//
//  DZLuggageGuardViewController.swift
//  DianZiCheng
//
//  Created by jackyshan on 2018/3/10.
//  Copyright © 2018年 jackyshan. All rights reserved.
//

import UIKit

class DZLuggageGuardViewController: DZBaseViewController {

    // MARK: - 1、属性

    @IBOutlet weak var sensitivitySwitchView: DZSwitchView!
    @IBOutlet weak var alarmSwitchView: DZSwitchView!
    @IBOutlet weak var searchSwitchView: DZBtnSwitchView!
    @IBOutlet weak var btnAlarmSwitchView: DZBtnSwitchView!
    @IBOutlet weak var distanceDescLb: UILabel!
    @IBOutlet weak var distanceDescImgV: UIImageView!

    var model: DZSettingModel? = DZSettingModel.query(DZSettingModel.self).last

    private var timer: Timer?

    private var sound: GciSound?

    private var isSearch: Bool = false

    // MARK: - 2、生命周期
    init() {
        super.init(nibName: "DZLuggageGuardViewController", bundle: nil)
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override func viewDidLoad() {
        super.viewDidLoad()

        initUI()
        initLinstener()
        initData()
    }

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)

        model = DZSettingModel.query(DZSettingModel.self).last
        updateModel()

    }

    override func viewDidDisappear(_ animated: Bool) {
        super.viewDidDisappear(animated)

        timer?.invalidate()
        timer = nil
    }

    // MARK: 初始化ui
    func initUI() {
        showWriteNavController()
        showLeftButton()
        self.view.backgroundColor = AppConfig.XXT_LightGray
        self.localString = "Luggage Guard"
    }

    // MARK: 初始化linstener
    func initLinstener() {
        timer = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(timerAction), userInfo: nil, repeats: true)

        if sound == nil {
            let path = Bundle.main.path(forResource: "tixing", ofType: "wav")
            self.sound = GciSound(FilePath: path!)
        }

        sensitivitySwitchView.clickBlock = { [weak self] objStr in
            let unit1 = DZAlertListModel.init(title: "LOW", idx: 0, isSelected: objStr == "LOW")
            let unit2 = DZAlertListModel.init(title: "NORMAL", idx: 1, isSelected: objStr == "NORMAL")
            let unit3 = DZAlertListModel.init(title: "HIGH", idx: 2, isSelected: objStr == "HIGH")
            let alertListView = DZAlertListView.view()
            alertListView.updateModels([unit1, unit2, unit3])
            alertListView.show()
            alertListView.resultBlock = { [weak self] obj in
                guard let wself = self else {return}
                DZSettingModel.update {
                    wself.model?.antiLostSensitivity = obj.idx
                    wself.updateModel()
                }
            }
        }

        alarmSwitchView.clickBlock = { [weak self] objStr in
            let unit1 = DZAlertListModel.init(title: "Vibrate Only", idx: 0, isSelected: objStr == "Vibrate Only")
            let unit2 = DZAlertListModel.init(title: "Alarm Only", idx: 1, isSelected: objStr == "Alarm Only")
            let unit3 = DZAlertListModel.init(title: "Vibrate and Alarm", idx: 2, isSelected: objStr == "Vibrate and Alarm")
            let alertListView = DZAlertListView.view()
            alertListView.updateModels([unit1, unit2, unit3])
            alertListView.show()
            alertListView.resultBlock = { [weak self] obj in
                guard let wself = self else {return}
                DZSettingModel.update {
                    wself.model?.antiLostAlertType = obj.idx
                    wself.updateModel()
                }
            }
        }

        btnAlarmSwitchView.clickBlock = { [weak self] isOn in
            guard let wself = self else {return}

            if let obj = wself.model {
                DZManageBLE.handleDeviceSend(obj)
            }

            DZSettingModel.update {
                wself.model?.antiLostAlert = isOn
                wself.updateModel()
            }
        }

        searchSwitchView.clickBlock = { [weak self] isOn in
            self?.isSearch = isOn
        }

        BLEScanner.sharedInstance.bleDidReadRSSI = { [weak self] rssi in
            Log.i(rssi)

            self?.rssiUpdate(rssi.int32Value)
        }
    }

    // MARK: 初始化data
    func initData() {
        distanceDescLb.text = "..."
    }

    // MARK: 设置frame
    override func didSystemAutoLayoutComplete() {
    }

    // MARK: - 3、代理

    // MARK: - 4、业务
    func updateModel() {
        sensitivitySwitchView.updateTitle(model?.antiLostSensitivity == 0 ? "LOW" : model?.antiLostSensitivity == 1 ? "NORMAL" : "HIGH")
        alarmSwitchView.updateTitle(model?.antiLostAlertType == 0 ? "Vibrate Only" : model?.antiLostAlertType == 1 ? "Alarm Only" : "Vibrate and Alarm")
        btnAlarmSwitchView.updateOn(model?.antiLostAlert == true)
    }

    func timerAction() {
        guard let peripheral = BLEScanner.sharedInstance.bleConnectedDevice?.peripheral else {return}

        peripheral.readRSSI()

        Log.i("读取rssi")
    }

    /**
     计算公式：
     d = 10^((abs(RSSI) - A) / (10 * n))
     其中：
     d - 计算所得距离
     RSSI - 接收信号强度（负值）
     A - 发射端和接收端相隔1米时的信号强度
     n - 环境衰减因子
     */
    //当前读取了多少次rssi
    private var readRssiCount: Int32 = 0
    //读取周期内的rssi总和
    private var rssiTotal: Int32 = 0
    //读取几次为一个周期
    private var readPeriod: Int32 = 15
    private var rssiA: Int32 = 0
    private var newRssi: Int32 = 0
    private var lastRssi: Int32 = 0
    func calcDistByRSSI(rssi: Int32) -> Double? {
        //累加
        readRssiCount += 1
        rssiTotal += rssi
        if readRssiCount % readPeriod != 0 {
            //没有到一个周期不处理
            return nil
        }
        else {
            //累计够了次数，则计算平均rssi，并清零rssiTotal
            newRssi = rssiTotal / readPeriod
            rssiTotal = 0
            //记录第一次统计的rssi，设置为A值，用于计算距离
            if readRssiCount < 19 {
                rssiA = abs(newRssi)
                Log.i("RSSI_A:" + String(rssiA))
            }
        }
        let iRssi: Int32 = abs(newRssi)
        let power: Double = Double(iRssi-rssiA)/(10*1.7)
        return pow(10, power)
    }

    func rssiUpdate(_ rssi: Int32) {
        if isSearch == false && model?.antiLostAlert == false {
            readRssiCount = 0
            rssiTotal = 0
        }

        guard let distance = calcDistByRSSI(rssi: rssi) else {return}

        Log.i("rssi: " + String(rssi) + "; distance: " + String(distance) + "m")

        //如果开启了距离搜索
        if isSearch == true {
            //两次变化比较的值大于5才会比较有意义
            if abs(abs(newRssi) - abs(lastRssi)) > 5 {
                distanceDescImgV.image = abs(newRssi) > abs(lastRssi) ? #imageLiteral(resourceName: "icon_yl") : #imageLiteral(resourceName: "icon_kj")
                //记录新值用于下次比较
                lastRssi = newRssi
            }
        }

        //开启了防丢失
        if model?.antiLostAlert == true {
            //判断距离，做出警告
            let lostAlertSensity = model?.antiLostSensitivity
            let alertDistance: Double = lostAlertSensity == 0 ? 40 : lostAlertSensity == 1 ? 30 : 20
            if distance > alertDistance {
                doLostRemind()
            }
        }
    }

    var lostAlertLock = false
    func doLostRemind() {
        //正在弹出, 不显示第二次
        guard lostAlertLock == false else {return}

        guard let alertType = model?.antiLostAlertType else {return}

        if alertType != 0 {
            DZManageBLE.writeToDeviceAlertLong(true)//设备蜂鸣器触发
        }

        switch alertType {
        case 0:
            self.sound?.playVibrateAndCompletionAction()
            break
        case 1:
            self.sound?.playAlertAndCompletionAction()
            break
        case 2:
            self.sound?.playAlterVibrateAndCompletionAction()
            break
        default:
            break
        }

        let alertView = DZAntiLostAlertView.view()
        alertView.dismissBlock = {
            self.lostAlertLock = false
            self.sound?.stopPlay()
        }
        alertView.show()
        lostAlertLock = true
    }

    override func backBtnAction() {
        if let vcs = self.navigationController?.viewControllers {
            for vc in vcs {
                if vc is DZWeighingViewController {
                    self.navigationController?.popToViewController(vc, animated: true)
                    break
                }
            }
        }
    }

    // MARK: - 5、网络

    // MARK: - 6、其他
    deinit {

    }

}