import { Agent, assertSdkVersion } from './qvac-master.js';
import { MODEL_PROFILES } from './model-profiles.js';

try {
  const sdkVersion = assertSdkVersion();
  const resources = await Agent.engine.resources();
  const hasGpu = Array.isArray(resources.gpus) && resources.gpus.length > 0;
  console.log(JSON.stringify({
    policy: 'gpu-required',
    hasGpu,
    backendHints: resources.drivers || {},
    gpus: resources.gpus || [],
    vramBytes: resources.vramBytes || 0,
    sdkVersion,
    profiles: MODEL_PROFILES,
  }, null, 2));
  if (!hasGpu) {
    console.error('gpu-doctor: QVAC did not observe a usable GPU; Jarvis will refuse CPU inference');
    process.exitCode = 1;
  }
} catch (error) {
  console.error(`gpu-doctor: ${error.message}`);
  process.exitCode = 1;
} finally {
  // Resource discovery initializes QVAC handles even without loading a model.
  // This one-shot command owns them and must close them before returning.
  // Bound cleanup in case a native handle never settles.
  const watchdog = setTimeout(() => {
    console.error('gpu-doctor: QVAC cleanup timed out');
    process.exit(1);
  }, 5000);
  try {
    await Agent.engine.close();
  } finally {
    clearTimeout(watchdog);
  }
  // Bare addons may retain handles after close; this diagnostic has no more
  // work to do. Never put this exit in the shared daemon/runtime lifecycle.
  if (globalThis.Bare) Bare.exit(process.exitCode || 0);
}