using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

using System.Data;

using System.Globalization;

using System.Reflection;

​

using System.Drawing;

​

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/72465594/deserialization-of-json-list-returns-as-much-as-property-count-list

//https://stackoverflow.com/questions/72352865/serialize-list-of-objects-with-string-properties-to-json-array-of-objects

​

    public class CrimeResultModel

    {

        [JsonProperty("criminal_record_list")]

        public List<criminal_record_list> criminal_record_list{ get; set; }

​

        [JsonProperty("query")]

        public query query{ get; set; }

​

        [JsonProperty("identity")]

        public identity identity { get; set; }

        public long CriminalRecordType { get; set; }

    }

​

    public class criminal_record_list

    {

        [JsonProperty("crime")]

        public string crime{ get; set; }

​

        [JsonProperty("value")]

        public int value{ get; set; }

    }

​

    public class query

    {

        public string number{ get; set; }

        public string location{ get; set; }

        public string date{ get; set; }

        public string querytype{ get; set; }

        public string reason{ get; set; }

        public string identitytype{ get; set; }

    }

​

    public class identity

    {

        public string name{ get; set; }

        public string surname{ get; set; }

        public string id{ get; set; }

        public string mothername{ get; set; }

        public string fathername{ get; set; }

        public string birthlocation{ get; set; }

​

        public string birthday{ get; set; }

        public string birthmonth{ get; set; }

        public string birthyear{ get; set; }

        public string birthlocationCity{ get; set; }

    }

​

    public class ObjectAsObjectArrayConverter : JsonConverter

    {

        // Generalized from this answer https://stackoverflow.com/a/72354204/3744182

        // By https://stackoverflow.com/users/3744182/dbc

        // To https://stackoverflow.com/questions/72352865/serialize-list-of-objects-with-string-properties-to-json-array-of-objects

        static IContractResolver DefaultResolver { get; } = JsonSerializer.Create().ContractResolver;

        readonly IContractResolver resolver;

​

        public ObjectAsObjectArrayConverter() : this(DefaultResolver) { }

        public ObjectAsObjectArrayConverter(IContractResolver resolver) => this.resolver = resolver ?? throw new ArgumentNullException(nameof(resolver));

​

        public override bool CanConvert(Type objectType)

        {

            if (objectType.IsPrimitive || objectType == typeof(string))

                return false;

            if (!(resolver.ResolveContract(objectType) is JsonObjectContract contract))

                return false;

            if (contract.DefaultCreator == null)

                return false;

            return true;

        }

​

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

        {

            var contract = (serializer.ContractResolver.ResolveContract(value.GetType()) as JsonObjectContract) ?? throw new ArgumentException("Wrong contract type");

            writer.WriteStartArray();

            foreach (var property in contract.Properties.Where(p => ShouldSerialize(p, value)))

            {

                var propertyValue = property.ValueProvider.GetValue(value);

                if (propertyValue == null && (serializer.NullValueHandling == NullValueHandling.Ignore || property.NullValueHandling == NullValueHandling.Ignore))

                    continue;

                writer.WriteStartObject();

                writer.WritePropertyName(property.PropertyName);

                if (propertyValue == null)

                    writer.WriteNull();

                else if (property.Converter != null && property.Converter.CanWrite)

                    property.Converter.WriteJson(writer, propertyValue, serializer);

                else

                    serializer.Serialize(writer, propertyValue);

                writer.WriteEndObject();

            }

            writer.WriteEndArray();

        }

​

        protected virtual bool ShouldSerialize(JsonProperty property, object value) =>

            property.Readable && !property.Ignored && (property.ShouldSerialize == null || property.ShouldSerialize(value));

​

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

        {

            if (existingValue == null)

                existingValue = serializer.ContractResolver.ResolveContract(objectType).DefaultCreator();

​

            switch (reader.MoveToContentAndAssert().TokenType)

            {

                case JsonToken.Null:

                    return (object)null;

                case JsonToken.StartArray:

                    while (reader.ReadToContentAndAssert().TokenType != JsonToken.EndArray)

                    {

                        switch (reader.TokenType)

                        {

                            case JsonToken.StartObject:

                                serializer.Populate(reader, existingValue);

                                break;

                            default:

                                throw new JsonSerializationException("Unexpected token type " + reader.TokenType.ToString());

                        }

                    }

                    break;

​

                case JsonToken.StartObject:

                    serializer.Populate(reader, existingValue);

                    break;

​

                default:

                    throw new JsonSerializationException("Unexpected token type " + reader.TokenType.ToString());

            }

            return existingValue;

        }

    }

    public static partial class JsonExtensions

    {

        public static JsonReader ReadToContentAndAssert(this JsonReader reader) =>

            reader.ReadAndAssert().MoveToContentAndAssert();

​

        public static JsonReader MoveToContentAndAssert(this JsonReader reader)

        {

            if (reader == null)

                throw new ArgumentNullException();

            if (reader.TokenType == JsonToken.None)       // Skip past beginning of stream.

                reader.ReadAndAssert();

            while (reader.TokenType == JsonToken.Comment) // Skip past comments.

                reader.ReadAndAssert();

            return reader;

        }

​

        public static JsonReader ReadAndAssert(this JsonReader reader)

        {

            if (reader == null)

                throw new ArgumentNullException();

            if (!reader.Read())

                throw new JsonReaderException("Unexpected end of JSON stream.");

            return reader;

        }

    }

​

    class TestClass

    {

        public static void Test()

        {

            var jsonString = GetJson();

            var inputSettings = new JsonSerializerSettings

            {

                Converters = { new ObjectAsObjectArrayConverter() },

            };

            var result = JsonConvert.DeserializeObject<CrimeResultModel>(jsonString, inputSettings);

            var newJson = JsonConvert.SerializeObject(result, Formatting.Indented);

            Console.WriteLine("Re-serialized {0}", result);

            Console.WriteLine(newJson);

            Assert.AreEqual(result.query.reason, "TEST");

            Assert.AreEqual(result.query.location, "xx");

            Assert.AreEqual(result.identity.name, "xx");

            Assert.AreEqual(result.identity.birthlocationCity, "xx");

        }

        static string GetJson() => @"[{""query"":[{""number"":""0000-2022-64129734 / 19:26""},{""location"":""xx""},{""date"":""01.06.2022""},{""querytype"":""uu""},{""reason"":""TEST""},{""identitytype"":""xx""}]},{""identity"":[{""name"":""xx""},{""surname"":""xx""},{""id"":""xx""},{""mothername"":""xx""},{""fathername"":""xx""},{""birthlocation"":""xx""},{""birthday"":""05""},{""birthmonth"":""05""},{""birthyear"":""1964""},{""birthlocationCity"":""xx""}]},{""criminal_record_list"":[[{""crime"":""xx""},{""value"":3}]]}]";

    }

​

    public class Program

    {

        public static void Main()

        {

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

            Console.WriteLine("{0} version: {1}", typeof(JsonSerializer).Assembly.GetName().Name,  typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

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

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​