class="kw">package com.hypixel.hytale.server.core.modules.entity.spectator;

class="kw">import com.hypixel.hytale.codec.KeyedCodec;
class="kw">import com.hypixel.hytale.codec.builder.BuilderCodec;
class="kw">import com.hypixel.hytale.codec.codecs.EnumCodec;
class="kw">import com.hypixel.hytale.component.Archetype;
class="kw">import com.hypixel.hytale.component.CommandBuffer;
class="kw">import com.hypixel.hytale.component.Ref;
class="kw">import com.hypixel.hytale.protocol.InteractionType;
class="kw">import com.hypixel.hytale.server.core.entity.InteractionContext;
class="kw">import com.hypixel.hytale.server.core.modules.entity.component.Spectating;
class="kw">import com.hypixel.hytale.server.core.modules.entity.damage.DeathComponent;
class="kw">import com.hypixel.hytale.server.core.modules.interaction.interaction.CooldownHandler;
class="kw">import com.hypixel.hytale.server.core.modules.interaction.interaction.config.SimpleInstantInteraction;
class="kw">import com.hypixel.hytale.server.core.universe.PlayerRef;
class="kw">import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
class="kw">import java.util.ArrayList;
class="kw">import java.util.Comparator;
class="kw">import java.util.List;
class="kw">import java.util.UUID;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class SpectateControlInteraction class="kw">extends SimpleInstantInteraction {
   @Nonnull
   class="kw">public class="kw">static class="kw">final BuilderCodec<SpectateControlInteraction> CODEC = BuilderCodec.builder(
         SpectateControlInteraction.class, SpectateControlInteraction::new, SimpleInstantInteraction.CODEC
      )
      .documentation("Spectator camera control that cycles the follow camera through the world's living non-spectating players, or detaches it to free cam.")
      .appendInherited(
         new KeyedCodec<>("Action", new EnumCodec<>(SpectateControlInteraction.Action.class)),
         (var0, var1) -> var0.action = var1,
         var0 -> var0.action,
         (var0, var1) -> var0.action = var1.action
      )
      .add()
      .build();
   @Nullable
   class="kw">private SpectateControlInteraction.Action action;

   class="kw">public SpectateControlInteraction() {
   }

   @Override
   class="kw">protected void firstRun(@Nonnull InteractionType var1, @Nonnull InteractionContext var2, @Nonnull CooldownHandler var3) {
      CommandBuffer var4 = var2.getCommandBuffer();
      assert var4 != null;
      if (this.action != null) {
         Ref var5 = var2.getOwningEntity();
         Spectating var6 = var4.getComponent(var5, Spectating.getComponentType());
         if (var6 != null) {
            if (this.action == SpectateControlInteraction.Action.Detach) {
               if (var6.getTargetRef() != null) {
                  var4.putComponent(var5, Spectating.getComponentType(), new Spectating());
               }
            } else {
               List var7 = collectTargets(var5, var4);
               if (!var7.isEmpty()) {
                  int var8 = indexOfCurrentTarget(var7, var6.getTargetRef(), var4);
                  int var9 = this.action == SpectateControlInteraction.Action.Next ? 1 : -1;
                  int var10 = var8 >= 0 ? var8 : (this.action == SpectateControlInteraction.Action.Next ? -1 : var7.size());
                  int var11 = Math.floorMod(var10 + var9, var7.size());
                  if (var11 != var8) {
                     var4.putComponent(var5, Spectating.getComponentType(), new Spectating(var7.get(var11).ref()));
                  }
               }
            }
         }
      }
   }

   @Nonnull
   class="kw">private class="kw">static List<SpectateControlInteraction.Candidate> collectTargets(@Nonnull Ref<EntityStore> var0, @Nonnull CommandBuffer<EntityStore> var1) {
      PlayerRef var2 = var1.getComponent(var0, PlayerRef.getComponentType());
      ArrayList var3 = new ArrayList<>();

      for (PlayerRef var5 : var1.getExternalData().getWorld().getPlayerRefs()) {
         Ref var6 = var5.getReference();
         if (var6 != null && var6.isValid() && var6.getStore() == var0.getStore()) {
            Archetype var7 = var1.getArchetype(var6);
            if (!var7.contains(DeathComponent.getComponentType())
               && !var7.contains(Spectating.getComponentType())
               && !SpectatorSystems.isTargetHidden(var2, var5.getUuid())) {
               var3.add(new SpectateControlInteraction.Candidate(var5.getUuid(), var6));
            }
         }
      }

      var3.sort(Comparator.comparing(SpectateControlInteraction.Candidate::uuid));
      class="kw">return var3;
   }

   class="kw">private class="kw">static int indexOfCurrentTarget(
      @Nonnull List<SpectateControlInteraction.Candidate> var0, @Nullable Ref<EntityStore> var1, @Nonnull CommandBuffer<EntityStore> var2
   ) {
      if (var1 != null && var1.isValid()) {
         PlayerRef var3 = var2.getComponent(var1, PlayerRef.getComponentType());
         if (var3 == null) {
            class="kw">return -1;
         }

         UUID var4 = var3.getUuid();

         for (int var5 = 0; var5 < var0.size(); var5++) {
            if (var0.get(var5).uuid().equals(var4)) {
               class="kw">return var5;
            }
         }

         class="kw">return -1;
      } else {
         class="kw">return -1;
      }
   }

   @Nonnull
   @Override
   class="kw">public String toString() {
      class="kw">return "SpectateControlInteraction{action=" + this.action + "} " + super.toString();
   }

   class="kw">public enum Action {
      Prev,
      Next,
      Detach;

      Action() {
      }
   }

   class="kw">private record Candidate(@Nonnull UUID uuid, @Nonnull Ref<EntityStore> ref) {
      class="kw">private Candidate {
      }
   }
}