#!/usr/bin/env node
// Writes the ZIP samples of the page (src/lib/dkc/testing/zip.ts), as the
// ZipSink of src/lib/inspector/zipsink.ts writes them, into a directory for
// scripts/zip-go-read.go, and prints their index as JSON: the name, the file
// and the SHA-256 of each. The samples are deterministic: zipsink.test.ts
// writes them again and requires the same SHA-256. Node runs the TypeScript
// sources directly (type stripping, Node 22.6+):
//
//   node scripts/zip-ts-samples.mjs DIR > zip-samples.json

import { mkdirSync, writeFileSync } from 'node:fs';
import { join } from 'node:path';
import { sha256, toHex } from '../src/lib/dkc/bytes.ts';
import { writeZip, zipSamples } from '../src/lib/dkc/testing/zip.ts';

const dir = process.argv[2];
if (dir === undefined) throw new Error('usage: node scripts/zip-ts-samples.mjs DIR');
mkdirSync(dir, { recursive: true });
const samples = [];
for (const [i, s] of zipSamples().entries()) {
  const { bytes } = await writeZip(s);
  const file = `${i}.zip`;
  writeFileSync(join(dir, file), bytes);
  samples.push({ name: s.name, file, sha256: toHex(await sha256(bytes)) });
}
process.stdout.write(`${JSON.stringify({ generator: 'scripts/zip-ts-samples.mjs', samples }, null, 1)}\n`);