import type Card from './card';
import Pile from './pile'
import type Rule from './rules/rule';

export type winner = {
  index: number,
  hand: Card[]
}

export default function(piles: Pile[], rule: Rule): winner | null {
  if (piles.length < 1) return null

  return piles.reduce((accumulator: winner, pile: Pile) => {
    const priorPile = new Pile(accumulator.hand)
    const priorPileEvaluated = rule(priorPile)
    const pileEvaluated = rule(pile)
  }, { index: -1, hand: [] })
}