using Godot;
using System.Collections.Generic;

namespace Network.PacketHandling {
    public class PacketBuffer {

        private List<byte> ByteList;
        private int ReadCounter = 0;

        public byte[] ByteBuffer { get { return ByteList.ToArray(); } }
        public int Length { get { return ByteList.Count; } }
        public bool HasNext { get { return ReadCounter > ByteList.Count; } }

        public byte Read() {
            if (!HasNext) {
                GD.printerr("Attempted to read byte; Impossible, byte buffer ended.");
                return 0;
            }
            return ByteList[ReadCounter++];
        }

        public void Write(byte toWrite) {
            ByteList.Add(toWrite);
        }

        public static PacketBuffer FromByteBuffer(byte[] byteBuffer) {
            PacketBuffer PB = new PacketBuffer();
            PB.ByteList = new List<byte>(byteBuffer);
            return PB;
        }

    }
}