eqn.ios/Sources/Earthquake Network/Controllers/Seismic Networks/SeismicNetworksMapDetailViewController.swift

//
//  SeismicNetworksMapDetailViewController.swift
//  Earthquake Network
//
//  Created by Andrea Busi on 21/02/21.
//  Copyright © 2021 Earthquake Network. All rights reserved.
//

import UIKit
import MapKit

class SeismicNetworksMapDetailViewController: EQNBaseViewController, MKMapViewDelegate {

    // MARK: - UI
    
    @IBOutlet private weak var mapView: MKMapView!
    
    // MARK: - State
    
    var seismic: EQNSisma?
    
    
    // MARK: - View Lifecycle
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        setupUI()
        
        if let seismic = seismic {
            addMarker(for: seismic)
        }
    }
    
    // MARK: - Private
    
    private func setupUI() {
        let closeButton = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(closeTapped(_:)))
        navigationItem.rightBarButtonItem = closeButton
    }
    
    private func addMarker(for seismic: EQNSisma) {
        let annotation = EQNMapAnnotationSeismic(title: seismic.place, location: seismic.coordinate.coordinate, intensita: seismic.magnitude.doubleValue)
        mapView.addAnnotation(annotation)
        
        let span = MKCoordinateSpan(latitudeDelta: 10.5, longitudeDelta: 10.5)
        let region = MKCoordinateRegion(center: seismic.coordinate.coordinate, span: span)
        mapView.setCenter(seismic.coordinate.coordinate, animated: false)
        mapView.setRegion(region, animated: true)
    }
    
    // MARK: - Actions
    
    @objc private func closeTapped(_ sender: Any) {
        dismiss(animated: true)
    }
    
    // MARK: - MKMapViewDelegate
    
    func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
        if let sismaAnnotation = annotation as? EQNMapAnnotationSeismic {
            var annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: EQNMapAnnotationSeismicIdentifier)
            if annotationView == nil {
                annotationView = sismaAnnotation.annotationView()
            } else {
                annotationView?.annotation = sismaAnnotation
            }
            return annotationView
        }
        return nil
    }
}