/*
 *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
 *
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 *
 *     1. Redistributions of source code must retain the above copyright notice, this list of
 *        conditions and the following disclaimer.
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 *     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
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 */
package mage.abilities.effects.common;

import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.effects.OneShotEffect;
import mage.cards.Card;
import mage.cards.Cards;
import mage.cards.CardsImpl;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.filter.FilterCard;
import mage.game.Game;
import mage.players.Player;
import mage.util.CardUtil;

/**
 *
 * @author LoneFox
 */
public class EnvoyEffect extends OneShotEffect {

    private final FilterCard filter;
    private final int numCards;

    public EnvoyEffect(FilterCard filter, int numCards) {
        super(Outcome.DrawCard);
        this.filter = filter;
        this.numCards = numCards;
    }

    public EnvoyEffect(final EnvoyEffect effect) {
        super(effect);
        this.filter = effect.filter.copy();
        this.numCards = effect.numCards;
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
        MageObject sourceObject = game.getObject(source.getSourceId());
        if (controller == null || sourceObject == null) {
            return false;
        }
        Cards cards = new CardsImpl();
        cards.addAll(controller.getLibrary().getTopCards(game, numCards));
        controller.revealCards(sourceObject.getIdName(), cards, game);
        Cards cardsToHand = new CardsImpl();
        for (Card card : cards.getCards(game)) {
            if (filter.match(card, game)) {
                cardsToHand.add(card);
            }
        }
        cards.removeAll(cardsToHand);
        controller.moveCards(cardsToHand, Zone.HAND, source, game);
        controller.putCardsOnBottomOfLibrary(cards, game, source, true);
        return true;
    }

    @Override
    public String getText(Mode mode) {
        if (staticText != null && !staticText.isEmpty()) {
            return staticText;
        }

        return "Reveal the top " + CardUtil.numberToText(numCards) + " cards of your library. Put all "
                + filter.getMessage() + " revealed this way into your hand and the rest on the bottom of your library in any order.";
    }
}