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package mage.cards.h;

import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.costs.common.TapSourceCost;
import mage.abilities.costs.mana.VariableManaCost;
import mage.abilities.dynamicvalue.common.ManacostVariableValue;
import mage.abilities.effects.OneShotEffect;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.common.TargetOpponent;

/**
 *
 * @author Plopman
 */
public class HelmOfObedience extends CardImpl {

    public HelmOfObedience(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.ARTIFACT},"{4}");

        // {X}, {T}: Target opponent puts cards from the top of his or her library into his or her graveyard until a creature card or X cards are put into that graveyard this way, whichever comes first. If a creature card is put into that graveyard this way, sacrifice Helm of Obedience and put that card onto the battlefield under your control. X can't be 0.
        VariableManaCost xCosts = new VariableManaCost();
        xCosts.setMinX(1);
        SimpleActivatedAbility abilitiy = new SimpleActivatedAbility(Zone.BATTLEFIELD, new HelmOfObedienceEffect(), xCosts);
        abilitiy.addCost(new TapSourceCost());
        abilitiy.addTarget(new TargetOpponent());
        this.addAbility(abilitiy);
    }

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

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


class HelmOfObedienceEffect extends OneShotEffect {


    private static final ManacostVariableValue amount = new ManacostVariableValue();
    
    public HelmOfObedienceEffect() {
        super(Outcome.Detriment);
        staticText = "Target opponent puts cards from the top of his or her library into his or her graveyard until a creature card or X cards are put into that graveyard this way, whichever comes first. If a creature card is put into that graveyard this way, sacrifice Helm of Obedience and put that card onto the battlefield under your control. X can't be 0";
    }

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


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

    @Override
    public boolean apply(Game game, Ability source) {
        Player targetOpponent = game.getPlayer(targetPointer.getFirst(game, source));
        if (targetOpponent != null) {
            int max = amount.calculate(game, source, this);
            if(max != 0){
                int numberOfCard = 0;

                while(targetOpponent.getLibrary().hasCards()) {
                    Card card = targetOpponent.getLibrary().removeFromTop(game);
                    if (card != null){
                        if (targetOpponent.moveCards(card, Zone.GRAVEYARD, source, game)) {
                            if(card.isCreature()){
                                // If a creature card is put into that graveyard this way, sacrifice Helm of Obedience
                                // and put that card onto the battlefield under your control.
                                Permanent sourcePermanent = game.getPermanent(source.getSourceId());
                                if (sourcePermanent != null) {
                                    sourcePermanent.sacrifice(source.getSourceId(), game);
                                }
                                if (game.getState().getZone(card.getId()) == Zone.GRAVEYARD) {
                                    card.putOntoBattlefield(game, Zone.GRAVEYARD, source.getSourceId(), source.getControllerId());
                                }
                                break;
                            } else{
                                numberOfCard++;
                                if(numberOfCard >= max){
                                    break;
                                }
                            }
                        }
                    } else{
                        return false;
                    }
                }
            }
            return true;
        }
        return false;
    }

}