/*
 *  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.keyword;

import java.io.ObjectStreamException;
import mage.abilities.MageSingleton;
import mage.abilities.OpeningHandAction;
import mage.abilities.StaticAbility;
import mage.cards.Card;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.Game;
import mage.players.Player;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class LeylineAbility extends StaticAbility implements MageSingleton, OpeningHandAction {

    private static final LeylineAbility instance = new LeylineAbility();

    private Object readResolve() throws ObjectStreamException {
        return instance;
    }

    public static LeylineAbility getInstance() {
        return instance;
    }

    private LeylineAbility() {
        super(Zone.HAND, null);
    }

    @Override
    public String getRule() {
        return "If {this} is in your opening hand, you may begin the game with it on the battlefield.";
    }

    @Override
    public LeylineAbility copy() {
        return instance;
    }

    @Override
    public boolean askUseOpeningHandAction(Card card, Player player, Game game) {
        return player.chooseUse(Outcome.PutCardInPlay, "Do you wish to put " + card.getName() + " on the battlefield?", this, game);
    }

    @Override
    public boolean isOpeningHandActionAllowed(Card card, Player player, Game game) {
        return true;
    }

    @Override
    public void doOpeningHandAction(Card card, Player player, Game game) {
        player.moveCards(card, Zone.BATTLEFIELD, this, game);
    }
}