import { mkdirSync, existsSync, writeFileSync, readFileSync, readdirSync, lstatSync } from 'node:fs';
import { join } from 'node:path';
const home = process.env.DSH_HOME;
if (!home) throw new Error('DSH_HOME required');
const profile = join(home, 'profiles/web');
for (const dir of [home, join(home, 'profiles'), profile]) {
  try {
    const stat = lstatSync(dir);
    if (!stat.isDirectory() || stat.isSymbolicLink()) throw new Error('unsafe profile directory');
  } catch (error) { if (error.code !== 'ENOENT') throw error; }
}
// Never rewrite an existing user manifest or patch.
if (!existsSync(profile) || readdirSync(profile).length === 0) {
  mkdirSync(profile, { recursive: true });
  writeFileSync(join(profile, 'package.json'), JSON.stringify({
    name: 'dsh-profile-web', private: true,
    dependencies: { 'dsh-chat-manager': 'file:/usr/local/lib/dsh-mgr/dsh-chat-manager-1.5.12-dsh-mgr.1.tgz', 'dsh-mgr-workspace': 'file:/usr/local/lib/dsh-mgr/dsh-mgr-workspace-1.0.0.tgz', 'dsh-web-mobile': 'file:/usr/local/lib/dsh-mgr/dsh-web-mobile-3.0.5.tgz', 'dsh-free-search': 'file:/usr/local/lib/dsh-mgr/dsh-free-search-0.8.5.tgz' },
    pnpm: { overrides: {
      'dsh-chat-manager>clsx': 'file:/usr/local/lib/dsh-mgr/clsx-2.1.1.tgz',
      'dsh-free-search>@deepseek-ai/schemastery': 'file:/usr/local/lib/dsh-mgr/schemastery-3.18.4.tgz',
      '@deepseek-ai/schemastery>@deepseek-ai/cosmokit': 'file:/usr/local/lib/dsh-mgr/cosmokit-1.8.5.tgz',
      '@deepseek-ai/schemastery>@standard-schema/spec': 'file:/usr/local/lib/dsh-mgr/spec-1.1.0.tgz',
    } },
    dsh: { profile: { bundles: ['@deepseek-ai/dsh-base', '@deepseek-ai/dsh-web-app', 'dsh-web-mobile', 'dsh-free-search', 'dsh-mgr-workspace', 'dsh-chat-manager'] } },
  }, null, 2), { flag: 'wx', mode: 0o600 });
  console.log('dsh-mgr: new web profile includes dsh-web-mobile@3.0.5 and dsh-free-search@0.8.5 and dsh-chat-manager@1.5.12-dsh-mgr.1');
}
const manifestPath = join(profile, 'package.json');
const workspacePath = join(profile, 'pnpm-workspace.yaml');
// Backups omit workspace settings; restore host-provided peers before pnpm runs.
if (existsSync(manifestPath) && !existsSync(workspacePath)) {
  const manifest = JSON.parse(readFileSync(manifestPath, 'utf8'));
  if (manifest.dependencies?.['dsh-chat-manager'] === 'file:/usr/local/lib/dsh-mgr/dsh-chat-manager-1.5.12-dsh-mgr.1.tgz' || manifest.dependencies?.['dsh-web-mobile'] === 'file:/usr/local/lib/dsh-mgr/dsh-web-mobile-3.0.5.tgz' || manifest.dependencies?.['dsh-free-search'] === 'file:/usr/local/lib/dsh-mgr/dsh-free-search-0.8.5.tgz') {
    writeFileSync(workspacePath, 'packages:\n  - .\n\nnodeLinker: hoisted\nautoInstallPeers: false\n', { flag: 'wx', mode: 0o600 });
  }
}