/**
 * Preflight: ensure the @rmdes/indiekit-startup-gate signal file exists.
 *
 * The startup-gate module polls for /app/data/.indiekit-ready before starting
 * background tasks (inbox processor, key refresh, batch refollow). This path
 * is a Cloudron convention; on this FreeBSD server it never gets created
 * automatically, so the inbox queue processor never starts.
 *
 * This preflight creates the file unconditionally on every serve, which makes
 * waitForReady() fire immediately at startup rather than waiting forever.
 */

import { mkdirSync, closeSync, openSync, constants } from "node:fs";

const SIGNAL_PATH = "/app/data/.indiekit-ready";

try {
  mkdirSync("/app/data", { recursive: true });
  // O_CREAT | O_WRONLY — creates file if missing, no-ops if it exists
  closeSync(openSync(SIGNAL_PATH, constants.O_CREAT | constants.O_WRONLY));
  console.log(`[preflight] startup-gate signal file ready: ${SIGNAL_PATH}`);
} catch (error) {
  // Non-fatal — log and continue; startup-gate will poll instead
  console.warn(`[preflight] Could not create startup-gate signal: ${error.message}`);
}