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 *        conditions and the following disclaimer.
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 *        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.abilities.effects.common.continuous;

import mage.abilities.Ability;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.constants.Duration;
import mage.constants.Layer;
import mage.constants.Outcome;
import mage.constants.SubLayer;
import mage.filter.FilterSpell;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.game.stack.Spell;
import mage.game.stack.StackObject;
import mage.players.Player;

/**
 *
 * @author Styxo
 */
public class GainAbilityControlledSpellsEffect extends ContinuousEffectImpl {

    private final Ability ability;
    private final FilterSpell filter;

    public GainAbilityControlledSpellsEffect(Ability ability, FilterSpell filter) {
        super(Duration.WhileOnBattlefield, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.AddAbility);
        this.ability = ability;
        this.filter = filter;
        staticText = filter.getMessage() + " you cast have " + ability.getRule();
    }

    public GainAbilityControlledSpellsEffect(final GainAbilityControlledSpellsEffect effect) {
        super(effect);
        this.ability = effect.ability;
        this.filter = effect.filter;
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player player = game.getPlayer(source.getControllerId());
        Permanent permanent = game.getPermanent(source.getSourceId());
        if (player != null && permanent != null) {
            for (StackObject stackObject : game.getStack()) {
                // only spells cast, so no copies of spells
                if ((stackObject instanceof Spell) && !stackObject.isCopy() && stackObject.getControllerId().equals(source.getControllerId())) {
                    Spell spell = (Spell) stackObject;
                    if (filter.match(spell, game)) {
                        if (!spell.getAbilities().contains(ability)) {
                            game.getState().addOtherAbility(spell.getCard(), ability);
                        }
                    }
                }
            }
            return true;
        }
        return false;
    }
}