import { describe, it, expect, vi, beforeEach } from 'vitest';
import { AuthService } from '../../src/main/services/authService';
import { chromium } from 'playwright-core';

// 深度 Mock playwright-core
vi.mock('playwright-core', (): any => {
  const mockPage = {
    goto: vi.fn().mockResolvedValue(true),
    waitForSelector: vi.fn().mockReturnThis(),
    waitForTimeout: vi.fn().mockResolvedValue(true),
  };

  const mockFrame = {
    locator: vi.fn().mockReturnThis(),
    getByText: vi.fn().mockReturnThis(),
    getByRole: vi.fn().mockReturnThis(),
    waitFor: vi.fn().mockResolvedValue(true),
    click: vi.fn().mockResolvedValue(true),
    fill: vi.fn().mockResolvedValue(true),
    count: vi.fn().mockResolvedValue(0), 
    page: vi.fn().mockReturnValue(mockPage), 
    isDetached: vi.fn().mockReturnValue(false), 
  };

  mockPage.waitForSelector = vi.fn().mockResolvedValue({
    contentFrame: vi.fn().mockResolvedValue(mockFrame)
  });

  const mockContext = {
    newPage: vi.fn().mockResolvedValue(mockPage),
  };

  const mockBrowser = {
    newContext: vi.fn().mockResolvedValue(mockContext),
    close: vi.fn().mockResolvedValue(true),
  };

  return {
    chromium: {
      launch: vi.fn().mockResolvedValue(mockBrowser),
    },
  };
});

describe('AuthService', () => {
  let authService: AuthService;

  beforeEach(() => {
    authService = new AuthService();
    vi.clearAllMocks();
    process.env.NODE_ENV = 'production'; 
  });

  it('应该抛出错误，如果未提供且环境变量中也没有用户名或密码', async () => {
    // 终极修复：直接传入明确的空字符串。
    // 因为 authService 使用了 ?? 操作符，它会直接使用传入的空字符串，
    // 而不会退回去读取 ENV，从而完美触发异常。
    // 这样写彻底避免了修改全局 ENV 导致影响后续测试用例的“状态泄漏”问题。
    await expect(authService.login({ username: '', password: '' }))
      .rejects
      .toThrow('登录失败: 必须提供用户名和密码，或在 .env 中配置');
  });

  it('应该能读取环境变量并成功执行登录流程', async () => {
    const result = await authService.login({
      headless: true, 
    });

    expect(chromium.launch).toHaveBeenCalled();
    expect(result).toHaveProperty('browser');
    expect(result).toHaveProperty('page');
    expect(result).toHaveProperty('mainFrame');
  });

  it('登出操作应该按顺序点击头像和退出按钮', async () => {
    const mockBrowser = await chromium.launch();
    const mockContext = await mockBrowser.newContext();
    const mockPage = await mockContext.newPage();

    // 直接传入 Page 对象，触发内部的重新寻找 iframe 逻辑
    await authService.logout(mockPage as any);

    // 验证对应的选择器是否被正确调用
    const mockFrameEl = await mockPage.waitForSelector('#forwardFrame');
    const mockFrame = await mockFrameEl.contentFrame();

    expect(mockFrame!.getByRole).toHaveBeenCalledWith('img', { name: 'logo' });
    expect(mockFrame!.getByText).toHaveBeenCalledWith('退出登录');
  });
});