package net.minecraft.network.protocol.game;

import java.util.BitSet;
import net.minecraft.network.RegistryFriendlyByteBuf;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.PacketType;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.chunk.LevelChunk;
import net.minecraft.world.level.lighting.LevelLightEngine;
import org.jetbrains.annotations.Nullable;

public class ClientboundLevelChunkWithLightPacket implements Packet<ClientGamePacketListener> {
	public static final StreamCodec<RegistryFriendlyByteBuf, ClientboundLevelChunkWithLightPacket> STREAM_CODEC = Packet.codec(
		ClientboundLevelChunkWithLightPacket::write, ClientboundLevelChunkWithLightPacket::new
	);
	private final int x;
	private final int z;
	private final ClientboundLevelChunkPacketData chunkData;
	private final ClientboundLightUpdatePacketData lightData;

	public ClientboundLevelChunkWithLightPacket(LevelChunk chunk, LevelLightEngine lightEngine, @Nullable BitSet skyLight, @Nullable BitSet blockLight) {
		ChunkPos chunkPos = chunk.getPos();
		this.x = chunkPos.x;
		this.z = chunkPos.z;
		this.chunkData = new ClientboundLevelChunkPacketData(chunk);
		this.lightData = new ClientboundLightUpdatePacketData(chunkPos, lightEngine, skyLight, blockLight);
	}

	private ClientboundLevelChunkWithLightPacket(RegistryFriendlyByteBuf buffer) {
		this.x = buffer.readInt();
		this.z = buffer.readInt();
		this.chunkData = new ClientboundLevelChunkPacketData(buffer, this.x, this.z);
		this.lightData = new ClientboundLightUpdatePacketData(buffer, this.x, this.z);
	}

	private void write(RegistryFriendlyByteBuf buffer) {
		buffer.writeInt(this.x);
		buffer.writeInt(this.z);
		this.chunkData.write(buffer);
		this.lightData.write(buffer);
	}

	@Override
	public PacketType<ClientboundLevelChunkWithLightPacket> type() {
		return GamePacketTypes.CLIENTBOUND_LEVEL_CHUNK_WITH_LIGHT;
	}

	/**
	 * Passes this Packet on to the PacketListener for processing.
	 */
	public void handle(ClientGamePacketListener handler) {
		handler.handleLevelChunkWithLight(this);
	}

	public int getX() {
		return this.x;
	}

	public int getZ() {
		return this.z;
	}

	public ClientboundLevelChunkPacketData getChunkData() {
		return this.chunkData;
	}

	public ClientboundLightUpdatePacketData getLightData() {
		return this.lightData;
	}
}