import { access } from 'node:fs/promises';
import { constants } from 'node:fs';
import { execFile } from 'node:child_process';
import { promisify } from 'node:util';

const run = promisify(execFile);
const checks = [
  ['session', false, async () => process.env.XDG_SESSION_TYPE || 'unknown'],
  ['portal', false, async () => { await access('/usr/share/dbus-1/services/org.freedesktop.portal.Desktop.service', constants.F_OK); return 'installed'; }],
  ['pipewire', false, async () => { await run('which', ['pw-cat']); return 'installed'; }],
  ['at-spi', false, async () => { await run('python3', ['-c', 'import gi; gi.require_version("Atspi", "2.0"); from gi.repository import Atspi']); return 'PyGObject Atspi available'; }],
  ['libei', false, async () => { const result = await run('ldconfig', ['-p']); if (!/libei|libeis/.test(result.stdout)) throw new Error('libei/libeis not found'); return 'libei/libeis installed'; }],
  ['ydotool', true, async () => { await run('which', ['ydotool']); return 'optional fallback present'; }],
];

let failed = 0;
for (const [name, optional, check] of checks) {
  try { console.log(`ok   ${name}: ${await check()}${optional ? ' (optional)' : ''}`); }
  catch { if (!optional) failed += 1; console.log(`---- ${name}: unavailable${optional ? ' (optional)' : ''}`); }
}
console.log(failed ? `cu-doctor: ${failed} required checks unavailable` : 'cu-doctor: required checks passed');
process.exitCode = failed ? 1 : 0;