import 'package:cyberhybridhub_server/question_source_preferences.dart';
import 'package:test/test.dart';

void main() {
  test('mergeStored applies defaults for market and spelling sources', () {
    final List<ResolvedQuestionSourcePreference> merged =
        QuestionSourcePreferences.mergeStored(null);

    expect(merged.map((ResolvedQuestionSourcePreference s) => s.id), <String>[
      'market_history',
      'spelling',
    ]);
    expect(
      merged.firstWhere((ResolvedQuestionSourcePreference s) => s.id == 'market_history').enabled,
      isTrue,
    );
    expect(
      merged.firstWhere((ResolvedQuestionSourcePreference s) => s.id == 'spelling').enabled,
      isTrue,
    );
  });

  test('parsePutBody rejects all disabled sources', () {
    expect(
      () => QuestionSourcePreferences.parsePutBody(<String, dynamic>{
        'sources': <Map<String, dynamic>>[
          <String, dynamic>{'id': 'market_history', 'enabled': false, 'ratio': 50},
          <String, dynamic>{'id': 'spelling', 'enabled': false, 'ratio': 50},
        ],
      }),
      throwsA(isA<QuestionSourceValidationException>()),
    );
  });

  test('parsePutBody accepts enabled spelling source', () {
    final List<Map<String, dynamic>> stored =
        QuestionSourcePreferences.parsePutBody(<String, dynamic>{
      'sources': <Map<String, dynamic>>[
        <String, dynamic>{'id': 'market_history', 'enabled': true, 'ratio': 50},
        <String, dynamic>{'id': 'spelling', 'enabled': true, 'ratio': 50},
      ],
    });

    expect(stored.length, 2);
    expect(
      stored.firstWhere((Map<String, dynamic> row) => row['id'] == 'spelling')['enabled'],
      isTrue,
    );
  });

  test('effectiveMix normalizes enabled source ratios', () {
    final List<ResolvedQuestionSourcePreference> resolved =
        QuestionSourcePreferences.mergeStored(<Map<String, dynamic>>[
      <String, dynamic>{'id': 'market_history', 'enabled': true, 'ratio': 75},
      <String, dynamic>{'id': 'spelling', 'enabled': true, 'ratio': 25},
    ]);

    final Map<String, int> mix =
        QuestionSourcePreferences.effectiveMix(resolved);

    expect(mix['market_history'], 75);
    expect(mix['spelling'], 25);
  });

  test('isEnabled returns false for disabled spelling', () {
    final List<ResolvedQuestionSourcePreference> resolved =
        QuestionSourcePreferences.mergeStored(<Map<String, dynamic>>[
      <String, dynamic>{'id': 'market_history', 'enabled': true, 'ratio': 100},
      <String, dynamic>{'id': 'spelling', 'enabled': false, 'ratio': 0},
    ]);

    expect(
      QuestionSourcePreferences.isEnabled(resolved, 'market_history'),
      isTrue,
    );
    expect(QuestionSourcePreferences.isEnabled(resolved, 'spelling'), isFalse);
  });
}