// Returns the saved cardToken so callers can skip HelcimPay re-entry.
import { requireAuth } from '../../utils/auth.js'
import { listHelcimCustomerCards } from '../../utils/helcim.js'

export default defineEventHandler(async (event) => {
  const member = await requireAuth(event)

  if (!member.helcimCustomerId) {
    return { cardToken: null }
  }

  const cardsResponse = await listHelcimCustomerCards(member.helcimCustomerId)
  const cards = Array.isArray(cardsResponse)
    ? cardsResponse
    : (cardsResponse?.cards || cardsResponse?.data || [])

  if (!cards.length) {
    return { cardToken: null }
  }

  const defaultCard =
    cards.find((c) => c?.default === true || c?.isDefault === true) || cards[0]

  return { cardToken: defaultCard?.cardToken || null }
})