import Tagada from '@tagadapay/node-sdk';

const tagada = new Tagada(process.env.TAGADA_API_KEY!);

// Vault card from browser tagadaToken
app.post('/api/payment-instruments', async (req, res) => {
  const { tagadaToken, storeId, customerData } = req.body;
  const result = await tagada.paymentInstruments.createFromToken({
    tagadaToken, storeId, customerData,
  });
  res.json(result);
});

// Charge through payment flow
app.post('/api/payments', async (req, res) => {
  const { amount, currency, storeId, paymentInstrumentId, customerId } = req.body;
  const result = await tagada.payments.process({
    amount, currency, storeId, paymentInstrumentId, customerId,
    initiatedBy: 'customer',
    paymentFlowId: process.env.TAGADA_PAYMENT_FLOW_ID,
  });
  res.json(result);
});

// Create subscription after first charge
app.post('/api/subscriptions', async (req, res) => {
  const { customerId, priceId, storeId, currency, defaultPaymentInstrumentId, paymentId } = req.body;
  const result = await tagada.subscriptions.create({
    customerId, priceId, storeId, currency,
    defaultPaymentInstrumentId, paymentId,
  });
  res.json(result);
});

import { useCardTokenization } from '@tagadapay/core-js/react';

const { tokenizeCard } = useCardTokenization({ environment: 'production' });

async function subscribe() {
  // 1. FRONTEND — tokenize (PCI-safe)
  const { tagadaToken } = await tokenizeCard({
    cardNumber: '4242424242424242',
    expiryDate: '12/30',
    cvc: '123',
    cardholderName: 'Alex Founder',
  });

  // 2. BACKEND — create customer
  const { customer } = await fetch('/api/customers', {
    method: 'POST',
    body: JSON.stringify({ storeId, email, firstName, lastName }),
  }).then((r) => r.json());

  // 3. BACKEND — vault card
  const { paymentInstrument } = await fetch('/api/payment-instruments', {
    method: 'POST',
    body: JSON.stringify({ tagadaToken, storeId, customerData: { email, firstName, lastName } }),
  }).then((r) => r.json());

  // 4. BACKEND — charge via payment flow
  const { payment } = await fetch('/api/payments', {
    method: 'POST',
    body: JSON.stringify({
      amount: 1900, currency: 'EUR', storeId,
      paymentInstrumentId: paymentInstrument.id,
      customerId: customer.id,
    }),
  }).then((r) => r.json());

  // 5. BACKEND — create subscription
  const { subscription } = await fetch('/api/subscriptions', {
    method: 'POST',
    body: JSON.stringify({
      customerId: customer.id, priceId, storeId, currency: 'EUR',
      defaultPaymentInstrumentId: paymentInstrument.id,
      paymentId: payment.id,
    }),
  }).then((r) => r.json());

  console.log('Subscribed:', subscription.id, subscription.status);
}