mage/Mage/src/main/java/mage/abilities/dynamicvalue/common/SavedCounterRemovedValue.java

package mage.abilities.dynamicvalue.common;

import mage.abilities.Ability;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.effects.Effect;
import mage.game.Game;

import java.util.Optional;

/**
 * For trigger/prevention effects that save a value of removed counters.
 * Retrieve the value in resulting effects without need for custom ones.
 *
 * @author Susucr
 */
public enum SavedCounterRemovedValue implements DynamicValue {
    MANY("many"),
    MUCH("much");

    private final String message;
    public static final String VALUE_KEY = "CounterRemoved";

    SavedCounterRemovedValue(String message) {
        this.message = "that " + message;
    }

    @Override
    public int calculate(Game game, Ability sourceAbility, Effect effect) {
        return Optional.ofNullable((Integer) effect.getValue(VALUE_KEY)).orElse(0);
    }

    @Override
    public SavedCounterRemovedValue copy() {
        return this;
    }

    @Override
    public String toString() {
        return message;
    }

    @Override
    public String getMessage() {
        return "";
    }
}