SaaS (Subscrições)

import { createVeroClient } from '@veroao/node'

const vero = createVeroClient() // lê VERO_API_KEY do ambiente
const ORG_ID = process.env.VERO_ORG_ID!

// Chamado no dia de renovação do plano
async function billRenewal(user: { id: string; name: string; nif: string; phone: string; email: string; address: string; city: string }, plan: { code: string; name: string; description: string; price: number }, cycleId: string) {
  // 1. Garantir cliente
  const customer = await vero.customers.ensure(ORG_ID, {
    externalId: user.id,
    name: user.name,
    taxId: user.nif,
    phone: user.phone,
    email: user.email,
    addressLine1: user.address,
    city: user.city,
  })

  // 2. Garantir produto (plano de subscrição)
  const product = await vero.products.create(ORG_ID, {
    code: plan.code,
    name: plan.name,
    description: plan.description,
    unitPrice: plan.price, // kwanzas × 100
    taxRate: 14,
    unitOfMeasure: 'UN',
  })

  // 3. Emitir FR (Factura-Recibo = pagamento imediato)
  //    idempotencyKey garante que retries no mesmo ciclo não criam facturas duplicadas
  const invoice = await vero.invoices.create(ORG_ID, {
    customerId: customer.id,
    documentType: 'FR',
    items: [{
      description: product.name,
      quantity: 1,
      unitPrice: product.unitPrice,
      taxRate: product.taxRate,
      productId: product.id,
    }],
    idempotencyKey: `renewal_${cycleId}`,
  })

  // 4. Enviar PDF por email (opcional - pode usar webhook invoice.issued)
  await vero.invoices.send(ORG_ID, invoice.id)

  return invoice
}