package com.hypixel.hytale.protocol.packets.setup;

import com.hypixel.hytale.protocol.Asset;
import com.hypixel.hytale.protocol.Packet;
import com.hypixel.hytale.protocol.io.ValidationResult;
import io.netty.buffer.ByteBuf;
import java.util.Objects;
import javax.annotation.Nonnull;

public class AssetInitialize implements Packet {
   public static final int PACKET_ID = 24;
   public static final boolean IS_COMPRESSED = false;
   public static final int NULLABLE_BIT_FIELD_SIZE = 0;
   public static final int FIXED_BLOCK_SIZE = 4;
   public static final int VARIABLE_FIELD_COUNT = 1;
   public static final int VARIABLE_BLOCK_START = 4;
   public static final int MAX_SIZE = 2121;
   @Nonnull
   public Asset asset = new Asset();
   public int size;

   @Override
   public int getId() {
      return 24;
   }

   public AssetInitialize() {
   }

   public AssetInitialize(@Nonnull Asset asset, int size) {
      this.asset = asset;
      this.size = size;
   }

   public AssetInitialize(@Nonnull AssetInitialize other) {
      this.asset = other.asset;
      this.size = other.size;
   }

   @Nonnull
   public static AssetInitialize deserialize(@Nonnull ByteBuf buf, int offset) {
      AssetInitialize obj = new AssetInitialize();
      obj.size = buf.getIntLE(offset + 0);
      int pos = offset + 4;
      obj.asset = Asset.deserialize(buf, pos);
      pos += Asset.computeBytesConsumed(buf, pos);
      return obj;
   }

   public static int computeBytesConsumed(@Nonnull ByteBuf buf, int offset) {
      int pos = offset + 4;
      pos += Asset.computeBytesConsumed(buf, pos);
      return pos - offset;
   }

   @Override
   public void serialize(@Nonnull ByteBuf buf) {
      buf.writeIntLE(this.size);
      this.asset.serialize(buf);
   }

   @Override
   public int computeSize() {
      int size = 4;
      return size + this.asset.computeSize();
   }

   public static ValidationResult validateStructure(@Nonnull ByteBuf buffer, int offset) {
      if (buffer.readableBytes() - offset < 4) {
         return ValidationResult.error("Buffer too small: expected at least 4 bytes");
      } else {
         int pos = offset + 4;
         ValidationResult assetResult = Asset.validateStructure(buffer, pos);
         if (!assetResult.isValid()) {
            return ValidationResult.error("Invalid Asset: " + assetResult.error());
         } else {
            pos += Asset.computeBytesConsumed(buffer, pos);
            return ValidationResult.OK;
         }
      }
   }

   public AssetInitialize clone() {
      AssetInitialize copy = new AssetInitialize();
      copy.asset = this.asset.clone();
      copy.size = this.size;
      return copy;
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj) {
         return true;
      } else {
         return !(obj instanceof AssetInitialize other) ? false : Objects.equals(this.asset, other.asset) && this.size == other.size;
      }
   }

   @Override
   public int hashCode() {
      return Objects.hash(this.asset, this.size);
   }
}