require('dotenv').config();
const express = require('express');
const bodyParser = require('body-parser');
const nodemailer = require('nodemailer');


const app = express();
app.use(bodyParser.json());

// Configura il trasporto SMTP con variabili d'ambiente
const transporter = nodemailer.createTransport({
  host: process.env.IONOS_HOST,
  port: process.env.IONOS_PORT,
  secure: false, // true solo se usi 465
  auth: {
    user: process.env.IONOS_USER,
    pass: process.env.IONOS_PASS
  },
  tls: {
    rejectUnauthorized: false
  }
});

// Endpoint per inviare email con allegati
app.post('/send-email', async (req, res) => {
  const { to, subject, text, html, attachments } = req.body;

  if (!to || !subject || (!text && !html)) {
    return res.status(400).json({ error: 'Parametri mancanti: to, subject, text/html' });
  }

  try {
    const info = await transporter.sendMail({
      from: process.env.IONOS_USER,
      to,
      subject,
      text,
      html,
      attachments // array di oggetti { filename, path } o { filename, content }
    });

    res.json({ message: 'Email inviata con successo!', info });
  } catch (error) {
    console.error('Errore invio email:', error);
    res.status(500).json({ error: 'Errore durante l\'invio dell\'email', details: error.message });
  }
});

app.listen(process.env.LOCAL_PORT, () => {
  console.log(`Server attivo su http://${process.env.LOCAL_HOST}:${process.env.LOCAL_PORT}`);
});