/**
 * 登录业务服务测试
 */

import { Test, TestingModule } from '@nestjs/testing';
import { LoginService } from './login.service';
import { LoginCoreService } from '../../../core/login_core/login_core.service';

describe('LoginService', () => {
  let service: LoginService;
  let loginCoreService: jest.Mocked<LoginCoreService>;

  const mockUser = {
    id: BigInt(1),
    username: 'testuser',
    email: 'test@example.com',
    phone: '+8613800138000',
    password_hash: '$2b$12$hashedpassword',
    nickname: '测试用户',
    github_id: null as string | null,
    avatar_url: null as string | null,
    role: 1,
    email_verified: false,
    status: 'active' as any,
    created_at: new Date(),
    updated_at: new Date()
  };

  beforeEach(async () => {
    const mockLoginCoreService = {
      login: jest.fn(),
      register: jest.fn(),
      githubOAuth: jest.fn(),
      sendPasswordResetCode: jest.fn(),
      resetPassword: jest.fn(),
      changePassword: jest.fn(),
      sendEmailVerification: jest.fn(),
      verifyEmailCode: jest.fn(),
      resendEmailVerification: jest.fn(),
      verificationCodeLogin: jest.fn(),
      sendLoginVerificationCode: jest.fn(),
      debugVerificationCode: jest.fn(),
    };

    const module: TestingModule = await Test.createTestingModule({
      providers: [
        LoginService,
        {
          provide: LoginCoreService,
          useValue: mockLoginCoreService,
        },
      ],
    }).compile();

    service = module.get<LoginService>(LoginService);
    loginCoreService = module.get(LoginCoreService);
  });

  it('should be defined', () => {
    expect(service).toBeDefined();
  });

  describe('login', () => {
    it('should login successfully', async () => {
      loginCoreService.login.mockResolvedValue({
        user: mockUser,
        isNewUser: false
      });

      const result = await service.login({
        identifier: 'testuser',
        password: 'password123'
      });

      expect(result.success).toBe(true);
      expect(result.data?.user.username).toBe('testuser');
      expect(result.data?.access_token).toBeDefined();
    });

    it('should handle login failure', async () => {
      loginCoreService.login.mockRejectedValue(new Error('用户名或密码错误'));

      const result = await service.login({
        identifier: 'testuser',
        password: 'wrongpassword'
      });

      expect(result.success).toBe(false);
      expect(result.error_code).toBe('LOGIN_FAILED');
    });
  });

  describe('register', () => {
    it('should register successfully', async () => {
      loginCoreService.register.mockResolvedValue({
        user: mockUser,
        isNewUser: true
      });

      const result = await service.register({
        username: 'testuser',
        password: 'password123',
        nickname: '测试用户'
      });

      expect(result.success).toBe(true);
      expect(result.data?.user.username).toBe('testuser');
      expect(result.data?.is_new_user).toBe(true);
    });
  });

  describe('verificationCodeLogin', () => {
    it('should login with verification code successfully', async () => {
      loginCoreService.verificationCodeLogin.mockResolvedValue({
        user: mockUser,
        isNewUser: false
      });

      const result = await service.verificationCodeLogin({
        identifier: 'test@example.com',
        verificationCode: '123456'
      });

      expect(result.success).toBe(true);
      expect(result.data?.user.email).toBe('test@example.com');
    });

    it('should handle verification code login failure', async () => {
      loginCoreService.verificationCodeLogin.mockRejectedValue(new Error('验证码错误'));

      const result = await service.verificationCodeLogin({
        identifier: 'test@example.com',
        verificationCode: '999999'
      });

      expect(result.success).toBe(false);
      expect(result.error_code).toBe('VERIFICATION_CODE_LOGIN_FAILED');
    });
  });

  describe('sendLoginVerificationCode', () => {
    it('should send login verification code successfully', async () => {
      loginCoreService.sendLoginVerificationCode.mockResolvedValue({
        code: '123456',
        isTestMode: true
      });

      const result = await service.sendLoginVerificationCode('test@example.com');

      expect(result.success).toBe(false); // 测试模式下返回false
      expect(result.data?.verification_code).toBe('123456');
      expect(result.error_code).toBe('TEST_MODE_ONLY');
    });
  });
});