/*
 *  Copyright 2011 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
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 *  The views and conclusions contained in the software and documentation are those of the
 *  authors and should not be interpreted as representing official policies, either expressed
 *  or implied, of BetaSteward_at_googlemail.com.
 */

package mage.abilities.costs.common;

import java.util.UUID;
import mage.Constants.Outcome;
import mage.abilities.Ability;
import mage.abilities.costs.CostImpl;
import mage.abilities.costs.VariableCost;
import mage.filter.FilterMana;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.common.TargetControlledPermanent;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class TapVariableTargetCost extends CostImpl<TapVariableTargetCost> implements VariableCost {

	protected int amountPaid = 0;
	protected TargetControlledPermanent target;

	public TapVariableTargetCost(TargetControlledPermanent target) {
		this.target = target;
		this.text = "tap X " + target.getTargetName() + " you control";
	}

	public TapVariableTargetCost(final TapVariableTargetCost cost) {
		super(cost);
		this.target = cost.target.copy();
		this.amountPaid = cost.amountPaid;
	}

	@Override
	public boolean canPay(UUID sourceId, UUID controllerId, Game game) {
		return target.canChoose(controllerId, game);
	}

	@Override
	public boolean pay(Ability ability, Game game, UUID sourceId, UUID controllerId, boolean noMana) {
		amountPaid = 0;
		while (true) {
			target.clearChosen();
			if (target.choose(Outcome.Tap, controllerId, sourceId, game)) {
				Permanent permanent = game.getPermanent(target.getFirstTarget());
				if (permanent != null && permanent.tap(game)) {
					amountPaid++;
				}
			}
			else {
				break;
			}
		}
		paid = true;
		return true;
	}

	@Override
	public void clearPaid() {
		paid = false;
		amountPaid = 0;
	}

	@Override
	public int getAmount() {
		return amountPaid;
	}

	@Override
	public void setFilter(FilterMana filter) {
	}

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

}