import { Page, expect } from '@playwright/test';
import { BasePage } from './BasePage';
import { PATHS } from '../config/staging-config';

/**
 * Page object representing the login page
 */
export class LoginPage extends BasePage {
  // Login form elements
  private readonly usernameInput = '#user_login';
  private readonly passwordInput = '#user_pass';
  private readonly loginButton = '#wp-submit';
  private readonly rememberMeCheckbox = '#rememberme';
  private readonly loginError = '.login-error, .login_error';
  private readonly forgotPasswordLink = 'a.forgot-password, a:text("Lost your password?")';

  constructor(page: Page) {
    super(page);
  }

  /**
   * Navigate to the login page
   */
  async navigate(): Promise<void> {
    await this.page.goto(PATHS.login);
    await this.page.waitForSelector(this.usernameInput);
  }
  
  /**
   * Alternative name for navigate for backward compatibility
   */
  async navigateToLogin(): Promise<void> {
    await this.navigate();
  }

  /**
   * Login with provided credentials
   * @param username Username or email
   * @param password Password
   */
  async login(username: string, password: string): Promise<void> {
    this.log(`Logging in as ${username}`);
    await this.page.fill(this.usernameInput, username);
    await this.page.fill(this.passwordInput, password);
    await this.page.click(this.loginButton);
    await this.page.waitForLoadState('networkidle');
  }

  /**
   * Check if we're logged in
   */
  async isLoggedIn(): Promise<boolean> {
    const url = await this.getUrl();
    return url.includes('hvac-dashboard');
  }

  /**
   * Check if username field is visible
   */
  async isUsernameFieldVisible(): Promise<boolean> {
    return await this.page.isVisible(this.usernameInput);
  }

  /**
   * Get error message if login failed
   */
  async getErrorMessage(): Promise<string | null> {
    if (await this.page.isVisible(this.loginError)) {
      return await this.page.textContent(this.loginError);
    }
    return null;
  }

  /**
   * Click on "forgot password" link
   */
  async clickForgotPassword(): Promise<void> {
    await this.page.click(this.forgotPasswordLink);
    await this.page.waitForLoadState('networkidle');
  }

  /**
   * Toggle "remember me" checkbox
   * @param check If true, check the box; if false, uncheck it
   */
  async setRememberMe(check: boolean): Promise<void> {
    const isChecked = await this.page.isChecked(this.rememberMeCheckbox);
    if (check !== isChecked) {
      await this.page.click(this.rememberMeCheckbox);
    }
  }
}