const fs = require('fs');
const files = ['index.html', 'catalog.html', 'product.html', 'cart.html', 'checkout.html', 'wishlist.html', 'profile.html'];
for (const file of files) {
    let content = fs.readFileSync(file, 'utf8');
    if (!content.includes('manifest.json')) {
        content = content.replace('</head>', '    <link rel="manifest" href="manifest.json">\n</head>');
    }
    if (!content.includes('serviceWorker')) {
        content = content.replace('</body>', `    <script>\n        if('serviceWorker' in navigator) navigator.serviceWorker.register('sw.js').then(() => console.log('SW Registered')).catch(e => console.error('SW Error', e));\n    </script>\n</body>`);
    }
    fs.writeFileSync(file, content);
    console.log('Updated ' + file);
}