import 'package:flutter_test/flutter_test.dart';
import 'package:meeyao_qianwen/features/divination/data/apis/divination_api.dart';
import 'package:meeyao_qianwen/features/divination/data/models/divination_params.dart';

void main() {
  test('buildDivinationRunPayload contains required AG-UI fields', () {
    final params = DivinationParams(
      method: DivinationMethod.auto,
      questionType: QuestionType.career,
      question: '什么时候找到工作',
      divinationTime: DateTime(2026, 4, 3, 18, 0, 2),
      coinBalance: 0,
      userId: 'u_test',
    );
    final payload = buildDivinationRunPayload(
      params: params,
      yaoStates: const <YaoType>[
        YaoType.youngYang,
        YaoType.youngYang,
        YaoType.youngYang,
        YaoType.oldYang,
        YaoType.oldYin,
        YaoType.youngYang,
      ],
      threadId: 'de44f2fb-de0a-46b9-bbf2-e99ee36f2a2d',
      runId: 'run_1775210431957',
      clientNow: DateTime(2026, 4, 3, 18, 0, 31, 958),
    );

    expect(payload['state'], isA<Map<String, dynamic>>());
    expect(payload['tools'], isA<List<dynamic>>());
    expect(payload['context'], isA<List<dynamic>>());

    final forwardedProps = payload['forwardedProps'] as Map<String, dynamic>;
    expect(forwardedProps['runtime_mode'], 'chat');
    final clientTime = forwardedProps['client_time'] as Map<String, dynamic>;
    expect((clientTime['client_now_iso'] as String).endsWith('Z'), isTrue);

    final divinationPayload =
        forwardedProps['divinationPayload'] as Map<String, dynamic>;
    expect(
      (divinationPayload['divinationTimeIso'] as String).endsWith('Z'),
      isTrue,
    );
    expect((divinationPayload['yaoLines'] as List<dynamic>).length, 6);

    final messages = payload['messages'] as List<dynamic>;
    expect(messages.length, 1);
    final userMessage = messages.first as Map<String, dynamic>;
    expect(userMessage['id'], isNotEmpty);
    expect(userMessage['role'], 'user');
    expect(userMessage['content'], '什么时候找到工作');
  });

  test('buildDivinationRunPayload throws when yaoStates length is not 6', () {
    final params = DivinationParams(
      method: DivinationMethod.auto,
      questionType: QuestionType.career,
      question: '测试',
      divinationTime: DateTime(2026, 4, 3, 18, 0, 2),
      coinBalance: 0,
      userId: 'u_test',
    );

    expect(
      () => buildDivinationRunPayload(
        params: params,
        yaoStates: const <YaoType>[YaoType.youngYang],
        threadId: 'de44f2fb-de0a-46b9-bbf2-e99ee36f2a2d',
        runId: 'run_1775210431957',
        clientNow: DateTime(2026, 4, 3, 18, 0, 31, 958),
      ),
      throwsArgumentError,
    );
  });

  test(
    'buildDivinationRunPayload throws when yaoStates contains undetermined',
    () {
      final params = DivinationParams(
        method: DivinationMethod.auto,
        questionType: QuestionType.career,
        question: '测试',
        divinationTime: DateTime(2026, 4, 3, 18, 0, 2),
        coinBalance: 0,
        userId: 'u_test',
      );

      expect(
        () => buildDivinationRunPayload(
          params: params,
          yaoStates: const <YaoType>[
            YaoType.youngYang,
            YaoType.youngYang,
            YaoType.youngYang,
            YaoType.oldYang,
            YaoType.oldYin,
            YaoType.undetermined,
          ],
          threadId: 'de44f2fb-de0a-46b9-bbf2-e99ee36f2a2d',
          runId: 'run_1775210431957',
          clientNow: DateTime(2026, 4, 3, 18, 0, 31, 958),
        ),
        throwsArgumentError,
      );
    },
  );
}