package net.minecraft.network.protocol.game;

import java.time.Instant;
import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.chat.LastSeenMessages;
import net.minecraft.network.chat.MessageSignature;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.PacketType;
import org.jetbrains.annotations.Nullable;

public record ServerboundChatPacket(String message, Instant timeStamp, long salt, @Nullable MessageSignature signature, LastSeenMessages.Update lastSeenMessages)
	implements Packet<ServerGamePacketListener> {
	public static final StreamCodec<FriendlyByteBuf, ServerboundChatPacket> STREAM_CODEC = Packet.codec(ServerboundChatPacket::write, ServerboundChatPacket::new);

	private ServerboundChatPacket(FriendlyByteBuf buffer) {
		this(buffer.readUtf(256), buffer.readInstant(), buffer.readLong(), buffer.readNullable(MessageSignature::read), new LastSeenMessages.Update(buffer));
	}

	/**
	 * Writes the raw packet data to the data stream.
	 */
	private void write(FriendlyByteBuf buffer) {
		buffer.writeUtf(this.message, 256);
		buffer.writeInstant(this.timeStamp);
		buffer.writeLong(this.salt);
		buffer.writeNullable(this.signature, MessageSignature::write);
		this.lastSeenMessages.write(buffer);
	}

	@Override
	public PacketType<ServerboundChatPacket> type() {
		return GamePacketTypes.SERVERBOUND_CHAT;
	}

	/**
	 * Passes this Packet on to the NetHandler for processing.
	 */
	public void handle(ServerGamePacketListener handler) {
		handler.handleChat(this);
	}
}