import MapKit
import UIKit
import CoreLocation

class MapViewController: UIViewController, UISearchBarDelegate, MKMapViewDelegate,CLLocationManagerDelegate  {

    @IBOutlet weak var MapView: MKMapView!

    var searchController:UISearchController!
    var annotation:MKAnnotation!
    var localSearchRequest:MKLocalSearchRequest!
    var localSearch:MKLocalSearch!
    var localSearchResponse:MKLocalSearchResponse!
    var error:NSError!
    var pointAnnotation:MKPointAnnotation!
    var pinAnnotationView:MKPinAnnotationView!

    var coordinates: [[Double]]!
    var name:[String]!

    let regionRadius: CLLocationDistance = 1000

    @IBAction func showSearchBar(_ sender: Any) {

        searchController = UISearchController(searchResultsController: nil)
        searchController.hidesNavigationBarDuringPresentation = false
        self.searchController.searchBar.delegate = self
        present(searchController, animated: true, completion: nil)
    }

    override func viewDidLoad() {
        super.viewDidLoad()


        self.MapView.delegate = self

        var Kusamba = CustomPointAnnotation()
        Kusamba.coordinate = CLLocationCoordinate2DMake(-8.550436, 115.481009)
        Kusamba.title = "Kusumba"
        Kusamba.subtitle = "Village de pêcheur et de paludiers"
        Kusamba.imageName = "PetitPtVie"

        var Goa = CustomPointAnnotation()
        Goa.coordinate = CLLocationCoordinate2DMake(-8.551077, 115.474824)
        Goa.title = "Goa Lawah"
        Goa.subtitle = "La grotte des chauves souris"
        Goa.imageName = "PetitPtculture"

        var Andakasa = CustomPointAnnotation()
        Andakasa.coordinate = CLLocationCoordinate2DMake(-8.513608, 115.474698)
        Andakasa.title = "Andakasa"
        Andakasa.subtitle = "Pura Luhur Andakasa"
        Andakasa.imageName = "PetitPtculture"

        var Padang = CustomPointAnnotation()
        Padang.coordinate = CLLocationCoordinate2DMake(-8.530652, 115.509299)
        Padang.title = "Padang bai"
        Padang.subtitle = "Village portuaire "
        Padang.imageName = "PetitPtplage"


        MapView.addAnnotation(Kusamba)
        MapView.addAnnotation(Goa)
        MapView.addAnnotation(Andakasa)
        MapView.addAnnotation(Padang)


        let region = MKCoordinateRegion(center: CLLocationCoordinate2D(latitude: -8.670458199999999, longitude: 115.2126293), span: MKCoordinateSpan(latitudeDelta: 1, longitudeDelta: 1))
        self.MapView.setRegion(region, animated: true)
    }

    func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView?{

        print("delegate called")

        if !(annotation is CustomPointAnnotation) {
            return nil
        }

        let reuseId = "test"

        var AnnotationView = mapView.dequeueReusableAnnotationView(withIdentifier: reuseId)
        if AnnotationView == nil {
            AnnotationView = MKAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
            AnnotationView?.canShowCallout = true

            let rightButton: AnyObject! = UIButton(type: UIButtonType.detailDisclosure)
            AnnotationView?.rightCalloutAccessoryView = rightButton as? UIView
        }
        else {
            AnnotationView?.annotation = annotation

        }

        func didReceiveMemoryWarning() {
            super.didReceiveMemoryWarning()

        }

        let CustomPointAnnotation = annotation as! CustomPointAnnotation
        AnnotationView?.image = UIImage(named:CustomPointAnnotation.imageName)

        return AnnotationView
    }

    class CustomPointAnnotation: MKPointAnnotation {
        var imageName: String!
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


    func searchBarSearchButtonClicked(_ searchBar: UISearchBar){

        searchBar.resignFirstResponder()
        dismiss(animated: true, completion: nil)
        if self.MapView.annotations.count != 0{
            annotation = self.MapView.annotations[0]
            self.MapView.removeAnnotation(annotation)
        }

        localSearchRequest = MKLocalSearchRequest()
        localSearchRequest.naturalLanguageQuery = searchBar.text
        localSearch = MKLocalSearch(request: localSearchRequest)
        localSearch.start { (localSearchResponse, error) -> Void in

            if localSearchResponse == nil{
                let alertController = UIAlertController(title: nil, message: "Place Not Found", preferredStyle: UIAlertControllerStyle.alert)
                alertController.addAction(UIAlertAction(title: "Dismiss", style: UIAlertActionStyle.default, handler: nil))
                self.present(alertController, animated: true, completion: nil)
                return
            }

            self.pointAnnotation = MKPointAnnotation()
            self.pointAnnotation.title = searchBar.text
            self.pointAnnotation.coordinate = CLLocationCoordinate2D(latitude: localSearchResponse!.boundingRegion.center.latitude, longitude:     localSearchResponse!.boundingRegion.center.longitude)


            self.pinAnnotationView = MKPinAnnotationView(annotation: self.pointAnnotation, reuseIdentifier: nil)
            self.MapView.centerCoordinate = self.pointAnnotation.coordinate
            self.MapView.addAnnotation(self.pinAnnotationView.annotation!)
        }


        func mapView(_ mapView: MKMapView, annotationView view: MKAnnotationView, calloutAccessoryControlTapped control: UIControl) {

            if control == view.rightCalloutAccessoryView {

            if (title == "Kusumba") {
                self.performSegue(withIdentifier: "Kusumba", sender: self)

            } else if (title == "Goa Lawah"){
                self.performSegue(withIdentifier: "Goa Lawah", sender: self)

            } else if (title == "Andakasa"){
                self.performSegue(withIdentifier: "Convertisseur", sender: self)
            }
            }
        }
    }
}