/*
 * Forge: Play Magic: the Gathering.
 * Copyright (C) 2011  Forge Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package forge.card.cost;

import forge.Card;
import forge.card.spellability.SpellAbility;
import forge.game.GameState;
import forge.game.player.AIPlayer;
import forge.game.player.Player;

/**
 * The Class CostTap.
 */
public class CostTap extends CostPart {

    /**
     * Instantiates a new cost tap.
     */
    public CostTap() {
    }
    
    @Override
    public boolean isUndoable() { return true; }
    

    @Override
    public boolean isReusable() { return true; }

    
    /*
     * (non-Javadoc)
     * 
     * @see forge.card.cost.CostPart#toString()
     */
    @Override
    public final String toString() {
        return "Tap";
    }

    /*
     * (non-Javadoc)
     * 
     * @see forge.card.cost.CostPart#refund(forge.Card)
     */
    @Override
    public final void refund(final Card source) {
        source.setTapped(false);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * forge.card.cost.CostPart#canPay(forge.card.spellability.SpellAbility,
     * forge.Card, forge.Player, forge.card.cost.Cost)
     */
    @Override
    public final boolean canPay(final SpellAbility ability, final Card source, final Player activator, final Cost cost, final GameState game) {
        return source.isUntapped() && (!source.isSick() || source.hasKeyword("CARDNAME may activate abilities as though it has haste."));
    }

    /*
     * (non-Javadoc)
     * 
     * @see forge.card.cost.CostPart#payAI(forge.card.spellability.SpellAbility,
     * forge.Card, forge.card.cost.Cost_Payment)
     */
    @Override
    public final void payAI(final AIPlayer ai, final SpellAbility ability, final Card source, final CostPayment payment, final GameState game) {
        source.tap();
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * forge.card.cost.CostPart#payHuman(forge.card.spellability.SpellAbility,
     * forge.Card, forge.card.cost.Cost_Payment)
     */
    @Override
    public final boolean payHuman(final SpellAbility ability, final GameState game) {
        // if (!canPay(ability, source, ability.getActivatingPlayer(),
        // payment.getCost()))
        // return false;

        ability.getSourceCard().tap();
        return true;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * forge.card.cost.CostPart#decideAIPayment(forge.card.spellability.SpellAbility
     * , forge.Card, forge.card.cost.Cost_Payment)
     */
    @Override
    public final boolean decideAIPayment(final AIPlayer ai, final SpellAbility ability, final Card source, final CostPayment payment) {
        return true;
    }
}