using System;
using System.IO;
using System.IO.Compression;
using System.Security.Cryptography;
using System.Text;

namespace CheckSum
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            Console.InputEncoding = Encoding.UTF8;
            Console.OutputEncoding = Encoding.UTF8;
            var file = string.Empty;
            using var sha = SHA1.Create();
            if (args.Length > 0)
            {
                file = args[0];
            }
            else
            {
                Console.WriteLine("input file name:");
                file = Console.ReadLine();
            }
            if (File.Exists(file))
            {
                Console.WriteLine(BitConverter.ToString(sha.ComputeHash(File.ReadAllBytes(file))).Replace("-", ""));
                ZipFile.ExtractToDirectory(file, Path.Combine(Directory.GetCurrentDirectory(), "IoTNode"), true);
            }
            else
            {
                Console.WriteLine($"file {file} does not Exist");
            }
        }
    }
}