@Override
public Result<PlayerTradeInCardsResponseDeniedEvent.Reason> requestTradeInCards(
final Id playerId, final Match tradeInCards, final TurnPhase turnPhase) {
Arguments.checkIsNotNull(playerId, "playerId");
Arguments.checkIsNotNull(tradeInCards, "tradeInCards");
Arguments.checkIsNotNull(turnPhase, "turnPhase");
final int numCards = playerCardHandler.countCardsInHand(playerId);
final boolean isOptionalTradeInNotAllowed =
turnPhase != TurnPhase.REINFORCE
&& numCards < rules.getMinCardsInHandForTradeInReinforcePhase();
final boolean isRequiredTradeInNotAllowed =
numCards >= rules.getMinCardsInHandToRequireTradeIn(turnPhase);
if (isOptionalTradeInNotAllowed && isRequiredTradeInNotAllowed) {
return Result.failure(Reason.TRADE_IN_NOT_ALLOWED);
}
final CardSet playerHand = playerCardHandler.getCardsInHand(playerId);
final CardSet matchSet = tradeInCards.getCardSet();
if (turnPhase == TurnPhase.REINFORCE
&& numCards - matchSet.size() > rules.getMaxCardsInHand(TurnPhase.REINFORCE)) {
return Result.failure(Reason.TOO_MANY_CARDS_IN_HAND);
}
if (!playerHand.containsAll(matchSet)) return Result.failure(Reason.CARDS_NOT_IN_HAND);
playerCardHandler.removeCardsFromHand(playerId, matchSet);
cardDealer.discard(matchSet);
tradeInCount++;
return Result.success();
}
@Override
public Card giveCard(final Id playerId, final TurnPhase turnPhase) {
Arguments.checkIsNotNull(playerId, "playerId");
Arguments.checkIsNotNull(turnPhase, "turnPhase");
final int maxCardsInHand = rules.getMaxCardsInHand(turnPhase);
Preconditions.checkIsTrue(
playerCardHandler.countCardsInHand(playerId) < maxCardsInHand,
Strings.format(
"Player [{}] has reached maximum cards in hand [{}] for [{}]",
playerId,
maxCardsInHand,
turnPhase));
final Card card = cardDealer.take();
playerCardHandler.addCardToHand(playerId, card);
return card;
}
@Override
public boolean existsCardWith(final String name) {
Arguments.checkIsNotNull(name, "name");
return cardDealer.existsCardWith(name);
}
@Override
public Card cardWith(final String name) {
Arguments.checkIsNotNull(name, "name");
return cardDealer.cardWith(name);
}