import { expect, test } from '@playwright/test';
import { userByEmail } from '../../support/db';
import { randomEmail, randomPassword } from '../../support/gotrue';
import { fillRegistration, open, t, textOf } from '../../support/web';

/** Zaehlt Signup-Aufrufe der Seite (Krit. 2: „kein Aufruf“). */
function countSignups(page: import('@playwright/test').Page) {
  const calls: string[] = [];
  page.on('request', (r) => {
    if (r.method() === 'POST' && r.url().includes('/auth/v1/signup')) calls.push(r.url());
  });
  return calls;
}

test.describe('KTO-01 Kriterien 2, 3, 10 (web): Formularvalidierung', () => {
  test('KTO-01 Kriterium 2: ohne Altersbestaetigung erscheint der Fehlertext, es gibt keinen Signup-Aufruf', async ({ page }) => {
    const email = randomEmail();
    const calls = countSignups(page);
    await open(page, '/register');
    await fillRegistration(page, { email, password: randomPassword(), age: false });
    await page.getByRole('button', { name: 'Create account' }).click();

    await expect(textOf(page, t.ageNotConfirmed)).toBeVisible();
    await expect(page).toHaveURL(/\/register$/);
    expect(calls).toEqual([]);
    expect(await userByEmail(email)).toBeUndefined();
  });

  test('QUE-04 Kriterium 1: ohne Zustimmung erscheint der Fehlertext, es gibt keinen Signup-Aufruf', async ({ page }) => {
    const calls = countSignups(page);
    await open(page, '/register');
    await fillRegistration(page, { email: randomEmail(), password: randomPassword(), terms: false });
    await page.getByRole('button', { name: 'Create account' }).click();

    await expect(textOf(page, t.termsNotAccepted)).toBeVisible();
    expect(calls).toEqual([]);
  });

  test('KTO-01 Kriterium 3: zu kurzes Passwort zeigt am Feld, wie viele Zeichen fehlen, und sendet nichts', async ({ page }) => {
    const calls = countSignups(page);
    await open(page, '/register');
    await fillRegistration(page, { email: randomEmail(), password: 'kurz12345' });
    await page.getByRole('button', { name: 'Create account' }).click();

    // 9 von 10 Zeichen: noch 1 fehlt (AUTH-CFG-05).
    await expect(textOf(page, /1 more character needed/)).toBeVisible();
    expect(calls).toEqual([]);
  });

  test('KTO-01 Kriterium 3: sehr verbreitetes Passwort wird am Feld abgelehnt', async ({ page }) => {
    const calls = countSignups(page);
    await open(page, '/register');
    await fillRegistration(page, { email: randomEmail(), password: 'password123' });
    await page.getByRole('button', { name: 'Create account' }).click();

    await expect(textOf(page, /very common and easy to guess/)).toBeVisible();
    expect(calls).toEqual([]);
  });

  test('KTO-01 Kriterium 10: leerer Anzeigename zeigt den Fehler am Feld', async ({ page }) => {
    const calls = countSignups(page);
    await open(page, '/register');
    await fillRegistration(page, { email: randomEmail(), password: randomPassword(), displayName: '   ' });
    await page.getByRole('button', { name: 'Create account' }).click();

    await expect(textOf(page, 'Enter a display name.')).toBeVisible();
    expect(calls).toEqual([]);
  });
});