foul-magics/Mage/src/mage/abilities/costs/common/RemoveVariableCountersTargetCost.java

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 *        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.abilities.costs.common;

import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.costs.Cost;
import mage.abilities.costs.VariableCostImpl;
import mage.counters.Counter;
import mage.counters.CounterType;
import mage.filter.FilterPermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.TargetPermanent;

/**
 *
 * @author LevelX
 */
public class RemoveVariableCountersTargetCost extends VariableCostImpl<RemoveVariableCountersTargetCost>  {

    protected FilterPermanent filter;
    protected CounterType counterTypeToRemove;
    protected int minValue;

    public RemoveVariableCountersTargetCost(FilterPermanent filter) {
        this(filter, null);
    }

    public RemoveVariableCountersTargetCost(FilterPermanent filter, CounterType counterTypeToRemove) {
        this(filter, counterTypeToRemove, "X", 0);
    }

    public RemoveVariableCountersTargetCost(FilterPermanent filter, CounterType counterTypeToRemove, String xText, int minValue) {
        super(xText, new StringBuilder(counterTypeToRemove != null ? counterTypeToRemove.getName() + " ":"").append("counters to remove").toString());
        this.filter = filter;
        this.counterTypeToRemove = counterTypeToRemove;
        this.text = setText();
        this.minValue = minValue;
    }

    public RemoveVariableCountersTargetCost(final RemoveVariableCountersTargetCost cost) {
        super(cost);
        this.filter = cost.filter;
        this.minValue = cost.minValue;
    }

    @Override
    public boolean pay(Ability ability, Game game, UUID sourceId, UUID controllerId, boolean noMana) {
//        paid = false;
//        Player controller = game.getPlayer(controllerId);
//        if (target.choose(Outcome.UnboostCreature, controllerId, sourceId, game)) {
//            for (UUID targetId: (List<UUID>)target.getTargets()) {
//                Permanent permanent = game.getPermanent(targetId);
//                if (permanent != null) {
//                    if (permanent.getCounters().size() > 0 && (counterTypeToRemove == null || permanent.getCounters().containsKey(counterTypeToRemove))) {
//                        String counterName = null;
//                        if (counterTypeToRemove != null) {
//                            counterName = counterTypeToRemove.getName();
//                        } else {
//                            if (permanent.getCounters().size() > 1 && counterTypeToRemove == null) {
//                                Choice choice = new ChoiceImpl(true);
//                                Set<String> choices = new HashSet<>();
//                                for (Counter counter : permanent.getCounters().values()) {
//                                    if (permanent.getCounters().getCount(counter.getName()) > 0) {
//                                        choices.add(counter.getName());
//                                    }
//                                }
//                                choice.setChoices(choices);
//                                choice.setMessage("Choose a counter to remove from " + permanent.getName());
//                                controller.choose(Outcome.UnboostCreature, choice, game);
//                                counterName = choice.getChoice();
//                            } else {
//                                for (Counter counter : permanent.getCounters().values()) {
//                                    if (counter.getCount() > 0) {
//                                        counterName = counter.getName();
//                                    }
//                                }
//                            }
//                        }
//                        if (counterName != null) {
//                            int countersToRemove = 1;
//                            if (permanent.getCounters().getCount(counterName) > 1) {
//                                countersToRemove = controller.getAmount(1, permanent.getCounters().getCount(counterName),"Remove how many counters from " + permanent.getName(), game);
//                            }
//                            permanent.removeCounters(counterName, countersToRemove, game);
//                            if (permanent.getCounters().getCount(counterName) == 0 ){
//                                permanent.getCounters().removeCounter(counterName);
//                            }
//                            this.amountPaid += countersToRemove;
//                            this.paid = true;
//                            game.informPlayers(new StringBuilder(controller.getName()).append(" removes ").append(countersToRemove).append(" ").append(counterName).append(" counter from ").append(permanent.getName()).toString());
//                        }
//                    }
//                }
//            }
//        }
//        target.clearChosen();
        return paid;
    }

    private String setText() {
        StringBuilder sb = new StringBuilder("Remove ").append(xText);
        if (counterTypeToRemove != null) {
            sb.append(" ").append(counterTypeToRemove.getName());
        }
        sb.append(" counters from among ").append(filter.getMessage());
        return sb.toString();
    }

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

    @Override
    public int getMaxValue(Ability source, Game game) {
        int maxValue = 0;
        for (Permanent permanent :game.getBattlefield().getAllActivePermanents(filter, source.getControllerId(), game)) {
            if (counterTypeToRemove != null) {
                maxValue += permanent.getCounters().getCount(counterTypeToRemove);
            } else {
                for(Counter counter :permanent.getCounters().values()){
                    maxValue += counter.getCount();
                }
            }
        }
        return maxValue;
    }

    @Override
    public Cost getFixedCostsFromAnnouncedValue(int xValue) {
        return new RemoveCounterCost(new TargetPermanent(1,Integer.MAX_VALUE, filter, true), counterTypeToRemove, xValue);
    }

}