import { createHash } from 'node:crypto';
import { mkdirSync, writeFileSync, readFileSync } from 'node:fs';
import { execFileSync } from 'node:child_process';
import { createRequire } from 'node:module';
const root = '/usr/local/lib/dsh-mgr';
const packages = [
  ['dsh-free-search', '0.8.5', 'https://registry.npmjs.org/dsh-free-search/-/dsh-free-search-0.8.5.tgz', 'MT00Xtypw9uk9QsqaiRmtVbYwnPON+HJY1lZjYritEvuwSe9ahgG9NVO43lUI+Eje2umrqUapaeqLRYf34DrZw=='],
  ['@deepseek-ai/schemastery', '3.18.4', 'https://registry.npmjs.org/@deepseek-ai/schemastery/-/schemastery-3.18.4.tgz', 'SSXO6tYuyrIqKVbmOnIq0s+riUywYzouFMcnBluHF9n4KMo2G8HvEzhCYj6pj2617/glOjbJuVInJ9hfONsjkg=='],
  ['@deepseek-ai/cosmokit', '1.8.5', 'https://registry.npmjs.org/@deepseek-ai/cosmokit/-/cosmokit-1.8.5.tgz', 'LXsrlem9z8dq4sLflj2yuCuYX7KqhdzF5hZly3eZyuTo8d6oDSOXuEgC5DbQWKW+lksm6zmOutQLsP/ma6wR6A=='],
  ['@standard-schema/spec', '1.1.0', 'https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz', 'l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w=='],
];
for (const [name, version, url, integrity] of packages) {
  const response = await fetch(url, { signal: AbortSignal.timeout(120000) });
  if (!response.ok) throw new Error('download failed: ' + name);
  const data = Buffer.from(await response.arrayBuffer());
  if (createHash('sha512').update(data).digest('base64') !== integrity) throw new Error('integrity mismatch: ' + name);
  const archive = `${root}/${name.split('/').pop()}-${version}.tgz`;
  writeFileSync(archive, data, { mode: 0o644 });
}
const hostManifest = '/usr/local/lib/node_modules/@deepseek-ai/dsh/package.json';
const destination = '/usr/local/lib/node_modules/@deepseek-ai/dsh/node_modules/dsh-free-search';
mkdirSync(destination, { recursive: true });
execFileSync('tar', ['-xzf', `${root}/dsh-free-search-0.8.5.tgz`, '--strip-components=1', '--no-same-owner', '-C', destination]);
execFileSync('chmod', ['-R', 'a+rX', destination]);
const pkg = JSON.parse(readFileSync(destination + '/package.json'));
if (pkg.name !== 'dsh-free-search' || pkg.version !== '0.8.5' || JSON.stringify(pkg.dependencies) !== JSON.stringify({ '@deepseek-ai/schemastery': '^3.18.4' })) throw new Error('unexpected free-search metadata');
const require = createRequire(hostManifest);
const semver = createRequire('/usr/local/lib/node_modules/npm/package.json')('semver');
for (const [name, range] of Object.entries({ ...pkg.peerDependencies, ...pkg.dependencies })) {
  if (name === 'react') {
    if (!['0.2.0-rc.1', '0.2.0-rc.2'].includes(require('./package.json').version)) throw new Error('unverified browser React host');
    continue;
  }
  const peer = require(name + '/package.json');
  if (!semver.satisfies(peer.version, range)) throw new Error('incompatible free-search host dependency: ' + name);
}
const host = JSON.parse(readFileSync(hostManifest));
host.dependencies = { ...host.dependencies, 'dsh-free-search': '0.8.5' };
writeFileSync(hostManifest, JSON.stringify(host, null, 2));
console.log('Installed dsh-free-search@0.8.5 and pinned offline dependency archives (SHA-512 verified; no lifecycle scripts)');