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 *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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 *     1. Redistributions of source code must retain the above copyright notice, this list of
 *        conditions and the following disclaimer.
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 *     2. Redistributions in binary form must reproduce the above copyright notice, this list
 *        of conditions and the following disclaimer in the documentation and/or other materials
 *        provided with the distribution.
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 *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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package mage.cards.u;

import java.util.Set;
import java.util.UUID;

import mage.MageObjectReference;
import mage.abilities.Ability;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.effects.Effect;
import mage.abilities.effects.common.SacrificeEffect;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.filter.common.FilterCreaturePermanent;
import mage.game.Game;
import mage.players.Player;
import mage.target.common.TargetOpponent;
import mage.watchers.common.CardsPutIntoGraveyardWatcher;

/**
 *
 * @author andyfries
 */
public class UrborgJustice extends CardImpl {

    public UrborgJustice(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.INSTANT},"{B}{B}");

        // Target opponent sacrifices a creature for each creature put into your graveyard from the battlefield this turn.
        this.getSpellAbility().addWatcher(new CardsPutIntoGraveyardWatcher());
        SacrificeEffect sacrificeEffect = new SacrificeEffect(new FilterCreaturePermanent(), new UrborgJusticeDynamicValue(), "");
        sacrificeEffect.setText("Target opponent sacrifices a creature for each creature put into your graveyard from the battlefield this turn");

        this.getSpellAbility().addEffect(sacrificeEffect);
        this.getSpellAbility().addTarget(new TargetOpponent());
    }

    public UrborgJustice(final UrborgJustice card) {
        super(card);
    }

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

class UrborgJusticeDynamicValue implements DynamicValue {

    @Override
    public UrborgJusticeDynamicValue copy() {
        return new UrborgJusticeDynamicValue();
    }

    @Override
    public String toString() {
        return "1";
    }

    @Override
    public String getMessage() {
        return "creature put into your graveyard from the battlefield this turn";
    }

    @Override
    public int calculate(Game game, Ability sourceAbility, Effect effect) {
        CardsPutIntoGraveyardWatcher watcher = (CardsPutIntoGraveyardWatcher) game.getState().getWatchers().get(CardsPutIntoGraveyardWatcher.class.getSimpleName());

        int count = 0;
        Player controller = game.getPlayer(sourceAbility.getControllerId());
        if (controller != null && watcher != null) {
            Set<MageObjectReference> cardsInGraveyard = watcher.getCardsPutToGraveyardFromBattlefield();
            for (MageObjectReference mor : cardsInGraveyard) {
                if (game.getState().getZoneChangeCounter(mor.getSourceId()) == mor.getZoneChangeCounter()) {
                    Card card = game.getCard(mor.getSourceId());
                    if (card != null && card.getOwnerId().equals(sourceAbility.getControllerId()) && card.isCreature()) {
                        count++;
                    }
                }
            }
        }
        return count;
    }
}