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

package mage.abilities.effects.common;

import mage.abilities.Ability;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.StaticValue;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;


public class LoseLifeControllerAttachedEffect extends OneShotEffect {

    protected DynamicValue amount;

    public LoseLifeControllerAttachedEffect(int amount) {
        this(StaticValue.get(amount));
    }

    public LoseLifeControllerAttachedEffect(DynamicValue amount) {
        super(Outcome.LoseLife);
        this.amount = amount;
        setText();
    }

    public LoseLifeControllerAttachedEffect(final LoseLifeControllerAttachedEffect effect) {
        super(effect);
        this.amount = effect.amount.copy();
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Permanent enchantment = game.getPermanent(source.getSourceId());
        if (enchantment == null) {
            enchantment = (Permanent) game.getLastKnownInformation(source.getSourceId(), Zone.BATTLEFIELD);
        }
        if (enchantment != null && enchantment.getAttachedTo() != null) {
            Permanent creature = game.getPermanent(enchantment.getAttachedTo());
            if (creature == null) {
                creature = (Permanent) game.getLastKnownInformation(source.getSourceId(), Zone.BATTLEFIELD);
            }
            if (creature != null) {
                Player player = game.getPlayer(creature.getControllerId());
                if (player != null) {
                    player.loseLife(amount.calculate(game, source, this), game, false);
                    return true;
                }
            }
        }
        return false;
    }

    private void setText() {
        StringBuilder sb = new StringBuilder();
        sb.append("its controller loses ").append(amount.toString()).append(" life");
        String message = amount.getMessage();
        if (!message.isEmpty()) {
            sb.append(" for each ");
            sb.append(message);
        }
        staticText = sb.toString();
    }
}