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

package mage.abilities.effects.common;

import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.StaticValue;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.game.Game;
import mage.players.Player;
import mage.util.CardUtil;

/**
 * @author LevelX2
 */

public class MillCardsControllerEffect extends OneShotEffect {

    private final DynamicValue numberCards;

    public MillCardsControllerEffect(int numberCards) {
        this(StaticValue.get(numberCards));
    }

    public MillCardsControllerEffect(DynamicValue numberCards) {
        super(Outcome.Discard);
        this.numberCards = numberCards;
    }

    public MillCardsControllerEffect(final MillCardsControllerEffect effect) {
        super(effect);
        this.numberCards = effect.numberCards;
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
        return controller != null && !controller.millCards(
                numberCards.calculate(game, source, this), source, game
        ).isEmpty();
    }

    @Override
    public String getText(Mode mode) {
        if (numberCards instanceof StaticValue) {
            return "mill " + (((StaticValue) numberCards).getValue() > 1 ?
                    CardUtil.numberToText(numberCards.toString()) + " cards" : "a card");
        }
        return "mill X cards, where X is " + numberCards.getMessage();
    }
}