const fs = require('fs');
const path = require('path');

// Function to update index.html with dynamic SEO data
async function updateIndexHTML(seoData) {
  const indexPath = path.join(__dirname, '../dist/index.html');
  let html = fs.readFileSync(indexPath, 'utf8');

  // Replace meta tags with dynamic data
  html = html.replace(
    /<meta name="description" content="[^"]*">/,
    `<meta name="description" content="${seoData.metaDescription}">`
  );
  
  html = html.replace(
    /<meta property="og:title" content="[^"]*">/,
    `<meta property="og:title" content="${seoData.metaTitle}">`
  );
  
  html = html.replace(
    /<meta property="og:description" content="[^"]*">/,
    `<meta property="og:description" content="${seoData.metaDescription}">`
  );
  
  html = html.replace(
    /<meta name="keywords" content="[^"]*">/,
    `<meta name="keywords" content="${seoData.keywords}">`
  );
  
  html = html.replace(
    /<title>[^<]*<\/title>/,
    `<title>${seoData.metaTitle}</title>`
  );

  // Write updated HTML
  fs.writeFileSync(indexPath, html);
  console.log('SEO updated successfully!');
}

module.exports = { updateIndexHTML };