package net.minecraft.network.protocol.game;

import java.util.List;
import java.util.Optional;
import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.PacketType;

public record ServerboundEditBookPacket(int slot, List<String> pages, Optional<String> title) implements Packet<ServerGamePacketListener> {
    public static final StreamCodec<FriendlyByteBuf, ServerboundEditBookPacket> STREAM_CODEC = StreamCodec.composite(
        ByteBufCodecs.VAR_INT,
        ServerboundEditBookPacket::slot,
        ByteBufCodecs.stringUtf8(1024).apply(ByteBufCodecs.list(100)),
        ServerboundEditBookPacket::pages,
        ByteBufCodecs.stringUtf8(32).apply(ByteBufCodecs::optional),
        ServerboundEditBookPacket::title,
        ServerboundEditBookPacket::new
    );

    public ServerboundEditBookPacket(int slot, List<String> pages, Optional<String> title) {
        pages = List.copyOf(pages);
        this.slot = slot;
        this.pages = pages;
        this.title = title;
    }

    @Override
    public PacketType<ServerboundEditBookPacket> type() {
        return GamePacketTypes.SERVERBOUND_EDIT_BOOK;
    }

    @Override
    public void handle(ServerGamePacketListener handler) {
        handler.handleEditBook(this);
    }
}
