import 'package:equatable/equatable.dart';

/// Domain entity representing a scan item
/// This is the business logic representation without any external dependencies
class ScanEntity extends Equatable {
  final String barcode;
  final DateTime timestamp;
  final String field1;
  final String field2;
  final String field3;
  final String field4;

  const ScanEntity({
    required this.barcode,
    required this.timestamp,
    this.field1 = '',
    this.field2 = '',
    this.field3 = '',
    this.field4 = '',
  });

  /// Create a copy with updated fields
  ScanEntity copyWith({
    String? barcode,
    DateTime? timestamp,
    String? field1,
    String? field2,
    String? field3,
    String? field4,
  }) {
    return ScanEntity(
      barcode: barcode ?? this.barcode,
      timestamp: timestamp ?? this.timestamp,
      field1: field1 ?? this.field1,
      field2: field2 ?? this.field2,
      field3: field3 ?? this.field3,
      field4: field4 ?? this.field4,
    );
  }

  /// Check if the entity has any form data
  bool get hasFormData {
    return field1.isNotEmpty ||
        field2.isNotEmpty ||
        field3.isNotEmpty ||
        field4.isNotEmpty;
  }

  /// Check if all form fields are filled
  bool get isFormComplete {
    return field1.isNotEmpty &&
        field2.isNotEmpty &&
        field3.isNotEmpty &&
        field4.isNotEmpty;
  }

  @override
  List<Object> get props => [
        barcode,
        timestamp,
        field1,
        field2,
        field3,
        field4,
      ];

  @override
  String toString() {
    return 'ScanEntity{barcode: $barcode, timestamp: $timestamp, field1: $field1, field2: $field2, field3: $field3, field4: $field4}';
  }
}