import { Page, Locator } from '@playwright/test';

export class LoginPage {
  readonly page: Page;
  readonly usernameInput: Locator;
  readonly passwordInput: Locator;
  readonly loginButton: Locator;
  readonly errorMessage: Locator;

  constructor(page: Page) {
    this.page = page;
    this.usernameInput = page.locator('input[placeholder*="用户名"], input[id="username"], input[name="username"]');
    this.passwordInput = page.locator('input[placeholder*="密码"], input[id="password"], input[name="password"]');
    this.loginButton = page.locator('button[type="submit"], button:has-text("登录")');
    this.errorMessage = page.locator('.ant-message-error, .ant-alert-error, .error-message');
  }

  async goto() {
    await this.page.goto('/auth/login');
    await this.page.waitForLoadState('networkidle');
  }

  async login(username: string, password: string) {
    await this.usernameInput.fill(username);
    await this.passwordInput.fill(password);
    await this.loginButton.click();
  }

  async loginAsAdmin() {
    await this.login('admin', 'admin123');
  }

  async getErrorMessage(): Promise<string> {
    await this.errorMessage.waitFor({ state: 'visible', timeout: 5000 });
    return await this.errorMessage.textContent() || '';
  }
}