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package mage.cards.a;

import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.effects.ContinuousEffect;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.keyword.DefenderAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.*;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.game.permanent.token.SoldierToken;
import mage.game.permanent.token.Token;
import mage.players.Player;
import mage.target.Target;
import mage.target.common.TargetOpponent;
import mage.target.targetpointer.FixedTarget;

import java.util.UUID;

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

    public AkroanHorse(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT, CardType.CREATURE}, "{4}");
        this.subtype.add("Horse");
        this.power = new MageInt(0);
        this.toughness = new MageInt(4);

        // Defender
        this.addAbility(DefenderAbility.getInstance());
        // When Akroan Horse enters the battlefield, an opponent gains control of it.
        this.addAbility(new EntersBattlefieldTriggeredAbility(new AkroanHorseChangeControlEffect(), false));
        // At the beginning of your upkeep, each opponent create a 1/1 white Soldier creature token.
        this.addAbility(new BeginningOfUpkeepTriggeredAbility(Zone.BATTLEFIELD, new AkroanHorseCreateTokenEffect(), TargetController.YOU, false));
    }

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

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

class AkroanHorseChangeControlEffect extends OneShotEffect {

    public AkroanHorseChangeControlEffect() {
        super(Outcome.Benefit);
        this.staticText = "an opponent gains control of it";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Target target = new TargetOpponent();
        target.setNotTarget(true);
        Player controller = game.getPlayer(source.getControllerId());
        if (controller != null) {
            if (controller.chooseTarget(outcome, target, source, game)) {
                ContinuousEffect effect = new AkroanHorseGainControlEffect(Duration.Custom, target.getFirstTarget());
                effect.setTargetPointer(new FixedTarget(source.getSourceId()));
                game.addEffect(effect, source);
                return true;
            }
        }
        return false;
    }
}

class AkroanHorseGainControlEffect extends ContinuousEffectImpl {

    UUID controller;

    public AkroanHorseGainControlEffect(Duration duration, UUID controller) {
        super(duration, Layer.ControlChangingEffects_2, SubLayer.NA, Outcome.GainControl);
        this.controller = controller;
    }

    public AkroanHorseGainControlEffect(final AkroanHorseGainControlEffect effect) {
        super(effect);
        this.controller = effect.controller;
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Permanent permanent = game.getPermanent(source.getFirstTarget());
        if (targetPointer != null) {
            permanent = game.getPermanent(targetPointer.getFirst(game, source));
        }
        if (permanent != null) {
            return permanent.changeControllerId(controller, game);
        }
        return false;
    }

    @Override
    public String getText(Mode mode) {
        return "Gain control of Akroan Horse";
    }
}

class AkroanHorseCreateTokenEffect extends OneShotEffect {

    public AkroanHorseCreateTokenEffect() {
        super(Outcome.Detriment);
        this.staticText = "each opponent creates a 1/1 white Soldier creature token";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        for (UUID opponentId : game.getOpponents(source.getControllerId())) {
            Token token = new SoldierToken();
            token.putOntoBattlefield(1, game, source.getSourceId(), opponentId);
        }
        return true;
    }
}