import { readdir } from 'fs/promises';
import { argv } from 'process';

const WINDOWS_APPS = 'C:/Program Files/WindowsApps';
const wotbPackageRegex = /7458BE2C\..+_\d+(\.\d+)+_x64__.+/;

const isDepot = argv.includes('--depot');

let data: string;
let compressed: boolean;

if (isDepot) {
  const [installationVersion] = await readdir(`../../depots/444202`);
  data = `../../depots/444202/${installationVersion}/Data`;
  compressed = true;
} else {
  const directories = await readdir(WINDOWS_APPS).then((files) =>
    files.filter((file) => wotbPackageRegex.test(file)),
  );

  if (directories.length !== 1) {
    throw new Error(
      `Expected 1 directory for WoTB Windows App, got ${directories.length}.`,
    );
  }

  const [windowsApp] = directories;
  data = `${WINDOWS_APPS}/${windowsApp}/Data`;
  compressed = false;
}

export const DATA = data;
export const DATA_COMPRESSED = compressed;