import { test, expect } from '@playwright/test';
import { LoginPage } from './pages/LoginPage';
import { DashboardPage } from './pages/DashboardPage';
import { UserManagementPage } from './pages/UserManagementPage';
import { TestDataManager } from './utils/testDataManager';
import { TestHelper } from './utils/testHelper';

test.describe('用户管理异常场景测试', () => {
  let loginPage: LoginPage;
  let dashboardPage: DashboardPage;
  let userManagementPage: UserManagementPage;

  test.beforeEach(async ({ page }) => {
    loginPage = new LoginPage(page);
    dashboardPage = new DashboardPage(page);
    userManagementPage = new UserManagementPage(page);
    
    await loginPage.goto();
    await loginPage.login('admin', 'admin123');
  });

  test('创建用户 - 重复用户名', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试创建重复用户名的用户', async () => {
      await userManagementPage.clickCreateUser();
      await TestHelper.waitForElementVisible(page, '.el-dialog');

      const userData = {
        username: 'admin',
        nickname: '重复用户',
        email: 'duplicate@example.com',
        phone: '13800138000',
        password: 'Test123!@#',
        confirmPassword: 'Test123!@#',
      };

      await userManagementPage.fillUserForm(userData);
      await userManagementPage.submitForm();
    });

    await test.step('验证错误消息', async () => {
      await TestHelper.waitForErrorMessage(page);
      const errorMessage = await TestHelper.getElementText(page, '.el-message__content');
      expect(errorMessage).toContain('用户名已存在');
    });
  });

  test('创建用户 - 无效邮箱格式', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试创建无效邮箱的用户', async () => {
      await userManagementPage.clickCreateUser();
      await TestHelper.waitForElementVisible(page, '.el-dialog');

      const userData = {
        username: `testuser_${Date.now()}`,
        nickname: '测试用户',
        email: 'invalid-email',
        phone: '13800138000',
        password: 'Test123!@#',
        confirmPassword: 'Test123!@#',
      };

      await userManagementPage.fillUserForm(userData);
      await userManagementPage.submitForm();
    });

    await test.step('验证表单验证错误', async () => {
      const emailInput = page.locator('input[name="email"]');
      const hasError = await emailInput.evaluate(el => el.classList.contains('is-error'));
      expect(hasError).toBeTruthy();
    });
  });

  test('创建用户 - 密码强度不足', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试创建密码强度不足的用户', async () => {
      await userManagementPage.clickCreateUser();
      await TestHelper.waitForElementVisible(page, '.el-dialog');

      const userData = {
        username: `testuser_${Date.now()}`,
        nickname: '测试用户',
        email: 'test@example.com',
        phone: '13800138000',
        password: '123',
        confirmPassword: '123',
      };

      await userManagementPage.fillUserForm(userData);
      await userManagementPage.submitForm();
    });

    await test.step('验证密码强度错误', async () => {
      const passwordInput = page.locator('input[name="password"]');
      const hasError = await passwordInput.evaluate(el => el.classList.contains('is-error'));
      expect(hasError).toBeTruthy();
    });
  });

  test('创建用户 - 密码不匹配', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试创建密码不匹配的用户', async () => {
      await userManagementPage.clickCreateUser();
      await TestHelper.waitForElementVisible(page, '.el-dialog');

      const userData = {
        username: `testuser_${Date.now()}`,
        nickname: '测试用户',
        email: 'test@example.com',
        phone: '13800138000',
        password: 'Test123!@#',
        confirmPassword: 'DifferentPassword',
      };

      await userManagementPage.fillUserForm(userData);
      await userManagementPage.submitForm();
    });

    await test.step('验证密码不匹配错误', async () => {
      const confirmPasswordInput = page.locator('input[name="confirmPassword"]');
      const hasError = await confirmPasswordInput.evaluate(el => el.classList.contains('is-error'));
      expect(hasError).toBeTruthy();
    });
  });

  test('创建用户 - 缺少必填字段', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试创建缺少必填字段的用户', async () => {
      await userManagementPage.clickCreateUser();
      await TestHelper.waitForElementVisible(page, '.el-dialog');

      const userData = {
        username: '',
        nickname: '',
        email: '',
        phone: '',
        password: '',
        confirmPassword: '',
      };

      await userManagementPage.fillUserForm(userData);
      await userManagementPage.submitForm();
    });

    await test.step('验证必填字段验证', async () => {
      const submitButton = page.locator('.el-dialog__footer button[type="submit"]');
      const isDisabled = await submitButton.evaluate(el => el.disabled);
      expect(isDisabled).toBeTruthy();
    });
  });

  test('创建用户 - 无效手机号格式', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试创建无效手机号的用户', async () => {
      await userManagementPage.clickCreateUser();
      await TestHelper.waitForElementVisible(page, '.el-dialog');

      const userData = {
        username: `testuser_${Date.now()}`,
        nickname: '测试用户',
        email: 'test@example.com',
        phone: '123',
        password: 'Test123!@#',
        confirmPassword: 'Test123!@#',
      };

      await userManagementPage.fillUserForm(userData);
      await userManagementPage.submitForm();
    });

    await test.step('验证手机号格式错误', async () => {
      const phoneInput = page.locator('input[name="phone"]');
      const hasError = await phoneInput.evaluate(el => el.classList.contains('is-error'));
      expect(hasError).toBeTruthy();
    });
  });

  test('编辑用户 - 不存在的用户ID', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试编辑不存在的用户', async () => {
      await page.goto('/users/999999/edit');
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('验证404错误或重定向', async () => {
      const currentUrl = page.url();
      expect(currentUrl).toMatch(/(404|users)/);
    });
  });

  test('删除用户 - 不存在的用户ID', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试删除不存在的用户', async () => {
      const response = await page.request.delete('http://localhost:8084/api/users/999999');
      expect(response.status()).toBe(404);
    });
  });

  test('搜索用户 - 空搜索条件', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('执行空搜索', async () => {
      await userManagementPage.search('');
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('验证显示所有用户', async () => {
      const userCount = await userManagementPage.getUserCount();
      expect(userCount).toBeGreaterThan(0);
    });
  });

  test('搜索用户 - 不存在的用户名', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('搜索不存在的用户', async () => {
      await userManagementPage.search('nonexistentuser123456');
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('验证无结果', async () => {
      const userCount = await userManagementPage.getUserCount();
      expect(userCount).toBe(0);
    });
  });

  test('批量删除 - 未选择用户', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试批量删除未选择的用户', async () => {
      await page.click('button:has-text("批量删除")');
    });

    await test.step('验证提示消息', async () => {
      await TestHelper.waitForErrorMessage(page);
    });
  });

  test('导出用户 - 无数据', async ({ page, request }) => {
    await test.step('清空用户数据', async () => {
      const response = await request.delete('http://localhost:8084/api/users/test/cleanup');
      expect(response.ok()).toBeTruthy();
    });

    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试导出空数据', async () => {
      const downloadPromise = page.waitForEvent('download');
      await page.click('button:has-text("导出")');
      const download = await downloadPromise;
      
      expect(download.suggestedFilename()).toMatch(/users.*\.xlsx/);
    });
  });

  test('分页 - 超出范围页码', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('尝试访问超出范围的页码', async () => {
      await page.goto('/users?page=999999');
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('验证显示最后一页或第一页', async () => {
      const currentPage = await userManagementPage.getCurrentPage();
      expect(currentPage).toBeTruthy();
    });
  });

  test('网络错误 - 创建用户时断网', async ({ page }) => {
    await test.step('导航到用户管理页面', async () => {
      await dashboardPage.navigateToUserManagement();
      await TestHelper.waitForPageLoad(page);
    });

    await test.step('模拟网络错误', async () => {
      await page.route('**/api/users', route => route.abort('failed'));
    });

    await test.step('尝试创建用户', async () => {
      await userManagementPage.clickCreateUser();
      await TestHelper.waitForElementVisible(page, '.el-dialog');

      const userData = {
        username: `testuser_${Date.now()}`,
        nickname: '测试用户',
        email: 'test@example.com',
        phone: '13800138000',
        password: 'Test123!@#',
        confirmPassword: 'Test123!@#',
      };

      await userManagementPage.fillUserForm(userData);
      await userManagementPage.submitForm();
    });

    await test.step('验证网络错误提示', async () => {
      await TestHelper.waitForErrorMessage(page);
    });
  });
});