const API_ORIGIN =
  (process.env.NEXT_PUBLIC_API_URL ?? "http://localhost:8000/api/v1").replace(/\/api\/v1\/?$/, "");

/** Resolve subject/media URLs returned from API (absolute or /storage/...). */
export function mediaUrl(path?: string | null): string | null {
  if (!path) return null;
  if (path.startsWith("http://") || path.startsWith("https://")) return path;
  if (path.startsWith("/")) return `${API_ORIGIN}${path}`;
  return `${API_ORIGIN}/${path}`;
}