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

import mage.abilities.Ability;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.effects.Effect;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.DrawCardSourceControllerEffect;
import mage.abilities.effects.common.continuous.MaximumHandSizeControllerEffect;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.cards.CardsImpl;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.PhaseStep;
import mage.game.Game;
import mage.game.turn.Step;
import mage.players.Player;
import mage.target.common.TargetCardInHand;

import java.util.UUID;

/**
 *
 * @author LevelX2
 */
public class EnterTheInfinite extends CardImpl {

    public EnterTheInfinite(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.SORCERY},"{8}{U}{U}{U}{U}");

        // Draw cards equal to the number of cards in your library,
        this.getSpellAbility().addEffect(new DrawCardSourceControllerEffect(new CardsInControllerLibraryCount()));
        //then put a card from your hand on top of your library.
        this.getSpellAbility().addEffect(new PutCardOnLibraryEffect());
        //You have no maximum hand size until your next turn.
        this.getSpellAbility().addEffect(new MaximumHandSizeEffect());
    }

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

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

class CardsInControllerLibraryCount implements DynamicValue {

    @Override
    public int calculate(Game game, Ability sourceAbility, Effect effect) {
        if (sourceAbility != null) {
            Player controller = game.getPlayer(sourceAbility.getControllerId());
            if (controller != null) {
                return controller.getLibrary().size();
            }
        }
        return 0;
    }

    @Override
    public DynamicValue copy() {
        return new CardsInControllerLibraryCount();
    }

    @Override
    public String getMessage() {
        return "card in your library";
    }

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

class PutCardOnLibraryEffect extends OneShotEffect {

    public PutCardOnLibraryEffect() {
        super(Outcome.DrawCard);
        staticText = "Then put a card from your hand on top of your library";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
        if (controller != null) {
            TargetCardInHand target = new TargetCardInHand();
            controller.chooseTarget(Outcome.ReturnToHand, target, source, game);
            Card card = controller.getHand().get(target.getFirstTarget(), game);
            if (card != null) {
                controller.putCardsOnTopOfLibrary(new CardsImpl(card), game, source, false);
            }
            return true;
        }
        return false;
    }
}

class MaximumHandSizeEffect extends MaximumHandSizeControllerEffect {

    public MaximumHandSizeEffect() {
        super(Integer.MAX_VALUE, Duration.Custom, MaximumHandSizeControllerEffect.HandSizeModification.SET);
        staticText = "You have no maximum hand size until your next turn";
    }

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

    @Override
    public boolean isInactive(Ability source, Game game) {
        if (game.getPhase().getStep().getType() == PhaseStep.UNTAP && game.getStep().getStepPart() == Step.StepPart.PRE) {
            if (game.getActivePlayerId().equals(source.getControllerId())) {
                return true;
            }
        }
        return false;
    }

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