ihealth_ios/Inhealth/IHHotelMapView.swift

//
//  IHHotelMapView.swift
//  Inhealth
//
//  Created by weclouds on 2019/12/13.
//  Copyright © 2019 weclouds. All rights reserved.
//

import UIKit
import MapKit
import CoreLocation

let kNotificationIHHotelMapViewGetAllHotelData = "kNotificationIHHotelMapViewGetAllHotelData"

protocol IHHotelMapViewDelegate : NSObjectProtocol {
    func getMapViewRegin(_ lat_low:String,long_low:String,lat_high:String,long_high:String)
    
    func didSelectCalloutView(_ annotation: IHAnotation)
    
    func locationManagerDidFailWithError()
    
}
class IHHotelMapView: UIView {

    fileprivate var isStartLocation : Bool? = true
    
    var selectedCoordinate:CLLocationCoordinate2D?{
        didSet{
            
            //处理事件
            if let coordinate = self.selectedCoordinate {
                isStartLocation = false
                let location = CLLocation(latitude: coordinate.latitude, longitude: coordinate.latitude)
                centerMapOnLocation(location: location)
                
            }else{
                isStartLocation = true
            }

        }
    }
    
    var AllHotelData:[HotelMapData]? //所有的酒店数据
    var fillterResult: [HotelMapData]? //过滤的结果
        {
        didSet{

        }
    }
    var searchFiled:UITextField?
    var showAnonations:[IHAnotation]? = [IHAnotation]()
    var receviceAnonations: [IHAnotation]? = [IHAnotation]()
    lazy var resultView: IHMapResultView = {//搜索结果view
        let resultView = IHMapResultView()
        resultView.frame = CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: KSCREENHEIGHT - KNavBarHeight - 50)
        resultView.isHidden = true
        return resultView
    }()

  weak var delegate: IHHotelMapViewDelegate?
    private var isOnce = true
    
    var mapDatas :[HotelMapData]?{
        didSet{
            addAnnotationsToMapView()
        }
    }
    
   public var mapView : MKMapView!
   
   let locationManager = CLLocationManager()
    
    
    lazy var locationBtn: UIButton = {
        let locationBtn = UIButton(type: .custom)
        locationBtn.setImage(UIImage(named: "定位当前位置"), for: .normal)
        locationBtn.backgroundColor = .white
        locationBtn.addTarget(self, action: #selector(locationAction), for: .touchUpInside)
        return locationBtn
    }()
    lazy var callOut: IHCallView = {
        let callOut = Bundle.main.loadNibNamed("IHCallView", owner: nil, options: nil)?.last as! IHCallView
       /// callOut.backgroundColor = UIColor.red
        callOut.isHidden = true
        return callOut
    }()
    override init(frame: CGRect) {
        super.init(frame: frame)
        NotificationCenter.default.addObserver(self, selector: #selector(notifyAllHotelData(_:)), name: NSNotification.Name(kNotificationIHHotelMapViewGetAllHotelData), object: nil)
        createMapView()
        
    }
   
    deinit {
        log.debug("IHHotelMapView销毁")
        NotificationCenter.default.removeObserver(self)
    }
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
   @objc  func notifyAllHotelData(_ notify:Notification)  {
    self.AllHotelData = notify.object as? [HotelMapData]
    self.resultView.mapHotelArr = AllHotelData
    }
    override func layoutSubviews() {
        super.layoutSubviews()
        mapView.snp.makeConstraints { (make) in
            make.right.left.top.bottom.equalToSuperview()
        }
        
        locationBtn.snp.makeConstraints { (make) in
              make.right.equalToSuperview().offset(-12)
              make.bottom.equalToSuperview().offset(-167)
              make.width.height.equalTo(37)
          }
        
        callOut.snp.makeConstraints({ (make) in
              make.bottom.equalToSuperview().offset(-34)
              make.left.equalTo(0)
              make.right.equalTo(0)
              make.height.equalTo(140 + 50)
          })
          
    }
   @objc func locationAction()  {
          isStartLocation = true
            //重新开始定位
            startLocation()

    }
    func createMapView()  {
        mapView = MKMapView()
        mapView.delegate = self
        addSubview(mapView)
        backgroundColor = .blue
        
        //设置地图类型
        mapView.mapType = .standard
        mapView.showsUserLocation = true
        mapView.userTrackingMode = .follow
        locationManager.delegate = self
        locationManager.requestWhenInUseAuthorization()
        locationManager.requestAlwaysAuthorization()
        locationManager.desiredAccuracy = kCLLocationAccuracyBest
    //开始update user位置

        startLocation()
        mapView.userTrackingMode = .none //不跟随移动

        //addAnnotationsToMapView()
        addSubview(locationBtn)
        
        addSubview(callOut)
        
        locationBtn.layer.masksToBounds = true
        locationBtn.layer.cornerRadius = 9
        

        addSubview(resultView)
        
        let searchView = UIView(frame: CGRect(x: 20, y: 15, width: KSCREENWIDTH - 40, height: 38))
        searchView.backgroundColor = UIColor(hexString: "ffffff")
        searchView.layer.cornerRadius = 19
        searchView.layer.masksToBounds = true
        self.addSubview(searchView)
        
        
        let searchfiled = UITextField(frame: CGRect(x: 15 , y: 5, width: KSCREENWIDTH - 40 - 30 - 20, height: 30))
        searchfiled.delegate = self
        searchfiled.placeholder = "输入关键字进行查找..."
        searchfiled.font = UIFont(name: PingFangSC_Medium, size: 12)
        searchfiled.textColor = UIColor(hexString: "333333")
        searchfiled.returnKeyType = .search
        searchfiled.clearButtonMode = .always
        searchView.addSubview(searchfiled)
        self.searchFiled = searchfiled
        let searchIcon = UIImageView(image: UIImage(named: "搜索"))
        searchView.addSubview(searchIcon)
        
        searchIcon.snp.makeConstraints { (make) in
            make.centerY.equalToSuperview()
            make.right.equalToSuperview().offset(-10)
            make.width.height.equalTo(15)
        }
        resultView.callback = {[unowned self] (hotel) in
            self.mapSelectedHotel(hotel)
        }
    }
    //选择酒店回调
    func mapSelectedHotel(_ hotel :HotelMapData)  {
        if let latitude = hotel.latitude,let longitude = hotel.longitude {
            self.resultView.isHidden = true
            let lat = Double(latitude)
            let lng = Double(longitude)
           // let coordinte = CLLocationCoordinate2D(latitude: lat!, longitude: lng!)
            let location = CLLocation(latitude: lat!, longitude: lng!)
            centerMapOnLocation(location: location)
            self.endEditing(true) //收起键盘
            self.searchFiled?.text = ""
//显示当前气泡
            delay(1) {

                  for ano in self.showAnonations! {
                      if ano.id == hotel.id {
                          self.mapView.selectAnnotation(ano, animated: true)
                        self.callOut.hotelData = hotel
                          self.callOut.isHidden = false
                      }
                  }
            }
  
           
 
        }
    }
    func startLocation() {
        print("进入普通定位态");
        locationManager.startUpdatingLocation()
        mapView.showsUserLocation = false//先关闭显示的定位图层
        mapView.showsUserLocation = true//显示定位图层
    }
    func stopLocation() {
        locationManager.stopUpdatingLocation()
        mapView.showsUserLocation = false
        
    }
    
    //显示周围1000米的区域
    let regionRadius: CLLocationDistance = 1000
    func centerMapOnLocation(location: CLLocation) {
        
        let coordinateRegion = MKCoordinateRegion(center: location.coordinate,
                                                  latitudinalMeters: regionRadius, longitudinalMeters: regionRadius)
       mapView.setRegion(coordinateRegion, animated: true)
    }
    
    
    func addAnnotationsToMapView() {
        if showAnonations!.count > 0  && showAnonations != nil {
            self.mapView.removeAnnotations(showAnonations!)
        }
        
        if let mapDatas = mapDatas {
            if mapDatas.count > 0 {//如果有值的时候，
                for map in mapDatas {
                    if let lat = map.latitude ,let lng = map.longitude,let id = map.id,let name = map.name{
                        let latitude = Double(lat)
                        let longitude = Double(lng)
                        let location = CLLocationCoordinate2DMake(latitude!, longitude!)
                        let annotation = IHAnotation(coordinate: location, icon: UIImage(named: "地图未选中点"),id:id,name: name ,hotelData:map )
                         
                        receviceAnonations?.append(annotation)
                    }
                }
            }
        }
        
        showAnonations = receviceAnonations
        self.mapView.addAnnotations(showAnonations!)
       
    }
}



extension IHHotelMapView:MKMapViewDelegate{
    
    
    //地图缩放完毕触发
    func mapView(_ mapView: MKMapView, regionDidChangeAnimated animated: Bool) {
        log.debug("地图缩放完毕触法")
        if isOnce == false{
            return
        }
        isOnce = false
        
         let point1 = CGPoint(x: 0, y: 0)
         let point2 = CGPoint(x: mapView.width, y: mapView.height)
         //屏幕坐标转地图坐标
         let coor1 =   mapView.convert(point1, toCoordinateFrom: mapView)
         let coor2 =  mapView.convert(point2, toCoordinateFrom: mapView)
         //获取坐标
         let lat_high = String(coor1.latitude)
         let lng_low =  String(coor1.longitude)
         let lat_low = String(coor2.latitude)
         let lng_high = String(coor2.longitude)
        if let delegate = self.delegate {
            delegate.getMapViewRegin(lat_low, long_low: lng_low, lat_high: lat_high, long_high: lng_high)
        }
        
        IHHotelMapService.share.getHotelMapData("-180", lng_high: "180", lat_low: "-90", lat_high: "90", requestSuccess: { (data) in
            
            self.mapDatas = data
            
        }) {
            
        }
    }
    func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
        if annotation.isKind(of: IHAnotation.self) {
            let annotationIH = annotation as! IHAnotation
            let key = "AnnotationIdentifier"
            //重用机制
            var view = self.mapView.dequeueReusableAnnotationView(withIdentifier: key) as? IHAnotationView
            if view == nil {
                view = IHAnotationView(annotation: annotation, reuseIdentifier: key)
            }
            //设置大头针数据
            view?.annotation = annotation
            view?.image = annotationIH.icon
            
            return view
            
        }
        return nil
    }
    // mapView 跟tableView的结构不一样，有顺序，map只可以把数据绑定到Anotation中
    func mapView(_ mapView: MKMapView, didSelect view: MKAnnotationView) {
        if view.isKind(of: IHAnotationView.self) == false {
            return
        }
        view.image = UIImage(named: "地图选中点")
        let annotion = view.annotation as? IHAnotation
        //callOut.backgroundColor = .random
        callOut.isHidden = false
        callOut.hotelName = annotion?.name
        callOut.hotelData = annotion?.hotelData
        callOut.closeCallback = { // 关闭callOut
            [unowned self] in
            self.callOut.isHidden = true
            view.image = UIImage(named: "地图未选中点")
        }
        
        //选中callout
        callOut.didSelectedCallout = { [unowned self] in
            
            self.delegate?.didSelectCalloutView(annotion!)
        }
    }
    
    func mapView(_ mapView: MKMapView, didDeselect view: MKAnnotationView) {
        if view.isKind(of: IHAnotationView.self) == false {
             return
         }
        callOut.isHidden = true
        view.image = UIImage(named: "地图未选中点")
      
    }
    
   
}
extension IHHotelMapView:CLLocationManagerDelegate{
    
    func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
        manager.stopUpdatingLocation()
        if let delegate = self.delegate {
            delegate.locationManagerDidFailWithError()
        }

    }
    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        let userLocation : CLLocation = locations.first! //最新位置
//
//        let coordinate = userLocation.coordinate
//        let _lat = coordinate.latitude
//        let _lng = coordinate.longitude
//        //火星坐标系
//       let (lat, lng) = LocationTransform.wgs2gcj(wgsLat: _lat, wgsLng: _lng)
//        let _location :  = CLLocation(latitude: lat, longitude: lng)
        if isStartLocation == true {
              centerMapOnLocation(location: userLocation)
        }
      
        manager.stopUpdatingLocation()
     
    }
}

extension IHHotelMapView : UITextFieldDelegate{
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {

        self.endEditing(true)
        return true
    }
 
    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        
        let currentText = searchFiled?.text ?? ""
            let newText = (currentText as NSString).replacingCharacters(in: range, with: string)
           log.debug("搜索内容 - \(newText) -- \(currentText)")
        if #available(iOS 13, *) {
            //iOS 13 九空格切换有问题
        }else{
            filterContent(for: newText)
        }
           

        return true
    }
    func textFieldShouldClear(_ textField: UITextField) -> Bool {
        log.debug("点击了清楚按钮 ")
        return true
    }
    //iOS 13 新增api
    func textFieldDidChangeSelection(_ textField: UITextField) {
        //iOS 13之后使用
        if #available(iOS 13, *){
          let currentText = searchFiled?.text ?? ""
          filterContent(for: currentText)
        }
        
    
    }
        ///过滤
        func filterContent(for searchText:String)  {
            resultView.isHidden = false
          //  guard let hotellist = AllHotelData else { return }
            let hotelName = searchText
            var fillterHotelNS : [HotelMapData]?

            if hotelName == "" || self.AllHotelData == nil || self.AllHotelData?.count == 0  { //没有输入则为传入的内容
                fillterHotelNS = AllHotelData
            }else{
                fillterHotelNS = (AllHotelData?.filter({ (hotel) -> Bool in
    //全部转为小写 在比较
                    let name = hotel.name!.lowercased()
                    let search = searchText.lowercased()
                    return name.contains(search) == true
                   // return province.name!.contains(searchText) == true
                }))!
            }
            fillterResult = fillterHotelNS
            //23log.debug(fillterResult)
            NotificationCenter.default.post(name: NSNotification.Name(rawValue: kNotifactionIHMapResultViewReloadData), object: fillterHotelNS)
        }
}