import 'dart:typed_data';
import 'package:opencv_dart/opencv_dart.dart' as cv;
import '../../domain/entities/quality_status.dart';
import 'quality_checker.dart';

class ImageAnalysisService {
  static QualityStatus analyze({
    required Uint8List bytes,
    required int width,
    required int height,
  }) {
    final mat = cv.Mat.fromList(
      height,
      width,
      cv.MatType.CV_8UC1,
      bytes,
    );

    final result = QualityChecker.analyze(mat);
    mat.dispose();

    // Re-calculate flags locally or trust QualityChecker. 
    // QualityChecker returns QualityResult which has scores.
    // Logic for flags matches QualityChecker.analyze:
    final bool isSharp = result.blurScore > 100.0;
    final bool isLit = result.brightness > 40.0 && result.brightness < 220.0;
    final bool isPositionValid = result.isPositionValid;

    return QualityStatus(
      blurScore: result.blurScore,
      brightness: result.brightness,
      isCentered: result.isPositionValid,
      canCapture: result.passed,
      isFocusGood: isSharp,
      isLightingGood: isLit,
      isPositionGood: isPositionValid,
    );
  }
}