#!/usr/bin/env node

/**
 * Tests for the CMS user guide:
 *   1. markdown renderer unit checks (headings, bold, code, lists, links, escaping)
 *   2. /guide endpoint integration — auth-protected, serves the rendered guide
 *   3. the main editor page contains the Súgó menu link
 */
const assert = require('assert/strict');
const fs = require('fs');
const os = require('os');
const path = require('path');
const { spawn } = require('child_process');

const { renderMarkdown } = require('../scripts/markdown-render');

// ── 1. Markdown renderer ─────────────────────────────────────────────────────

const rendered = renderMarkdown([
  '# Cím',
  '',
  'Ez **félkövér** és `kód`, valamint [link](https://example.com).',
  '',
  '- első',
  '- második',
  '',
  '1. lépés',
  '2. lépés',
  '',
  '---',
  '',
  '<script>alert(1)</script>',
].join('\n'));

assert.match(rendered, /<h1>Cím<\/h1>/);
assert.match(rendered, /<strong>félkövér<\/strong>/);
assert.match(rendered, /<code>kód<\/code>/);
assert.match(rendered, /<a href="https:\/\/example\.com"[^>]*>link<\/a>/);
assert.match(rendered, /<ul>\s*<li>első<\/li>\s*<li>második<\/li>\s*<\/ul>/);
assert.match(rendered, /<ol>\s*<li>lépés<\/li>\s*<li>lépés<\/li>\s*<\/ol>/);
assert.match(rendered, /<hr>/);
// Raw HTML must be escaped, never executable
assert.doesNotMatch(rendered, /<script>alert/);
assert.match(rendered, /&lt;script&gt;/);
console.log('Markdown renderer unit tests: OK');

// ── 2. /guide endpoint + Súgó menu link (real server) ───────────────────────

const PORT = 4124;
const BASE = `http://127.0.0.1:${PORT}`;
const ROOT = path.join(__dirname, '..');
const AUDIT_FILE = path.join(os.tmpdir(), `content-editor-audit-guide-${process.pid}.jsonl`);

const child = spawn('node', ['content-editor.js'], {
  cwd: ROOT,
  env: {
    ...process.env,
    CONTENT_EDITOR_PORT: String(PORT),
    CONTENT_EDITOR_AUDIT_FILE: AUDIT_FILE,
    CMS_USER: 'guide-test-user',
    CMS_PASS: 'guide-test-pass',
    CMS_DEPLOY_ENV: 'staging',
  },
  stdio: 'ignore',
});

async function waitForServer(timeoutMs = 10000) {
  const deadline = Date.now() + timeoutMs;
  while (Date.now() < deadline) {
    try {
      await fetch(`${BASE}/logout`); // rate-limit-free readiness probe
      return;
    } catch {
      await new Promise(r => setTimeout(r, 200));
    }
  }
  throw new Error('server did not start');
}

async function main() {
  await waitForServer();

  const auth = 'Basic ' + Buffer.from('guide-test-user:guide-test-pass').toString('base64');

  // /guide requires authentication
  const unauth = await fetch(`${BASE}/guide`);
  assert.equal(unauth.status, 401);

  // /guide serves the rendered markdown as HTML
  const guide = await fetch(`${BASE}/guide`, { headers: { Authorization: auth } });
  assert.equal(guide.status, 200);
  assert.match(guide.headers.get('content-type') || '', /text\/html/);
  const guideHtml = await guide.text();
  assert.match(guideHtml, /Felhasználói útmutató/);
  assert.match(guideHtml, /<h2[^>]*>.*Content Editor/); // rendered from the markdown source

  // The guide file must exist in the repo (maintenance contract)
  assert.ok(fs.existsSync(path.join(ROOT, 'docs', 'felhasznaloi-utmutato.md')));

  // The editor page exposes the Súgó menu entry
  const editor = await fetch(`${BASE}/`, { headers: { Authorization: auth } });
  const editorHtml = await editor.text();
  assert.match(editorHtml, /href="\/guide"[^>]*>❓ Súgó/);

  console.log('Content Editor guide endpoint test: OK');
}

main()
  .catch(err => { console.error('❌', err.message); process.exitCode = 1; })
  .finally(() => {
    child.kill('SIGTERM');
    try { fs.unlinkSync(AUDIT_FILE); } catch { /* already gone */ }
  });