<template>
	<view class="weightPages">
		<view class="content">
			<view class="title" v-if="isConnection == 0">连接中，请稍后</view>
			<view class="title" v-if="isConnection == 1">连接成功，开始测量</view>
			<view class="title" v-if="isConnection == 2" @click="openBluetoothAdapter">连接失败，点击重新连接</view>
			<view class="desc" v-if="status==1">
				<view>大人先称重</view>
				<text>体重稳定后再抱着宝宝称重</text>
			</view>
			<view class="text">{{text}}</view>
			<view class="text" v-if="status==1">{{childWeight}}</view>
			<view class="image">
				<image src="/BLEPages/static/L01.gif" class="image3"></image>
			</view>
			<view class="tips">
				<text>提示：</text>
				<text>1.请确定设备是开机状态</text>
				<text>2.请确定手机蓝牙、位置信息已打开</text>
				<text>3.ios系统需打开设置—>应用—>微信里的蓝牙权限</text>
			</view>
		</view>
		<view class="wrapper" v-if="isHeight">
			<view class="bg"></view>
			<view class="Blue">
				<view class="h4">测量结果提示</view>
				<view class="Blue-box">
					{{status==1?'宝宝的':'您的'}}体重为：<text>{{weight}}{{unit=='jin'?'斤':unit}}</text>
				</view>
				<view class="Blue-box">
					身高为：<input v-model="height" type="digit" placeholder="请输入" style="width: 60%;" />cm
				</view>
				<view class="Blue-btn Blue-close" @click="handleBack(1)">取消</view>
				<view class="Blue-btn" @click="handleGetMeasure">保存</view>
			</view>
		</view>
	</view>
</template>

<script>
	import {
		mapState
	} from "vuex";
	let myTime
	let realTimeA = 0
	let realTimeC = 0
	export default {
		data() {
			return {
				text: "",
				weight: "",
				unit: "kg",
				height: "",
				childWeight: "",
				status: -1, // 0大人1婴儿
				imp: 0,
				macAddr: "",
				deviceId: "",
				serviceId: "",
				Unload: false,
				stopblue: true,
				isHeight: false,
				isConnection: 0, //是否连接成功
			}
		},
		computed: {
			...mapState(["user", "isConnected", "isBluetoothTyle", "appTheme"]),
			info() {
				return this.user
			}
		},
		onUnload: function() {
			let that = this
			if (!that.Unload) {
				that.stopBluetoothDevicesDiscovery() //取消蓝牙搜索
				clearTimeout(myTime);
				that.closeBLEConnection()
				that.closeBluetoothAdapter()
				console.log("测量页返回1")
			}
		},
		onLoad(options) {
			let that = this
			that.text = ""
			that.height = that.info.height
			if (options && options.deviceId) {
				that.deviceId = options.deviceId
				that.openBluetoothAdapter()
			}
			// 导航栏颜色
			uni.setNavigationBarColor({
				frontColor: '#ffffff',
				backgroundColor: this.appTheme,
			})
			uni.onBluetoothAdapterStateChange(function(res) {
				that.$store.commit("changeBluetooth", res.available);
			})
		},
		watch: {
			isConnected: function() {
				let that = this
				if (!that.isConnected) {
					that.handleBack()
					that.isConnection = 2
				}
			},
			isBluetoothTyle: function() {
				let that = this
				if (!that.isBluetoothTyle) {
					that.handleBack()
					that.isConnection = 2
				}
			},
			stopblue: function() {
				let that = this
				if (!that.stopblue) {
					that.isHeight = true
				}
			}
		},
		methods: {
			// 初始化蓝牙
			openBluetoothAdapter() {
				let that = this
				realTimeA = 0
				realTimeC = 0
				that.text = ""
				that.childWeight = ""
				that.stopblue = true
				that.isHeight = false
				uni.openBluetoothAdapter({
					success: e => {
						that.isConnection = 0
						that.startBluetoothDeviceDiscovery()
					},
					fail: e => {
						that.isConnection = 2
						that.$tools.msg("请确定设备是开机状态、手机蓝牙权限已打开！")
					}
				});
			},
			// 开始搜寻附近的蓝牙外围设备
			startBluetoothDeviceDiscovery() {
				let that = this
				uni.startBluetoothDevicesDiscovery({
					allowDuplicatesKey: true,
					services: [
						"F0A0",
					],
					success: res => {
						that.isConnection = 0
						that.onBluetoothDeviceFound();
					},
					fail: res => {
						that.isConnection = 2
						that.$tools.msg("请确定设备是开机状态、手机蓝牙权限已打开！")
					}
				});
			},
			// 监听蓝牙连接状态
			onBLEConnectionStateChange() {
				let that = this
				uni.onBLEConnectionStateChange(function(res) {
					console.log("监听蓝牙连接状态", res.connected)
					if (!res.connected) {
						clearTimeout(myTime);
						that.Unload = true
						realTimeA = 0
						realTimeC = 0
						that.text = ""
						that.childWeight = ""
						that.stopblue = true
						that.isHeight = false
						that.isConnection = 2
						that.stopBluetoothDevicesDiscovery()
						that.closeBLEConnection()
						that.closeBluetoothAdapter()
					}
					that.$store.commit("changeConnected", res.connected);
				})
			},
			/**
			 * 停止搜索蓝牙设备
			 */
			stopBluetoothDevicesDiscovery() {
				uni.stopBluetoothDevicesDiscovery({
					success: e => {
						console.log("停止搜索蓝牙设备", e)
					},
				});
			},
			/**
			 * 发现外围设备
			 */
			onBluetoothDeviceFound() {
				var that = this;

				function PrefixZero(num, n) {
					return (Array(n).join(0) + num).slice(-n);
				}
				uni.onBluetoothDeviceFound(res => {
					res.devices.forEach(device => {
						device.advertisData = device.advertisData ? device.advertisData : ''
						device.advertisServiceUUIDs = device.advertisServiceUUIDs ? device
							.advertisServiceUUIDs : ""

						// 
						if (!device.name && !device.localName) {
							let value = that.$tools.ab2hex(device.advertisData, "")
							let ab2hex = device.deviceId.split(":").join("")
							if (value.indexOf('c0') !== -1 && value.indexOf(ab2hex.toLowerCase()) !== -1) {
								clearTimeout(myTime);
								let buff = device.advertisData.slice(-6)
								device.mac = new Uint8Array(buff) // 保存广播数据中的mac地址，这是由于iOS不直接返回mac地址
								let tempMac = Array.from(device.mac)
								device.macAddr = that.$tools.ab2hex(tempMac, ':').toUpperCase()
								if (device.deviceId.indexOf(that.deviceId) !== -1 || device.macAddr
									.indexOf(that.deviceId) !== -1) {
									that.isConnection = 1
									console.log("value", value)
									let msg = parseInt(value.substring(16, 18), 16).toString(2)
									let weight = parseInt(value.substring(4, 8), 16)
									let type = PrefixZero(msg, 8).substring(7, 8) //0实时,1稳定
									let num = PrefixZero(msg, 8).substring(5, 7) //小数点
									let unit = PrefixZero(msg, 8).substring(3, 5) //单位
									that.status = PrefixZero(msg, 8).substring(2, 3) //设备类型
									let dw = 'kg'
									console.log("value", that.status, weight)
									if (unit == "10") {
										that.unit = "lb"
										dw = 'lb'
									}
									if (unit == "01") {
										that.unit = "jin"
										dw = "斤"
									}
									if (num == "00") {
										weight = parseInt(value.substring(4, 8), 16) / 10
									}
									if (num == "10") {
										if (unit == "10") {
											weight = parseInt(value.substring(4, 8), 16) / 10
										} else {
											weight = parseInt(value.substring(4, 8), 16) / 100
										}
									}
									if (type == 0) {
										if (realTimeA == 0) {
											that.text = "您的实时体重是：" + weight + dw
										} else {
											realTimeC++
											that.childWeight = "宝宝的实时体重是：" + weight + dw
										}

										console.log("实时realTime", realTimeA)
									}
									if (that.status == 1) {
										//抱婴模式
										if (type == 1) {
											realTimeA++
											if (realTimeC == 0) {
												that.text = "您的稳定体重是：" + weight + dw
											} else {
												that.childWeight = "宝宝的稳定体重是：" + weight + dw
												that.macAddr = device.macAddr
												that.deviceId = device.deviceId;
												that.weight = weight
												that.stopblue = false
												that.stopBluetoothDevicesDiscovery()
											}
											console.log("稳定realTime", realTimeA, realTimeC)
										}


									} else {
										// 身高体重模式
										if (type == 1) {
											that.text = "您的稳定体重是：" + weight + dw
											that.macAddr = device.macAddr
											that.deviceId = device.deviceId;
											that.weight = weight
											that.stopblue = false
											that.stopBluetoothDevicesDiscovery()
											console.log("测量完成", that.weight, that.unit)
										}
									}
								}
								return
							}
						}
					})
				});
				that.handleMyTime()
			},
			handleMyTime() {
				var that = this;
				myTime = setTimeout(function() {
					if (!that.macAddr) {
						clearTimeout(myTime);
						that.Unload = true
						that.isConnection = 2
						that.startBluetoothDeviceDiscovery()
						that.closeBLEConnection()
						that.closeBluetoothAdapter()
					}
				}, 30000);
			},
			// 保存测量结果 
			handleGetMeasure() {
				let that = this
				that.$model.getmeasurefunit({
					weight: that.weight + that.unit,
					imp: 0,
					ecode: that.macAddr,
					height: that.height,
					familyid: that.info.familyid,
				}).then(res => {
					that.isHeight = false
					if (res.code == 0) {
						that.$tools.msg("测量成功")
						that.$store.dispatch("getUserInfo", {
							familyid: that.info.familyid,
						})
						that.$store.dispatch("getResult", {
						  birthday: that.info.birthday,
						  familyid: that.info.familyid,
						  height: that.height,
						  sex: that.info.sex,
						});
					} else {
						console.log("测量失败", res.message)
						that.$tools.msg(res.message)
					}
					that.Unload = true
					setTimeout(function() {
						that.closeBLEConnection()
						that.closeBluetoothAdapter()
						uni.switchTab({
							url: "/pages/index/index"
						})
					}, 200)
				})
			},
			handleBack(ind) {
				let that = this
				that.Unload = true
				that.isHeight = false
				clearTimeout(myTime)
				that.stopBluetoothDevicesDiscovery() //取消蓝牙搜索
				that.closeBLEConnection()
				that.closeBluetoothAdapter()
				if (ind == 1) {
					uni.switchTab({
						url: "/pages/index/index"
					})
				}
			},
			/**
			 * 断开蓝牙模块
			 */
			closeBluetoothAdapter() {
				let that = this;
				uni.closeBluetoothAdapter({
					success: res => {
						console.log('蓝牙模块关闭成功');
					}
				})
			},
			/**
			 * 断开蓝牙连接
			 */
			closeBLEConnection() {
				var that = this;
				uni.closeBLEConnection({
					deviceId: that.deviceId,
					success: res => {
						console.log('断开蓝牙连接成功');
					}
				});
			},
		},
	}
</script>

<style scoped lang="scss">
	.image3 {
		width: 200px !important;
		height: 340px !important;
	}

	.desc {
		width: 100%;
		text-align: center;
		font-size: 18px;
		color: $uni-color-error;

		text {
			font-size: 14px;
		}
	}
</style>