import { createHash } from 'node:crypto';
import { readFileSync, writeFileSync, mkdirSync } from 'node:fs';
import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';
import { buildStandalone, bundleRuntime } from './build-xzbt.mjs';

const root = resolve(dirname(fileURLToPath(import.meta.url)), '..');
export function buildAudioAcceptance(outputPath = resolve(root, 'prototypes/phase3/XZBT-audio-acceptance.html')) {
  const runtime = buildStandalone();
  const challengeSource = readFileSync(resolve(root, 'exhibits/audio-challenge.xzbt'), 'utf8');
  const stressSource = readFileSync(resolve(root, 'exhibits/audio-protection-stress.xzbt'), 'utf8');
  const digest = source => createHash('sha256').update(source).digest('hex');
  const metadata = { runtimeSha256: runtime.sha256, challengeSha256: digest(challengeSource), stressSha256: digest(stressSource), workload: 'phase3c4-overlap-v1', seed: 42, warmupSeconds: 30, measurementSeconds: 120 };
  const source = `${bundleRuntime(false)}\nconst ACCEPTANCE_BUILD = ${JSON.stringify(metadata)};\nconst CHALLENGE = ${challengeSource};\nconst STRESS = ${stressSource};\n${readFileSync(resolve(root, 'tools/audio-acceptance.js'), 'utf8')}`;
  const template = readFileSync(resolve(root, 'prototypes/phase3/acceptance.template.html'), 'utf8');
  const artifact = template.replace('/*__ACCEPTANCE_SCRIPT__*/', () => `'use strict';\n(() => {\n${source}\n})();`).replace(/\r\n/g, '\n');
  mkdirSync(dirname(outputPath), { recursive: true });
  writeFileSync(outputPath, artifact);
  return { outputPath, sha256: digest(artifact), bytes: Buffer.byteLength(artifact) };
}
if (process.argv[1] && resolve(process.argv[1]) === fileURLToPath(import.meta.url)) console.log(JSON.stringify(buildAudioAcceptance(), null, 2));