using System.Formats.Nrbf;
using System.Runtime.Serialization.Formatters.Binary;

namespace NrbfBestPractices
{
    internal class Program
    {
        static void Main(string[] args)
        {
            using MemoryStream payload = new();
#pragma warning disable SYSLIB0011 // Type or member is obsolete
            BinaryFormatter formatter = new();
#pragma warning restore SYSLIB0011 // Type or member is obsolete
            formatter.Serialize(payload, new Derived(42)
            {
                Text = "Hello, World!",
            });
            payload.Position = 0;

            ClassRecord rootRecord = NrbfDecoder.DecodeClassRecord(payload);
            Derived decoded = new(rootRecord.GetInt32("Base+integer")) // HERE
            {
                Text = rootRecord.GetString(nameof(Derived.Text)),
            };
            Console.WriteLine($"Integer: {decoded.Integer}, Text: {decoded.Text}");
        }
    }

    [Serializable]
    public class Base
    {
        private int integer;

        public int Integer => integer;

        public Base(int _)
        {
            integer = _;
        }
    }

    [Serializable]
    public class Derived : Base
    {
        public string Text;
        public Derived(int integer) : base(integer)
        {
        }
    }
}