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 *        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.sets.riseoftheeldrazi;

import java.util.Iterator;
import java.util.UUID;
import mage.Constants.CardType;
import mage.Constants.Outcome;
import mage.Constants.Rarity;
import mage.Constants.Zone;
import mage.MageInt;
import mage.ObjectColor;
import mage.abilities.Ability;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.costs.mana.ManaCost;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.keyword.TrampleAbility;
import mage.cards.CardImpl;
import mage.filter.common.FilterControlledCreaturePermanent;
import mage.game.Game;

/**
 *
 * @author maurer.it_at_gmail.com
 */
public class KhalniHydra extends CardImpl<KhalniHydra> {

	private static final FilterControlledCreaturePermanent filter;

	static {
		filter = new FilterControlledCreaturePermanent();
		filter.setUseColor(true);
		filter.setColor(ObjectColor.GREEN);
	}

	public KhalniHydra(UUID ownerId) {
		super(ownerId, 192, "Khalni Hydra", Rarity.MYTHIC, new CardType[]{CardType.CREATURE}, "{G}{G}{G}{G}{G}{G}{G}{G}");
		this.expansionSetCode = "ROE";
		this.subtype.add("Hydra");

		this.color.setGreen(true);
		this.power = new MageInt(8);
		this.toughness = new MageInt(8);
		this.addAbility(new SimpleStaticAbility(Zone.STACK, new KhalniHydraCostReductionEffect()));
		this.addAbility(TrampleAbility.getInstance());
	}

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

	@Override
	public void adjustCosts(Ability ability, Game game) {
		super.adjustCosts(ability, game);
		int reductionAmount = game.getBattlefield().getAllActivePermanents(filter).size();
		Iterator<ManaCost> iter = ability.getManaCostsToPay().iterator();

		while ( reductionAmount > 0 && iter.hasNext() ) {
			iter.next();
			iter.remove();
			reductionAmount--;
		}
	}

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

class KhalniHydraCostReductionEffect extends OneShotEffect<KhalniHydraCostReductionEffect> {
	private static final String effectText = "{this} costs {G} less to cast for each green creature you control";

	KhalniHydraCostReductionEffect ( ) {
		super(Outcome.Benefit);
		this.staticText = effectText;
	}

	KhalniHydraCostReductionEffect ( KhalniHydraCostReductionEffect effect ) {
		super(effect);
	}

	@Override
	public boolean apply(Game game, Ability source) {
		return false;
	}

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

}
