import SwiftUI
import UIKit

/// UIKit camera picker wrapped for SwiftUI.
///
/// `PhotosPicker` handles the photo library natively, but camera capture
/// still requires `UIImagePickerController` on iOS 26.
struct CameraPicker: UIViewControllerRepresentable {
    let onCapture: (UIImage) -> Void
    let onCancel: () -> Void

    func makeUIViewController(context: Context) -> UIImagePickerController {
        let picker = UIImagePickerController()
        picker.sourceType = .camera
        picker.allowsEditing = false
        picker.delegate = context.coordinator
        return picker
    }

    func updateUIViewController(_: UIImagePickerController, context _: Context) {}

    func makeCoordinator() -> Coordinator {
        Coordinator(onCapture: onCapture, onCancel: onCancel)
    }

    final class Coordinator: NSObject, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
        let onCapture: (UIImage) -> Void
        let onCancel: () -> Void

        init(onCapture: @escaping (UIImage) -> Void, onCancel: @escaping () -> Void) {
            self.onCapture = onCapture
            self.onCancel = onCancel
        }

        func imagePickerController(
            _ picker: UIImagePickerController,
            didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]
        ) {
            if let image = info[.originalImage] as? UIImage {
                onCapture(image)
            }
            picker.dismiss(animated: true)
        }

        func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
            onCancel()
            picker.dismiss(animated: true)
        }
    }
}