import { env } from "cloudflare:workers";

import type { ParsedIfHeader } from "@/worker/dav/if-header";
import { normalizeFilesPath, type NormalizedDavPath } from "@/worker/dav/paths";
import { createControlPlaneDb } from "@/worker/db/d1/client";
import { getSubjectById } from "@/worker/db/d1/repository";

export function name(prefix: string): string {
  return `${prefix}-${crypto.randomUUID()}`;
}

export function filePath(pathname: string): NormalizedDavPath {
  const result = normalizeFilesPath(pathname);
  if (!result.ok) throw new Error(`Invalid test path: ${pathname}`);
  return result.path;
}

export const emptyIfHeader: ParsedIfHeader = { lists: [] };

export async function storageIdFor(subjectId: string): Promise<string> {
  const subject = await getSubjectById(createControlPlaneDb(env.DAV_CONTROL_PLANE), subjectId);
  if (!subject) throw new Error(`Missing subject ${subjectId}`);
  return subject.storageId;
}