import { writeFile, unlink } from 'fs/promises';
import { join } from 'path';

export async function saveFile(uploadDir: string, storedName: string, data: Buffer): Promise<string> {
  await writeFile(join(uploadDir, storedName), data);
  return storedName;
}

export function getFilePath(uploadDir: string, storedName: string): string {
  return join(uploadDir, storedName);
}

export async function deleteStoredFile(uploadDir: string, storedName: string): Promise<void> {
  try {
    await unlink(join(uploadDir, storedName));
  } catch (err: unknown) {
    if ((err as NodeJS.ErrnoException).code !== 'ENOENT') {
      throw err;
    }
  }
}