import fs from 'node:fs';
import path from 'node:path';
import crypto from 'node:crypto';
import vm from 'node:vm';
import { fileURLToPath } from 'node:url';

const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
const evidence = path.join(root, 'docs/workshop-v3-alignment-20261112');
const target = path.join(root, 'docs/workshop-quality-r13-20261110/final-康师傅工作坊操作手册.html');
const promptsFile = path.join(path.dirname(target), 'manual/workshop-dialogue-prompts.json');
const sha = bytes => crypto.createHash('sha256').update(bytes).digest('hex');
const source = fs.readFileSync(path.join(evidence, 'source-manual-v3.html'));
const sourceSha256 = sha(source);
if (sourceSha256 !== 'e8ed9dbd979c17f5caa88fb820f64f94a2e54518f810d7482b6b82f39d88041d') throw Error('V3_SOURCE_CHANGED');
const url = 'https://s3.fmode.cn/user/K0xKEZANOG/kangshifu/manual-v3/index.html';
const sourceText = source.toString('utf8');
const promptBlock = sourceText.match(/window\.PROMPTS\s*=\s*(\{[\s\S]*?\n\});/);
if (!promptBlock) throw Error('V3_PROMPTS_NOT_FOUND');
const prompts = vm.runInNewContext('(' + promptBlock[1] + ')', {}, { timeout: 1000 });
const archived = JSON.parse(fs.readFileSync(path.join(evidence, 'source-prompts-v3.json'), 'utf8'));
if (JSON.stringify(prompts) !== JSON.stringify(archived.prompts) || Object.keys(prompts).length !== 13) throw Error('V3_PROMPTS_DIFFER');
// Preserve in-page anchors; resolve only the overview links for the local final filename.
const linked = sourceText.replaceAll('href="../overview/index.html"',
  'href="https://s3.fmode.cn/user/K0xKEZANOG/kangshifu/overview/index.html"');
if (linked === sourceText) throw Error('OVERVIEW_LINK_NOT_FOUND');
// Some source tables lack the existing scroll wrapper; preserve their content and columns.
const responsiveTables = `<script id="ksf-v3-responsive-tables">
document.querySelectorAll('table.tbl').forEach(function(table) {
  if (table.closest('.tbl-scroll')) return;
  var wrapper = document.createElement('div');
  wrapper.className = 'tbl-scroll';
  wrapper.tabIndex = 0;
  wrapper.setAttribute('role', 'region');
  wrapper.setAttribute('aria-label', '表格，可横向滚动');
  table.before(wrapper);
  wrapper.appendChild(table);
});
</script>\n`;
const html = linked.replace('</body>', responsiveTables + '</body>');
const backup = path.join(evidence, 'retired-manual-before-v3');
fs.mkdirSync(backup, { recursive: true });
for (const file of [target, promptsFile]) {
  const name = path.join(backup, path.basename(file));
  if (!fs.existsSync(name)) fs.copyFileSync(file, name);
}
fs.writeFileSync(target, html);
fs.writeFileSync(promptsFile, JSON.stringify({ schema: 'ksf.workshop-prompts.v3', source: url, sourceSha256, prompts }, null, 2) + '\n');
const receipt = { ok: true, source: url, sourceSha256, finalManualSha256: sha(Buffer.from(html)),
  finalManualBytes: Buffer.byteLength(html), promptCount: 13, teachingContentChanged: false,
  adjustment: 'absolute overview links and scroll wrappers for unwrapped tables; all teaching text and prompts preserved',
  oldManualArchived: true, deployed: false };
fs.writeFileSync(path.join(evidence, 'manual-sync.json'), JSON.stringify(receipt, null, 2) + '\n');
console.log(JSON.stringify(receipt, null, 2));