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package mage.cards.m;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.ReplacementEffectImpl;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.choices.Choice;
import mage.choices.ChoiceImpl;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.players.PlayerList;
/**
*
* @author LevelX2
*/
public class MysticBarrier extends CardImpl {
public static final String ALLOW_ATTACKING_LEFT = "Allow attacking left";
public static final String ALLOW_ATTACKING_RIGHT = "Allow attacking right";
public MysticBarrier(UUID ownerId, CardSetInfo setInfo) {
super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{4}{W}");
// When Mystic Barrier enters the battlefield or at the beginning of your upkeep, choose left or right.
this.addAbility(new MysticBarrierTriggeredAbility());
// Each player may attack only the opponent seated nearest him or her in the last chosen direction and planeswalkers controlled by that player.
this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new MysticBarrierReplacementEffect()));
}
public MysticBarrier(final MysticBarrier card) {
super(card);
}
@Override
public MysticBarrier copy() {
return new MysticBarrier(this);
}
}
class MysticBarrierTriggeredAbility extends TriggeredAbilityImpl {
public MysticBarrierTriggeredAbility() {
super(Zone.BATTLEFIELD, new MysticBarrierChooseEffect(), false);
}
public MysticBarrierTriggeredAbility(final MysticBarrierTriggeredAbility ability) {
super(ability);
}
@Override
public MysticBarrierTriggeredAbility copy() {
return new MysticBarrierTriggeredAbility(this);
}
@Override
public boolean checkEventType(GameEvent event, Game game) {
return event.getType() == EventType.ENTERS_THE_BATTLEFIELD || event.getType() == EventType.UPKEEP_STEP_PRE;
}
@Override
public boolean checkTrigger(GameEvent event, Game game) {
if (event.getType() == EventType.ENTERS_THE_BATTLEFIELD) {
return event.getTargetId().equals(this.getSourceId());
} else {
return event.getPlayerId().equals(this.getControllerId());
}
}
@Override
public String getRule() {
return "When {this} enters the battlefield or at the beginning of your upkeep, " + super.getRule();
}
}
class MysticBarrierChooseEffect extends OneShotEffect {
public static final String[] SET_VALUES = new String[] { MysticBarrier.ALLOW_ATTACKING_LEFT, MysticBarrier.ALLOW_ATTACKING_RIGHT };
public static final Set<String> CHOICES = new HashSet<>(Arrays.asList(SET_VALUES));
final static Choice DIRECTION_CHOICE = new ChoiceImpl(true);
static {
DIRECTION_CHOICE.setChoices(CHOICES);
DIRECTION_CHOICE.setMessage("Direction each player may only attack to");
DIRECTION_CHOICE.isRequired();
}
public MysticBarrierChooseEffect() {
super(Outcome.Benefit);
this.staticText = "choose left or right";
}
public MysticBarrierChooseEffect(final MysticBarrierChooseEffect effect) {
super(effect);
}
@Override
public MysticBarrierChooseEffect copy() {
return new MysticBarrierChooseEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
Player controller = game.getPlayer(source.getControllerId());
if (controller != null) {
DIRECTION_CHOICE.clearChoice();
while (!DIRECTION_CHOICE.isChosen() && controller.canRespond()) {
controller.choose(outcome, DIRECTION_CHOICE, game);
}
if (!DIRECTION_CHOICE.getChoice().isEmpty()) {
game.getState().setValue(new StringBuilder("attack_direction_").append(source.getSourceId()).toString(), DIRECTION_CHOICE.getChoice());
return true;
}
}
return false;
}
}
class MysticBarrierReplacementEffect extends ReplacementEffectImpl {
MysticBarrierReplacementEffect ( ) {
super(Duration.WhileOnBattlefield, Outcome.Benefit);
staticText = "Each player may attack only the opponent seated nearest him or her in the last chosen direction and planeswalkers controlled by that player";
}
MysticBarrierReplacementEffect ( MysticBarrierReplacementEffect effect ) {
super(effect);
}
@Override
public boolean replaceEvent(GameEvent event, Ability source, Game game) {
return true;
}
@Override
public boolean checksEventType(GameEvent event, Game game) {
return event.getType() == GameEvent.EventType.DECLARE_ATTACKER;
}
@Override
public boolean applies(GameEvent event, Ability source, Game game) {
if (game.getPlayers().size() > 2) {
Player controller = game.getPlayer(source.getControllerId());
if (controller != null) {
if (game.getState().getPlayersInRange(controller.getId(), game).contains(event.getPlayerId())) {
String allowedDirection = (String) game.getState().getValue(new StringBuilder("attack_direction_").append(source.getSourceId()).toString());
if (allowedDirection != null) {
Player defender = game.getPlayer(event.getTargetId());
if (defender == null) {
Permanent planeswalker = game.getPermanent(event.getTargetId());
if (planeswalker != null) {
defender = game.getPlayer(planeswalker.getControllerId());
}
}
if (defender != null) {
PlayerList playerList = game.getState().getPlayerList(event.getPlayerId());
if (allowedDirection == MysticBarrier.ALLOW_ATTACKING_LEFT) {
if (!playerList.getNext().equals(defender.getId())) {
// the defender is not the player to the left
Player attacker = game.getPlayer(event.getPlayerId());
if (attacker != null) {
game.informPlayer(attacker, "You can only attack to the left!");
}
return true;
}
}
if (allowedDirection == MysticBarrier.ALLOW_ATTACKING_RIGHT) {
if (!playerList.getPrevious().equals(defender.getId())) {
// the defender is not the player to the right
Player attacker = game.getPlayer(event.getPlayerId());
if (attacker != null) {
game.informPlayer(attacker, "You can only attack to the right!");
}
return true;
}
}
}
}
}
}
}
return false;
}
@Override
public MysticBarrierReplacementEffect copy() {
return new MysticBarrierReplacementEffect(this);
}
}