import type { UnpaidInvoices } from "./usePatientUnpaidInvoices.tsx";

/** The exact amount owed, only when every bill was read and every amount is known. */
export const exactOwedCents = (answer: UnpaidInvoices | undefined): number | undefined =>
  answer?.complete && answer.invoices.every((invoice) => invoice.amountCents !== undefined)
    ? answer.invoices.reduce((total, invoice) => total + (invoice.amountCents as number), 0)
    : undefined;