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 *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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 *        conditions and the following disclaimer.
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 *        of conditions and the following disclaimer in the documentation and/or other materials
 *        provided with the distribution.
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package mage.cards.m;

import java.util.Set;
import java.util.UUID;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.common.DiesTriggeredAbility;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.ExileSourceEffect;
import mage.abilities.keyword.TrampleAbility;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.filter.common.FilterCreatureCard;
import mage.game.Game;
import mage.players.Player;
import mage.util.RandomUtil;

/**
 *
 * @author North
 */
public class MoldgrafMonstrosity extends CardImpl {

    public MoldgrafMonstrosity(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{4}{G}{G}{G}");
        this.subtype.add("Insect");

        this.power = new MageInt(8);
        this.toughness = new MageInt(8);

        this.addAbility(TrampleAbility.getInstance());
        // When Moldgraf Monstrosity dies, exile it, then return two creature cards at random from your graveyard to the battlefield.
        DiesTriggeredAbility ability = new DiesTriggeredAbility(new ExileSourceEffect());
        ability.addEffect(new MoldgrafMonstrosityEffect());
        this.addAbility(ability);
    }

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

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

class MoldgrafMonstrosityEffect extends OneShotEffect {

    public MoldgrafMonstrosityEffect() {
        super(Outcome.ReturnToHand);
        this.staticText = "then return two creature cards at random from your graveyard to the battlefield";
    }

    public MoldgrafMonstrosityEffect(final MoldgrafMonstrosityEffect effect) {
        super(effect);
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        boolean returned = false;
        Player player = game.getPlayer(source.getControllerId());
        if (player != null) {
            Set<Card> cards = player.getGraveyard().getCards(new FilterCreatureCard("creature cards"), game);

            for (int i = 0; i < 2; i++) {
                Card card = getRandomCard(cards);
                if (card != null) {
                    returned |= card.putOntoBattlefield(game, Zone.GRAVEYARD, source.getSourceId(), source.getControllerId());
                    cards.remove(card);
                }
            }
        }
        return returned;
    }

    private Card getRandomCard(Set<Card> cards) {
        if (cards == null || cards.size() < 1) {
            return null;
        }
        int i = 0;
        int pick = RandomUtil.nextInt(cards.size());
        for (Card card : cards) {
            if (i == pick) {
                return card;
            }
            i = i + 1;
        }
        return null;
    }
}