const puppeteer = require('puppeteer');

(async () => {
  const url = process.argv[2] || 'http://127.0.0.1:8899/';
  const out = process.argv[3] || '/tmp/smi-shot/home.png';
  const width = parseInt(process.argv[4] || '1440', 10);

  const browser = await puppeteer.launch({
    headless: 'new',
    args: ['--no-sandbox', '--disable-setuid-sandbox', '--disable-dev-shm-usage', '--font-render-hinting=none'],
  });
  const page = await browser.newPage();
  await page.setViewport({ width, height: 1000, deviceScaleFactor: 1 });
  await page.goto(url, { waitUntil: 'networkidle0', timeout: 60000 });
  // Warten auf Fonts.
  await page.evaluate(async () => { if (document.fonts && document.fonts.ready) await document.fonts.ready; });
  await new Promise(r => setTimeout(r, 400));
  await page.screenshot({ path: out, fullPage: true });
  await browser.close();
  console.log('Screenshot gespeichert:', out);
})().catch(e => { console.error('SHOT_ERROR', e.message); process.exit(1); });