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package mage.sets.magic2015;

import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.SpellAbility;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.effects.EntersBattlefieldEffect;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.CastSourceTriggeredAbility;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.Cards;
import mage.cards.CardsImpl;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Rarity;
import mage.constants.Zone;
import mage.counters.CounterType;
import mage.filter.Filter.ComparisonType;
import mage.filter.FilterCard;
import mage.filter.common.FilterPermanentCard;
import mage.filter.predicate.Predicates;
import mage.filter.predicate.mageobject.CardTypePredicate;
import mage.filter.predicate.mageobject.ConvertedManaCostPredicate;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.TargetCard;

import java.util.UUID;



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

    public GenesisHydra(UUID ownerId) {
        super(ownerId, 176, "Genesis Hydra", Rarity.RARE, new CardType[]{CardType.CREATURE}, "{X}{G}{G}");
        this.expansionSetCode = "M15";
        this.subtype.add("Plant");
        this.subtype.add("Hydra");

        this.power = new MageInt(0);
        this.toughness = new MageInt(0);


        // When you cast Genesis Hydra, reveal the top X cards of your library. You may put a nonland permanent card with converted mana cost X or less from among them onto the battlefield. Then shuffle the rest into your library.
        this.addAbility(new CastSourceTriggeredAbility(new GenesisHydraPutOntoBattlefieldEffect(), false));
        // Genesis Hydra enters the battlefield with X +1/+1 counters on it.
        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new EntersBattlefieldEffect(new GenesisHydraEntersBattlefieldEffect())));
    }

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

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

class GenesisHydraEntersBattlefieldEffect extends OneShotEffect {

    public GenesisHydraEntersBattlefieldEffect() {
        super(Outcome.BoostCreature);
        staticText = "{this} enters the battlefield with X +1/+1 counters on it";
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Permanent permanent = game.getPermanent(source.getSourceId());
        if (permanent != null) {
            Object obj = getValue(EntersBattlefieldEffect.SOURCE_CAST_SPELL_ABILITY);
            if (obj != null && obj instanceof SpellAbility) {
                // delete to prevent using it again if put into battlefield from other effect
                setValue(mage.abilities.effects.EntersBattlefieldEffect.SOURCE_CAST_SPELL_ABILITY, null);
                SpellAbility spellAbility = (SpellAbility) obj;
                if (spellAbility.getSourceId().equals(source.getSourceId())) { // put into play by normal cast
                    int amount = spellAbility.getManaCostsToPay().getX();
                    if (amount > 0) {
                        permanent.addCounters(CounterType.P1P1.createInstance(amount), game);
                    }
                }
            }
        }
        return true;
    }

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

}

class GenesisHydraPutOntoBattlefieldEffect extends OneShotEffect {

    public GenesisHydraPutOntoBattlefieldEffect() {
        super(Outcome.PutCardInPlay);
        staticText = "reveal the top X cards of your library. You may put a nonland permanent card with converted mana cost X or less from among them onto the battlefield. Then shuffle the rest into your library";
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
        if (controller == null) {
            return false;
        }
        Cards cards = new CardsImpl();

        Object obj = getValue(CastSourceTriggeredAbility.SOURCE_CAST_SPELL_ABILITY);
        int count = 0;
        if (obj != null && obj instanceof SpellAbility) {
            count = ((SpellAbility) obj).getManaCostsToPay().getX();
            // using other var because of tooltip
            int size = Math.min(controller.getLibrary().size(), count);
            for (int i = 0; i < size; i++) {
                Card card = controller.getLibrary().removeFromTop(game);
                cards.add(card);
            }
        }

        if (cards.size() > 0) {
            controller.revealCards("Genesis Hydra", cards, game);
        }

        FilterCard filter = new FilterPermanentCard("a nonland permanent card with converted mana cost " + count + " or less to put onto the battlefield");
        filter.add(Predicates.not(new CardTypePredicate(CardType.LAND)));
        filter.add(new ConvertedManaCostPredicate(ComparisonType.LessThan, count + 1));
        TargetCard target1 = new TargetCard(Zone.LIBRARY, filter);
        target1.setRequired(false);
        if (cards.count(filter, controller.getId(), source.getSourceId(), game) > 0) {
            if (controller.choose(Outcome.PutCardInPlay, cards, target1, game)) {
                Card card = cards.get(target1.getFirstTarget(), game);
                if (card != null) {
                    cards.remove(card);
                    controller.putOntoBattlefieldWithInfo(card, game, Zone.LIBRARY, source.getSourceId());
                }
                target1.clearChosen();
            } else {
                game.informPlayers(controller.getLogName() + " didn't choose anything");
            }
        } else {
            game.informPlayers("No nonland permanent card with converted mana cost " + count + " or less to choose.");
        }
        while (cards.size() > 0) {
            Card card = cards.get(cards.iterator().next(), game);
            cards.remove(card);
            card.moveToZone(Zone.LIBRARY, source.getSourceId(), game, true);
        }
        controller.shuffleLibrary(game);
        return true;
    }

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

}