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

import { contextForUser, latestMailFor, tokenFromMail } from './helpers';

/**
 * M1 auth regression pack. Runs against a full local stack with Mailpit
 * (CI job `auth-e2e`, or `deploy/compose` dev stack locally); skipped
 * where no mail catcher is available (e.g. the CD smoke run against a
 * deployed stage — that pipeline runs e2e/smoke.spec.ts only anyway).
 */
const MAILPIT_URL = process.env.E2E_MAILPIT_URL;
test.skip(!MAILPIT_URL, 'requires a Mailpit instance (E2E_MAILPIT_URL)');

const BASE_URL = process.env.E2E_BASE_URL ?? 'http://localhost:5173';

test('full signup journey: register, mail, verify, first login', async ({ page }) => {
  const stamp = Date.now().toString(36);
  const username = `e2e-${stamp}`;
  const email = `${username}@dorfteich.test`;
  const password = 'ein sehr langes e2e passwort';

  await page.goto('/signup');
  await page.getByLabel(/username|benutzername/i).fill(username);
  await page.getByLabel(/e-mail/i).fill(email);
  await page.getByLabel(/display name|anzeigename/i).fill(username);
  await page.getByLabel(/^password|^passwort/i).fill(password);
  await page.getByRole('button', { name: /register|registrieren/i }).click();

  await expect(page.getByRole('heading', { name: /inbox|postfach/i })).toBeVisible();

  const mail = await latestMailFor(MAILPIT_URL!, email);
  const token = tokenFromMail(mail.text);

  await page.goto(`/verify-email?token=${token}`);
  await expect(page.getByRole('heading', { name: /confirmed|bestätigt/i })).toBeVisible();

  await page.getByRole('link', { name: /sign-in|anmeldung/i }).click();
  await page.getByLabel(/username or e-mail|benutzername oder e-mail/i).fill(username);
  await page.getByLabel(/^password|^passwort/i).fill(password);
  await page.getByRole('button', { name: /sign in|anmelden/i }).click();

  // Signed in: the user menu shows the display name.
  await expect(page.getByRole('button', { name: username })).toBeVisible();
});

test('login rejects a wrong password with a visible error', async ({ page }) => {
  await page.goto('/login');
  await page.getByLabel(/username or e-mail|benutzername oder e-mail/i).fill('fixture-user');
  await page.getByLabel(/^password|^passwort/i).fill('definitiv falsch');
  await page.getByRole('button', { name: /sign in|anmelden/i }).click();
  await expect(page.getByRole('alert')).toBeVisible();
});

test('anonymous visitors are redirected to login and return after', async ({ page }) => {
  await page.goto('/settings');
  await expect(page).toHaveURL(/\/login\?next=%2Fsettings/);
  await page.getByLabel(/username or e-mail|benutzername oder e-mail/i).fill('fixture-user');
  await page.getByLabel(/^password|^passwort/i).fill('fixture passwort 123');
  await page.getByRole('button', { name: /sign in|anmelden/i }).click();
  // Surface the server answer in CI logs instead of a bare URL mismatch.
  const alert = page.getByRole('alert');
  await Promise.race([
    page.waitForURL(/\/settings/),
    alert.waitFor().then(async () => {
      throw new Error(`login failed with: ${await alert.textContent()}`);
    }),
  ]);
});

test('fixture user signs out via the menu', async ({ browser }) => {
  const context = await contextForUser(browser, BASE_URL, 'fixture-user');
  const page = await context.newPage();
  await page.goto('/');
  await page.getByRole('button', { name: 'Fixture User' }).click();
  await page.getByRole('menuitem', { name: /sign out|abmelden/i }).click();
  await expect(page).toHaveURL(/\/login/);
  await context.close();
});

test('admin menu and page are reserved for site admins', async ({ browser }) => {
  const admin = await contextForUser(browser, BASE_URL, 'fixture-admin');
  const adminPage = await admin.newPage();
  await adminPage.goto('/admin');
  await expect(adminPage.getByRole('heading', { name: /administration/i })).toBeVisible();
  await admin.close();

  const member = await contextForUser(browser, BASE_URL, 'fixture-user');
  const memberPage = await member.newPage();
  await memberPage.goto('/admin');
  // Non-admins are bounced to the start page.
  await expect(memberPage).toHaveURL(/\/$/);
  await member.close();
});

test('profile display-name change shows up in the top bar', async ({ browser }) => {
  const context = await contextForUser(browser, BASE_URL, 'fixture-user');
  const page = await context.newPage();
  await page.goto('/settings');
  const nameField = page.getByLabel(/display name|anzeigename/i);
  await nameField.fill('Fixture Umbenannt');
  await page
    .getByRole('button', { name: /^save$|^speichern$/i })
    .first()
    .click();
  await expect(page.getByRole('button', { name: 'Fixture Umbenannt' })).toBeVisible();
  // Restore for the next run (idempotent pack).
  await nameField.fill('Fixture User');
  await page
    .getByRole('button', { name: /^save$|^speichern$/i })
    .first()
    .click();
  await expect(page.getByRole('button', { name: 'Fixture User' })).toBeVisible();
  await context.close();
});