foul-magics/Mage/src/main/java/mage/abilities/effects/common/RegenerateAttachedEffect.java

package mage.abilities.effects.common;

import java.util.Locale;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.effects.ReplacementEffectImpl;
import mage.constants.AttachmentType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;

/**
 * @author jeff
 */
public class RegenerateAttachedEffect extends ReplacementEffectImpl {

    protected AttachmentType attachmentType;

    public RegenerateAttachedEffect(AttachmentType attachmentType) {
        super(Duration.EndOfTurn, Outcome.Regenerate);
        this.attachmentType = attachmentType;
        this.setText();
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        //20110204 - 701.11
        Permanent permanent = game.getPermanent(source.getSourceId());
        if (permanent == null) {
            return false;
        }
        Permanent equipped = game.getPermanent(permanent.getAttachedTo());
        if (equipped != null && equipped.regenerate(this.getId(), game)) {
            this.used = true;
            return true;
        }
        return false;
    }

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

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

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

    @Override
    public boolean applies(GameEvent event, Ability source, Game game) {
        //20110204 - 701.11c - event.getAmount() is used to signal if regeneration is allowed
        Permanent equipment = game.getPermanent(source.getSourceId());
        if (equipment != null) {
            Permanent equipped = game.getPermanent(equipment.getAttachedTo());
            if (equipped != null) {
                UUID equippedID = equipped.getId();
                if (event.getAmount() == 0 && event.getTargetId().equals(equippedID) && !this.used) {
                    return true;
                }
            }
        }
        return false;
    }

    private void setText() {
        staticText = "Regenerate " + attachmentType.verb().toLowerCase(Locale.ENGLISH) + " creature";
    }
}