app.post('/api/pdf/:templateName', async (req, res) => {
  try {
    const { templateName } = req.params;
    const { asBase64, ...data } = req.body;

    const pdfBuffer = await generarPDF(templateName, data);

    if (asBase64) {
      res.json({
        success: true,
        fileName: `${templateName}.pdf`,
        contentType: 'application/pdf',
        base64: pdfBuffer.toString('base64')
      });
    } else {
      res.set({
        'Content-Type': 'application/pdf',
        'Content-Disposition': `inline; filename="${templateName}.pdf"`,
      });
      res.send(pdfBuffer);
    }
  } catch (error) {
    res.status(500).json({ success: false, error: error.message });
  }
});