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package mage.sets.khansoftarkir;
import java.util.LinkedList;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.ExileTargetEffect;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Rarity;
import mage.constants.Zone;
import mage.filter.Filter.ComparisonType;
import mage.filter.common.FilterCreaturePermanent;
import mage.filter.predicate.mageobject.ToughnessPredicate;
import mage.game.ExileZone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.ZoneChangeEvent;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.common.TargetCreaturePermanent;
/**
*
* @author emerald000
*/
public class SuspensionField extends CardImpl {
private final static FilterCreaturePermanent filter = new FilterCreaturePermanent("creature with toughness 3 or greater");
static {
filter.add(new ToughnessPredicate(ComparisonType.GreaterThan, 2));
}
public SuspensionField(UUID ownerId) {
super(ownerId, 25, "Suspension Field", Rarity.UNCOMMON, new CardType[]{CardType.ENCHANTMENT}, "{1}{W}");
this.expansionSetCode = "KTK";
this.color.setWhite(true);
// When Suspension Field enters the battlefield, you may exile target creature with toughness 3 or greater until Suspension Field leaves the battlefield.
Ability ability = new EntersBattlefieldTriggeredAbility(new SuspensionFieldExileEffect(), true);
ability.addTarget(new TargetCreaturePermanent(filter));
this.addAbility(ability);
// Implemented as triggered effect that doesn't uses the stack (implementation with watcher does not work correctly because if the returned creature
// has a DiesTriggeredAll ability it triggers for the dying / battlefield leaving source object, what shouldn't happen)
this.addAbility(new SuspensionFieldReturnExiledAbility());
}
public SuspensionField(final SuspensionField card) {
super(card);
}
@Override
public SuspensionField copy() {
return new SuspensionField(this);
}
}
class SuspensionFieldExileEffect extends OneShotEffect {
SuspensionFieldExileEffect() {
super(Outcome.Exile);
this.staticText = "you may exile target creature with toughness 3 or greater until {this} leaves the battlefield. <i>(That creature returns under its owner's control.)</i>";
}
SuspensionFieldExileEffect(final SuspensionFieldExileEffect effect) {
super(effect);
}
@Override
public SuspensionFieldExileEffect copy() {
return new SuspensionFieldExileEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
Permanent sourcePermanent = game.getPermanent(source.getSourceId());
// If Suspension Field leaves the battlefield before its triggered ability resolves, the target won't be exiled.
if (sourcePermanent != null) {
return new ExileTargetEffect(source.getSourceId(), sourcePermanent.getName()).apply(game, source);
}
return false;
}
}
class SuspensionFieldReturnExiledAbility extends TriggeredAbilityImpl {
SuspensionFieldReturnExiledAbility() {
super(Zone.BATTLEFIELD, new SuspensionFieldReturnExiledCreatureEffect());
this.usesStack = false;
this.setRuleVisible(false);
}
SuspensionFieldReturnExiledAbility(final SuspensionFieldReturnExiledAbility ability) {
super(ability);
}
@Override
public SuspensionFieldReturnExiledAbility copy() {
return new SuspensionFieldReturnExiledAbility(this);
}
@Override
public boolean checkTrigger(GameEvent event, Game game) {
if (event.getType() == GameEvent.EventType.ZONE_CHANGE && event.getTargetId().equals(this.getSourceId())) {
ZoneChangeEvent zEvent = (ZoneChangeEvent) event;
if (zEvent.getFromZone() == Zone.BATTLEFIELD) {
return true;
}
}
return false;
}
}
class SuspensionFieldReturnExiledCreatureEffect extends OneShotEffect {
SuspensionFieldReturnExiledCreatureEffect() {
super(Outcome.Benefit);
this.staticText = "Return exiled permanent";
}
SuspensionFieldReturnExiledCreatureEffect(final SuspensionFieldReturnExiledCreatureEffect effect) {
super(effect);
}
@Override
public SuspensionFieldReturnExiledCreatureEffect copy() {
return new SuspensionFieldReturnExiledCreatureEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
Player controller = game.getPlayer(source.getControllerId());
if (controller != null) {
ExileZone exile = game.getExile().getExileZone(source.getSourceId());
Card sourceCard = game.getCard(source.getSourceId());
if (exile != null && sourceCard != null) {
LinkedList<UUID> cards = new LinkedList<>(exile);
for (UUID cardId : cards) {
Card card = game.getCard(cardId);
card.moveToZone(Zone.BATTLEFIELD, source.getSourceId(), game, false);
game.informPlayers(new StringBuilder(sourceCard.getName()).append(": ").append(card.getName()).append(" returns to battlefield from exile").toString());
}
exile.clear();
return true;
}
}
return false;
}
}