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 *  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.
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 *  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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 *  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
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package mage.cards.w;

import java.util.UUID;
import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.effects.ContinuousRuleModifyingEffectImpl;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.filter.common.FilterArtifactPermanent;
import mage.filter.common.FilterCreaturePermanent;
import mage.filter.common.FilterEnchantmentPermanent;
import mage.filter.common.FilterLandPermanent;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.players.Player;

/**
 *
 * @author jeffwadsworth
 *
 */
public class WardOfBones extends CardImpl {

    public WardOfBones(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.ARTIFACT},"{6}");

        // Each opponent who controls more creatures than you can't play creature cards. The same is true for artifacts, enchantments, and lands.
        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new WardOfBonesEffect()));

    }

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

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

class WardOfBonesEffect extends ContinuousRuleModifyingEffectImpl {

    public WardOfBonesEffect() {
        super(Duration.WhileOnBattlefield, Outcome.Benefit);
        staticText = "Each opponent who controls more creatures than you can't play creature cards. The same is true for artifacts, enchantments, and lands";
    }

    public WardOfBonesEffect(final WardOfBonesEffect effect) {
        super(effect);
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        return true;
    }

    @Override
    public String getInfoMessage(Ability source, GameEvent event, Game game) {
        MageObject mageObject = game.getObject(source.getSourceId());
        if (mageObject != null) {
            return "You can't play the land or cast the spell (" + mageObject.getLogName() + " in play).";
        }
        return null;
    }
    
    @Override
    public boolean checksEventType(GameEvent event, Game game) {
        return event.getType() == GameEvent.EventType.PLAY_LAND || event.getType() == GameEvent.EventType.CAST_SPELL;
                
    }
    
    @Override
    public boolean applies(GameEvent event, Ability source, Game game) {
        if (game.getOpponents(source.getControllerId()).contains(event.getPlayerId())) {
            final Card card = game.getCard(event.getSourceId());
            final Player opponent = game.getPlayer(event.getPlayerId());
            if (card == null || opponent == null) {
                return false;
            }
            if (card.isCreature()
                    && game.getBattlefield().countAll(new FilterCreaturePermanent(), opponent.getId(), game) 
                        > game.getBattlefield().countAll(new FilterCreaturePermanent(), source.getControllerId(), game)) {
                return true;
            }
            if (card.isArtifact()
                    && game.getBattlefield().countAll(new FilterArtifactPermanent(), opponent.getId(), game) 
                        > game.getBattlefield().countAll(new FilterArtifactPermanent(), source.getControllerId(), game)) {
                return true;
            }
            if (card.isEnchantment()
                    && game.getBattlefield().countAll(new FilterEnchantmentPermanent(), opponent.getId(), game) 
                        > game.getBattlefield().countAll(new FilterEnchantmentPermanent(), source.getControllerId(), game)) {
                return true;
            }
            final int yourLands = game.getBattlefield().countAll(new FilterLandPermanent(), source.getControllerId(), game);
            if (card.isLand()
                    && game.getBattlefield().countAll(new FilterLandPermanent(), opponent.getId(), game) > yourLands) {
                return true;
            }
        }
        return false;
    }
}