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package mage.cards.m;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.SpellAbility;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.costs.common.SacrificeTargetCost;
import mage.abilities.effects.common.ReturnSourceFromGraveyardToHandEffect;
import mage.abilities.effects.common.cost.CostModificationEffectImpl;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.CostModificationType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.filter.FilterPermanent;
import mage.filter.common.FilterControlledArtifactPermanent;
import mage.filter.predicate.Predicates;
import mage.filter.predicate.mageobject.CardTypePredicate;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.common.TargetControlledPermanent;
import mage.util.CardUtil;

/**
 *
 * @author emerald000
 */
public class MetalworkColossus extends CardImpl {

    public MetalworkColossus(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.ARTIFACT,CardType.CREATURE},"{11}");
        this.subtype.add("Construct");
        this.power = new MageInt(10);
        this.toughness = new MageInt(10);

        // Metalwork Colossus costs {X} less to cast, where X is the total converted mana cost of noncreature artifacts you control.
        this.addAbility(new SimpleStaticAbility(Zone.STACK, new MetalworkColossusCostReductionEffect()));

        // Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.
        this.addAbility(new SimpleActivatedAbility(Zone.GRAVEYARD, new ReturnSourceFromGraveyardToHandEffect(), new SacrificeTargetCost(new TargetControlledPermanent(2, 2, new FilterControlledArtifactPermanent("two artifacts"), true))));
    }

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

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

class MetalworkColossusCostReductionEffect extends CostModificationEffectImpl {

    private static final FilterPermanent filter = new FilterControlledArtifactPermanent("noncreature artifacts you control");
    static {
        filter.add(Predicates.not(new CardTypePredicate(CardType.CREATURE)));
    }

    MetalworkColossusCostReductionEffect() {
        super(Duration.Custom, Outcome.Benefit, CostModificationType.REDUCE_COST);
        staticText = "{this} costs {X} less to cast, where X is the total converted mana cost of noncreature artifacts you control";
    }

    MetalworkColossusCostReductionEffect(final MetalworkColossusCostReductionEffect effect) {
        super(effect);
    }

    @Override
    public boolean apply(Game game, Ability source, Ability abilityToModify) {
        int totalCMC = 0;
        for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, source.getControllerId(), source.getSourceId(), game)) {
            totalCMC += permanent.getConvertedManaCost();
        }
        CardUtil.reduceCost(abilityToModify, totalCMC);
        return true;
    }

    @Override
    public boolean applies(Ability abilityToModify, Ability source, Game game) {
        return abilityToModify.getSourceId().equals(source.getSourceId()) && (abilityToModify instanceof SpellAbility);
    }

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