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 *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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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.continious;

import mage.Constants.Duration;
import mage.Constants.Layer;
import mage.Constants.Outcome;
import mage.Constants.SubLayer;
import mage.abilities.Ability;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.filter.common.FilterCreaturePermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;

/**
 *
 * @author LevelX2
 */
public class CantBeBlockedByOneAllEffect extends ContinuousEffectImpl<CantBeBlockedByOneAllEffect> {

    private FilterCreaturePermanent filter;
    protected int amount;

    public CantBeBlockedByOneAllEffect(int amount, FilterCreaturePermanent filter) {
        this(amount, filter, Duration.WhileOnBattlefield);
    }

    public CantBeBlockedByOneAllEffect(int amount, FilterCreaturePermanent filter, Duration duration) {
        super(duration, Outcome.Benefit);
        this.amount = amount;
        this.filter = filter;
        staticText = "Each " + filter.getMessage() + " can't be blocked except by " + amount + " or more creatures";
    }

    public CantBeBlockedByOneAllEffect(final CantBeBlockedByOneAllEffect effect) {
        super(effect);
        this.amount = effect.amount;
        this.filter = effect.filter;
    }

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

    @Override
    public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
        switch (layer) {
            case RulesEffects:
                for (Permanent perm: game.getBattlefield().getActivePermanents(filter, source.getControllerId(), source.getSourceId(), game)) {
                    perm.setMinBlockedBy(amount);
                }
                break;
            }
        return true;
    }

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

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