foul-magics/Mage/src/main/java/mage/abilities/dynamicvalue/common/SacrificeCostCreaturesPower.java

package mage.abilities.dynamicvalue.common;

import mage.abilities.Ability;
import mage.abilities.costs.Cost;
import mage.abilities.costs.common.SacrificeTargetCost;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.effects.Effect;
import mage.game.Game;

/**
 * @author LevelX2
 */
public enum SacrificeCostCreaturesPower implements DynamicValue {
instance;
    @Override
    public int calculate(Game game, Ability sourceAbility, Effect effect) {
        for (Cost cost : sourceAbility.getCosts()) {
            if (cost instanceof SacrificeTargetCost) {
                SacrificeTargetCost sacrificeCost = (SacrificeTargetCost) cost;
                return sacrificeCost.getPermanents()
                        .stream().mapToInt(p -> p.getPower().getValue()).sum();
            }
        }
        return 0;
    }

    @Override
    public SacrificeCostCreaturesPower copy() {
        return SacrificeCostCreaturesPower.instance;
    }

    @Override
    public String toString() {
        return "X";
    }

    @Override
    public String getMessage() {
        return "the sacrificed creature's power";
    }
}