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package mage.cards.d;

import mage.MageInt;
import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.common.ActivateIfConditionActivatedAbility;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.condition.common.MyTurnCondition;
import mage.abilities.costs.common.TapSourceCost;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.NameACardEffect;
import mage.abilities.effects.common.continuous.GainAbilityAllEffect;
import mage.cards.*;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.filter.FilterPermanent;
import mage.filter.predicate.mageobject.SubtypePredicate;
import mage.game.Game;
import mage.players.Player;
import mage.target.common.TargetOpponent;

import java.util.UUID;

/**
 *
 * @author fireshoes
 */
public class DementiaSliver extends CardImpl {
    
    private static final FilterPermanent filter = new FilterPermanent("All Slivers");

    static {
        filter.add(new SubtypePredicate("Sliver"));
    }

    public DementiaSliver(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{U}{B}");
        this.subtype.add("Sliver");
        this.power = new MageInt(3);
        this.toughness = new MageInt(3);

        // All Slivers have "{T}: Name a card. Target opponent reveals a card at random from his or her hand. If it's the named card, that player discards it. Activate this ability only during your turn."
        Ability gainedAbility = new ActivateIfConditionActivatedAbility(Zone.BATTLEFIELD, new NameACardEffect(NameACardEffect.TypeOfName.ALL), new TapSourceCost(), MyTurnCondition.instance);
        gainedAbility.addEffect(new DementiaSliverEffect());
        gainedAbility.addTarget(new TargetOpponent());
        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD,
                new GainAbilityAllEffect(gainedAbility, Duration.WhileOnBattlefield, filter,
                        "All Slivers have \"{T}: Name a card. Target opponent reveals a card at random from his or her hand. If it's the named card, that player discards it\"")));
    }

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

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

class DementiaSliverEffect extends OneShotEffect {

    public DementiaSliverEffect() {
        super(Outcome.Damage);
        staticText = "Target opponent reveals a card at random from his or her hand. If it's the named card, that player discards it";
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player opponent = game.getPlayer(targetPointer.getFirst(game, source));
        MageObject sourceObject = game.getObject(source.getSourceId());
        String cardName = (String) game.getState().getValue(source.getSourceId().toString() + NameACardEffect.INFO_KEY);        
        if (opponent != null && sourceObject != null && !cardName.isEmpty()) {
            if (!opponent.getHand().isEmpty()) {
                Cards revealed = new CardsImpl();
                Card card = opponent.getHand().getRandom(game);
                if (card != null) {
                    revealed.add(card);
                    opponent.revealCards(sourceObject.getName(), revealed, game);
                    if (card.getName().equals(cardName)) {
                        opponent.discard(card, source, game);
                    }
                }
            }
            return true;
        }
        return false;
    }

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

}