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

export async function navigateAndWait(
  page: Page,
  route: string,
  options?: { timeout?: number }
) {
  const timeout = options?.timeout ?? 15_000;
  await page.goto(route, { waitUntil: 'networkidle', timeout });
  await page.waitForLoadState('domcontentloaded');
  // Allow Angular change detection to settle
  await page.waitForTimeout(500);
}

export async function assertNoAngularErrors(page: Page) {
  const errors: string[] = [];
  page.on('console', (msg) => {
    if (msg.type() === 'error' && msg.text().includes('NG0')) {
      errors.push(msg.text());
    }
  });
  await page.waitForTimeout(1000);
  expect(errors, `Angular errors found: ${errors.join(', ')}`).toHaveLength(0);
}

export async function assertPageHasContent(page: Page) {
  const bodyText = await page.locator('body').innerText();
  expect(
    bodyText.trim().length,
    'Page should have visible text content'
  ).toBeGreaterThan(10);
}

export async function getPageHeading(
  page: Page
): Promise<string | null> {
  const h1 = page.locator('h1').first();
  if (await h1.isVisible({ timeout: 3000 }).catch(() => false)) {
    return h1.innerText();
  }
  const h2 = page.locator('h2').first();
  if (await h2.isVisible({ timeout: 2000 }).catch(() => false)) {
    return h2.innerText();
  }
  return null;
}