using System.IO;
using System.Linq;
using SharpCompress.Common.GZip;

namespace SharpCompress.Archives.GZip;

public class GZipArchiveEntry : GZipEntry, IArchiveEntry
{
    internal GZipArchiveEntry(GZipArchive archive, GZipFilePart? part)
        : base(part) => Archive = archive;

    public virtual Stream OpenEntryStream()
    {
        //this is to reset the stream to be read multiple times
        var part = (GZipFilePart)Parts.Single();
        if (part.GetRawStream().Position != part.EntryStartPosition)
        {
            part.GetRawStream().Position = part.EntryStartPosition;
        }
        return Parts.Single().GetCompressedStream();
    }

    #region IArchiveEntry Members

    public IArchive Archive { get; }

    public bool IsComplete => true;

    #endregion
}
