import { Page } from '@playwright/test';
import { getEnvironmentConfig } from './environment';

const env = getEnvironmentConfig();

export const TEST_CREDENTIALS = {
  username: env.username,
  password: env.password,
  loginPath: process.env.TEST_LOGIN_PATH || '/neopaas/portal/login',
  dashboardPath: '/dashboard',
};

export async function loginAs(page: Page, identifier: string, password: string): Promise<void> {
  console.log('Starting login process...');

  // The initial navigation is the most failure-prone step on a loaded local
  // machine (headless browser launch/navigation can occasionally stall well
  // past a single timeout even though the server itself responds in ~1-3s) -
  // retry it in place rather than letting one slow navigation fail the whole
  // test and force an expensive full test-level retry.
  let lastError: unknown;
  for (let attempt = 1; attempt <= 3; attempt++) {
    try {
      await page.goto(TEST_CREDENTIALS.loginPath, { waitUntil: 'domcontentloaded' });
      lastError = undefined;
      break;
    } catch (error) {
      lastError = error;
      console.log(`Login page navigation attempt ${attempt} failed, retrying...`);
    }
  }
  if (lastError) throw lastError;

  await page.waitForTimeout(2000);

  // The button's own text is the language you'd switch TO, not the current
  // one - so it reads "English" while the page is in Arabic (click to go to
  // English), and "العربية" once already in English. The language preference
  // persists across logout/login (e.g. via localStorage), so on a second
  // login within the same test the page may already be in English - only
  // click when the button would actually switch TO English.
  console.log('Checking for language switcher...');

  const languageArticle = page.locator('article.ant-typography.font-poppins-500.css-1kfsfla').first();
  const isVisible = await languageArticle.isVisible({ timeout: 2000 }).catch(() => false);

  if (isVisible) {
    const text = (await languageArticle.textContent())?.trim();
    console.log(`Found language button with text: "${text}"`);
    if (text === 'English') {
      console.log('Clicking to switch language to English...');
      await languageArticle.click();
      await page.waitForTimeout(2000);
      console.log('✓ Language switched');
    } else {
      console.log('Already in English - no switch needed');
    }
  }

  console.log('Filling username...');
  await page.fill('input[type="email"], input[type="text"], input[name="email"], input[name="username"], input[placeholder*="email" i], input[placeholder*="username" i]', identifier);

  console.log('Filling password...');
  await page.fill('input[type="password"], input[name="password"]', password);

  console.log('Clicking login button...');
  await page.click('button[type="submit"], button:has-text("Login"), button:has-text("Sign in")');

  console.log('Waiting for redirect...');
  await page.waitForURL(/\/(dashboard|terminals)/, { timeout: 30000 }).catch(() => {
    console.log('Post-login URL not detected, checking for navigation...');
  });

  await page.waitForLoadState('domcontentloaded').catch(() => {});
  await page.waitForTimeout(2000);
  console.log('Login completed successfully');
}

export async function login(page: Page): Promise<void> {
  await loginAs(page, TEST_CREDENTIALS.username, TEST_CREDENTIALS.password);
}