import 'package:camera/camera.dart';
import '../../domain/entities/scan_result.dart';
import '../../domain/repositories/scanner_repository.dart';
import '../datasources/camera_datasource.dart';

class ScannerRepositoryImpl implements ScannerRepository {
  final CameraDataSource dataSource;

  ScannerRepositoryImpl(this.dataSource);

  @override
  Future<CameraController> initializeCamera() async {
    return await dataSource.getCameraController();
  }

  @override
  Future<ScanResult> scanFingerprint(CameraController controller) async {
    // 1. Capture Image
    final imagePath = await dataSource.captureImage(controller);

    // 2. Placeholder for Real-time Analysis
    // In a real app, we would process the image here (e.g., OpenCV, ML Kit)
    // For now, we simulate a delay and return success.
    // await Future.delayed(const Duration(seconds: 1)); // Simulate processing

    return ScanResult(imagePath: imagePath, timestamp: DateTime.now());
  }

  @override
  Future<void> disposeCamera(CameraController controller) async {
    await dataSource.disposeCamera(controller);
  }

  @override
  Future<void> startImageStream(
    CameraController controller,
    Function(CameraImage p1) onImage,
  ) async {
    await dataSource.startImageStream(controller, onImage);
  }

  @override
  Future<void> stopImageStream(CameraController controller) async {
    await dataSource.stopImageStream(controller);
  }
}