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

void main() {
  test('params contains valid fields', () {
    final params = DivinationParams(
      method: DivinationMethod.manual,
      questionType: QuestionType.career,
      question: '测试问题',
      divinationTime: DateTime(2026, 4, 3, 10, 30),
      coinBalance: 8,
      userId: 'u_test',
    );

    expect(params.method, DivinationMethod.manual);
    expect(params.questionType, QuestionType.career);
    expect(params.coinBalance, greaterThan(0));
    expect(params.userId, isNotEmpty);
  });

  test('toPayload returns normalized payload map', () {
    final params = DivinationParams(
      method: DivinationMethod.auto,
      questionType: QuestionType.health,
      question: '最近体检是否顺利',
      divinationTime: DateTime(2026, 4, 3, 10, 30),
      coinBalance: 6,
      userId: 'mock_2',
    );

    final payload = params.toPayload();
    expect(payload['method'], 'auto');
    expect(payload['questionType'], 'health');
    expect(payload['question'], '最近体检是否顺利');
    expect(payload['coinBalance'], 6);
    expect(payload['userId'], 'mock_2');
  });

  test('toBinary and toChangedBinary mappings are correct', () {
    final params = DivinationParams(
      method: DivinationMethod.manual,
      questionType: QuestionType.career,
      question: '测试问题',
      divinationTime: DateTime(2026, 4, 3, 10, 30),
      coinBalance: 8,
      userId: 'u_test',
    );
    final states = <YaoType>[
      YaoType.oldYin,
      YaoType.youngYang,
      YaoType.youngYin,
      YaoType.oldYang,
      YaoType.youngYang,
      YaoType.oldYin,
    ];

    expect(params.toBinary(states), '010110');
    expect(params.toChangedBinary(states), '110011');
  });
}