/*
 *  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
 *  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.
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 *  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.effects.common;

import mage.constants.Outcome;
import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.StaticValue;
import mage.abilities.effects.OneShotEffect;
import mage.game.Game;
import mage.players.Player;

import java.util.UUID;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class GainLifeTargetEffect extends OneShotEffect {

    private DynamicValue life;

    public GainLifeTargetEffect(int life) {
        this(new StaticValue(life));
    }

    public GainLifeTargetEffect(DynamicValue life) {
        super(Outcome.GainLife);
        this.life = life;
    }

    public GainLifeTargetEffect(final GainLifeTargetEffect effect) {
        super(effect);
        this.life = effect.life;
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        for (UUID playerId: targetPointer.getTargets(game, source)) {
            Player player = game.getPlayer(playerId);
            if (player != null) {
                player.gainLife(life.calculate(game, source, this), game);
            }
        }
        return true;
    }

    @Override
    public String getText(Mode mode) {
        if (!staticText.isEmpty()) {
            return staticText;
        }
        StringBuilder sb = new StringBuilder();
        String message = life.getMessage();

        if (!mode.getTargets().isEmpty()) {
            sb.append("Target ").append(mode.getTargets().get(0).getTargetName());
        } else {
            sb.append("that player");
        }
        sb.append(" gains ");
        if (message.isEmpty() || !message.equals("1")) {
            sb.append(life.toString()).append(' ');
        }
        sb.append("life");
        if (!message.isEmpty()) {
            sb.append(message.equals("1") ? " equal to the number of " : " for each ");
            sb.append(message);
        }
        return sb.toString();
    }

}