using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Diagnostics;

using System.IO;

using System.Threading;

using System.Collections.ObjectModel;

using System.Globalization;

using System.Net;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;

​

​

// https://stackoverflow.com/questions/44863460/parsing-complex-json-with-c-sharp

​

    [JsonConverter(typeof(TypedExtensionDataConverter<RootObject>))]

    public class RootObject

    {

        public RootObject()

        {

            // Ensure dictionaries are allocated.

            this.MetaData = new Dictionary<string, string>();

            this.TimeSeries = new Dictionary<string, Dictionary<DateTime, Dictionary<string, decimal>>>();

        }

​

        [JsonProperty("Meta Data")]

        public Dictionary<string, string> MetaData { get; set; }

​

        [JsonTypedExtensionData]

        public Dictionary<string, Dictionary<DateTime, Dictionary<string, decimal>>> TimeSeries { get; set; }

    }

​

    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]

    public class JsonTypedExtensionDataAttribute : Attribute

    {

    }

​

    // Converter and attribute from 

    // https://stackoverflow.com/questions/40088941/how-to-deserialize-a-child-object-with-dynamic-numeric-key-names

​

    public class TypedExtensionDataConverter<TObject> : JsonConverter

    {

        public override bool CanConvert(Type objectType)

        {

            return typeof(TObject).IsAssignableFrom(objectType);

        }

​

        JsonProperty GetExtensionJsonProperty(JsonObjectContract contract)

        {

            try

            {

                return contract.Properties.Where(p => p.AttributeProvider.GetAttributes(typeof(JsonTypedExtensionDataAttribute), false).Any()).Single();

            }

            catch (InvalidOperationException ex)

            {

                throw new JsonSerializationException(string.Format("Exactly one property with JsonTypedExtensionDataAttribute is required for type {0}", contract.UnderlyingType), ex);

            }

        }

​

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

        {

            if (reader.TokenType == JsonToken.Null)

                return null;

            var jObj = JObject.Load(reader);

            var contract = (JsonObjectContract)serializer.ContractResolver.ResolveContract(objectType);

            var extensionJsonProperty = GetExtensionJsonProperty(contract);

​

            var extensionJProperty = (JProperty)null;

            for (int i = jObj.Count - 1; i >= 0; i--)

            {

                var property = (JProperty)jObj.AsList()[i];

                if (contract.Properties.GetClosestMatchProperty(property.Name) == null)

                {

                    if (extensionJProperty == null)

                    {

                        extensionJProperty = new JProperty(extensionJsonProperty.PropertyName, new JObject());

                        jObj.Add(extensionJProperty);

                    }

                    ((JObject)extensionJProperty.Value).Add(property.RemoveFromLowestPossibleParent());

                }

            }

​

            var value = existingValue ?? contract.DefaultCreator();

            using (var subReader = jObj.CreateReader())

                serializer.Populate(subReader, value);

            return value;

        }

​

        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)

        {

            var contract = (JsonObjectContract)serializer.ContractResolver.ResolveContract(value.GetType());

            var extensionJsonProperty = GetExtensionJsonProperty(contract);

​

            JObject jObj;

            using (new PushValue<bool>(true, () => Disabled, (canWrite) => Disabled = canWrite))

            {

                jObj = JObject.FromObject(value, serializer);

            }

​

            var extensionValue = (jObj[extensionJsonProperty.PropertyName] as JObject).RemoveFromLowestPossibleParent();

            if (extensionValue != null)

            {

                for (int i = extensionValue.Count - 1; i >= 0; i--)

                {

                    var property = (JProperty)extensionValue.AsList()[i];

                    jObj.Add(property.RemoveFromLowestPossibleParent());

                }

            }

​

            jObj.WriteTo(writer);

        }

​

        [ThreadStatic]

        static bool disabled;

​

        // Disables the converter in a thread-safe manner.

        bool Disabled { get { return disabled; } set { disabled = value; } }

​

        public override bool CanWrite { get { return !Disabled; } }

​

        public override bool CanRead { get { return !Disabled; } }

    }

​

    public struct PushValue<T> : IDisposable

    {

        Action<T> setValue;

        T oldValue;

​

        public PushValue(T value, Func<T> getValue, Action<T> setValue)

        {

            if (getValue == null || setValue == null)

                throw new ArgumentNullException();

            this.setValue = setValue;

            this.oldValue = getValue();

            setValue(value);

        }

​

        #region IDisposable Members

​

        // By using a disposable struct we avoid the overhead of allocating and freeing an instance of a finalizable class.

        public void Dispose()

        {

            if (setValue != null)

                setValue(oldValue);

        }

​

        #endregion

    }

​

    public static class JsonExtensions

    {

        public static TJToken RemoveFromLowestPossibleParent<TJToken>(this TJToken node) where TJToken : JToken

        {

            if (node == null)

                return null;

            var contained = node.AncestorsAndSelf().Where(t => t.Parent is JContainer && t.Parent.Type != JTokenType.Property).FirstOrDefault();

            if (contained != null)

                contained.Remove();

            // Also detach the node from its immediate containing property -- Remove() does not do this even though it seems like it should

            if (node.Parent is JProperty)

                ((JProperty)node.Parent).Value = null;

            return node;

        }

​

        public static IList<JToken> AsList(this IList<JToken> container) { return container; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            var json = GetJson();

​

            Console.WriteLine("Input JSON:");

            Console.WriteLine(json);

            Console.WriteLine();

​

            var root = JsonConvert.DeserializeObject<RootObject>(json);

​

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

​

            Console.WriteLine("Deserialized and re-serialized JSON:");

            Console.WriteLine(json2);

            Console.WriteLine("");

        }

​

        static string GetJson()

        {

            var json = @"{

  ""Meta Data"": {

    ""1. Information"": ""Intraday (1min) prices and volumes"",

    ""2. Symbol"": ""MU"",

    ""3. Last Refreshed"": ""2017-05-30 16:00:00"",

    ""4. Interval"": ""1min"",

    ""5. Output Size"": ""Full size"",

    ""6. Time Zone"": ""US/Eastern""

  },

  ""Time Series (1min)"": {

    ""2017-05-30 16:00:00"": {

      ""1. open"": ""30.7200"",

      ""2. high"": ""30.7300"",

      ""3. low"": ""30.7000"",

      ""4. close"": ""30.7000"",

      ""5. volume"": ""1390302""

    },

    ""2017-05-30 15:59:00"": {

      ""1. open"": ""30.7750"",

      ""2. high"": ""30.7800"",

      ""3. low"": ""30.7200"",

      ""4. close"": ""30.7250"",

      ""5. volume"": ""380134""

    }

  },

  ""Time Series (10min)"": {

    ""2017-05-30 16:00:00"": {

      ""1. open"": ""30.7200"",

      ""2. high"": ""30.7300"",

      ""3. low"": ""30.7000"",

      ""4. close"": ""30.7000"",

      ""5. volume"": ""1390302""

    },

    ""2017-05-30 15:59:00"": {

      ""1. open"": ""30.7750"",

      ""2. high"": ""30.7800"",

      ""3. low"": ""30.7200"",

      ""4. close"": ""30.7250"",

      ""5. volume"": ""380134""

    }

  }

}";

            return json;

        }

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: " + Environment.Version);

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

            Console.WriteLine("");

            TestClass.Test();

        }

    }