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', async () => process.env.XDG_SESSION_TYPE || 'unknown'],
  ['portal', async () => { await access('/usr/share/dbus-1/services/org.freedesktop.portal.Desktop.service', constants.F_OK); return 'installed'; }],
  ['pipewire', async () => { await run('sh', ['-lc', 'command -v pw-cat']); return 'installed'; }],
  ['at-spi', async () => { await run('sh', ['-lc', 'command -v gsettings']); return 'desktop tools present'; }],
  ['libei', async () => { await run('sh', ['-lc', 'ldconfig -p 2>/dev/null | grep -q libei']); return 'installed'; }],
  ['ydotool', async () => { await run('sh', ['-lc', 'command -v ydotool']); return 'optional fallback present'; }],
];

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