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package mage.cards.s;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.StaticAbility;
import mage.abilities.common.DealsCombatDamageToAPlayerTriggeredAbility;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.effects.ContinuousEffect;
import mage.abilities.effects.Effect;
import mage.abilities.effects.ReplacementEffectImpl;
import mage.abilities.effects.common.counter.AddCountersSourceEffect;
import mage.abilities.keyword.HasteAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.*;
import mage.counters.Counter;
import mage.counters.CounterType;
import mage.counters.Counters;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.ZoneChangeEvent;

/**
 *
 * @author anonymous
 */
public class SkullbriarTheWalkingGrave extends CardImpl {
    private Counters counters;

    public SkullbriarTheWalkingGrave(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{B}{G}");
        addSuperType(SuperType.LEGENDARY);
        this.subtype.add("Zombie");
        this.subtype.add("Elemental");
        this.power = new MageInt(1);
        this.toughness = new MageInt(1);

        // Haste
        this.addAbility(HasteAbility.getInstance());
        // Whenever Skullbriar, the Walking Grave deals combat damage to a player, put a +1/+1 counter on it.
        this.addAbility(new DealsCombatDamageToAPlayerTriggeredAbility(
                new AddCountersSourceEffect(CounterType.P1P1.createInstance()), false));
        // Counters remain on Skullbriar as it moves to any zone other than a player's hand or library.
        this.addAbility(new SimpleStaticAbility(Zone.ALL, new SkullbriarEffect()));
    }

    public SkullbriarTheWalkingGrave(SkullbriarTheWalkingGrave card) { super(card); }

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


    @Override
    public void updateZoneChangeCounter(Game game, ZoneChangeEvent event) {
        boolean skullBriarEffectApplied = false;
        if (event.getToZone() != Zone.HAND && event.getToZone() != Zone.LIBRARY) {
            for (StaticAbility ability : getAbilities (game).getStaticAbilities(event.getFromZone())) {
                for (Effect effect : ability.getEffects(game, EffectType.REPLACEMENT)) {
                    if (effect instanceof SkullbriarEffect && event.getAppliedEffects().contains(effect.getId())) {
                        skullBriarEffectApplied = true;
                    }
                }
            }
        }
        Counters copyFrom = null;
        if (skullBriarEffectApplied) {
            if (event.getTarget() != null && event.getFromZone() == Zone.BATTLEFIELD) {
                copyFrom = new Counters(event.getTarget().getCounters(game));
            } else {
                copyFrom = new Counters(this.getCounters(game));
            }
        }
        super.updateZoneChangeCounter(game, event);
        Counters copyTo = null;
        if (event.getTarget() != null && event.getToZone() == Zone.BATTLEFIELD) {
            if (event.getFromZone() != Zone.BATTLEFIELD) {
                copyTo = event.getTarget().getCounters(game);
            }
        } else {
            copyTo = this.getCounters(game);
        }
        if (copyTo != null && copyFrom != null) {
            for(Counter counter : copyFrom.values()) {
                copyTo.addCounter(counter);
            }
        }
    }
}

class SkullbriarEffect extends ReplacementEffectImpl {
    public SkullbriarEffect() {
        super(Duration.EndOfGame, Outcome.Benefit);
        staticText = "Counters remain on {this} as it moves to any zone other than a player's hand or library.";
    }

    public SkullbriarEffect(SkullbriarEffect effect) {
        super(effect);
    }

    @Override
    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
        return false;
    }

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

    @Override
    public boolean applies(GameEvent event, Ability source, Game game) {
        return source.getSourceId().equals(event.getTargetId());
    }

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