item.product_type.name}}</view>
							</view>
							<view class="columnInfo">
								<view class="title">{{item.name}}</view>
								<view class="discuss">
									<view class="starBox">
										<image mode="heightFix" src="../../static/icon_detail_star_pre@2x.png">
										</image>
										<image mode="heightFix" src="../../static/icon_detail_star_pre@2x.png">
										</image>
										<image mode="heightFix" src="../../static/icon_detail_star_pre@2x.png">
										</image>
										<image mode="heightFix" src="../../static/icon_detail_star_pre@2x.png">
										</image>
										<image mode="heightFix" src="../../static/icon_detail_star_pre@2x.png">
										</image>
									</view>
								</view>
								<view class="subInfo">{{item.merchant.address}}</view>
								<view class='price'>
									<text class="font_red" v-if="item.price > 0">￥{{item.price}}</text>
									<text class="free" v-else>免费</text>
								</view>
								<view class="menu">
									<text class="hui">惠</text>{{item.merchant.username}}
								</view>
							</view>
						</view>
					</block>
				</view>
			</view>
		</view>
		<!--nav end-->
	</view>
</template>

<script>
	import {
		weixin
	} from '../../../../utils/weixin.js';
	export default {
		data() {
			return {
				statusBarHeight: 20, //状态栏的高度系统默认20px 
				menuBarHeight: 32, //微信胶囊的高度
				navBarHeight: 44, //uniapp 默认的高度是44（这里默认高度也就是H5导航栏的高度） 根据公式计算的高度不是固定值44
				keyword: "",
				dataList: [],
				currentPage: 1,
				product_type_id: 0,
				isLoading: false

			}
		},
		onShareAppMessage() {
			var url = 'packages/packageBuy/pages/shopList/shopList?keyword='+this.keyword+'&product_type_id='+this.product_type_id;
			console.log(url)
			return {
				title: "福利集合",
				path: url
			}
		},
		onShareTimeline() {
			var url = 'packages/packageBuy/pages/shopList/shopList?keyword='+this.keyword+'&product_type_id='+this.product_type_id;
			return {
				title: "福利集合",
				path: url,
			}
		},
		onReachBottom: function(e) {
			if (!this.isLoading) {
				console.log("onReachBottom", this.currentPage + 1)
				this.loadPage(this.currentPage + 1);
			}
		},
		onPullDownRefresh: function(e) {
			console.log("onPullDownRefresh", this.currentPage + 1)
			if (!this.isLoading) {
				this.loadPage(this.currentPage + 1);
			}
		},
		onLoad(options) {
			//获取系统信息 具体信息请转至 https://uniapp.dcloud.io/api/system/info
			let res = uni.getSystemInfoSync();

			console.log('状态栏的高度', res.statusBarHeight);
			this.statusBarHeight = res.statusBarHeight;

			// #ifdef MP-WEIXIN
			//获取胶囊位置信息
			let menuBottonInfo = uni.getMenuButtonBoundingClientRect();
			//微信胶囊的高度
			this.menuBarHeight = menuBottonInfo.height;
			// 胶囊底部 - 状态栏 + 胶囊顶部 - 状态栏 = 导航栏的高度（胶囊距离顶部的距离+胶囊距离底部距离+胶囊自身的高度）
			this.navBarHeight = menuBottonInfo.bottom - res.statusBarHeight + (menuBottonInfo.top - res.statusBarHeight);
			// #endif

			if (options.promotion_id) {
				uni.setStorageSync("base_promotion_id", options.promotion_id)
			}
			if (options.product_type_id) {
				this.product_type_id = options.product_type_id
			}
			if (options.keyword) {
				this.keyword = options.keyword;
			}

			this.loadPage(1);
		},
		onShow() {},
		methods: {
			toback: function() {
				let route = getCurrentPages();
				console.log(route)
				if (route.length > 1) {
					uni.navigateBack({
						delta: 1
					})
				} else {
					uni.switchTab({
						url: "../../../../pages/home/home"
					})
				}
			},
			confirm: function() {
				this.loadPage(1);
			},
			gotoDetail: function(e) {
				var id = e.currentTarget.dataset.id
				uni.navigateTo({
					url: "../shopDetail/shopDetail?id=" + id
				})
			},
			loadPage: function(page) {
				uni.hideKeyboard()
				var that = this;
				that.isLoading = true;
				weixin.request({
					bindThis: that,
					api: '/api/member/get-products',
					customLoading: false,
					data: {
						page: page,
						page_size: 6,
						keyword: that.keyword,
						product_type_id: that.product_type_id,
						sort_name:'sortnumber',
						sort_type:"ASC"
					},
					utilSuccess: function(r) {
						var res = r.data.data;

						that.isLoading = false;
						var hasNoMore = r.data.total < 6 && page > 1;
						console.log("hasNoMore", hasNoMore)
						if (hasNoMore || res.length == 0 && page > 1) {

							uni.stopPullDownRefresh(); // 服务器总条数 < 每页条数, 会将第一页的条数重新返回
							// 已加载到最后一页
							uni.showToast({
								title: '已加载到最后一页',
								icon: 'none'
							});
							return;
						}
						var dataList = that.dataList;

						for (var m of res) {
							if (m.created_at.indexOf('T') > 0)
								m.created_at = m.created_at.split("T")[0] + " " + m.created_at.split("T")[
									1].split(".")[0];


							m.poster = (weixin.isNull(m.poster) ? "../../static/rishang.png" : m
								.poster_url)
						}

						if (page == 1) {
							dataList = res;
						} else {
							dataList.push(...res);
						}

						that.currentPage = page;
						that.dataList = dataList;
					},
					utilFail: function(res) {

						if (page == 1) {

							that.currentPage = page;
							that.orders = [];
						}

						util.alert(res);
					}
				});
			}
		}
	}
</script>
<style>
	page {
		display: flex
	}
</style>
<style lang="scss" scoped>
	.navbar {
		display: flex;
		flex-direction: column;
		flex: 1;
		overflow: hidden;

		.navbar-fixed {
			position: fixed;
			top: 0;
			left: 0;
			z-index: 99;
			width: 100%;
			background-color: #fff;

			.statusHeight {
				background-color: #fff;
			}

			.navcontent {
				background-color: #fff;
				display: flex;
				justify-content: flex-start;
				align-items: center;
				align-content: center;

				.iconfont {
					margin: 0 20rpx;
					font-size: 40rpx;
					color: #333;
				}
			}
		}

		.shopContent {
			box-sizing: border-box;
			height: 100%;
			flex: 1;
			overflow: hidden;
		}

		.scroll-y-item {
			height: 100%;
		}
	}

	.input-view {
		line-height: 64rpx;
		width: 450rpx;
		height: 64rpx;
		background: #EEEEEE;
		border-radius: 32rpx;
		font-size: 28rpx;
		color: #333;
		box-sizing: border-box;
		position: relative;

		.nav-bar-input {
			position: absolute;
			width: 100%;
			height: 100%;
			top: 0;
			left: 0;
			padding: 0 30rpx;
			box-sizing: border-box;
		}
	}

	.introBox {
		width: 710rpx;
		margin: 20rpx auto 0 auto;
		border-radius: 16rpx;
		background: #fff;
		padding: 0 24rpx;
		box-sizing: border-box;
	}

	.introBox .intro_column:last-child {
		border-bottom: none;
	}

	.intro_column {
		display: flex;
		justify-content: flex-start;
		padding: 20rpx 0;
		border-bottom: 2rpx solid #EAEAEA;

		.imgOuter {
			width: 280rpx;
			height: 200rpx;
			position: relative;

			image {
				width: 280rpx;
				height: 200rpx;
				border-radius: 5rpx;
			}

			.i_intro {
				position: absolute;
				top: 0;
				left: 0;
				//width: 68rpx;
				padding: 0rpx 10rpx;
				height: 32rpx;
				background: #FF578A;
				border-radius: 5rpx 0px 18rpx 5rpx;
				font-size: 22rpx;
				font-weight: 400;
				color: #FFFFFF;
				line-height: 32rpx;
				text-align: center;
			}
		}

		.columnInfo {
			width: 360rpx;
			margin-left: 22rpx;

			.discuss {
				margin: 13rpx 0 !important;
			}

			.menu {
				font-size: 24rpx;
				color: #333;
				margin-top: 10rpx;

				.hui {
					margin-right: 8rpx;
					display: inline-block;
					width: 30rpx;
					height: 30rpx;
					background: #FF753E;
					border-radius: 2rpx;
					font-size: 22rpx;
					color: #FFFFFF;
					text-align: center;
					line-height: 30rpx;
				}
			}

			.title {
				width: 100%;
				font-size: 30rpx;
				font-weight: bold;
				color: #333;
				overflow: hidden;
				white-space: nowrap;
				text-overflow: ellipsis;
			}

			.tags text {
				height: 28rpx;
				background: rgba(255, 177, 62, 0.1);
				border-radius: 4rpx;
				line-height: 28rpx;
				font-size: 20rpx;
				padding: 0 10rpx;
				margin-right: 10rpx;
				color: #FF753E;
			}

			.subInfo {
				width: 100%;
				font-size: 24rpx;
				color: #999;
				font-weight: 400;
				overflow: hidden;
				white-space: nowrap;
				text-overflow: ellipsis;
				padding-top: 5rpx;

				.font_red {
					margin-left: 10rpx;
				}
			}

			.price {
				display: flex;
				justify-content: flex-start;
				align-items: center;
				align-content: center;
				margin-top: 8rpx;

				text {
					margin-right: 10rpx;
				}

				.shareMoney {
					height: 28rpx;
					border: 2rpx solid #FF578A;
					border-radius: 4rpx;
					line-height: 28rpx;
					font-size: 20rpx;
					margin-right: 10rpx;
					padding-right: 10rpx;
					color: #FF578A;
					display: flex;
					flex-direction: flex-start;

					text {
						background: #FF578A;
						color: #fff;
						padding: 0 10rpx;
					}
				}

				.free {
					height: 28rpx;
					background: #FF753E;
					border-radius: 4rpx;
					line-height: 28rpx;
					font-size: 20rpx;
					padding: 0 10rpx;
					margin-right: 10rpx;
					color: #fff;
				}
			}

		}
	}

	.termBox {
		width: 750rpx;
		// height: 100rpx;
		background: #fff;

		.termOuter {
			display: flex;
			align-items: center;
			align-content: center;
			justify-content: flex-start;

			.termCol {
				width: 27%;
				text-align: center;
				font-size: 28rpx;
				font-weight: 400;
				color: #333333;
				padding-top: 36rpx;

				.iconfont {
					font-size: 24rpx;
					color: #666666;
					line-height: 28rpx;
					margin-left: 8rpx;
				}

			}

			.termCol.cur {
				color: #FF578A;

				.iconfont {
					color: #FF578A;
				}
			}

			.termCol:last-child {
				width: 19%;
			}

		}
	}

	.discuss {
		display: flex;
		justify-content: flex-start;
		margin: 25rpx 0;
		position: relative;
		align-items: center;
		align-content: center;

		.dis_l {
			font-size: 28rpx;
			color: #333;
			font-weight: 500;
			padding-top: 5rpx;
			margin-right: 32rpx;
		}

		.starBox {
			display: flex;
			justify-content: flex-start;

			image {
				display: block;
				width: 26rpx;
				height: 26rpx;
				margin-right: 8rpx;
			}
		}
	}
</style>
