import { calculateBalances } from '~~/shared/utils/balances';

export default defineEventHandler(async (event) => {
  const slug = getRouterParam(event, 'slug')!;

  const pot = await getPotOrThrow(slug);
  const participants = await getParticipants(slug);
  const expenses = await getExpensesWithParticipants(slug);
  const { netBalances, settlements } = calculateBalances(
    participants,
    expenses,
  );

  return { pot, participants, expenses, netBalances, settlements };
});