import { authService } from '../auth.service';
import { AccountStatus } from '../auth.constants';

// Helper to clear localStorage and reset the mock DB before each test
beforeEach(() => {
  // Clear all localStorage keys used by dbService and authService
  Object.keys(localStorage).forEach(key => localStorage.removeItem(key));
});

describe('Authentication Integration Tests', () => {
  const username = 'testuser';
  const password = 'Passw0rd!';
  const email = 'testuser@example.com';

  test('User registration creates a pending account', async () => {
    const result = await authService.register(email, password, username);
    expect(result).toBeDefined();
    expect(result.user.username).toBe(username);
    expect(result.user.email).toBe(email);
    expect(result.user.status).toBe(AccountStatus.PENDING);
    expect(result.user.emailVerified).toBeFalsy();
  });

  test('Login fails for unverified (pending) account', async () => {
    await expect(authService.login({ email, password })).rejects.toThrow();
  });

  test('Email verification activates the account', async () => {
    // Register a user first to get the verification token
    const result = await authService.register(email, password, username);
    const verificationToken = result.verificationToken.token;

    const verifiedUser = await authService.verifyEmail(verificationToken);
    expect(verifiedUser.status).toBe(AccountStatus.ACTIVE);
    expect(verifiedUser.emailVerified).toBeTruthy();
  });

  test('Login succeeds after email verification', async () => {
    const tokens = await authService.login({ email, password });
    expect(tokens).toBeDefined();
    expect(tokens.accessToken).toBeTruthy();
    expect(tokens.refreshToken).toBeTruthy();
  });

  test('OAuth flow registers or logs in a user', async () => {
    const oauthEmail = 'oauthuser@example.com';
    const oauthName = 'OAuth User';
    const result = await authService.loginWithOAuth('google', {
      email: oauthEmail,
      username: oauthName,
    });
    expect(result).toBeDefined();
    expect(result.user.email).toBe(oauthEmail);
    // OAuth users should be active immediately
    expect(result.user.status).toBe(AccountStatus.ACTIVE);
    expect(result.user.emailVerified).toBeTruthy();
  });
});