#!/usr/bin/env node

import fs from 'fs';

const filePath = process.argv[2];
if (!filePath) {
  console.error('Usage: node clean-html.mjs <file-path>');
  process.exit(1);
}

let content = fs.readFileSync(filePath, 'utf-8');

// 1. Remove <title> tags but keep content
content = content.replace(/<title>(.*?)<\/title>/gs, '# $1');

// 2. Convert <callout emoji="..."> to blockquote
content = content.replace(/<callout emoji="([^"]+)">\s*/g, '> 📌 ');
content = content.replace(/<\/callout>/g, '');

// 3. Remove complex grid/column structures with embedded images
// These are usually image galleries that we can't display properly in markdown
content = content.replace(/<grid>.*?<\/grid>/gs, (match) => {
  // Try to extract any alt text or descriptions
  const imgMatches = match.matchAll(/alt="([^"]+)"/g);
  const descriptions = [];
  for (const m of imgMatches) {
    descriptions.push(m[1]);
  }

  if (descriptions.length > 0) {
    return '\n> 📷 [图片集]\n\n';
  }
  return '';
});

// 4. Remove any remaining HTML tags (but preserve content where possible)
content = content.replace(/<figure[^>]*>.*?<\/figure>/gs, '');
content = content.replace(/<source[^>]*\/?>/g, '');
content = content.replace(/<column[^>]*>/g, '');
content = content.replace(/<\/column>/g, '');

// 5. Clean up excessive blank lines (more than 2 consecutive)
content = content.replace(/\n{4,}/g, '\n\n\n');

// 6. Fix any escaped underscores in URLs
content = content.replace(/\\_/g, '_');

fs.writeFileSync(filePath, content, 'utf-8');
console.log(`✅ Cleaned HTML tags from: ${filePath}`);