Rate limits

async function permitcoreWithRetry(path, attempt = 1) {
  const res = await fetch(`https://api.permitcore.io${path}`, {
    headers: { Authorization: `Bearer ${process.env.PERMITCORE_API_KEY}` },
  });
  if (res.status === 429) {
    const body = await res.json();
    const retryAfter = Number(
      res.headers.get("retry-after") ?? body.retry_after_seconds ?? 0,
    );

    // Sleep the indicated duration and retry. Same logic for daily +
    // monthly — quota_kind only matters for the user-facing narrative.
    if (attempt < 3 && retryAfter > 0) {
      await new Promise((r) => setTimeout(r, retryAfter * 1000));
      return permitcoreWithRetry(path, attempt + 1);
    }
    throw new Error(
      `Rate limited (quota_kind=${body.quota_kind}, tier=${body.tier_name}). ` +
      `Limit ${body.limit}; check usage at /account/api-keys.`,
    );
  }
  if (!res.ok) throw new Error(`HTTP ${res.status}`);
  return res.json();
}