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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.o;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.costs.common.TapSourceCost;
import mage.abilities.costs.mana.ColoredManaCost;
import mage.abilities.effects.OneShotEffect;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.cards.Cards;
import mage.cards.CardsImpl;
import mage.constants.CardType;
import mage.constants.ColoredManaSymbol;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.filter.FilterCard;
import mage.game.Game;
import mage.players.Player;
import mage.target.TargetCard;

/**
 *
 * @author Mitchel Stein
 */
public class OrcishLibrarian extends CardImpl {

    public OrcishLibrarian(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{1}{R}");
        this.subtype.add("Orc");

        this.power = new MageInt(1);
        this.toughness = new MageInt(1);

        // {R}, {tap}: Look at the top eight cards of your library. Exile four of them at random, then put the rest on top of your library in any order.
        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new OrcishLibrarianEffect(), new ColoredManaCost(ColoredManaSymbol.R));
        ability.addCost(new TapSourceCost());
        this.addAbility(ability);
    }

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

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

class OrcishLibrarianEffect extends OneShotEffect {

    public OrcishLibrarianEffect() {
        super(Outcome.Neutral);
        this.staticText = "Look at the top eight cards of your library. Exile four of them at random, then put the rest on top of your library in any order.";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player player = game.getPlayer(source.getControllerId());

        if (player != null) {
            Cards cards = new CardsImpl();
            int cardsCount = Math.min(8, player.getLibrary().size());
            for (int i = 0; i < cardsCount; i++) {
                Card card = player.getLibrary().removeFromTop(game);
                if (card != null) {
                    cards.add(card);
                }
            }

            if (!cards.isEmpty()) {
                for (int i = 0; i < 4; i++)
                {
                    if (!cards.isEmpty())
                    {
                        Card card = cards.getRandom(game);
                        player.moveCardToExileWithInfo(card, null, null, source.getId(), game, Zone.LIBRARY, true);
                        cards.remove(card);
                    }
                }
                player.lookAtCards("OrcishLibrarian", cards, game);
                TargetCard target = new TargetCard (Zone.LIBRARY, new FilterCard("card to put on the top of target player's library"));
                while (player.canRespond() && !cards.isEmpty()) {
                    player.choose(Outcome.Neutral, cards, target, game);
                    Card card = cards.get(target.getFirstTarget(), game);
                    if (card != null) {
                        cards.remove(card);
                        card.moveToZone(Zone.LIBRARY, source.getSourceId(), game, true);
                    }
                    target.clearChosen();
                }
            }
            return true;
        }
        return false;
    }
}