feat: Align user report map to Android app

Sources/Earthquake Network/Models/Map annotation/EQNMapAnnotationUserReport.swift

@@ -15,36 +15,60 @@ class EQNMapAnnotationUserReport: NSObject, MKAnnotation {
         
     @objc var coordinate: CLLocationCoordinate2D
     @objc var title: String?
+    @objc var subtitle: String?
     @objc var image: UIImage?
+    @objc var timeDifference: String?
     
     var report: EQNSegnalazione?
     
     // MARK: - Init
     
     convenience init(report: EQNSegnalazione) {
-        let coordinate = CLLocationCoordinate2D(latitude: report.coordinate.coordinate.latitude, longitude: report.coordinate.coordinate.longitude)
-        let magnitude = report.intensity.rawValue
-        let title = EQNUtility.formattedTimeDifference(from: report.date)
+        let coordinate = report.coordinate.coordinate
+        let magnitude = report.intensity
         
-        self.init(title: title, coordinate: coordinate, magnitude: magnitude)
+        self.init(magnitude: magnitude, coordinate: coordinate)
         self.report = report
+        self.timeDifference = EQNUtility.formattedTimeDifference(from: report.date)
     }
     
-    @objc init(title: String, coordinate: CLLocationCoordinate2D, magnitude: Int) {
-        self.title = title
-        self.image = Self.image(for: magnitude)
+    @objc init(
+        magnitude: Int,
+        coordinate: CLLocationCoordinate2D
+    ) {
+        self.title = Self.title(for: magnitude)
+        self.subtitle = Self.subtitle(for: magnitude)
         self.coordinate = coordinate
-        super.init()
+        self.image = Self.image(for: magnitude)
     }
     
-    // MARK: - Public
+    // MARK: - Helper
     
     private static func image(for magnitute: Int) -> UIImage? {
-        switch magnitute {
-        case 1: return UIImage(named: "star_report_green")
-        case 2: return UIImage(named: "star_report_yellow")
-        case 3: return UIImage(named: "star_report_red")
-        default: return nil
+        guard let color = UIColor(named: "Mercalli \(magnitute)") else {
+            print("[EQNMapAnnotationUserReport] Unable to get a color for magnitude: \(magnitute)")
+            return nil
         }
+        
+        return UIImage.circle(diameter: 24.0, color: color, borderWidth: 1.0, borderColor: AppTheme.Colors.gray)
+    }
+    
+    private static func title(for magnitude: Int) -> String {
+        let grade = magnitude / 10
+        let roman = grade.toRoman()
+        return String(format: NSLocalizedString("mercalli_intensity", comment: ""), roman)
+    }
+    
+    private static func subtitle(for magnitude: Int) -> String {
+        let grade = magnitude / 10
+        let roman = grade.toRoman()
+        let string = NSLocalizedString("mercalli_\(roman)", comment: "")
+        // strings are in the format like "II - Appena percepito"
+        // so we are going to remove the "II" from the string
+        let components = string.components(separatedBy: " - ")
+        if components.count > 1 {
+            return components[1]
+        }
+        return string
     }
 }