using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BotBridge;

internal class BotExtHost
{

    private readonly Stream _stdIn = Console.OpenStandardInput();
    private readonly Stream _stdOut = Console.OpenStandardOutput();


    public void WriteData(byte[] data)
    {
        byte[] dataLength = BitConverter.GetBytes(data.Length);
        if (BitConverter.IsLittleEndian)
        {
            Array.Reverse(dataLength);
        }
        _stdOut.Write(dataLength, 0, dataLength.Length);

        _stdOut.Write(data, 0, data.Length);
        _stdIn.Flush();
    }

    public byte[] ReadData()
    {
        byte[] dataLengthBytes = new byte[4];
        _stdIn.Read(dataLengthBytes, 0, 4);
        if (BitConverter.IsLittleEndian)
        {
            Array.Reverse(dataLengthBytes);
        }
        int dataLength = BitConverter.ToInt32(dataLengthBytes, 0);

        byte[] data = new byte[dataLength];
        _stdIn.Read(data, 0, dataLength);
        return data;
    }


}