#!/usr/bin/env node
/** Print a terminal QR for stdin (or argv[2]) — raw payload only. */
import qrcode from 'qrcode';

const fromArg = process.argv[2];
const payload = fromArg
  ? fromArg
  : (await new Response(process.stdin).text()).trim();

if (!payload) {
  console.error('usage: qr-cert.mjs <base64-der>   or pipe payload on stdin');
  process.exit(1);
}

const out = await qrcode.toString(payload, {
  type: 'terminal',
  errorCorrectionLevel: 'L',
  small: true,
});
process.stdout.write(out);