var xBlufi = require('@/components/blufi/xBlufi.js')

/** 设备状态：骑行中 */
var ADMIN_FINAL_STATUS_IN_USE = '3'

export default {
	data() {
		return {
			unlockDeviceId: '',
			unlockSn: '',
			mac: '',
			adminFinalStatus: ADMIN_FINAL_STATUS_IN_USE,
			ver_dataflag: 1,
			deviceid: '',
			devicename: '',
			devicesarr: [],
			findDeviceTimer: null,
			jieliuflag: true,
			jiance: false,
			shibainum: 0,
			lat: null,
			lon: null,
			btProcessVisible: false,
			btProgress: 0,
			btStepMessage: '',
			btErrorMessage: '',
			btErrorType: '',
			btAdapterAvailable: null
		}
	},
	onUnload() {
		this.clearUnlockRuntimeState()
	},
	onHide() {
		if (!this.pendingOfflineAudit) {
			this.clearUnlockRuntimeState()
		}
	},
	methods: {
		initBluetoothStack() {
			xBlufi.initXBlufi(1)
			xBlufi.notifyStartDiscoverBle({ isStart: true })
			xBlufi.listenDeviceMsgEvent(true, this.funListenDeviceMsgEvent)
			this.bindBluetoothAdapterStateChange()
		},
		clearUnlockRuntimeState() {
			const oldDeviceId = this.deviceid
			const oldDeviceName = this.devicename
			this.unbindBluetoothAdapterStateChange()
			try {
				uni.hideLoading()
			} catch (e) {}
			this.btProcessVisible = false
			this.btProgress = 0
			this.btStepMessage = ''
			this.btErrorMessage = ''
			this.btErrorType = ''
			this.shibainum = 0
			this.ver_dataflag = 1
			this.jieliuflag = true
			this.jiance = false
			this.btAdapterAvailable = null
			if (this.findDeviceTimer) {
				clearTimeout(this.findDeviceTimer)
				this.findDeviceTimer = null
			}
			try {
				xBlufi.notifyConnectBle({
					isStart: false,
					deviceId: oldDeviceId,
					name: oldDeviceName
				})
				xBlufi.notifyStartDiscoverBle({ isStart: false })
				xBlufi.listenDeviceMsgEvent(false, this.funListenDeviceMsgEvent)
			} catch (e) {}
			this.deviceid = ''
			this.devicename = ''
			this.devicesarr = []
		},
		bindBluetoothAdapterStateChange() {
			if (!uni.onBluetoothAdapterStateChange) {
				return
			}
			if (uni.offBluetoothAdapterStateChange) {
				try {
					uni.offBluetoothAdapterStateChange(this.handleBluetoothAdapterStateChange)
				} catch (e) {}
			}
			uni.onBluetoothAdapterStateChange(this.handleBluetoothAdapterStateChange)
		},
		unbindBluetoothAdapterStateChange() {
			if (!uni.offBluetoothAdapterStateChange) {
				return
			}
			try {
				uni.offBluetoothAdapterStateChange(this.handleBluetoothAdapterStateChange)
			} catch (e) {}
		},
		handleBluetoothAdapterStateChange(res) {
			const available = !!(res && res.available)
			if (available) {
				this.btAdapterAvailable = true
				return
			}
			const wasAvailable = this.btAdapterAvailable
			this.btAdapterAvailable = false
			this.ver_dataflag = 1
			this.shibainum = 0
			this.deviceid = ''
			this.devicename = ''
			if (this.btProcessVisible) {
				this.showBtStepError('手机蓝牙未开启，请去系统设置打开', 'phone_bluetooth_off')
			}
			if (wasAvailable !== false) {
				this.ver_dataflag = 1
				uni.showToast({
					title: '检测到手机蓝牙已关闭，连接已断开',
					icon: 'none',
					duration: 2000
				})
			}
		},
		resetBtProcessUI() {
			this.btProcessVisible = true
			this.btProgress = 0
			this.btStepMessage = '准备开始蓝牙自检'
			this.btErrorMessage = ''
			this.btErrorType = ''
		},
		setBtProgress(stage) {
			if (stage === 'scan') {
				this.btProgress = 50
				this.btStepMessage = '正在搜索设备...'
			} else if (stage === 'connect') {
				this.btProgress = 80
				this.btStepMessage = '已搜索到设备，正在建立蓝牙连接...'
			} else if (stage === 'send') {
				this.btProgress = 100
				this.btStepMessage = '蓝牙已连接，正在发送命令...'
			}
		},
		showBtStepError(message, type) {
			this.btErrorMessage = message
			this.btErrorType = type || ''
			this.btStepMessage = '蓝牙自检未通过'
			this.ver_dataflag = 1
			this.shibainum = 0
			this.jieliuflag = true
		},
		openWechatBluetoothAuthSetting() {
			uni.openSetting({
				success: () => {},
				fail: () => {
					uni.showToast({
						title: '请在微信设置中开启蓝牙权限',
						icon: 'none',
						duration: 2000
					})
				}
			})
		},
		goPhoneBluetoothSetting() {
			// #ifdef MP-WEIXIN
			if (typeof wx !== 'undefined' && wx.openSystemBluetoothSetting) {
				wx.openSystemBluetoothSetting({
					success: () => {},
					fail: () => {
						uni.showToast({
							title: '无法直接跳转，请手动打开手机蓝牙',
							icon: 'none',
							duration: 2000
						})
					}
				})
				return
			}
			// #endif
			uni.showToast({
				title: '请手动进入系统设置打开蓝牙',
				icon: 'none',
				duration: 2000
			})
		},
		waitForCondition(checker, timeout, interval) {
			timeout = timeout || 6000
			interval = interval || 250
			return new Promise((resolve) => {
				const start = Date.now()
				const timer = setInterval(() => {
					if (checker()) {
						clearInterval(timer)
						resolve(true)
						return
					}
					if (Date.now() - start >= timeout) {
						clearInterval(timer)
						resolve(false)
					}
				}, interval)
			})
		},
		sleep(ms) {
			ms = ms || 300
			return new Promise((resolve) => setTimeout(resolve, ms))
		},
		async connectMatchedDeviceWithRetry(matchedDevice, maxRetry) {
			maxRetry = maxRetry || 3
			for (let attempt = 1; attempt <= maxRetry; attempt++) {
				this.btStepMessage = '已搜索到设备，正在连接...（第' + attempt + '/' + maxRetry + '次）'
				this.ver_dataflag = 2
				try {
					if (this.deviceid) {
						xBlufi.notifyConnectBle({
							isStart: false,
							deviceId: this.deviceid,
							name: this.devicename || matchedDevice.name
						})
						await this.sleep(250)
					}
				} catch (e) {}
				xBlufi.notifyConnectBle({
					isStart: true,
					deviceId: matchedDevice.deviceId,
					name: matchedDevice.name
				})
				this.deviceid = matchedDevice.deviceId
				this.devicename = matchedDevice.name
				const connected = await this.waitForCondition(() => this.ver_dataflag === 3, 12000, 300)
				if (connected) {
					return true
				}
				const recheckConnected = await this.waitForCondition(() => this.ver_dataflag === 3, 2000, 200)
				if (recheckConnected) {
					return true
				}
				if (attempt < maxRetry) {
					await this.sleep(500)
				}
			}
			return false
		},
		safeIotPut(url, data, timeoutMs) {
			timeoutMs = timeoutMs || 12000
			const reqPromise = this.$u.put(url, data).catch(() => ({
				code: 500,
				msg: '网络异常，请稍后重试'
			}))
			const timeoutPromise = new Promise((resolve) => {
				setTimeout(() => {
					resolve({ code: 20003, msg: '请求超时' })
				}, timeoutMs)
			})
			return Promise.race([reqPromise, timeoutPromise])
		},
		_isIotTimeoutLike(res) {
			return !!(res && (res.code == 20001 || res.code == 20002 || res.code == 20003))
		},
		iotRequestTwiceBeforeBle(url, data) {
			return this.safeIotPut(url, data).then((res) => {
				if (res && res.code == 200) {
					return { type: 'success', res: res }
				}
				if (this._isIotTimeoutLike(res)) {
					return this.safeIotPut(url, data).then((res2) => {
						if (res2 && res2.code == 200) {
							return { type: 'success', res: res2 }
						}
						if (this._isIotTimeoutLike(res2)) {
							return { type: 'ble' }
						}
						return { type: 'error', res: res2 }
					})
				}
				return { type: 'error', res: res }
			})
		},
		openBtAdapter() {
			return new Promise((resolve, reject) => {
				uni.openBluetoothAdapter({
					success: () => resolve(true),
					fail: (err) => reject(err || {})
				})
			})
		},
		getBtAuthState() {
			return new Promise((resolve) => {
				uni.getSetting({
					success: (res) => {
						const authSetting = (res && res.authSetting) || {}
						resolve(authSetting['scope.bluetooth'])
					},
					fail: () => resolve(undefined)
				})
			})
		},
		authorizeBt() {
			return new Promise((resolve) => {
				uni.authorize({
					scope: 'scope.bluetooth',
					success: () => resolve(true),
					fail: () => resolve(false)
				})
			})
		},
		async runPreciseBluetoothSelfCheck() {
			this.resetBtProcessUI()
			try {
				await this.openBtAdapter()
			} catch (err) {
				const errMsg = (err && err.errMsg) || ''
				if (errMsg.indexOf('auth deny') > -1 || errMsg.indexOf('authorize no response') > -1) {
					this.showBtStepError('微信蓝牙未授权，请去微信授权', 'wechat_auth_denied')
				} else {
					this.showBtStepError('手机蓝牙未开启，请去系统设置打开', 'phone_bluetooth_off')
				}
				return { ok: false, step: 1 }
			}
			let authState = await this.getBtAuthState()
			if (authState === false) {
				this.showBtStepError('微信蓝牙未授权，请去微信授权', 'wechat_auth_denied')
				return { ok: false, step: 2 }
			}
			if (typeof authState === 'undefined') {
				const authorized = await this.authorizeBt()
				if (!authorized) {
					this.showBtStepError('微信蓝牙未授权，请去微信授权', 'wechat_auth_denied')
					return { ok: false, step: 2 }
				}
			}
			this.setBtProgress('scan')
			xBlufi.notifyStartDiscoverBle({ isStart: true })
			const found = await this.waitForCondition(() => {
				return this.devicesarr.some((device) => {
					const name = (device && device.name) || ''
					const mac = this.mac || ''
					return name && mac && name.slice(-12) === mac.slice(-12)
				})
			}, 8000, 400)
			if (!found) {
				this.showBtStepError('未搜索到目标设备，请检查设备是否开机', 'device_not_found')
				return { ok: false, step: 3 }
			}
			const matchedDevice = this.devicesarr.find((device) => {
				const name = (device && device.name) || ''
				const mac = this.mac || ''
				return name && mac && name.slice(-12) === mac.slice(-12)
			})
			if (!matchedDevice) {
				this.showBtStepError('未搜索到目标设备，请检查设备是否开机', 'device_not_found')
				return { ok: false, step: 3 }
			}
			this.setBtProgress('connect')
			xBlufi.notifyStartDiscoverBle({ isStart: false })
			const connected = await this.connectMatchedDeviceWithRetry(matchedDevice, 3)
			if (!connected) {
				this.showBtStepError('已找到设备，但连接失败，请重试', 'connect_failed')
				return { ok: false, step: 4 }
			}
			this.btStepMessage = '蓝牙已连接，正在准备发送命令...'
			await this.sleep(2000)
			this.setBtProgress('send')
			return { ok: true }
		},
		_buildUnlockPayload(overrides) {
			overrides = overrides || {}
			const macList = this.devicesarr.map((item) => (item.name || '').slice(-12)).filter(Boolean)
			return {
				id: this.unlockDeviceId,
				requiredIot: true,
				lat: this.lat,
				lon: this.lon,
				macList: macList,
				sendIot: overrides.sendIot !== undefined ? overrides.sendIot : true,
				adminFinalStatus: String(this.adminFinalStatus)
			}
		},
		_merchantUnlockBluetoothSequence(onComplete) {
			uni.hideLoading()
			this.runPreciseBluetoothSelfCheck().then((checkRes) => {
				if (!checkRes.ok) {
					if (onComplete) {
						onComplete(false)
					}
					return
				}
				setTimeout(() => {
					xBlufi.notifySendCustomData({ customData: '11opensub5@' })
					this.btProcessVisible = false
					this.jieliuflag = true
				}, 1000)
				const datas = this._buildUnlockPayload({ sendIot: false })
				this.safeIotPut('/bst/device/iot/unlock', datas).then((res) => {
					if (res.code == 200) {
						uni.showToast({ title: '开锁成功', icon: 'success', duration: 1500 })
						const logData = {
							mac: this.mac,
							reason: '代客下单开锁',
							command: '11opensub5@',
							longitude: this.lon,
							latitude: this.lat,
							result: '成功'
						}
						this.$u.post('/app/commandLog/bluetooth', logData).then(() => {})
						if (onComplete) {
							onComplete(true)
						}
					} else {
						uni.showToast({
							title: res.msg || '蓝牙开锁失败',
							icon: 'none',
							duration: 2500
						})
						if (onComplete) {
							onComplete(false)
						}
					}
				})
			}).catch(() => {
				this.showBtStepError('已找到设备，但连接失败，请重试', 'connect_failed')
				if (onComplete) {
					onComplete(false)
				}
			})
		},
		_doAdminIotUnlock(onComplete) {
			const payload = this._buildUnlockPayload()
			this.iotRequestTwiceBeforeBle('/bst/device/iot/unlock', payload).then((out) => {
				if (out.type === 'ble') {
					this._merchantUnlockBluetoothSequence(onComplete)
					return
				}
				if (out.type === 'error') {
					this._merchantUnlockBluetoothSequence(onComplete)
					return
				}
				const res = out.res
				if (res.data && res.data.db == 1 && res.data.iot === false) {
					this._merchantUnlockBluetoothSequence(onComplete)
					return
				}
				uni.hideLoading()
				uni.showToast({ title: '开锁成功', icon: 'success', duration: 1500 })
				if (onComplete) {
					onComplete(true)
				}
			})
		},
		startAdminUnlockAfterPay(options) {
			options = options || {}
			const deviceInfo = options.deviceInfo || this.deviceInfo
			const onComplete = options.onComplete
			const adminFinalStatus = options.adminFinalStatus || ADMIN_FINAL_STATUS_IN_USE

			if (!deviceInfo || (deviceInfo.id == null && !this.deviceId)) {
				uni.showToast({ title: '车辆信息异常，无法开锁', icon: 'none', duration: 2500 })
				if (onComplete) {
					onComplete(false)
				}
				return
			}

			this.unlockDeviceId = deviceInfo.id != null ? deviceInfo.id : this.deviceId
			this.unlockSn = deviceInfo.sn || ''
			this.mac = deviceInfo.mac || ''
			this.adminFinalStatus = adminFinalStatus
			this.initBluetoothStack()

			uni.showLoading({ title: '车辆开锁中...', mask: true })
			uni.getLocation({
				type: 'gcj02',
				isHighAccuracy: true,
				success: (res) => {
					this.lat = res.latitude
					this.lon = res.longitude
					this._doAdminIotUnlock(onComplete)
				},
				fail: () => {
					this.lat = null
					this.lon = null
					this._doAdminIotUnlock(onComplete)
				}
			})
		},
		funListenDeviceMsgEvent(options) {
			switch (options.type) {
				case xBlufi.XBLUFI_TYPE.TYPE_STATUS_CONNECTED:
					if (!options.result) {
						this.ver_dataflag = 1
						this.deviceid = ''
						this.devicename = ''
					}
					break
				case xBlufi.XBLUFI_TYPE.TYPE_GET_DEVICE_LISTS:
					if (options.result) {
						this.devicesarr = options.data
					}
					break
				case xBlufi.XBLUFI_TYPE.TYPE_CONNECTED:
					if (options.result === true) {
						this.ver_dataflag = 3
						this.jiance = false
						xBlufi.notifyInitBleEsp32({ deviceId: this.deviceid })
						this.deviceid = options.data && options.data.deviceId ? options.data.deviceId : this.deviceid
					}
					break
				case xBlufi.XBLUFI_TYPE.TYPE_RECIEVE_CUSTON_DATA:
					this.ver_dataflag = 3
					this.jiance = false
					break
				case xBlufi.XBLUFI_TYPE.TYPE_GET_DEVICE_LISTS_START:
					if (!options.result) {
						this.jiance = true
					}
					break
			}
		}
	}
}