Package mage.sets.championsofkamigawa

Source Code of mage.sets.championsofkamigawa.ActivatedAbilityTarget

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package mage.sets.championsofkamigawa;

import java.util.HashSet;
import java.util.Set;
import java.util.UUID;

import mage.constants.CardType;
import mage.constants.Rarity;
import mage.abilities.Ability;
import mage.abilities.ActivatedAbility;
import mage.abilities.effects.common.CounterTargetEffect;
import mage.abilities.effects.common.DrawCardSourceControllerEffect;
import mage.cards.CardImpl;
import mage.constants.AbilityType;
import mage.constants.Zone;
import mage.filter.Filter;
import mage.filter.FilterAbility;
import mage.game.Game;
import mage.game.stack.StackAbility;
import mage.game.stack.StackObject;
import mage.target.TargetObject;

/**
*
* @author LevelX2
*/
public class Squelch extends CardImpl {

    public Squelch(UUID ownerId) {
        super(ownerId, 92, "Squelch", Rarity.UNCOMMON, new CardType[]{CardType.INSTANT}, "{1}{U}");
        this.expansionSetCode = "CHK";

        this.color.setBlue(true);

        // Counter target activated ability.
        this.getSpellAbility().addEffect(new CounterTargetEffect());
        this.getSpellAbility().addTarget(new ActivatedAbilityTarget());
        // Draw a card.
        this.getSpellAbility().addEffect(new DrawCardSourceControllerEffect(1));
    }

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

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

class ActivatedAbilityTarget extends TargetObject {

    public ActivatedAbilityTarget() {
        this.minNumberOfTargets = 1;
        this.maxNumberOfTargets = 1;
        this.zone = Zone.STACK;
        this.targetName = "activated ability";
    }

    public ActivatedAbilityTarget(final ActivatedAbilityTarget target) {
        super(target);
    }


    @Override
    public boolean canTarget(UUID id, Ability source, Game game) {
        if (source != null && source.getSourceId().equals(id)) {
            return false;
        }

        StackObject stackObject = game.getStack().getStackObject(id);
        return stackObject != null && stackObject.getStackAbility() != null && stackObject.getStackAbility().getAbilityType().equals(AbilityType.ACTIVATED);
    }

    @Override
    public boolean canChoose(UUID sourceId, UUID sourceControllerId, Game game) {
        return canChoose(sourceControllerId, game);
    }

    @Override
    public boolean canChoose(UUID sourceControllerId, Game game) {
        for (StackObject stackObject :  game.getStack()) {
            if (stackObject.getStackAbility() != null
                    && stackObject.getStackAbility().getAbilityType().equals(AbilityType.ACTIVATED)
                    && game.getPlayer(sourceControllerId).getInRange().contains(stackObject.getStackAbility().getControllerId())) {
                    return true;
                }
            }
        return false;
    }

    @Override
    public Set<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
        return possibleTargets(sourceControllerId, game);
    }

    @Override
    public Set<UUID> possibleTargets(UUID sourceControllerId, Game game) {
        Set<UUID> possibleTargets = new HashSet<>();
        for (StackObject stackObject :  game.getStack()) {
            if (stackObject.getStackAbility().getAbilityType().equals(AbilityType.ACTIVATED) && game.getPlayer(sourceControllerId).getInRange().contains(stackObject.getStackAbility().getControllerId())) {
                possibleTargets.add(stackObject.getStackAbility().getId());
            }
        }
        return possibleTargets;
    }

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

    @Override
    public Filter getFilter() {
        return new FilterAbility();
    }
   
    @Override
    public String getTargetedName(Game game) {
        StringBuilder sb = new StringBuilder("activated ability (");
        for (UUID targetId: getTargets()) {
            StackAbility object = (StackAbility) game.getObject(targetId);
            if (object != null) {
                sb.append(object.getRule()).append(" ");
            }
        }
        sb.append(")");
        return sb.toString();
    }

}
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