using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization.Formatters;

using System.IO;

using System.Data;

using System.ComponentModel.DataAnnotations;

using System.Globalization;

using System.Reflection;

using System.Collections.ObjectModel;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

using NUnit.Framework; // Throws NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/59363498/handling-json-into-readable-data

​

    public class Product

    {

        public decimal cost { get; set; }

        public int count { get; set; }

    }

​

    public static class ProductConstants

    {

        static ReadOnlyCollection<string> wellKnownStores = new ReadOnlyCollection<string>(new [] { "StoreOne", "StoreTwo" /* Etc */ });

        public static IReadOnlyCollection<string> WellKnownStores => wellKnownStores;

        static ReadOnlyCollection<string> wellKnownProducts = new ReadOnlyCollection<string>(new [] { "va", "ok", "wa", "vi", "tg" /* Etc */});

​

        public static IReadOnlyCollection<string> WellKnownProducts => wellKnownProducts;

    }

​

    class TestClass

    {

        public static void Test()

        {

            var json = GetJson();

            var data = JsonConvert.DeserializeObject<Dictionary<string, Dictionary<string, Product>>>(json);

​

            foreach (var store in ProductConstants.WellKnownStores)

            {

                Console.WriteLine("Products for {0}: {1}.", store,

                                  string.Join(",", data.GetValueOrDefault(store)?.Keys ?? (IEnumerable<string>)new [] {"None"}));

            }

            var json2 = JsonConvert.SerializeObject(data, Formatting.Indented);

            Console.WriteLine("Re-serialized JSON:");

            Console.WriteLine(json2);

        }   

        static string GetJson()

        {

            var json = @"{

  ""StoreOne"": {    //  <--- Store Name

    ""vk"": {        //     <--- Store Product

      ""cost"": 19,     //    <--- information about product

      ""count"": 1903   //    <--- information about product

    },

    ""ok"": {

      ""cost"": 4,

      ""count"": 2863

    },

    ""wa"": {

      ""cost"": 4,

      ""count"": 2210

    },

    ""vi"": {

      ""cost"": 3,

      ""count"": 965

    },

    ""tg"": {

      ""cost"": 4,

      ""count"": 769

    },

  }

}

";

            return json;

        }

    }

​

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());

            Console.WriteLine("Json.NET version: " + typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

        public static string GetNetCoreVersion()

        {

            //https://techblog.dorogin.com/how-to-detect-net-core-version-in-runtime-ecd65ad695be

            //

            var assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

            var assemblyPath = assembly.CodeBase.Split(new[] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries);

            int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");

            if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)

                return assemblyPath[netCoreAppIndex + 1];

            return null;

        }

    }

​