package mage.cards.s;

import java.util.UUID;
import mage.MageInt;
import mage.ObjectColor;
import mage.abilities.Ability;
import mage.abilities.common.EntersBattlefieldAbility;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.common.SpellCastAllTriggeredAbility;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.RestrictionEffect;
import mage.abilities.effects.common.counter.AddCountersSourceEffect;
import mage.abilities.effects.common.counter.RemoveCounterSourceEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.SubType;
import mage.constants.Duration;
import mage.constants.TargetController;
import mage.constants.Zone;
import mage.counters.CounterType;
import mage.filter.FilterSpell;
import mage.filter.predicate.mageobject.ColorPredicate;
import mage.filter.predicate.permanent.ControllerPredicate;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.common.TargetCreaturePermanent;

/**
 *
 * @author jeffwadsworth

 */
public final class ShrewdHatchling extends CardImpl {
    
    private static final FilterSpell filter = new FilterSpell("blue spell");
    private static final FilterSpell filter2 = new FilterSpell("red spell");
    
    static {
        filter.add(new ControllerPredicate(TargetController.YOU));
        filter.add(new ColorPredicate(ObjectColor.BLUE));
        filter2.add(new ControllerPredicate(TargetController.YOU));
        filter2.add(new ColorPredicate(ObjectColor.RED));
    }
    
    private String rule = "Whenever you cast a blue spell, remove a -1/-1 counter from Shrewd Hatchling.";
    private String rule2 = "Whenever you cast a red spell, remove a -1/-1 counter from Shrewd Hatchling.";

    public ShrewdHatchling(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{U/R}");
        this.subtype.add(SubType.ELEMENTAL);

        this.power = new MageInt(6);
        this.toughness = new MageInt(6);

        // Shrewd Hatchling enters the battlefield with four -1/-1 counters on it.
        this.addAbility(new EntersBattlefieldAbility(new AddCountersSourceEffect(CounterType.M1M1.createInstance(4))));
        
        // {UR}: Target creature can't block Shrewd Hatchling this turn.
        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new ShrewdHatchlingEffect(), new ManaCostsImpl("{U/R}"));
        ability.addTarget(new TargetCreaturePermanent());
        this.addAbility(ability);
        
        // Whenever you cast a blue spell, remove a -1/-1 counter from Shrewd Hatchling.
        this.addAbility(new SpellCastAllTriggeredAbility(new RemoveCounterSourceEffect(CounterType.M1M1.createInstance()), filter, false, rule));
        
        // Whenever you cast a red spell, remove a -1/-1 counter from Shrewd Hatchling.
        this.addAbility(new SpellCastAllTriggeredAbility(new RemoveCounterSourceEffect(CounterType.M1M1.createInstance()), filter2, false, rule2));
        
    }

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

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

class ShrewdHatchlingEffect extends RestrictionEffect {

    public ShrewdHatchlingEffect() {
        super(Duration.EndOfTurn);
        staticText = "Target creature can't block {this} this turn";
    }

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

    @Override
    public boolean applies(Permanent permanent, Ability source, Game game) {
        if (permanent.getId().equals(source.getSourceId())) {
            return true;
        }
        return false;
    }

    @Override
    public boolean canBeBlocked(Permanent attacker, Permanent blocker, Ability source, Game game) {
        UUID targetId = source.getFirstTarget();
        if (targetId != null && blocker.getId().equals(targetId))
            return false;
        return true;
    }

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

}