//
//  StartMotionVC.swift
//  Twear
//
//  Created by yangbin on 2021/12/28.
//

import UIKit
import SnapKit
import SwiftDate
import CoreLocation
import MBProgressHUD
import HCKalmanFilter

class StartMotionVC: UIViewController {
    
    @IBOutlet weak var mapBackView: UIView!
    @IBOutlet weak var countImageView: UIImageView!
    @IBOutlet weak var detailView: UIView!
    
    @IBOutlet weak var typeImageView: UIImageView!
    @IBOutlet weak var stopButton: ProgressButton!
    @IBOutlet weak var mapButton: UIButton!
    
    @IBOutlet weak var startButton: UIButton!
    @IBOutlet weak var pauseButton: UIButton!
    @IBOutlet weak var calorieLabel: UILabel!
    @IBOutlet weak var timeLabel: UILabel!
    
    
    @IBOutlet weak var signalImageView: UIImageView!
    @IBOutlet weak var gpsLabel: UILabel!
    @IBOutlet weak var signalImageView1: UIImageView!
    @IBOutlet weak var gpsView: UIView!
    @IBOutlet weak var motionTypeLabel: UILabel!
    
    @IBOutlet weak var mapTimeLabel: UILabel!
    
    
    @IBOutlet weak var mapDistanceLabel: UILabel!
    @IBOutlet weak var distanceLabel: UILabel!
    @IBOutlet weak var speedLabel: UILabel!
    
    @IBOutlet weak var speedUnitLabel: UILabel!
    @IBOutlet weak var unitLabel: UILabel!
    @IBOutlet weak var unitLabel1: UILabel!
    
    private lazy var traceManager: MATraceManager! = MATraceManager()
    
    let user = UserInfo
    
    private lazy var mapView: MAMapView = MAMapView()
    private var count: Int = 3
    
    private var speedArray: [Float] = []
    var isRecord: Bool = false
    var motionType: TrainType = .running
    var time: Int = 0
    var distance: Float = 0
    var speed: Float = 0
    var calorie: Float = 0
    var startDate = Date()
    
    var coordinateArray: [CLLocationCoordinate2D] = []
    var locationArray: [CLLocation] = []
    var stepCadenceArray: [Int] = []
    var altitudeArray: [Double] = []
    
    
    var resetKalmanFilter: Bool = false
    var hcKalmanFilter: HCKalmanAlgorithm?
    
    private lazy var locationManager: AMapLocationManager = AMapLocationManager()
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        GCDTimer.shared.scheduledDispatchTimer(WithTimerName: "count_down", timeInterval: 1, queue: .main, repeats: true) {[weak self] in
            self?.countDown()
        }
        locationManager.startUpdatingLocation()
        locationManager.startUpdatingHeading()
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        stopButton.progressClosure = { [weak self] in
            self?.stopMotion()
            //            self?.dismiss(animated: true)
        }
        
        var motionTypeText = "户外跑步"
        var typeImageName = "motion_run"
        switch motionType {
        case .run_indoor:
            motionTypeText = "室内跑步"
        case .walking:
            motionTypeText = "步行"
            typeImageName = "motion_walking"
        case .bicycle:
            motionTypeText = "骑行"
            typeImageName = "motion_bicycle"
        case .mountaineering:
            motionTypeText = "爬山"
            typeImageName = "motion_mountaineering"
        default:
            break
        }
        typeImageView.image = UIImage(named: typeImageName)
        motionTypeLabel.text = LocString(motionTypeText)
        
        if user.distanceUnit == 0 {
            speedUnitLabel.text = LocString("公里/分钟")
            unitLabel.text = LocString("公里")
            unitLabel1.text = LocString("公里")
        } else {
            speedUnitLabel.text = LocString("英里/分钟")
            unitLabel.text = LocString("英里")
            unitLabel1.text = LocString("英里")
        }
        
        initMapView()
    }
    
    func initMapView() {
        MAMapView.updatePrivacyShow(.didShow, privacyInfo: .didContain)
        MAMapView.updatePrivacyAgree(.didAgree)
        AMapServices.shared().enableHTTPS = true
        mapView.showsUserLocation = false
        let compassX = mapView.compassOrigin.x
        mapView.compassOrigin = CGPoint(x: compassX-5, y: 120)
        mapView.userTrackingMode = .followWithHeading
        mapView.zoomLevel = 17.5
        mapView.delegate = self
        mapView.mapLanguage = (AppSettings.shared.language == .Chinese) ? 0 : 1
        //        mapView.distanceFilter = 10
        //        mapView.desiredAccuracy = kCLLocationAccuracyBestForNavigation
        mapView.frame = mapBackView.frame
        
        mapBackView.addSubview(mapView)
        mapBackView.sendSubviewToBack(mapView)
        
        mapBackView.isHidden = true
        
        locationManager.delegate = self
        
        locationManager.pausesLocationUpdatesAutomatically = false
        //        locationManager.allowsBackgroundLocationUpdates = true
        if motionType == .run_indoor {
            locationManager.distanceFilter = 12
            
        } else {
            locationManager.distanceFilter = 23
        }
        
       

        locationManager.desiredAccuracy = kCLLocationAccuracyBestForNavigation
        locationManager.allowsBackgroundLocationUpdates = true
        //        locationManager.startUpdatingLocation()
    }
    
    func startMotion() {
        time += 1
        timeLabel.toTimeType3(length: time)
        mapTimeLabel.toTimeType3(length: time)
    }
    
    func stopMotion() {
        isRecord = false
        if distance >= 500 {
            var altitude: Double = 0
            if let minAltitude = locationArray.min(\.altitude)?.altitude, let maxAltitude = locationArray.max(\.altitude)?.altitude {
                altitude = maxAltitude - minAltitude
            }
            var coordinateStr = ""
            for coordinate in coordinateArray {
                coordinateStr += "\(coordinate.latitude),\(coordinate.longitude)|"
            }
            coordinateStr = coordinateStr.substring(toIndex: coordinateStr.count-1)
            var speedStr = ""
            for speed in speedArray {
                speedStr += "\(speed)|"
            }
            speedStr = speedStr.substring(toIndex: speedStr.count-1)
            var stepCadenceStr = ""
            for cadence in stepCadenceArray {
                stepCadenceStr += "\(cadence)|"
            }
            stepCadenceStr = stepCadenceStr.substring(toIndex: stepCadenceStr.count-1)
            var altitudeStr = ""
            for alt in altitudeArray {
                altitudeStr += "\(alt)|"
            }
            altitudeStr = altitudeStr.substring(toIndex: altitudeStr.count-1)
            
            let motion = MotionModel(type: motionType, date: DateInRegion().date - time.seconds, length: time, calorie: calorie, distance: Int(distance), steps: distanceToStep(distance), altitude: altitude, coordinateArray: coordinateStr, speedArray: speedStr, stepCadenceArray: stepCadenceStr, altitudeArray: altitudeStr)
            motion.add()
            MedalModel.update(motion: motion)
            //            MBProgressHUD.showh("..test")
            let vc = UIStoryboard.loadViewControllerIdentifier(storyboardName: "Motion", identifier: "EndMotionVC") as! EndMotionVC
            vc.modalPresentationStyle = .fullScreen
            vc.coordinateArray = coordinateArray
            vc.calorie = calorie
            vc.distance = distance
            vc.length = time
            vc.date = startDate
            vc.speedArray = speedArray
            vc.motionType = motionType
            vc.altitudeArray = altitudeArray
            vc.stepCadenceArray = stepCadenceArray
            vc.altitude = altitude
            self.present(vc, animated: true, completion: nil)
            //            self.dismiss(animated: true, completion: nil)
        } else {
            let view = BottomAlertView(title: LocString("本次运动距离太短，将不保存记录"), sureText: LocString("我知道了"))
            view.clickClosure = {[weak self] index in
                self?.dismiss(animated: true)
            }
            view.show()
        }
    }
    
    @IBAction func continueMotion(_ sender: Any) {
        isRecord = true
        showStopButton(false)
        GCDTimer.shared.scheduledDispatchTimerNotNow(WithTimerName: "StartMotion", timeInterval: 1, queue: .main, repeats: true) { [weak self] in
            self?.startMotion()
        }
    }
    
    @IBAction func pauseMotion(_ sender: Any) {
        isRecord = false
        showStopButton(true)
        if GCDTimer.shared.isExistTimer(WithTimerName: "StartMotion") {
            GCDTimer.shared.cancleTimer(WithTimerName: "StartMotion")
        }
    }
    
    
    func showStopButton(_ isShow: Bool) {
        pauseButton.isHidden = isShow
        self.startButton.isHidden = !isShow
        self.stopButton.isHidden = !isShow
        let centerX = isShow ? SCREEN_WIDTH/2*0.55 : SCREEN_WIDTH/2
        UIView.animate(withDuration: 0.3) {
            self.stopButton.center.x = centerX
            self.startButton.center.x = SCREEN_WIDTH-centerX
        } completion: { finish in
        }
    }
    
    func countDown() {
        if count >= 0 {
            countImageView.image = UIImage(named: "count_down_\(count)")
            let animation = CABasicAnimation(keyPath: "transform.scale")
            animation.fromValue = 0.5
            animation.toValue = 1
            animation.duration = 0.5
            animation.beginTime = 0
            if count == 1 {
                hideMap(1)
            }
            self.countImageView.layer.add(animation, forKey: nil)
            count -= 1
        } else {
            if GCDTimer.shared.isExistTimer(WithTimerName: "count_down") {
                GCDTimer.shared.cancleTimer(WithTimerName: "count_down")
            }
            self.countImageView.isHidden = true
            if motionType == .run_indoor {
                self.mapButton.isHidden = true
                self.signalImageView.isHidden = true
                self.gpsLabel.isHidden = true
            } else {
                self.mapButton.isHidden = false
                self.signalImageView.isHidden = false
                self.gpsLabel.isHidden = false
            }
            self.detailView.isHidden = false
            
            self.motionTypeLabel.isHidden = false
            
            isRecord = true
            startDate = DateInRegion().date
            GCDTimer.shared.scheduledDispatchTimerNotNow(WithTimerName: "StartMotion", timeInterval: 1, queue: .main, repeats: true) { [weak self] in
                self?.startMotion()
            }
            locationManager.startUpdatingLocation()
//            resetKalmanFilter = true
        }
    }
    
    
    @IBAction func showMap(_ sender: Any) {
        mapBackView.isHidden = false
        mapBackView.isUserInteractionEnabled = false
        UIView.animate(withDuration: 0.3) {
            self.mapBackView.center = self.view.center
            self.mapBackView.transform = .identity
            //            self.view.layoutIfNeeded()
        } completion: { finish in
            self.mapBackView.isUserInteractionEnabled = true
        }
        
    }
    
    @IBAction func hideMap(_ sender: Any) {
        UIView.animate(withDuration: 0.3) {
            self.mapBackView.transform = CGAffineTransform.init(scaleX: 0.02, y: 0.02)
            self.mapBackView.center = self.mapButton.center
            //            self.view.layoutIfNeeded()
        } completion: { finish in
            self.mapBackView.isHidden = true
        }
    }
    
    deinit {
        print("deinit\(NSStringFromClass(type(of: self)))!!!!!!!")
    }
    
    private func distanceToCalorie(_ distance: Float) -> Float {
        let user = UserInfo
        var weight = user.weight
        if user.weight < 15 {
            weight = 65
        }
        if user.gender == 1 {
            return Float((weight - 10)) * distance
        } else {
            return Float((weight - 10)) * distance * 1.3
        }
    }
    
    func updateSignal(_ accuracy: CLLocationAccuracy) {
        var signal: Int = 3
        if accuracy < 0 {
            signal = 0
        } else if accuracy > 143 {
            signal = 1
        } else if accuracy > 48 {
            signal = 2
        } else {
            signal = 3
        }
        signalImageView.image = UIImage(named: "signal_\(signal)")
        signalImageView1.image = UIImage(named: "signal_map_\(signal)")
    }
    
    
    private func distanceToStepCadence(_ distance: Float, time: Int) -> Int {
        let user = UserInfo
        if user.gender == 1 {
            return Int (distance * 100 / 0.4 / Float(user.height)) * 60 / time
        } else {
            return Int (distance * 100 / 0.35 / Float(user.height)) * 60 / time
        }
    }
    
    private func distanceToStep(_ distance: Float) -> Int {
        let user = UserInfo
        if user.gender == 1 {
            return Int (distance * 100 / 0.4 / Float(user.height))
        } else {
            return Int (distance * 100 / 0.35 / Float(user.height))
        }
    }
    
}

extension StartMotionVC: AMapLocationManagerDelegate {
    
    
    func amapLocationManager(_ manager: AMapLocationManager!, didUpdate location: CLLocation!) {
        //        mapView.showsUserLocation
        
    
        
        if !isRecord {
            return
        }
        //        if !updatingLocation {
        //            return
        
        //        }
        //        guard let location = userLocation.location else {
        //            return
        //        }
        print("信号强度:\(location.horizontalAccuracy)")
        updateSignal(location.horizontalAccuracy)
        if coordinateArray.count == 0 {
            //            coordinateArray.append(location.coordinate)
            //            locationArray.append(location)
        } else {
           
            
            let lastCoordinate = coordinateArray.last!
            let point1 = MAMapPointForCoordinate(lastCoordinate)
            let point2 = MAMapPointForCoordinate(location.coordinate)
            let dis = MAMetersBetweenMapPoints(point1, point2)
            //            print(Float(dis))
            distance += Float(dis)
            //            print(distance)
            if distance == 0 {
                return
            }
            
            if user.distanceUnit == 0 {
                distanceLabel.text = String(format:"%.2f", distance/1000)
                mapDistanceLabel.text = String(format:"%.2f", distance/1000)
                speed = Float(time)/(distance/1000)
                if speed > 0 {
                    speedArray.append(speed)
                }
                speedLabel.text = "\(String(format:"%02d", Int(speed)/60))′\(String(format:"%02d", Int(speed)%60))″"
            } else {
                distanceLabel.text = (distance/1000).footString()
                mapDistanceLabel.text = (distance/1000).footString()
                speed = Float(time)/(distance/1000)
                if speed > 0 {
                    speedArray.append(speed)
                }
                speedLabel.text = "\(String(format:"%02d", Int(speed/0.6213)/60))′\(String(format:"%02d", Int(speed/0.6213)%60))″"
            }
            
            
            calorie = distanceToCalorie(distance/1000)
            calorieLabel.text = String(format:"%.2f", calorie)
            if time > 0 {
                stepCadenceArray.append(distanceToStepCadence(distance, time: time))
            }
            altitudeArray.append(Double(location.altitude))
        }
        
        print("添加")
        if hcKalmanFilter == nil {
            self.hcKalmanFilter = HCKalmanAlgorithm(initialLocation: location)
            hcKalmanFilter?.rValue = 40
            hcKalmanFilter?.resetKalman(newStartLocation: location)
            self.coordinateArray.append(location.coordinate)
            self.locationArray.append(location)
        } else {
            let kalmanLocation = hcKalmanFilter?.processState(currentLocation: location)
//            print("\(kalmanLocation?.coordinate) ---  \(location.coordinate)")
            self.coordinateArray.append(kalmanLocation!.coordinate)
            self.locationArray.append(kalmanLocation!)
        }
        updatePath()
//        let kalmanLocation = hcKalmanFilter?.processState(currentLocation: location)
//        print(kalmanLocation!.coordinate)
        //        print(location!.getDistanceFrom(userLocation.location))
       
    }
}


extension StartMotionVC: MAMapViewDelegate {
    //    func mapView(_ mapView: MAMapView!, viewFor annotation: MAAnnotation!) -> MAAnnotationView! {
    //          if annotation is MAUserLocation {
    //              var userView = mapView.dequeueReusableAnnotationView(withIdentifier: "userAnnotationIdentifer")
    //              if userView == nil {
    //                  userView = MAAnnotationView(annotation: annotation, reuseIdentifier: "userAnnotationIdentifer")
    //              }
    //              userView!.image = UIImage(named: "firmware_update")
    //              return userView!
    //          }
    //          return nil
    //      }
    
    
    
    func mapView(_ mapView: MAMapView!, didUpdate userLocation: MAUserLocation!, updatingLocation: Bool) {
        //        if updatingLocation {
        //            let userView = mapView.view(for: userLocation)
        //
        //                   //取方向信息
        //            if let userHeading = userLocation.heading {
        //                //根据方向旋转箭头
        //                userView?.rotateWithHeading(heading: userHeading)
        //            }
        
        
        //        }
        /*
         if !isRecord {
         return
         }
         if !updatingLocation {
         return
         }
         guard let location = userLocation.location else {
         return
         }
         if coordinateArray.count == 0 {
         coordinateArray.append(location.coordinate)
         } else {
         let lastCoordinate = coordinateArray.last!
         let point1 = MAMapPointForCoordinate(lastCoordinate)
         let point2 = MAMapPointForCoordinate(location.coordinate)
         let dis = MAMetersBetweenMapPoints(point1, point2)
         //            print(Float(dis))
         distance += Float(dis)
         //            print(distance)
         if distance == 0 {
         return
         }
         distanceLabel.text = String(format:"%.2f", distance/1000)
         mapDistanceLabel.text = String(format:"%.2f", distance/1000)
         speed = Float(time)/(distance/1000)
         speedLabel.text = "\(String(format:"%02d", Int(speed)/60))′\(String(format:"%02d", Int(speed)%60))″"
         calorieLabel.text = String(format:"%.2f", distanceToCalorie(distance/1000)/1000)
         }
         
         print("添加")
         //        print(location!.getDistanceFrom(userLocation.location))
         self.coordinateArray.append(location.coordinate)
         
         updatePath()
         */
        //        if isRecording {
        //            // filter the result
        //            if userLocation.location.horizontalAccuracy < 100.0 {
        //
        //                addLocation(location: userLocation.location)
        //            }
        //        }
        //
        //        var speed = location!.speed
        //        if speed < 0.0 {
        //            speed = 0.0
        //        }
        //
        //        let infoArray: [(String, String)] = [
        //            ("coordinate", NSString(format: "<%.4f, %.4f>", location!.coordinate.latitude, location!.coordinate.longitude) as String),
        //            ("speed", NSString(format: "%.2fm/s(%.2fkm/h)", speed, speed * 3.6) as String),
        //            ("accuracy", "\(location!.horizontalAccuracy)m"),
        //            ("altitude", NSString(format: "%.2fm", location!.altitude) as String)]
        //
        //        statusView!.showStatusInfo(info: infoArray)
        
    }
    
    func updatePath () {
        
        // 每次获取到新的定位点重新绘制路径
        /*
         var mArr = [MATraceLocation]()
         for loc: CLLocation in self.locationArray {
         let tLoc = MATraceLocation()
         tLoc.loc = loc.coordinate
         tLoc.speed = loc.speed * 3.6
         //m/s  转 km/h
         tLoc.time = loc.timestamp.timeIntervalSince1970 * 1000
         tLoc.angle = loc.course
         mArr.append(tLoc)
         }
         weak var weakSelf = self
         
         _ = traceManager.queryProcessedTrace(with: mArr, type: .aMap, processingCallback: { (index:Int32, arr:[MATracePoint]?) in
         
         }, finishCallback: { (arr:[MATracePoint]?, distance:Double) in
         //            if saving {
         //                weakSelf?.totalTraceLength = 0.0
         //                weakSelf?.currentRecord?.updateTracedLocations(arr)
         //                weakSelf?.saveRoute()
         //                weakSelf?.isSaving = false
         //                weakSelf?.showTip(tip: "recording save done")
         //            }
         //            weakSelf?.updateUserlocationTitle(withDistance: distance)
         weakSelf?.addFullTrace(arr)
         
         }, failedCallback: { (errCode:Int32, errDesc:String?) in
         print(errDesc ?? "error")
         //            weakSelf?.isSaving = false
         })
         */
        // 移除掉除之前的overlay
        let overlays = self.mapView.overlays
        self.mapView.removeOverlays(overlays)
        
        let polyline = MAPolyline(coordinates: &self.coordinateArray, count: UInt(self.coordinateArray.count))
        self.mapView.add(polyline)
        
        // 将最新的点定位到界面正中间显示
        let lastCoord = self.coordinateArray[self.coordinateArray.count - 1]
        self.mapView.setCenter(lastCoord, animated: true)
    }
    
    
    func addFullTrace(_ tracePoints: [MATracePoint]?) {
        let polyline: MAPolyline? = self.makePolyline(with: tracePoints)
        if polyline == nil {
            return
        }
        //          self.tracedPolylines.append(polyline!)
        self.mapView.add(polyline!)
        if let lastCoord = self.coordinateArray.last {
            self.mapView.setCenter(lastCoord, animated: true)
        }
    }
    
    func makePolyline(with tracePoints: [MATracePoint]?) -> MAPolyline? {
        if tracePoints == nil || tracePoints!.count < 2 {
            return nil
        }
        var pCoords = [CLLocationCoordinate2D]()
        
        for i in 0..<tracePoints!.count {
            pCoords.append(CLLocationCoordinate2D(latitude: tracePoints![i].latitude, longitude: tracePoints![i].longitude))
        }
        
        let polyline = MAPolyline(coordinates: &pCoords, count: UInt(pCoords.count))
        
        return polyline
    }
    
    func mapView(_ mapView: MAMapView!, rendererFor overlay: MAOverlay!) -> MAOverlayRenderer! {
        if let poly = overlay as? MAPolyline {
            let polylineView = MAPolylineRenderer(polyline: poly)
            polylineView!.lineWidth = 6
            polylineView!.strokeColor = UIColor(red: 4 / 255.0, green:  181 / 255.0, blue:  108 / 255.0, alpha: 1.0)
            polylineView!.lineJoinType = kMALineJoinRound
            polylineView!.lineCapType = kMALineCapRound
            return polylineView
        } else {
            return nil
        }
    }
    //
    //    func mapView(mapView: MAMapView!, viewForOverlay overlay: MAOverlay!) -> MAOverlayView! {
    //        if overlay.isKindOfClass(MAPolyline) {
    //            let polylineView = MAPolylineView(overlay: overlay)
    //            polylineView.lineWidth = 6
    //            polylineView.strokeColor = UIColor(red: 4 / 255.0, green:  181 / 255.0, blue:  108 / 255.0, alpha: 1.0)
    //
    //            return polylineView
    //        }
    //
    //        return nil
    //    }
    
    func mapView(_ mapView: MAMapView, didChange mode: MAUserTrackingMode, animated: Bool) {
        //        if mode == MAUserTrackingMode.none {
        //            locationButton?.setImage(imageNotLocate, for: UIControlState.normal)
        //        }
        //        else {
        //            locationButton?.setImage(imageLocated, for: UIControlState.normal)
        //        }
    }
    
}
extension MAAnnotationView {
    
    /// 根据heading信息旋转大头针视图
    ///
    /// - Parameter heading: 方向信息
    func rotateWithHeading(heading: CLHeading) {
        
        //将设备的方向角度换算成弧度
        let headings = Double.pi * heading.magneticHeading / 180.0
        //创建不断旋转CALayer的transform属性的动画
        let rotateAnimation = CABasicAnimation(keyPath: "transform")
        //动画起始值
        let formValue = self.layer.transform
        rotateAnimation.fromValue = NSValue(caTransform3D: formValue)
        //绕Z轴旋转heading弧度的变换矩阵
        let toValue = CATransform3DMakeRotation(CGFloat(headings), 0, 0, 1)
        //设置动画结束值
        rotateAnimation.toValue = NSValue(caTransform3D: toValue)
        rotateAnimation.duration = 0.35
        rotateAnimation.isRemovedOnCompletion = true
        //设置动画结束后layer的变换矩阵
        self.layer.transform = toValue
        
        //添加动画
        self.layer.add(rotateAnimation, forKey: nil)
        
    }
}