using System;
using System.IO;
using MelonLoader;

namespace ADOFAIRenderer.Util
{
    internal static class StreamUtil
    {
        public static void WriteNativePtrToStream(IntPtr nativePtr, int length, Stream destinationStream)
        {
            if (nativePtr == IntPtr.Zero)
                throw new ArgumentNullException(nameof(nativePtr));
            if (length <= 0) return;

            unsafe
            {
                try
                {
                    var span = new ReadOnlySpan<byte>((void*)nativePtr, length);
                    destinationStream.Write(span);
                }
                catch (IOException err)
                {
                    Melon<RenderMod>.Logger.Error($"FFmpeg 파이프가 예상치 못하게 닫혔습니다: {err.Message}");
                }
            }
        }
    }
}