#!/usr/bin/env node
import fs from 'node:fs/promises';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { verifyConversationPackageManifest } from '../mindspace-conversation-package-verify.mjs';
import { createLocalMindSpaceStorageAdapter } from '../mindspace-storage-adapter.mjs';

const repoRoot = path.join(path.dirname(fileURLToPath(import.meta.url)), '..');

function usage() {
  return [
    'Usage: node scripts/check-conversation-package-manifest.mjs --manifest <manifest.json> [--storage-root <dir>]',
    '',
    'Validates that a conversation package manifest has required metadata and every artifact has',
    'a readable canonicalUrl or a storageKey under manifest.storagePrefix.',
  ].join('\n');
}

function parseArgs(argv) {
  let manifestPath = null;
  let storageRoot = null;
  for (let i = 2; i < argv.length; i += 1) {
    if (argv[i] === '--manifest' && argv[i + 1]) {
      manifestPath = path.resolve(argv[i + 1]);
      i += 1;
    } else if (argv[i] === '--storage-root' && argv[i + 1]) {
      storageRoot = path.resolve(argv[i + 1]);
      i += 1;
    } else if (argv[i] === '--help' || argv[i] === '-h') {
      console.log(usage());
      process.exit(0);
    }
  }
  if (!manifestPath) {
    console.error(usage());
    process.exit(2);
  }
  return { manifestPath, storageRoot };
}

const { manifestPath, storageRoot } = parseArgs(process.argv);
const manifest = JSON.parse(await fs.readFile(manifestPath, 'utf8'));
const storageAdapter = storageRoot ? createLocalMindSpaceStorageAdapter(storageRoot) : null;
const result = await verifyConversationPackageManifest(manifest, {
  statObject: storageAdapter ? (key) => storageAdapter.statObject(key) : null,
});

if (result.ok) {
  console.log(`OK: conversation package manifest ${path.relative(repoRoot, manifestPath) || manifestPath}`);
  process.exit(0);
}

console.error(`Found ${result.issues.length} conversation package manifest issue(s):`);
for (const item of result.issues) {
  const suffix = item.artifactId ? ` [artifact ${item.artifactId}]` : '';
  console.error(`- ${item.code}${suffix}: ${item.message}`);
}
process.exit(1);