using XZ.NET;

namespace WarcViewerBlazorWinForm.Backend.IO.Archiving
{
    internal static class XzRwOps
    {
        public static Stream ReadXzStream(Stream inputStream) => new XZInputStream(inputStream);

        public static Stream WriteXzStream(Stream outputStream, int thread = 1, uint level = 9) => new XZOutputStream(outputStream, thread, level);

        public static Stream OpenReadXzFile(string filePath) => ReadXzStream(File.OpenRead(filePath));

        public static Stream OpenWriteXzFile(string filePath) => WriteXzStream(File.OpenWrite(filePath));

        public static byte[] ReadXzFile(string filePath)
        {
            using var fs = File.OpenRead(filePath);
            using var msDecompressed = new MemoryStream();
            using var xzR = ReadXzStream(fs);
            xzR.CopyTo(msDecompressed);
            return msDecompressed.ToArray();
        }

        public static void WriteXzFile(byte[] toCompressBytes, string filePath, uint level = 9)
        {
            var compressedBytes = XZOutputStream.Encode(toCompressBytes, level);
            File.WriteAllBytes(filePath, compressedBytes);
        }
    }
}