/**
* @param Dealer $dealer
* @return SolutionHand|null
*/
public function getWinningHand(Dealer $dealer)
{
$winningHand = null;
$allCards = array_merge($this->getCards(), $dealer->getCards());
$allCardCombos = $this->getCombinations($allCards, 5);
foreach ($allCardCombos as $cardCombo) {
$solutionHand = new SolutionHand($cardCombo);
if (!$winningHand || $solutionHand->diff($winningHand) > 0) {
$winningHand = $solutionHand;
}
}
return $winningHand;
}