import { mkdir, mkdtemp, writeFile } from 'node:fs/promises';
import os from 'node:os';
import path from 'node:path';
import sharp from 'sharp';

// Builds a small content directory in /tmp so the tests don't depend on the real content.
export async function createFixture() {
  const dir = await mkdtemp(path.join(os.tmpdir(), 'site-content-'));
  const write = async (file, text) => {
    await mkdir(path.dirname(path.join(dir, file)), { recursive: true });
    await writeFile(path.join(dir, file), text);
  };

  await write('site.yml', 'name: Test\npronouns:\n  de: alle Pronomen\n  en: any pronouns\nemail: test@example.org\n');
  await write('home.yml', 'lead:\n  de: Hallo\n  en: Hello\nareas:\n  - visual: homelab\n    title: Homelab\n    link: homelab\n');
  await write('journey.yml', 'entries:\n  - title: Live\n    from: 2024\n  - title: Hidden\n    from: 2023\n    draft: true\n');
  await write('homelab.yml', 'draft: true\nservices:\n  - group: Web\n    items:\n      - name: nginx\n');
  await write('pages/journey.de.md', '---\ntitle: Werdegang\n---\nÜber mich');

  await write('projects/alpha/meta.yml', 'date: 2026-05\ntags: [web]\nfeatured: true\ncover: cover.png\nvideo: https://youtu.be/dQw4w9WgXcQ\n');
  await write('projects/alpha/de.md', '---\ntitle: Alpha\nsummary: Erstes Projekt\n---\nText mit Bild\n\n![Ein Bild](cover.png)\n');
  await sharp({ create: { width: 1200, height: 750, channels: 3, background: '#c011d7' } })
    .png()
    .toFile(path.join(dir, 'projects/alpha/cover.png'));

  await write('projects/beta/meta.yml', 'date: 2026-04\ntags: [video]\ndraft: true\n');
  await write('projects/beta/en.md', '---\ntitle: Beta\n---\nDraft');

  await write('projects/broken/meta.yml', 'tags: [oops\n');
  await write('projects/broken/de.md', '---\ntitle: Kaputt\n---\n');

  return dir;
}