namespace AipGateway.API.Application.Utils
{
    public class AipFileUtils
    {
        public static string fileSizeFormatBytes(long bytes)
        {
            const int scale = 1024;
            string[] orders = new string[] { "GB", "MB", "KB", "Bytes" };
            long max = (long)Math.Pow(scale, orders.Length - 1);

            foreach (string order in orders)
            {
                if (bytes > max)
                    return string.Format("{0:##.##} {1}", decimal.Divide(bytes, max), order);

                max /= scale;
            }
            return "0 Bytes";
        }

        public static bool isExists(String fileName)
        {
            return File.Exists(fileName);
        }
        public static String getFileName(String fileName)
        {
            return Path.GetFileName(fileName);
        }
        public static String getFileNameWithoutExtension(String fileName)
        {
            return Path.GetFileNameWithoutExtension(fileName);
        }
        public static String getExtension(String fileName)
        {
            String fileExt = Path.GetExtension(fileName).ToLower();
            if (fileExt == null)
            {
                return ".";
            }
            return fileExt;
        }
        
        public static void delete(string fileName)
        {
            try
            {
                if (File.Exists(fileName))
                {
                    File.Delete(fileName);
                }
            }
            catch (Exception) { }
        }
    }
}