import 'package:equatable/equatable.dart';

class ScannerState extends Equatable {
  final bool isScanning;
  final bool isProcessing;
  final Map<String, dynamic>? detectedBookData;
  final String? errorMessage;

  const ScannerState({
    this.isScanning = false,
    this.isProcessing = false,
    this.detectedBookData,
    this.errorMessage,
  });

  factory ScannerState.initial() {
    return const ScannerState();
  }

  ScannerState copyWith({
    bool? isScanning,
    bool? isProcessing,
    Map<String, dynamic>? detectedBookData,
    String? errorMessage,
    bool clearDetectedBookData = false,
  }) {
    return ScannerState(
      isScanning: isScanning ?? this.isScanning,
      isProcessing: isProcessing ?? this.isProcessing,
      detectedBookData: clearDetectedBookData ? null : (detectedBookData ?? this.detectedBookData),
      errorMessage: errorMessage ?? this.errorMessage,
    );
  }

  @override
  List<Object?> get props => [
        isScanning,
        isProcessing,
        detectedBookData,
        errorMessage,
      ];
}