/*

Copyright (C) 2017 Apple Inc. All Rights Reserved.

See LICENSE.txt for this sample’s licensing information

Abstract:

View controller that shows the location of a photo in a popover.

*/

import Cocoa

import Foundation

import MapKit

class MapViewController : NSViewController {

    // MARK: - Properties

    var mapLocation: CLLocation!

    @IBOutlet private weak var mapView: MKMapView!

    // MARK: - View Controller Lifecycle

    override func viewDidAppear() {

        super.viewDidAppear()

        guard mapLocation != nil else { return }

        // Set the location and spanning region to our map view.

        let location: CLLocationCoordinate2D =

            CLLocationCoordinate2D(latitude: mapLocation.coordinate.latitude, longitude: mapLocation.coordinate.longitude)

        let newRegion: MKCoordinateRegion = MKCoordinateRegionMake(location, MKCoordinateSpanMake(0.008, 0.008))

        mapView.region = newRegion

        // Geocode the location for setting the annotation data.

        let geocoder: CLGeocoder = CLGeocoder()

        geocoder.reverseGeocodeLocation(mapLocation, completionHandler: { (placemarks, error) -> Void in

            DispatchQueue.main.async {

                guard let placemarks = placemarks, placemarks.count > 0 else { return }

                self.setMapAnnotation(placemarks)

            }

        })

    }

    /// Adds an annotation (where the CloudPhoto was taken from the camera) to the map.

    private func setMapAnnotation(_ placemarks: [CLPlacemark]) {

        let myAnnotation: MKPointAnnotation = MKPointAnnotation()

        myAnnotation.coordinate = mapLocation.coordinate

        guard (placemarks.count > 0) else { return }

        let placemark: CLPlacemark = placemarks[0]

        if placemark.locality != nil && placemark.administrativeArea != nil

        {

            myAnnotation.title = title

            if placemark.thoroughfare != nil

            {

                myAnnotation.subtitle = String(format: "%@: %@, %@", placemark.thoroughfare!, placemark.locality!, placemark.administrativeArea!)

            }

            else

            {

                myAnnotation.subtitle =

                    String(format:"%@, %@", placemark.locality!, placemark.administrativeArea!)

            }

            mapView.addAnnotation(myAnnotation)

            mapView.selectAnnotation(myAnnotation, animated: false)

        }

    }

}