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 *        conditions and the following disclaimer.
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 *        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.cards.p;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.TriggeredAbility;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.condition.Condition;
import mage.abilities.decorator.ConditionalTriggeredAbility;
import mage.abilities.effects.common.ReturnToHandTargetEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.filter.common.FilterCreatureCard;
import mage.game.Game;
import mage.players.Player;
import mage.target.common.TargetCardInYourGraveyard;

/**
 *
 * @author fireshoes
 */
public class PitKeeper extends CardImpl {

    public PitKeeper(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{1}{B}");
        this.subtype.add("Human");
        this.subtype.add("Wizard");
        this.power = new MageInt(2);
        this.toughness = new MageInt(1);

        // When Pit Keeper enters the battlefield, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.
        TriggeredAbility triggeredAbility = new EntersBattlefieldTriggeredAbility(new ReturnToHandTargetEffect(), true);
        triggeredAbility.addTarget(new TargetCardInYourGraveyard(new FilterCreatureCard("creature card from your graveyard")));
        this.addAbility(new ConditionalTriggeredAbility(
                triggeredAbility,
                new CreatureCardsInControllerGraveCondition(4),
                "When {this} enters the battlefield, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand."));
    }

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

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

class CreatureCardsInControllerGraveCondition implements Condition {
    private int value;

    public CreatureCardsInControllerGraveCondition(int value) {
        this.value = value;
    }

    @Override
    public boolean apply(Game game, Ability source) {
        Player p = game.getPlayer(source.getControllerId());
        if (p != null && p.getGraveyard().count(new FilterCreatureCard(), game) >= value)
        {
                    return true;
        }
        return false;
    }
}