import 'package:flutter/services.dart';

import 'app_exception.dart';

/// The user denied a system permission the action needs (camera, photos).
/// Retrying won't help until the permission is granted in the system settings.
class PermissionException extends AppException {
  const PermissionException({
    required super.userMessage,
    super.technicalDetails,
  }) : super(allowRetry: false);

  factory PermissionException.camera({String? technicalDetails}) =>
      PermissionException(
        userMessage:
            'Kein Zugriff auf die Kamera. Bitte erlaube der App den '
            'Kamerazugriff in den Einstellungen deines Geräts.',
        technicalDetails: technicalDetails,
      );

  factory PermissionException.photos({String? technicalDetails}) =>
      PermissionException(
        userMessage:
            'Kein Zugriff auf deine Fotos. Bitte erlaube der App den '
            'Fotozugriff in den Einstellungen deines Geräts.',
        technicalDetails: technicalDetails,
      );

  /// Maps the `*_access_denied` codes thrown by `image_picker`; `null` for any
  /// other platform error.
  static PermissionException? fromPlatform(PlatformException error) =>
      switch (error.code) {
        'camera_access_denied' => PermissionException.camera(
          technicalDetails: error.message,
        ),
        'photo_access_denied' => PermissionException.photos(
          technicalDetails: error.message,
        ),
        _ => null,
      };
}