/*
 *  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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 *  authors and should not be interpreted as representing official policies, either expressed
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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.abilities.keyword.FlyingAbility;
import mage.filter.FilterPermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class GainAbilityControlledEffect extends ContinuousEffectImpl<GainAbilityControlledEffect> {

	protected Ability ability;
	protected boolean excludeSource;
	protected FilterPermanent filter;

	public GainAbilityControlledEffect(Ability ability, Duration duration) {
		this(ability, duration, new FilterPermanent());
	}

	public GainAbilityControlledEffect(Ability ability, Duration duration, FilterPermanent filter) {
		this(ability, duration, filter, false);
	}

	public GainAbilityControlledEffect(Ability ability, Duration duration, FilterPermanent filter, boolean excludeSource) {
		super(duration, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.AddAbility);
		this.ability = ability;
		this.filter = filter;
		this.excludeSource = excludeSource;
		setText();
	}

	public GainAbilityControlledEffect(final GainAbilityControlledEffect effect) {
		super(effect);
		this.ability = effect.ability.copy();
		this.filter = effect.filter.copy();
		this.excludeSource = effect.excludeSource;
	}

	@Override
	public void init(Ability source, Game game) {
		super.init(source, game);
		if (this.affectedObjectsSet) {
			for (Permanent perm: game.getBattlefield().getAllActivePermanents(filter, source.getControllerId())) {
				if (!(excludeSource && perm.getId().equals(source.getSourceId()))) {
					objects.add(perm.getId());
				}
			}
		}
	}

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

	@Override
	public boolean apply(Game game, Ability source) {
		for (Permanent perm: game.getBattlefield().getAllActivePermanents(filter, source.getControllerId())) {
			if (!this.affectedObjectsSet || objects.contains(perm.getId())) {
				if (!(excludeSource && perm.getId().equals(source.getSourceId()))) {
					perm.addAbility(ability);
				}
			}
		}
		return true;
	}

	private void setText() {
		StringBuilder sb = new StringBuilder();
		if (excludeSource)
			sb.append("Other ");
		sb.append(filter.getMessage()).append(" you control ");
                if (duration.equals(Duration.WhileOnBattlefield))
                    sb.append("have ");
                else
                    sb.append("gain ");
		sb.append(ability.getRule()).append(" ").append(duration.toString());
		staticText = sb.toString();
	}

}