#!/usr/bin/env node
/**
 * Scan MindSpace public/*.html for broken relative links.
 *
 * Default (--downloads-only): attachment / download links only (release gate).
 * --all-links: also check img/src and mindspace-cover assets.
 *
 * Usage:
 *   node scripts/check-mindspace-public-links.mjs
 *   node scripts/check-mindspace-public-links.mjs --user <uuid>
 *   node scripts/check-mindspace-public-links.mjs --root /path/to/MindSpace
 *   node scripts/check-mindspace-public-links.mjs --all-links
 */
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { scanPublicHtmlLinks } from '../mindspace-public-links.mjs';

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

function parseArgs(argv) {
  let root = path.join(repoRoot, DEFAULT_PUBLISH_ROOT);
  let userId = null;
  let allLinks = false;
  for (let i = 2; i < argv.length; i += 1) {
    if (argv[i] === '--root' && argv[i + 1]) {
      root = path.resolve(argv[i + 1]);
      i += 1;
    } else if (argv[i] === '--user' && argv[i + 1]) {
      userId = argv[i + 1];
      i += 1;
    } else if (argv[i] === '--all-links') {
      allLinks = true;
    } else if (argv[i] === '--downloads-only') {
      allLinks = false;
    } else if (argv[i] === '--help' || argv[i] === '-h') {
      console.log(
        `Usage: node scripts/check-mindspace-public-links.mjs [--root ${DEFAULT_PUBLISH_ROOT}] [--user <uuid>] [--downloads-only|--all-links]`,
      );
      process.exit(0);
    }
  }
  return { root, userId, downloadsOnly: !allLinks };
}

const { root, userId, downloadsOnly } = parseArgs(process.argv);
const issues = scanPublicHtmlLinks(root, { userId, downloadsOnly });
const modeLabel = downloadsOnly ? 'download/attachment links' : 'all relative links';

if (issues.length === 0) {
  console.log(`OK: no missing ${modeLabel} under ${root}${userId ? ` (user ${userId})` : ''}`);
  process.exit(0);
}

console.error(`Found ${issues.length} missing ${modeLabel} under ${root}:`);
for (const issue of issues) {
  const relHtml = path.relative(root, issue.htmlPath);
  console.error(`- ${relHtml}: ${issue.ref} (${issue.source})`);
}
process.exit(1);