export function sanitizeOpenClawArchiveName(value: string) {
  const normalized = String(value || "")
    .normalize("NFKC")
    .replace(/[\\/:*?"<>|\u0000-\u001f]/g, "-")
    .replace(/\s+/g, " ")
    .replace(/^\.+|\.+$/g, "")
    .trim()
    .slice(0, 120);
  return normalized || `Claw文件夹-${Date.now()}`;
}

function sanitizeArchivePathSegment(value: string, fallback: string) {
  const normalized = String(value || "")
    .normalize("NFKC")
    .replace(/[\\:*?"<>|\u0000-\u001f]/g, "-")
    .replace(/\s+/g, " ")
    .replace(/^\.+|\.+$/g, "")
    .trim()
    .slice(0, 160);
  return normalized || fallback;
}

export function sanitizeOpenClawArchiveEntryPath(
  relativePath: string,
  fallbackFileName: string,
  index: number
) {
  const fallback = sanitizeArchivePathSegment(
    fallbackFileName,
    `文件-${index + 1}`
  );
  const segments = String(relativePath || fallback)
    .replace(/\\/g, "/")
    .split("/")
    .filter((segment) => segment && segment !== "." && segment !== "..")
    .slice(0, 30)
    .map((segment, segmentIndex) =>
      sanitizeArchivePathSegment(segment, `目录-${segmentIndex + 1}`)
    );
  return (segments.length > 0 ? segments : [fallback]).join("/");
}

export function countOpenClawArchiveRootFolders(paths: string[]) {
  return new Set(
    paths
      .map((path) => String(path || "").replace(/\\/g, "/").split("/")[0])
      .filter(Boolean)
  ).size;
}