using System;

using System.IO;

using System.Net.Http;

using System.Threading.Tasks;

using System.IO.Compression;

using Newtonsoft.Json;

​

public static class Program

{

    public static void Main()

    {

        //var diff1 = DateIntervalToSeconds(null);

        //var diff2 = DateIntervalToSeconds(DateTime.Now);

        //var diff3 = DateIntervalToSeconds(DateTime.Now.AddDays(30));

        //Console.WriteLine(diff1);                         

        //Console.WriteLine(diff2);                         

        //Console.WriteLine(diff3);                         

        var json = @"{

""endToEndIdDevolucao"":""E00038166201907261559y6j6mt9l1pi"",

""dtHrSituacao"":""2020-01-24T10:30:00.000Z"",

""stJdPiProc"":9,

""stJdPi"":9,

""valorDevolucao"":50.10,

""codigoDevolucao"": ""AM05"",

""infEntreClientes"":""campo livre""

}";

        var deserialized = JsonConvert.DeserializeObject<Result>(json);

        Console.WriteLine(deserialized.EndToEndId);

    }

    public static int DateIntervalToSeconds(this DateTime? dataFutura)

    {

        var dataAtual = DateTime.Now;

        if (!dataFutura.HasValue) dataFutura = DateTime.Now.AddDays(1);

        if (dataFutura.Value.Date == DateTime.Now.Date) dataFutura = DateTime.Now.AddDays(1);       

        var intervaloEmSegundos = (dataFutura.Value - dataAtual).TotalSeconds;      

        return Convert.ToInt32(intervaloEmSegundos);

    }

    public static string SubstringEverything(this string text, int startIndex, int length) 

    {       

        try 

        {

            if (text.Length >= length) 

                return text.Substring(startIndex, length);

            return text;

        }

        catch (Exception ex)

        {

            throw new Exception(String.Format("Ocorreu um erro na operação de substring: {0}", ex.ToString()));

        }

        throw new InvalidOperationException("Ocorreu um erro na operação de substring");

    }   

}

​

public class Result 

    {

        public string EndToEndId { get; set; } 

        public DateTime DtHrSituacao { get; set; } 

        public int StJdPiProc { get; set; } 

        public int StJdPi { get; set; } 

        public double ValorDevolucao { get; set; } 

        //public string CodigoDevolucao { get; set; } 

        public string InfEntreClientes { get; set; } 

    }