/*
 *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without modification, are
 *  permitted provided that the following conditions are met:
 *
 *     1. Redistributions of source code must retain the above copyright notice, this list of
 *        conditions and the following disclaimer.
 *
 *     2. Redistributions in binary form must reproduce the above copyright notice, this list
 *        of conditions and the following disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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package mage.sets.magic2011;

import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.abilities.effects.common.AttachEffect;
import mage.abilities.keyword.EnchantAbility;
import mage.abilities.keyword.ForestwalkAbility;
import mage.cards.CardImpl;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Layer;
import mage.constants.Outcome;
import mage.constants.Rarity;
import mage.constants.SubLayer;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.TargetPermanent;
import mage.target.common.TargetCreaturePermanent;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class DryadsFavor extends CardImpl {

    public DryadsFavor(UUID ownerId) {
        super(ownerId, 169, "Dryad's Favor", Rarity.COMMON, new CardType[]{CardType.ENCHANTMENT}, "{G}");
        this.expansionSetCode = "M11";
        this.subtype.add("Aura");

        // Enchant creature
        TargetPermanent auraTarget = new TargetCreaturePermanent();
        this.getSpellAbility().addTarget(auraTarget);
        this.getSpellAbility().addEffect(new AttachEffect(Outcome.Benefit));
        Ability ability = new EnchantAbility(auraTarget.getTargetName());
        this.addAbility(ability);
        // Enchanted creature has forestwalk.
        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new DryadsFavorEffect()));
    }

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

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

class DryadsFavorEffect extends ContinuousEffectImpl {

    public DryadsFavorEffect() {
        super(Duration.WhileOnBattlefield, Outcome.Detriment);
        staticText = "Enchanted creature has forestwalk";
    }

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

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

    @Override
    public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
        Permanent enchantment = game.getPermanent(source.getSourceId());
        if (enchantment != null && enchantment.getAttachedTo() != null) {
            Permanent creature = game.getPermanent(enchantment.getAttachedTo());
            if (creature != null) {
                switch (layer) {
                    case AbilityAddingRemovingEffects_6:
                        if (sublayer == SubLayer.NA) {
                            creature.addAbility(new ForestwalkAbility(), source.getSourceId(), game);
                        }
                        break;
                }
                return true;
            }
        }
        return false;
    }

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

    @Override
    public boolean hasLayer(Layer layer) {
        return layer == Layer.AbilityAddingRemovingEffects_6;
    }
    
}