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package mage.cards.a;

import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.SpellAbility;
import mage.abilities.common.EntersBattlefieldAbility;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.costs.common.RemoveCountersSourceCost;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.EntersBattlefieldEffect;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.DamageTargetEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.counters.CounterType;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.common.TargetCreatureOrPlayer;

import java.util.UUID;

/**
 *
 * @author Loki
 */
public class ApocalypseHydra extends CardImpl {

    public ApocalypseHydra(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{X}{R}{G}");
        this.subtype.add("Hydra");

        this.power = new MageInt(0);
        this.toughness = new MageInt(0);

        // Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it.
        this.addAbility(new EntersBattlefieldAbility(new ApocalypseHydraEffect()));

        // {1}{R}, Remove a +1/+1 counter from Apocalypse Hydra: Apocalypse Hydra deals 1 damage to target creature or player.
        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new DamageTargetEffect(1), new ManaCostsImpl("{1}{R}"));
        ability.addCost(new RemoveCountersSourceCost(CounterType.P1P1.createInstance()));
        ability.addTarget(new TargetCreatureOrPlayer());
        this.addAbility(ability);
    }

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

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

class ApocalypseHydraEffect extends OneShotEffect {

    ApocalypseHydraEffect() {
        super(Outcome.BoostCreature);
        staticText = "with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it";
    }

    ApocalypseHydraEffect(final ApocalypseHydraEffect effect) {
        super(effect);
    }

    @Override
    public boolean apply(Game game, Ability source) {
        Permanent permanent = game.getPermanentEntering(source.getSourceId());
        if (permanent != null) {
            SpellAbility spellAbility = (SpellAbility) getValue(EntersBattlefieldEffect.SOURCE_CAST_SPELL_ABILITY);
            if (spellAbility != null
                    && spellAbility.getSourceId().equals(source.getSourceId())
                    && permanent.getZoneChangeCounter(game) == spellAbility.getSourceObjectZoneChangeCounter()) {
                int amount = spellAbility.getManaCostsToPay().getX();
                if (amount > 0) {
                    if (amount < 5) {
                        permanent.addCounters(CounterType.P1P1.createInstance(amount), source, game);
                    } else {
                        permanent.addCounters(CounterType.P1P1.createInstance(amount * 2), source, game);
                    }
                }
            }
            return true;
        }
        return true;
    }

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