Plataforma de Pagos
QR Interoperable

// 1. Autenticación
const { access_token } = await fetch('/api/auth/login', {
  method: 'POST',
  body: JSON.stringify({
    email: 'admin@qri.app',
    password: 'Admin2026$'
  })
}).then(r => r.json())

// 2. Crear comercio
const merchant = await fetch('/api/merchants', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${access_token}`
  },
  body: JSON.stringify({
    business_name: 'Cafetería Test',
    cuit: '30712345671',
    cbu:  '0070000000000000000010',
    mcc_codes: [{
      mcc: '5812',
      desc: 'Restaurantes',
      commission: 2.5
    }]
  })
}).then(r => r.json())

// 3. Generar QR dinámico
const qr = await fetch('/api/qr/dynamic', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${access_token}`
  },
  body: JSON.stringify({
    merchant_id: merchant.id,
    amount: 1500.50,
    expiration: 30
  })
}).then(r => r.json())

// qr.qr_data → string EMVCo TLV listo
// qr.qr_id_trx → ID para tracking