package com.hypixel.hytale.server.npc.role;

import com.hypixel.hytale.component.ArchetypeChunk;
import com.hypixel.hytale.component.CommandBuffer;
import com.hypixel.hytale.component.Ref;
import com.hypixel.hytale.component.Store;
import com.hypixel.hytale.math.util.MathUtil;
import com.hypixel.hytale.math.vector.Vector3d;
import com.hypixel.hytale.protocol.AnimationSlot;
import com.hypixel.hytale.protocol.MovementStates;
import com.hypixel.hytale.server.core.entity.movement.MovementStatesComponent;
import com.hypixel.hytale.server.core.entity.nameplate.Nameplate;
import com.hypixel.hytale.server.core.inventory.Inventory;
import com.hypixel.hytale.server.core.modules.entity.component.ActiveAnimationComponent;
import com.hypixel.hytale.server.core.modules.entity.component.TransformComponent;
import com.hypixel.hytale.server.core.modules.entitystats.EntityStatMap;
import com.hypixel.hytale.server.core.modules.entitystats.EntityStatValue;
import com.hypixel.hytale.server.core.modules.entitystats.asset.DefaultEntityStatTypes;
import com.hypixel.hytale.server.core.modules.physics.component.Velocity;
import com.hypixel.hytale.server.core.modules.time.WorldTimeResource;
import com.hypixel.hytale.server.core.universe.PlayerRef;
import com.hypixel.hytale.server.core.universe.world.World;
import com.hypixel.hytale.server.core.universe.world.chunk.BlockChunk;
import com.hypixel.hytale.server.core.universe.world.storage.ChunkStore;
import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
import com.hypixel.hytale.server.flock.FlockMembership;
import com.hypixel.hytale.server.npc.entities.NPCEntity;
import com.hypixel.hytale.server.npc.role.support.MarkedEntitySupport;
import com.hypixel.hytale.server.npc.util.InventoryHelper;
import com.hypixel.hytale.server.spawning.util.LightRangePredicate;
import java.time.temporal.ChronoField;
import java.util.EnumSet;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class RoleDebugDisplay {
   protected boolean debugDisplayState;
   protected boolean debugDisplayTime;
   protected boolean debugDisplayFlock;
   protected boolean debugDisplayAnim;
   protected boolean debugDisplayLockedTarget;
   protected boolean debugDisplayLightLevel;
   protected boolean debugDisplayFreeSlots;
   protected boolean debugDisplayCustom;
   protected boolean debugDisplayPathFinder;
   protected boolean debugDisplayHP;
   protected boolean debugDisplayStamina;
   protected boolean debugDisplaySpeed;
   protected boolean debugDisplayInternalId;
   protected boolean debugDisplayName;
   @Nonnull
   protected StringBuilder debugDisplay = new StringBuilder(20);

   private RoleDebugDisplay() {
   }

   public void display(@Nonnull Role role, int index, @Nonnull ArchetypeChunk<EntityStore> archetypeChunk, @Nonnull CommandBuffer<EntityStore> commandBuffer) {
      NPCEntity npcComponent = archetypeChunk.getComponent(index, NPCEntity.getComponentType());

      assert npcComponent != null;

      if (this.debugDisplayInternalId) {
         this.debugDisplay.append("ID-").append(archetypeChunk.getReferenceTo(index).getIndex()).append(" ");
      }

      if (this.debugDisplayName) {
         this.debugDisplay.append(" Role(").append(role.getRoleName()).append(")");
      }

      if (this.debugDisplayState) {
         role.getStateSupport().appendStateName(this.debugDisplay);
      }

      if (this.debugDisplayFlock) {
         FlockMembership flockMembershipComponent = archetypeChunk.getComponent(index, FlockMembership.getComponentType());
         if (flockMembershipComponent != null) {
            if (flockMembershipComponent.getMembershipType().isActingAsLeader()) {
               this.debugDisplay.append(" LDR");
            } else {
               this.debugDisplay.append(" FLK");
            }
         }
      }

      WorldTimeResource worldTimeResource = commandBuffer.getResource(WorldTimeResource.getResourceType());
      if (this.debugDisplayTime) {
         double dayProgress = (double)(24 * worldTimeResource.getGameDateTime().get(ChronoField.SECOND_OF_DAY)) / WorldTimeResource.SECONDS_PER_DAY;
         this.debugDisplay.append(' ').append((int)(100.0 * dayProgress) / 100.0);
      }

      if (this.debugDisplayAnim) {
         ActiveAnimationComponent activeAnimationComponent = archetypeChunk.getComponent(index, ActiveAnimationComponent.getComponentType());

         assert activeAnimationComponent != null;

         String[] activeAnimations = activeAnimationComponent.getActiveAnimations();
         MovementStates movementStates = archetypeChunk.getComponent(index, MovementStatesComponent.getComponentType()).getMovementStates();
         this.debugDisplay.append(" M:");
         this.debugDisplay.append((char)(movementStates.idle ? 'I' : '-'));
         this.debugDisplay.append((char)(movementStates.horizontalIdle ? 'H' : '-'));
         this.debugDisplay.append((char)(movementStates.running ? 'R' : '-'));
         this.debugDisplay.append((char)(movementStates.climbing ? 'C' : '-'));
         this.debugDisplay.append((char)(movementStates.jumping ? 'J' : '-'));
         this.debugDisplay.append((char)(movementStates.falling ? 'F' : '-'));
         this.debugDisplay.append((char)(movementStates.crouching ? 'c' : '-'));
         this.debugDisplay.append((char)(movementStates.flying ? 'f' : '-'));
         this.debugDisplay.append((char)(movementStates.swimming ? 's' : '-'));
         this.debugDisplay.append((char)(movementStates.swimJumping ? 'S' : '-'));
         this.debugDisplay.append((char)(movementStates.onGround ? 'o' : '-'));
         this.debugDisplay.append((char)(movementStates.inFluid ? 'w' : '-'));
         String animationId = activeAnimations[AnimationSlot.Status.ordinal()];
         this.debugDisplay.append(" S:").append(animationId != null ? animationId : "-");
         animationId = activeAnimations[AnimationSlot.Action.ordinal()];
         this.debugDisplay.append(" A:").append(animationId != null ? animationId : "-");
         animationId = activeAnimations[AnimationSlot.Face.ordinal()];
         this.debugDisplay.append(" F:").append(animationId != null ? animationId : "-");
      }

      if (this.debugDisplayLockedTarget) {
         MarkedEntitySupport markedEntitySupport = role.getMarkedEntitySupport();
         int targetSlotCount = markedEntitySupport.getMarkedEntitySlotCount();

         for (int i = 0; i < targetSlotCount; i++) {
            String slotName = markedEntitySupport.getSlotName(i);
            Ref<EntityStore> targetRef = markedEntitySupport.getMarkedEntityRef(i);
            if (targetRef == null) {
               this.debugDisplay.append(" T(").append(slotName).append("):-");
            } else {
               PlayerRef targetPlayerRefComponent = commandBuffer.getComponent(targetRef, PlayerRef.getComponentType());
               NPCEntity targetNpcComponent = commandBuffer.getComponent(targetRef, NPCEntity.getComponentType());
               if (targetPlayerRefComponent != null) {
                  this.debugDisplay.append(" TP(").append(slotName).append("):").append(targetPlayerRefComponent.getUsername());
               } else if (targetNpcComponent != null) {
                  String roleName = targetNpcComponent.getRoleName();
                  if (roleName == null || roleName.isEmpty()) {
                     roleName = "???";
                  }

                  this.debugDisplay.append(" T(").append(slotName).append("):").append(roleName);
               } else {
                  this.debugDisplay.append(" T(").append(slotName).append("):?");
               }
            }
         }
      }

      if (this.debugDisplayLightLevel) {
         TransformComponent transformComponent = archetypeChunk.getComponent(index, TransformComponent.getComponentType());

         assert transformComponent != null;

         Ref<ChunkStore> chunkRef = transformComponent.getChunkRef();
         if (chunkRef != null && chunkRef.isValid()) {
            World world = commandBuffer.getExternalData().getWorld();
            Store<ChunkStore> chunkStore = world.getChunkStore().getStore();
            BlockChunk blockChunkComponent = chunkStore.getComponent(chunkRef, BlockChunk.getComponentType());

            assert blockChunkComponent != null;

            Vector3d position = transformComponent.getPosition();
            int x = MathUtil.floor(position.getX());
            int y = MathUtil.floor(position.getY());
            int z = MathUtil.floor(position.getZ());
            double sunlightFactor = worldTimeResource.getSunlightFactor();
            this.debugDisplay
               .append(" LL:")
               .append(LightRangePredicate.lightToPrecentage(LightRangePredicate.calculateLightValue(blockChunkComponent, x, y, z, sunlightFactor)))
               .append('/')
               .append(LightRangePredicate.lightToPrecentage(blockChunkComponent.getSkyLight(x, y, z)))
               .append('/')
               .append(LightRangePredicate.lightToPrecentage((byte)(blockChunkComponent.getSkyLight(x, y, z) * sunlightFactor)))
               .append('/')
               .append(LightRangePredicate.lightToPrecentage(blockChunkComponent.getRedBlockLight(x, y, z)))
               .append('/')
               .append(LightRangePredicate.lightToPrecentage(blockChunkComponent.getGreenBlockLight(x, y, z)))
               .append('/')
               .append(LightRangePredicate.lightToPrecentage(blockChunkComponent.getBlueBlockLight(x, y, z)));
         }
      }

      String displayPathfinderString = role.getDebugSupport().pollDisplayPathfinderString();
      if (this.debugDisplayPathFinder && displayPathfinderString != null && !displayPathfinderString.isEmpty()) {
         this.debugDisplay.append(!this.debugDisplay.isEmpty() ? " PF:" : "PF:").append(displayPathfinderString);
      }

      String customString = role.getDebugSupport().pollDisplayCustomString();
      if (this.debugDisplayCustom && customString != null && !customString.isEmpty()) {
         if (!this.debugDisplay.isEmpty()) {
            this.debugDisplay.append(' ');
         }

         this.debugDisplay.append(customString);
      }

      if (this.debugDisplayFreeSlots) {
         Inventory inventory = npcComponent.getInventory();
         int hotbarFreeSlots = InventoryHelper.countFreeSlots(inventory.getHotbar());
         int inventoryFreeSlots = InventoryHelper.countFreeSlots(inventory.getStorage());
         this.debugDisplay.append(" FS:").append(hotbarFreeSlots).append('/').append(inventoryFreeSlots);
      }

      if (this.debugDisplayHP) {
         EntityStatMap entityStatsComponent = archetypeChunk.getComponent(index, EntityStatMap.getComponentType());

         assert entityStatsComponent != null;

         EntityStatValue healthValue = entityStatsComponent.get(DefaultEntityStatTypes.getHealth());
         if (healthValue == null) {
            this.debugDisplay.append(" HP: N/A");
         } else {
            this.debugDisplay.append(" HP:").append(healthValue.get()).append('/').append(healthValue.getMax());
         }
      }

      if (this.debugDisplayStamina) {
         EntityStatMap entityStatsComponentx = archetypeChunk.getComponent(index, EntityStatMap.getComponentType());

         assert entityStatsComponentx != null;

         EntityStatValue staminaValue = entityStatsComponentx.get(DefaultEntityStatTypes.getStamina());
         if (staminaValue == null) {
            this.debugDisplay.append(" Stamina: N/A");
         } else {
            this.debugDisplay.append(" Stamina:").append(staminaValue.get()).append('/').append(staminaValue.getMax());
         }
      }

      if (this.debugDisplaySpeed) {
         Velocity velocityComponent = archetypeChunk.getComponent(index, Velocity.getComponentType());

         assert velocityComponent != null;

         this.debugDisplay.append(" SPD:").append(MathUtil.round(velocityComponent.getSpeed(), 1));
      }

      if (!this.debugDisplay.isEmpty()) {
         Nameplate nameplateComponent = archetypeChunk.getComponent(index, Nameplate.getComponentType());
         if (nameplateComponent != null) {
            nameplateComponent.setText(this.debugDisplay.toString());
         } else {
            Ref<EntityStore> ref = archetypeChunk.getReferenceTo(index);
            commandBuffer.addComponent(ref, Nameplate.getComponentType(), new Nameplate(this.debugDisplay.toString()));
         }

         this.debugDisplay.setLength(0);
      }
   }

   @Nullable
   public static RoleDebugDisplay create(@Nonnull EnumSet<RoleDebugFlags> debugFlags) {
      boolean debugDisplayState = debugFlags.contains(RoleDebugFlags.DisplayState);
      boolean debugDisplayTime = debugFlags.contains(RoleDebugFlags.DisplayTime);
      boolean debugDisplayFlock = debugFlags.contains(RoleDebugFlags.DisplayFlock);
      boolean debugDisplayAnim = debugFlags.contains(RoleDebugFlags.DisplayAnim);
      boolean debugDisplayLockedTarget = debugFlags.contains(RoleDebugFlags.DisplayTarget);
      boolean debugDisplayLightLevel = debugFlags.contains(RoleDebugFlags.DisplayLightLevel);
      boolean debugDisplayCustom = debugFlags.contains(RoleDebugFlags.DisplayCustom);
      boolean debugDisplayFreeSlots = debugFlags.contains(RoleDebugFlags.DisplayFreeSlots);
      boolean debugDisplayPathFinder = debugFlags.contains(RoleDebugFlags.Pathfinder);
      boolean debugDisplayHP = debugFlags.contains(RoleDebugFlags.DisplayHP);
      boolean debugDisplayStamina = debugFlags.contains(RoleDebugFlags.DisplayStamina);
      boolean debugDisplaySpeed = debugFlags.contains(RoleDebugFlags.DisplaySpeed);
      boolean debugDisplayName = debugFlags.contains(RoleDebugFlags.DisplayName);
      boolean debugDisplayInternalId = debugFlags.contains(RoleDebugFlags.DisplayInternalId);
      if (!debugDisplayInternalId
         && !debugDisplayState
         && !debugDisplayFlock
         && !debugDisplayTime
         && !debugDisplayAnim
         && !debugDisplayLockedTarget
         && !debugDisplayLightLevel
         && !debugDisplayCustom
         && !debugDisplayFreeSlots
         && !debugDisplayPathFinder
         && !debugDisplayHP
         && !debugDisplaySpeed
         && !debugDisplayName
         && !debugDisplayStamina) {
         return null;
      } else {
         RoleDebugDisplay debugDisplay = new RoleDebugDisplay();
         debugDisplay.debugDisplayState = debugDisplayState;
         debugDisplay.debugDisplayTime = debugDisplayTime;
         debugDisplay.debugDisplayFlock = debugDisplayFlock;
         debugDisplay.debugDisplayAnim = debugDisplayAnim;
         debugDisplay.debugDisplayLockedTarget = debugDisplayLockedTarget;
         debugDisplay.debugDisplayLightLevel = debugDisplayLightLevel;
         debugDisplay.debugDisplayCustom = debugDisplayCustom;
         debugDisplay.debugDisplayFreeSlots = debugDisplayFreeSlots;
         debugDisplay.debugDisplayPathFinder = debugDisplayPathFinder;
         debugDisplay.debugDisplayHP = debugDisplayHP;
         debugDisplay.debugDisplayStamina = debugDisplayStamina;
         debugDisplay.debugDisplaySpeed = debugDisplaySpeed;
         debugDisplay.debugDisplayInternalId = debugDisplayInternalId;
         debugDisplay.debugDisplayName = debugDisplayName;
         return debugDisplay;
      }
   }
}