<template>
	<view class="page">
		<u-navbar title="附近门店" :border-bottom="false" :background="bgc" title-color='#3D3D3D' back-icon-color="#3D3D3D"
			title-size='44' height='44'></u-navbar>
		<view class="dtxs">
			<map class='map' id="map" :latitude="latitude" :longitude="longitude" @markertap="handleMarkerClick"
				:show-location="true" :markers="covers" :scale="mapScale" @regionchange="regionchange" />
			<image class="picimg" v-if="iconflag"
				src="https://api.ccttiot.com/smartmeter/img/static/uEAmNMMt65U10qwijrsJ" mode=""></image>
		</view>
		<view class="listbox">
			<view class="moshi">
				<!-- <image src="https://api.ccttiot.com/smartmeter/img/static/uThUUsa3Zs1tMF9Bpdl9" mode="" 
					@click="btndt(1)" class="img"></image> -->
				<image @click="onControltap"
					style="width: 76rpx;height: 76rpx;position: absolute;right: 50rpx;top:25rpx"
					src="https://api.ccttiot.com/smartmeter/img/static/uOS9p7Sy1K9WpVQgD3b9" mode=""></image>
			</view>
			<view class="list" v-for="(item,index) in gxlist" :key="index">
				<view class="pic" @click="btndts(item)">
					<image :src="item.picture" mode=""></image>
				</view>
				<view class="cen" @click="btndts(item)">
					<view class="cena" style="font-weight: 600;">
						{{item.name}}
					</view>
					<view class="cenb">
						<image src="https://api.ccttiot.com/smartmeter/img/static/uHK2aJHvzEm3nbOPwpdr" mode=""></image>
						  {{item.address}}
					</view>
					<view class="cenc">
						经营时间：{{item.businessTimeStart}}-{{item.businessTimeEnd}}<text class="bu">可使用：{{item.deviceCount}}</text>
					</view>
				</view>
				<view class="right">
					<image src="https://api.ccttiot.com/smartmeter/img/static/uraUDWkEx5OvJB29kMnS" mode="" @click="mapFun(item)"></image>
					<text>{{String(item.distance).split('.')[0]}}m</text>
				</view>
			</view>
			<view class="" v-if="gxlist.length == 0"
				style="width: 100%;height: 200rpx;margin: auto;margin-top: 230rpx;text-align: center;">
				<image style="width: 200rpx;height: 200rpx;"
					src="https://api.ccttiot.com/smartmeter/img/static/uZFUpcz0YZZ4f4RjvGg2" mode=""></image>
				<view class="" style="font-size: 28rpx;color: #808080;margin-top: 30rpx;">该区域暂无店铺...</view>
			</view>
		</view>

	</view>
</template>

<script>
	export default {
		data() {
			return {
				latitude: '',
				longitude: '',
				covers: [],
				index: 1,
				isMch: false,
				gxlist: [],
				bgc: {
					background: 'linear-gradient(to right, #FFEFEF 20%, #D9F6FF 100%)'
				},
				mapScale: 15,
				mapContext: null,
				mapScaleInterval: null,
				listmap: [],
				iconflag: false
			}
		},
		onLoad() {

		},
		onShow() {
			this.getshanghu()
		},
		onReady() {
			this.mapContext = uni.createMapContext('map', this)
			this.mapScaleInterval = setInterval(this.updateMarkers, 1000)
		},
		// 分享到好友（会话）
		onShareAppMessage: function() {
			return {
				title: '创亿康',
				path: '/pages/index/index'
			}
		},

		// 分享到朋友圈  
		onShareTimeline: function() {
			return {
				title: '创亿康',
				query: '',
				path: '/pages/index/index'
			}
		},
		beforeDestroy() {
			// 在组件卸载前清除定时器  
			if (this.mapScaleInterval) {
				clearInterval(this.mapScaleInterval)
				this.mapScaleInterval = null
			}
		},
		methods: {
			// 点击地图查询点击地方的店铺
			regionchange(e) {
				if (e.type == 'end') {
					// this.gxlist = []
					this.jinweidu = e.detail.centerLocation.longitude + ',' + e.detail.centerLocation.latitude
					this.$u.get("/app/store/listNearBy?center=" + this.jinweidu + '&radius=' + 5000).then(
						res => {
							if (res.code == 200) {
								this.gxlist = res.data
								this.covers = []
								this.listmap = res.data
								res.data.forEach(item => {
									const distance = this.getDistance(this.latitude, this.longitude, item.lat, item.lng)
									// 将距离添加到店铺对象中  
									item.distance = distance
									// if (item.deviceCount !== null && item.deviceCount > 0) {
									const shopCover = {
										id: parseFloat(item.storeId),
										latitude: item.lat,
										longitude: item.lng,
										width: 25,
										height: 30,
										iconPath: 'https://api.ccttiot.com/smartmeter/img/static/u0yXGqCqoDjuK4QPJHZY',
										distance:distance,
										// iconPath:item.picture
										label: {
											content: item.name,
											anchorX: this.calculateAnchorX(item.name),
											fontWeight: 700,
											color: '#8883F0',
											borderColor: '#fff',
											borderRadius: 5,
											bgColor: '#fff'
										}
									}
									this.covers.push(shopCover)
									// }
								})
							}
						})
					this.iconflag = false
				} else {
					this.iconflag = true
				}
			},
			updateMarkers() {
				this.mapContext.getScale({
					success: (res) => {
						this.covers = [] // 清空之前的覆盖物  
						if (res.scale <= 14) {
							this.addMarkersWithoutLabels()
						} else {
							this.addMarkersWithLabels()
						}
					},
					fail: (error) => {
						console.error('获取地图缩放级别失败：', error)
						// 额外的错误处理逻辑...  
					},
				});
			},
			addMarkersWithoutLabels() {
				this.listmap.forEach((item) => {
					// if (item.deviceCount !== null && item.deviceCount > 0) {
					const shopCover = {
						id: parseFloat(item.storeId),
						latitude: item.lat,
						longitude: item.lng,
						width: 25,
						height: 30,
						iconPath: 'https://api.ccttiot.com/smartmeter/img/static/u0yXGqCqoDjuK4QPJHZY',
						borderRadius: 5,
						bgColor: '#fff'
					}
					this.covers.push(shopCover)
					// }

				})
			},
			addMarkersWithLabels() {
				this.listmap.forEach((item) => {
					// if (item.deviceCount !== null && item.deviceCount > 0) {
					const shopCover = {
						id: parseFloat(item.storeId),
						latitude: item.lat,
						longitude: item.lng,
						width: 25,
						height: 30,
						iconPath: 'https://api.ccttiot.com/smartmeter/img/static/u0yXGqCqoDjuK4QPJHZY',
						label: {
							content: item.name,
							anchorX: this.calculateAnchorX(item.name),
							fontWeight: 700,
							color: '#8883F0',
							textShadow: '2px 2px 0px white, -2px -2px 0px white, 2px -2px 0px white, -2px 2px 0px white',
							borderRadius: 5,
							bgColor: '#fff'
						}
					}
					this.covers.push(shopCover)
					// }

				})
			},
			calculateAnchorX(name) {
				let chineseLength = 0
				let englishLength = 0
				for (let i = 0; i < name.length; i++) {
					const charCode = name.charCodeAt(i)
					// 判断是否为中文字符（这里简化了判断，只考虑了基本的中文字符范围）  
					if (charCode >= 0x4e00 && charCode <= 0x9fa5) {
						chineseLength++
					} else if (/[a-zA-Z]/.test(name[i])) { // 判断是否为英文字符  
						englishLength = englishLength + 0.3 // 英文长度加1，但视为两个中文字符长度  
						// console.log(englishLength)
					}
				}
				const totalLength = chineseLength + englishLength * 2 // 总长度（以中文字符为单位）  
				return -totalLength * 6.5 // 假设每个中文字符对应的 anchorX 偏移是 -6.5
			},

			onControltap(control) {
				this.setMapScale()
			},
			// 地图回正
			async setMapScale(e, val) {
				let mapContext = uni.createMapContext('map', this);
				let setScale = () => {
					return new Promise((resolve, reject) => {
						mapContext.getScale({
							success: r => {
								this.mapScale = 15
								resolve()
							}
						})
					})
				};
				await setScale();
				mapContext.moveToLocation({
					success: (res) => {
						const timer = setTimeout(() => {
							this.mapScale = 15
							clearTimeout(timer)
						}, 500)
					},
				})
			},

			// 跳转导航
			mapFun(item) {
				uni.openLocation({
					latitude: item.lat,
					longitude: item.lng,
					name: item.county,
					address: item.address
				})
			},
			getshanghu() {
				this.$u.get("/app/user/userInfo").then((res) => {
					if (res.code == 200) {
						this.isMch = res.data.isMch
					}
				})
			},
			getMyLocation() {
				uni.getLocation({
					type: 'wgs84',
					success: (res) => {
						this.jinweidu = res.longitude + ',' + res.latitude
						this.latitude = Number(res.latitude.toFixed(5)) - 0.005
						this.longitude = Number(res.longitude.toFixed(5)) + 0.005
						this.setMapScale()
						// 请求附近的店铺    
						this.$u.get("/app/store/listNearBy?center=" + this.jinweidu + '&radius=' + 5000).then(
							response => {
								if (response.code == 200) {
									this.listmap = response.data
									let gxlist = response.data
									gxlist.forEach(item => {
										// if (item.deviceCount !== null && item.deviceCount > 0) {
										// 计算距离  
										const distance = this.getDistance(this.latitude, this
											.longitude, item.lat, item.lng)
										// 将距离添加到店铺对象中  
										item.distance = distance
										// 创建店铺覆盖物对象  
										const shopCover = {
											id: parseFloat(item.storeId),
											latitude: item.lat,
											longitude: item.lng,
											width: 25,
											height: 30,
											iconPath: 'https://api.ccttiot.com/smartmeter/img/static/u0yXGqCqoDjuK4QPJHZY',
											distance: distance, // 可以在这里也添加距离到覆盖物对象中，但通常只需要在店铺对象中  
											label: {
												content: item.name,
												anchorX:this.calculateAnchorX(item.name),
												fontWeight: 700,
												color: '#8883F0',
												textShadow: '2px 2px 0px white, -2px -2px 0px white, 2px -2px 0px white, -2px 2px 0px white',
												borderRadius: 5,
												bgColor: '#fff'
											}
										}
										this.covers.push(shopCover)
										this.gxlist.push(item)
										// }

									})
								}
							}).catch(error => {
							console.error('请求店铺列表失败：', error)
						})
					},
					fail: (err) => {
						console.error('获取位置失败：', err)
					}
				});
			},
			// 计算距离函数
			getDistance(lat1, lon1, lat2, lon2) {
				const R = 6371000 // 地球半径，单位：米  
				const phi1 = lat1 * Math.PI / 180 // 纬度转为弧度  
				const phi2 = lat2 * Math.PI / 180
				const deltaPhi = (lat2 - lat1) * Math.PI / 180
				const deltaLambda = (lon2 - lon1) * Math.PI / 180
				const a = Math.sin(deltaPhi / 2) * Math.sin(deltaPhi / 2) + Math.cos(phi1) * Math.cos(phi2) * Math.sin(
					deltaLambda / 2) * Math.sin(deltaLambda / 2)
				const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a))
				const distance = R * c
				return distance
			},

			handleMarkerClick(event) {
				const markerId = event.markerId
				uni.navigateTo({
					url: '/pages/myorder/index?markerId=' + markerId
				})
			},
			btndts(item) {
				const markerId = item.storeId
				uni.navigateTo({
					url: '/pages/myorder/returned/index?storeId=' + markerId
				})
			},

			btntab(num) {
				this.index = num
			},

			btndt(num) {
				if (num == 1) {
					uni.navigateTo({
						url: '/page_user/homepage'
					})
				} else if (num == 2) {
					// console.log(111);
					uni.switchTab({
						url: '/pages/index/index'
					})
				}
			}
		},
		mounted() {
			this.getMyLocation()
		}
	}
</script>

<style lang="scss">
	/deep/ .u-title {
		padding-bottom: 15rpx;
	}

	/deep/ .u-icon__icon {
		padding-bottom: 15rpx;
	}

	/deep/ .map {
		width: 100%;
		height: 100%;
	}

	page {
		background: linear-gradient(180deg, #D9D8FF 0%, rgba(255, 255, 255, 0) 100%);
		border-radius: 0rpx 0rpx 0rpx 0rpx;
	}

	.page {
		width: 750rpx;
		position: fixed;
		top: 0;
		left: 0;

		.dtxs {
			width: 100%;
			height: 100vh;
			position: fixed;
			top: 0;
			left: 0;
			z-index: -1;
			.picimg {
				width: 120rpx;
				height: 120rpx;
				position: absolute;
				left: 50%;
				transform: translateX(-50%);
				top: 50%;
			}
		}

		.listbox {
			margin-top: 850rpx;
			background: #FFFFFF;
			border-radius: 64rpx 64rpx 0 0;
			box-shadow: 0rpx 10rpx 64rpx 0rpx rgba(0, 0, 0, 0.08);
			padding-left: 32rpx;
			padding-right: 32rpx;
			box-sizing: border-box;
			height: 40vh;
			overflow-y: scroll;
			padding-bottom: 400rpx;

			.moshi {
				position: absolute;
				bottom: 48vh;
				left: 30rpx;
				z-index: 99;
				width: 100%;

				image {
					width: 76rpx;
					height: 96rpx;
				}
			}

			.title {
				border-radius: 64rpx 64rpx 0 0;
				display: flex;
				justify-content: space-between;
				font-weight: 500;
				font-size: 36rpx;
				color: #3D3D3D;
				line-height: 160rpx;
				padding: 0 76rpx;
				width: 100%;
				background-color: #fff;
				position: fixed;
				height: 160rpx;
				top: 40vh;
				left: 0;
				padding-bottom: 20rpx;
			}

			.list {
				display: flex;
				// justify-content: space-between;
				margin-top: 44rpx;
				border-bottom: 1px solid #eee;
				padding-bottom: 16rpx;

				.pic {
					width: 134rpx;
					height: 134rpx;
					background-color: #D9D8FF;
					border-radius: 10rpx;
					margin-right: 20rpx;
					border-radius: 20rpx;

					image {
						width: 100%;
						height: 100%;
						border-radius: 20rpx;
					}
				}

				.cen {
					width: 488rpx;

					.cena {
						font-weight: 700 !important;
						font-size: 28rpx;
						color: #3D3D3D;
						line-height: 38rpx;
					}

					.cenb {
						font-weight: 400;
						font-size: 26rpx;
						color: #3D3D3D;
						line-height: 32rpx;
						margin-top: 14rpx;
						padding-right: 30rpx;
						box-sizing: border-box;

						image {
							display: inline-block;
							width: 22rpx;
							height: 22rpx;
							margin-right: 6rpx;
						}
					}

					.cenc {
						font-weight: 400;
						font-size: 26rpx;
						color: #3D3D3D;
						line-height: 32rpx;
						margin-top: 14rpx;

						text {
							display: inline-block;
							padding: 4rpx 18rpx;
							box-sizing: border-box;
							border-radius: 20rpx;
						}

						.bu {
							margin-left: 32rpx;
							background: #D9D8FF;
							color: #4D48B5;
							font-size: 20rpx;
						}
					}
				}

				.right {
					padding-top: 40rpx;
					text-align: center;

					image {
						width: 48rpx;
						height: 48rpx;
						margin-bottom: 8rpx;
					}

					text {
						display: block;
						font-weight: 400;
						font-size: 20rpx;
						color: #808080;
						line-height: 28rpx;
					}
				}
			}
		}
	}

	.active {
		border-bottom: 10rpx solid #D9D8FF;
		border-radius: 7rpx;
		padding-bottom: 10rpx;
		font-weight: 700;
	}
</style>