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

package mage.abilities.dynamicvalue.common;

import mage.abilities.Ability;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.effects.Effect;
import mage.abilities.hint.Hint;
import mage.abilities.hint.ValueHint;
import mage.filter.FilterPermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;

import java.util.List;

public class TotalPermanentsManaValue implements DynamicValue {

    private final String message;
    private final FilterPermanent filter;

    public TotalPermanentsManaValue(FilterPermanent filter) {
        this.filter = filter.copy();
        this.message = "the total mana value of " + filter.getMessage();
    }

    private TotalPermanentsManaValue(final TotalPermanentsManaValue value) {
        this.filter = value.filter.copy();
        this.message = value.message;
    }

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

    @Override
    public int calculate(Game game, Ability sourceAbility, Effect effect) {
        int totalCMC = 0;
        List<Permanent> permanents = game.getBattlefield().getActivePermanents(
                filter,
                sourceAbility.getControllerId(),
                sourceAbility,
                game);
        for (Permanent permanent : permanents) {
            totalCMC += permanent.getManaValue();
        }
        return totalCMC;
    }

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

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

    public Hint getHint() {
        return new ValueHint("Total mana value of " + filter.getMessage(), this);
    }
}