import fs from 'node:fs';
import path from 'node:path';
import { Readable } from 'node:stream';
import { finished } from 'stream/promises';

export async function ensurePathForFile(filePath: string) {
  const dirPath = path.dirname(filePath);
  await fs.promises.mkdir(dirPath, { recursive: true });
}

export async function writeFileAndCreateFolders(
  filePath: string,
  data: Readable | string | Buffer,
) {
  await ensurePathForFile(filePath);

  if (data instanceof Readable) {
    const write = fs.createWriteStream(filePath, {
      flags: 'wx',
    });
    return finished(data.pipe(write));
  }
  if (data instanceof Buffer) {
    return fs.promises.writeFile(filePath, data);
  }
  return fs.promises.writeFile(filePath, data, 'utf8');
}