foul-magics/Mage.Sets/src/mage/sets/eventide/WavesOfAggression.java

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package mage.sets.eventide;

import java.util.Set;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.DelayedTriggeredAbility;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.keyword.RetraceAbility;
import mage.cards.CardImpl;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Rarity;
import mage.constants.TurnPhase;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.permanent.Permanent;
import mage.game.turn.TurnMod;
import mage.watchers.Watcher;
import mage.watchers.common.AttackedThisTurnWatcher;

/**
 *
 * @author anonymous
 */
public class WavesOfAggression extends CardImpl {

    public WavesOfAggression(UUID ownerId) {
        super(ownerId, 148, "Waves of Aggression", Rarity.RARE, new CardType[]{CardType.SORCERY}, "{3}{R/W}{R/W}");
        this.expansionSetCode = "EVE";

        // Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.
        this.getSpellAbility().addWatcher(new AttackedThisTurnWatcher());
        this.getSpellAbility().addEffect(new WavesOfAggressionUntapEffect());
        this.getSpellAbility().addEffect(new WavesOfAggressionAddPhasesEffect());
        // Retrace
        this.addAbility(new RetraceAbility(this));
    }

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

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

class WavesOfAggressionUntapEffect extends OneShotEffect {

    public WavesOfAggressionUntapEffect() {
        super(Outcome.Benefit);
        staticText = "Untap all creatures that attacked this turn";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Watcher watcher = game.getState().getWatchers().get("AttackedThisTurn");
        if (watcher != null && watcher instanceof AttackedThisTurnWatcher) {
            Set<UUID> attackedThisTurn = ((AttackedThisTurnWatcher) watcher).getAttackedThisTurnCreatures();
            for (UUID uuid : attackedThisTurn) {
                Permanent permanent = game.getPermanent(uuid);
                if (permanent != null && permanent.getCardType().contains(CardType.CREATURE)) {
                    permanent.untap(game);
                }
            }
            return true;
        }
        return false;
    }
}

class WavesOfAggressionAddPhasesEffect extends OneShotEffect {

    public WavesOfAggressionAddPhasesEffect() {
        super(Outcome.Benefit);
        staticText = "After this main phase, there is an additional combat phase followed by an additional main phase";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        // 15.07.2006 If it's somehow not a main phase when Fury of the Horde resolves, all it does is untap all creatures that attacked that turn. No new phases are created.
        if (TurnPhase.PRECOMBAT_MAIN.equals(game.getTurn().getPhaseType()) || TurnPhase.POSTCOMBAT_MAIN.equals(game.getTurn().getPhaseType())) {
            // we can't add two turn modes at once, will add additional post combat on delayed trigger resolution
            TurnMod combat = new TurnMod(source.getControllerId(), TurnPhase.COMBAT, TurnPhase.POSTCOMBAT_MAIN, false);
            game.getState().getTurnMods().add(combat);
            WavesOfAggressionDelayedAddMainPhaseAbility delayedTriggeredAbility = new WavesOfAggressionDelayedAddMainPhaseAbility();
            delayedTriggeredAbility.setConnectedTurnMod(combat.getId());
            game.addDelayedTriggeredAbility(delayedTriggeredAbility, source);
            return true;
        }
        return false;
    }
}

class WavesOfAggressionDelayedAddMainPhaseAbility extends DelayedTriggeredAbility {

    private UUID connectedTurnMod;
    private boolean enabled;

    public WavesOfAggressionDelayedAddMainPhaseAbility() {
        super(null, Duration.EndOfTurn);
        this.usesStack = false; // don't show this to the user
    }

    public WavesOfAggressionDelayedAddMainPhaseAbility(WavesOfAggressionDelayedAddMainPhaseAbility ability) {
        super(ability);
        this.connectedTurnMod = ability.connectedTurnMod;
        this.enabled = ability.enabled;
    }

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

    @Override
    public boolean checkEventType(GameEvent event, Game game) {
        return event.getType() == EventType.PHASE_CHANGED || event.getType() == EventType.COMBAT_PHASE_PRE;
    }

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        if (event.getType() == GameEvent.EventType.PHASE_CHANGED && this.connectedTurnMod.equals(event.getSourceId())) {
            enabled = true;
        }
        if (event.getType() == GameEvent.EventType.COMBAT_PHASE_PRE && enabled) {
            // add additional post combat main phase after that - after phase == null because add it after this combat
            game.getState().getTurnMods().add(new TurnMod(getControllerId(), TurnPhase.POSTCOMBAT_MAIN, null, false));
            enabled = false;
        }
        return false;
    }

    public void setConnectedTurnMod(UUID connectedTurnMod) {
        this.connectedTurnMod = connectedTurnMod;
    }

    @Override
    public String getRule() {
        return "add additional post combat main phase";
    }
}