using System;
using System.IO;

namespace ScreenConnect;

public class DiskFileData : FileData
{
	private string basePath;

	private FileSystemInfo fileSystemInfo;

	public override string FilePath => fileSystemInfo.FullName.Substring(basePath.Length);

	public override long Size
	{
		get
		{
			if (!(fileSystemInfo is FileInfo fileInfo))
			{
				return 0L;
			}
			if (!fileInfo.Attributes.AreFlagsSet(FileAttributes.ReparsePoint))
			{
				return fileInfo.Length;
			}
			return -1L;
		}
	}

	public override DateTime CreationTime => fileSystemInfo.CreationTime;

	public override DateTime LastWriteTime => fileSystemInfo.LastWriteTime;

	public override DateTime LastAccessTime => fileSystemInfo.LastAccessTime;

	public override bool IsDirectory => fileSystemInfo is DirectoryInfo;

	public DiskFileData(string basePath, FileSystemInfo fileSystemInfo)
	{
		this.basePath = basePath.AssertArgumentNonNull("basePath");
		this.fileSystemInfo = fileSystemInfo.AssertArgumentNonNull("fileSystemInfo");
	}

	public override void Dispose()
	{
	}

	public override Stream OpenReadStream()
	{
		return fileSystemInfo.To<FileInfo>().Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
	}
}