PinEditor.swift

import SwiftUI
import CoreLocation
struct PinEditor: View {
    let coordinate: CLLocationCoordinate2D
    var onSave: (_ title: String, _ subtitle: String) -> Void

    @Environment(\.presentationMode) private var presentationMode
    @State private var title: String = ""
    @State private var subtitle: String = ""

    var body: some View {
        NavigationView {
            Form {
                Section(header: Text("Coordinates")) {
                    Text(String(format: "%.6f, %.6f", coordinate.latitude, coordinate.longitude))
                        .font(.subheadline)
                        .foregroundColor(.secondary)
                }
                Section(header: Text("Title")) {
                    TextField("Enter title", text: $title)
                }
                Section(header: Text("Description")) {
                    TextField("Enter description", text: $subtitle)
                }
            }
            .navigationTitle("New Pin")
            .toolbar {
                ToolbarItem(placement: .cancellationAction) {
                    Button("Cancel") {
                        presentationMode.wrappedValue.dismiss()
                    }
                }
                ToolbarItem(placement: .confirmationAction) {
                    Button("Save") {
                        onSave(title.trimmingCharacters(in: .whitespacesAndNewlines),
                               subtitle.trimmingCharacters(in: .whitespacesAndNewlines))
                        presentationMode.wrappedValue.dismiss()
                    }
                    .disabled(title.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
                }
            }
        }
    }
}

struct PinEditor_Previews: PreviewProvider {
    static var previews: some View {
        PinEditor(coordinate: CLLocationCoordinate2D(latitude: 38.0, longitude: -121.0)) { title, subtitle in
            print("Saved: \(title) - \(subtitle)")
        }
    }
}