/**
 * Browser validation, in the environment the sandbox actually ships to:
 * the same suite as `npm run test:node`, on the browser's own WebGPU.
 * Results are posted to window.__RESULTS__ for the headless runner.
 */
import { requestSandboxDevice } from '../src/mgpu/session.ts';
import { runCases } from './cases.ts';

declare global {
  interface Window {
    __RESULTS__?: { ok: boolean; fatal?: string; lines: string[] };
  }
}

const logEl = document.getElementById('log')!;
const lines: string[] = [];
const log = (line: string): void => {
  lines.push(line);
  logEl.textContent = lines.join('\n');
};

(async () => {
  const { device, description } = await requestSandboxDevice();
  log(`adapter: ${description}`);
  const failures = await runCases(device, log);
  log(failures ? `${failures} failure(s)` : 'all tests passed');
  window.__RESULTS__ = { ok: failures === 0, lines };
})().catch((e) => {
  const fatal = e instanceof Error ? e.message : String(e);
  log(`fatal: ${fatal}`);
  window.__RESULTS__ = { ok: false, fatal, lines };
});