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

// Directory containing your HTML
const htmlDir = path.join(__dirname, 'public'); // adjust

// Old logo reference pattern (regex) — tailor it to your current markup
const oldLogoRegex = /<img[^>]*src="[^"]*old-logo\.(png|svg|jpg)"[^>]*>/gi;

// New logo markup (string)
const newLogoHtml = `<img src="/assets/images/new-logo.svg" alt="Your Brand Name" class="site-logo" />`;

// Get all html files
glob(`${htmlDir}/**/*.html`, (err, files) => {
  if (err) {
    console.error("Error finding files:", err);
    return;
  }
  files.forEach(file => {
    let content = fs.readFileSync(file, 'utf8');
    let newContent = content.replace(oldLogoRegex, newLogoHtml);
    if (newContent !== content) {
      fs.writeFileSync(file, newContent, 'utf8');
      console.log(`Updated: ${file}`);
    }
  });
});