import 'package:bible_tracker/models/tracker.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('Tracker', () {
    test('JSON round-trips including read chapters', () {
      final original = Tracker(
        id: 'abc',
        name: 'My Plan',
        colorValue: 0xFF3F51B5,
        startDate: DateTime.utc(2024, 1, 2, 3, 4, 5),
        readChapters: const <String>{'0:1', '0:2', '65:22'},
      );

      final Map<String, dynamic> json = original.toJson();
      final Tracker decoded = Tracker.fromJson(json);

      expect(decoded, original);
    });

    test('copyWith replaces a subset of fields', () {
      final original = Tracker(
        id: 'abc',
        name: 'Old',
        colorValue: 0xFF000000,
        startDate: DateTime(2024, 1, 1),
      );
      final Tracker updated = original.copyWith(
        name: 'New',
        readChapters: const <String>{'0:1'},
      );
      expect(updated.id, 'abc');
      expect(updated.name, 'New');
      expect(updated.colorValue, 0xFF000000);
      expect(updated.readChapters, const <String>{'0:1'});
    });
  });
}