/*
 *  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.
 *
 *  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.cards.h;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.SpellAbility;
import mage.abilities.common.AttacksTriggeredAbility;
import mage.abilities.effects.common.cost.CostModificationEffectImpl;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.CostModificationType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.game.Game;
import mage.util.CardUtil;
import mage.watchers.common.CastSpellLastTurnWatcher;

/**
 *
 * @author LevelX2
 */
public class HardenedBerserker extends CardImpl {

    public HardenedBerserker(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{R}");
        this.subtype.add("Human");
        this.subtype.add("Berserker");
        this.power = new MageInt(3);
        this.toughness = new MageInt(2);

        // Whenever Hardened Berserker attacks the next spell you cast this turn costs {1} less to cast.
        this.addAbility(new AttacksTriggeredAbility(new HardenedBerserkerSpellsCostReductionEffect(), false));
    }

    public HardenedBerserker(final HardenedBerserker card) {
        super(card);
    }

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

class HardenedBerserkerSpellsCostReductionEffect extends CostModificationEffectImpl {

    int spellsCast;
    
    public HardenedBerserkerSpellsCostReductionEffect() {
        super(Duration.EndOfTurn, Outcome.Benefit, CostModificationType.REDUCE_COST);
        staticText = "the next spell you cast this turn costs {1} less to cast";
    }

    protected HardenedBerserkerSpellsCostReductionEffect(final HardenedBerserkerSpellsCostReductionEffect effect) {
        super(effect);
        this.spellsCast = effect.spellsCast;
    }

    @Override
    public void init(Ability source, Game game) {
        super.init(source, game);
        CastSpellLastTurnWatcher watcher = (CastSpellLastTurnWatcher) game.getState().getWatchers().get(CastSpellLastTurnWatcher.class.getSimpleName());
        if (watcher != null) {
            spellsCast =  watcher.getAmountOfSpellsPlayerCastOnCurrentTurn(source.getControllerId());
        }
    }

    @Override
    public boolean apply(Game game, Ability source, Ability abilityToModify) {
        CardUtil.reduceCost(abilityToModify, 1);
        return true;
    }

    @Override
    public boolean applies(Ability abilityToModify, Ability source, Game game) {
        CastSpellLastTurnWatcher watcher = (CastSpellLastTurnWatcher) game.getState().getWatchers().get(CastSpellLastTurnWatcher.class.getSimpleName());
        if (watcher != null) {
            if (watcher.getAmountOfSpellsPlayerCastOnCurrentTurn(source.getControllerId()) > spellsCast) {
                discard(); // only one use 
                return false;
            }
        }        
        if (abilityToModify instanceof SpellAbility) {
            return abilityToModify.getControllerId().equals(source.getControllerId());
        }
        return false;
    }

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