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package mage.cards.v;

import mage.abilities.Ability;
import mage.constants.ComparisonType;
import mage.abilities.effects.OneShotEffect;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.choices.Choice;
import mage.choices.ChoiceImpl;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.filter.FilterCard;
import mage.filter.predicate.Predicates;
import mage.filter.predicate.mageobject.CardTypePredicate;
import mage.filter.predicate.mageobject.ConvertedManaCostPredicate;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.TargetPlayer;

import java.util.HashSet;
import java.util.Set;
import java.util.UUID;

/**
 * @author LevelX2
 */
public class Void extends CardImpl {

    public Void(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{B}{R}");

        // Choose a number. Destroy all artifacts and creatures with converted mana cost equal to that number. Then target player reveals his or her hand and discards all nonland cards with converted mana cost equal to the number.
        this.getSpellAbility().addTarget(new TargetPlayer());
        this.getSpellAbility().addEffect(new VoidEffect());

    }

    public Void(final Void card) {
        super(card);
    }

    @Override
    public Void copy() {
        return new Void(this);
    }
}

class VoidEffect extends OneShotEffect {

    public VoidEffect() {
        super(Outcome.DestroyPermanent);
        this.staticText = "Choose a number. Destroy all artifacts and creatures with converted mana cost equal to that number. Then target player reveals his or her hand and discards all nonland cards with converted mana cost equal to the number";
    }

    public VoidEffect(final VoidEffect effect) {
        super(effect);
    }

    @Override
    public VoidEffect copy() {
        return new VoidEffect(this);
    }

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
        if (controller != null) {
            Choice numberChoice = new ChoiceImpl();
            Set<String> numbers = new HashSet<>(16);
            for (int i = 0; i <= 15; i++) {
                numbers.add(Integer.toString(i));
            }
            numberChoice.setChoices(numbers);
            numberChoice.setMessage("Choose a number");
            controller.choose(Outcome.DestroyPermanent, numberChoice, game);
            int number = Integer.parseInt(numberChoice.getChoice());
            for (Permanent permanent : game.getBattlefield().getActivePermanents(source.getControllerId(), game)) {
                if ((permanent.isArtifact() || permanent.isCreature())
                        && permanent.getConvertedManaCost() == number) {
                    permanent.destroy(source.getSourceId(), game, false);
                }
            }
            FilterCard filterCard = new FilterCard();
            filterCard.add(new ConvertedManaCostPredicate(ComparisonType.EQUAL_TO, number));
            filterCard.add(Predicates.not(new CardTypePredicate(CardType.LAND)));

            Player targetPlayer = game.getPlayer(targetPointer.getFirst(game, source));
            if (targetPlayer != null) {
                targetPlayer.revealCards("Void", targetPlayer.getHand(), game);
                for (Card card : targetPlayer.getHand().getCards(game)) {
                    if (filterCard.match(card, game)) {
                        targetPlayer.discard(card, source, game);
                    }
                }
            }
            return true;
        }
        return false;
    }
}