import test from 'node:test';
import assert from 'node:assert/strict';
import { readFile } from 'node:fs/promises';

test('original W branding is restored and shared by favicon and image placeholders', async () => {
  const read = (file: string) => readFile(new URL(`../${file}`, import.meta.url), 'utf8');
  const [html, app, card, icon] = await Promise.all([
    read('index.html'), read('src/App.tsx'), read('src/Card.tsx'), read('public/original-logo.svg'),
  ]);
  assert.match(html, /rel="icon" type="image\/svg\+xml" href="\/original-logo.svg"/);
  assert.match(app, /className="brand-mark" aria-hidden="true">W/);
  assert.doesNotMatch(app + card + html, /Wikideck\.png/);
  assert.equal((icon.match(/<svg\b/g) ?? []).length, 1);
  assert.match(icon, /viewBox="0 0 64 64"/);
  assert.match(icon, /fill="#d4f77d"/);
});