import { writeFile } from 'node:fs/promises';
import nodePath from 'node:path';
import m3u from 'm3u';
import type { SongMeta } from './services/jellyfin.ts';

const createM3U = (name: string, songlist: SongMeta[]) => {
  const m3uWriter = m3u.writer();
  for (const song of songlist) {
    const extension = song.Path.split('.').pop();
    m3uWriter.file(`${song.Id}.${extension}`);
  }
  return m3uWriter.toString();
};

export const writeM3UFile = async (path: string, name: string, songlist: SongMeta[]) => {
  const contents = createM3U(name, songlist);
  return writeFile(nodePath.join(path, `${name}.m3u`), contents, 'utf8');
};