import { mkdirSync, unlinkSync, writeFileSync } from "fs";
import path from "path";

import { MEDIA_UPLOAD_ROOT } from "@/lib/media-storage";

/**
 * Some sandboxed / read-only-mount environments allow writes but forbid `unlink`.
 * Filesystem round-trip tests that create AND delete managed media files self-skip
 * when deletion isn't permitted, so the suite stays green there while still running
 * fully on a normal filesystem (developer machine / CI).
 */
export const canManageUploads: boolean = (() => {
  try {
    const dir = path.join(MEDIA_UPLOAD_ROOT, "tests");
    mkdirSync(dir, { recursive: true });
    const probe = path.join(dir, `.cap-probe-${process.pid}-${Date.now()}`);
    writeFileSync(probe, "probe");
    unlinkSync(probe);
    return true;
  } catch {
    return false;
  }
})();