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package mage.abilities.costs.common;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.costs.CostImpl;
import mage.constants.Outcome;
import mage.constants.TargetController;
import mage.filter.FilterPlayer;
import mage.filter.predicate.other.PlayerCanGainLifePredicate;
import mage.filter.predicate.other.PlayerPredicate;
import mage.game.Game;
import mage.players.Player;
import mage.target.TargetPlayer;
/**
*
* @author LevelX2
*/
public class GainLifeOpponentCost extends CostImpl {
private static final FilterPlayer filter = new FilterPlayer("opponent that can gain life");
static {
filter.add(new PlayerPredicate(TargetController.OPPONENT));
filter.add(new PlayerCanGainLifePredicate());
}
private final int amount;
public GainLifeOpponentCost(int amount) {
this.amount = amount;
this.text = new StringBuilder("you may have an opponent gain ").append(amount).append(" life").toString();
}
public GainLifeOpponentCost(GainLifeOpponentCost cost) {
super(cost);
this.amount = cost.amount;
}
@Override
public boolean canPay(Ability ability, UUID sourceId, UUID controllerId, Game game) {
Player controller = game.getPlayer(controllerId);
if (controller != null) {
for (UUID opponentId : game.getOpponents(controllerId)) {
Player player = game.getPlayer(opponentId);
if (player != null && player.isCanGainLife()) {
// at least one opponent must be able to gain life
return true;
}
}
}
return true;
}
@Override
public boolean pay(Ability ability, Game game, UUID sourceId, UUID controllerId, boolean noMana) {
Player controller = game.getPlayer(controllerId);
if (controller != null) {
TargetPlayer target = new TargetPlayer(1, 1, true, filter);
if (controller.chooseTarget(Outcome.Detriment, target, ability, game)) {
Player opponent = game.getPlayer(target.getFirstTarget());
if (opponent != null) {
opponent.gainLife(amount, game);
paid = true;
}
}
}
return paid;
}
@Override
public GainLifeOpponentCost copy() {
return new GainLifeOpponentCost(this);
}
}