import { invoke } from '@tauri-apps/api/core';
import { join } from '@tauri-apps/api/path';
import { buildDownloadUrl } from '../api/subsonicStreamUrl';
import type { SubsonicPlaylist } from '../api/subsonicTypes';
import { useZipDownloadStore } from '../store/zipDownloadStore';
import { sanitizeFilename } from './playlistDetailHelpers';

export interface RunPlaylistZipDownloadDeps {
  playlist: SubsonicPlaylist;
  id: string;
  downloadFolder: string | null;
  requestDownloadFolder: () => Promise<string | null>;
  setZipDownloadId: (id: string | null) => void;
}

export async function runPlaylistZipDownload(deps: RunPlaylistZipDownloadDeps): Promise<void> {
  const { playlist, id, downloadFolder, requestDownloadFolder, setZipDownloadId } = deps;
  const folder = downloadFolder || await requestDownloadFolder();
  if (!folder) return;

  const filename = `${sanitizeFilename(playlist.name)}.zip`;
  const destPath = await join(folder, filename);
  const url = buildDownloadUrl(id);
  const downloadId = crypto.randomUUID();

  const { start, complete, fail } = useZipDownloadStore.getState();
  start(downloadId, filename);
  setZipDownloadId(downloadId);
  try {
    await invoke('download_zip', { id: downloadId, url, destPath });
    complete(downloadId);
  } catch (e) {
    fail(downloadId);
    console.error('ZIP download failed:', e);
  }
}