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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.t;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.condition.common.DeliriumCondition;
import mage.abilities.decorator.ConditionalTriggeredAbility;
import mage.abilities.effects.common.TapTargetEffect;
import mage.abilities.keyword.FlyingAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.TargetController;
import mage.constants.Zone;
import mage.filter.common.FilterCreaturePermanent;
import mage.filter.predicate.permanent.ControllerIdPredicate;
import mage.filter.predicate.permanent.ControllerPredicate;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.players.Player;
import mage.target.common.TargetCreaturePermanent;

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

    private static final FilterCreaturePermanent FILTER = new FilterCreaturePermanent("creature an opponent controls");

    static {
        FILTER.add(new ControllerPredicate(TargetController.OPPONENT));
    }

    public Topplegeist(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{W}");
        this.subtype.add("Spirit");
        this.power = new MageInt(1);
        this.toughness = new MageInt(1);

        // Flying
        this.addAbility(FlyingAbility.getInstance());

        // When Topplegeist enters the battlefield, tap target creature an opponent controls.
        Ability ability = new EntersBattlefieldTriggeredAbility(new TapTargetEffect());
        ability.addTarget(new TargetCreaturePermanent(FILTER));
        this.addAbility(ability);

        // <i>Delirium</i> — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard,
        // tap target creature that player controls.
        ability = new ConditionalTriggeredAbility(
                new TopplegeistAbility(),
                DeliriumCondition.instance,
                "<i>Delirium</i> — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, "
                        + "tap target creature that player controls.");
        this.addAbility(ability);
    }

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

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

class TopplegeistAbility extends TriggeredAbilityImpl {

    public TopplegeistAbility() {
        super(Zone.BATTLEFIELD, new TapTargetEffect());
    }

    public TopplegeistAbility(final TopplegeistAbility ability) {
        super(ability);
    }

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

    @Override
    public boolean checkEventType(GameEvent event, Game game) {
        return event.getType() == EventType.UPKEEP_STEP_PRE;
    }

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        if (game.getOpponents(controllerId).contains(event.getPlayerId())) {
            Player opponent = game.getPlayer(event.getPlayerId());
            if (opponent != null) {
                FilterCreaturePermanent FILTER = new FilterCreaturePermanent("creature " + opponent.getLogName() + " controls");
                FILTER.add(new ControllerIdPredicate(opponent.getId()));
                this.getTargets().clear();
                this.addTarget(new TargetCreaturePermanent(FILTER));
                return true;
            }
        }
        return false;
    }

    @Override
    public String getRule() {
        return "At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, tap target creature that player controls.";
    }
}