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package mage.cards.a;

import mage.abilities.Ability;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.abilities.effects.common.combat.CanAttackAsThoughItDidntHaveDefenderTargetEffect;
import mage.abilities.effects.common.continuous.BoostControlledEffect;
import mage.abilities.keyword.DefenderAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.*;
import mage.filter.common.FilterCreaturePermanent;
import mage.filter.predicate.mageobject.AbilityPredicate;
import mage.filter.predicate.permanent.ControllerIdPredicate;
import mage.game.Game;
import mage.target.common.TargetCreaturePermanent;

import java.util.UUID;

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

    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent("creature with defender");

    static {
        filter.add(new AbilityPredicate(DefenderAbility.class));
    }

    public AssaultFormation(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{1}{G}");

        // Each creature you control assigns combat damage equal to its toughness rather than its power.
        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new AssaultFormationCombatDamageRuleEffect()));

        // {G}: Target creature with defender can attack this turn as though it didn't have defender.
        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new CanAttackAsThoughItDidntHaveDefenderTargetEffect(Duration.EndOfTurn), new ManaCostsImpl("{G}"));
        ability.addTarget(new TargetCreaturePermanent(filter));
        this.addAbility(ability);

        // {2}{G}: Creatures you control get +0/+1 until end of turn.
        this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new BoostControlledEffect(0,1,Duration.EndOfTurn), new ManaCostsImpl("{2}{G}")));

    }

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

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

class AssaultFormationCombatDamageRuleEffect extends ContinuousEffectImpl {

    public AssaultFormationCombatDamageRuleEffect() {
        super(Duration.WhileOnBattlefield, Outcome.Detriment);
        staticText = "Each creature you control assigns combat damage equal to its toughness rather than its power";
    }

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

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

    @Override
    public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
        // Change the rule
        FilterCreaturePermanent filter = new FilterCreaturePermanent();
        filter.add(new ControllerIdPredicate(source.getControllerId()));
        game.getCombat().setUseToughnessForDamage(true);
        game.getCombat().addUseToughnessForDamageFilter(filter);
        return true;
    }

    @Override
    public boolean apply(Game game, Ability source) {
        return false;
    }

    @Override
    public boolean hasLayer(Layer layer) {
        return layer == Layer.RulesEffects;
    }
}