using System;

using System.Collections.Generic;

using JsonSubTypes;

using Newtonsoft.Json;

​

namespace TestJsonSer

{

    public class Program

    {

        public static void Main(string[] args)

        {

            var simpleArray = @"[

    {

      ""text"": ""Gift amount"",

      ""order"": 0,

      ""widget_type"": ""HEADER""

    },

    {

      ""label"": {

        ""text"": ""Name"",

        ""hint"": ""Original text: Name""

      },

      ""placeholder_last_name"": ""Last name"",

      ""placeholder_first_name"": ""First name"",

      ""order"": 3,

      ""widget_type"": ""NAME""

    },

    {

      ""label"": {

        ""text"": ""Email"",

        ""hint"": ""Original text: Email""

      },

      ""required"": true,

      ""order"": 4,

      ""widget_type"": ""EMAIL""

    }

]";

            var arrayInParent = @"{""name"": ""root"", ""children"": " + simpleArray + "}";

            var deserializeArray = JsonConvert.DeserializeObject<Widget[]>(simpleArray);

            foreach (var widget in deserializeArray)

            {

                Console.WriteLine(widget.GetType());

            }

​

            Console.WriteLine("------");

            var deserializeInParent = JsonConvert.DeserializeObject<Root>(arrayInParent);

            foreach (var widget in deserializeInParent.Children)

            {

                Console.WriteLine(widget.GetType());

            }

        }

    }

​

    public class Root

    {

        [JsonProperty("name", Required = Required.Always)]

        public string WidgetType { get; set; }

​

        // IMPORTANT !

        [JsonConverter(typeof(JsonSubtypes), "widget_type")]

        [JsonProperty("children", Required = Required.Always)]

        public List<Widget> Children { get; set; }

    }

​

​

    [JsonConverter(typeof(JsonSubtypes), "widget_type")]

    [JsonSubtypes.KnownSubType(typeof(HeaderWidget), "HEADER")]

    [JsonSubtypes.KnownSubType(typeof(NameWidget), "NAME")]

    [JsonSubtypes.KnownSubType(typeof(EmailWidget), "EMAIL")]

    public abstract class Widget

    {

        [JsonProperty("order", Required = Required.Always)]

        public int Order { get; set; }

​

        [JsonProperty("widget_type", Required = Required.Always)]

        public string WidgetType { get; set; }

    }

​

    public class HeaderWidget : Widget

    {

        public const string WIDGET_TYPE = "HEADER";

​

        public HeaderWidget()

        {

            WidgetType = WIDGET_TYPE;

        }

​

        [JsonProperty("text", Required = Required.Always)]

        public string Text { get; set; }

    }

​

    public class NameWidget : Widget

    {

        public const string WIDGET_TYPE = "NAME";

​

        public NameWidget()

        {

            WidgetType = WIDGET_TYPE;

        }

​

        [JsonProperty("label", Required = Required.Always)]

        public Label Label { get; set; }

​

        [JsonProperty("placeholder_last_name", Required = Required.Always)]

        public string PlaceholderLastName { get; set; }

​

        [JsonProperty("placeholder_first_name", Required = Required.Always)]

        public string PlaceholderFirstName { get; set; }

    }

​

    public class EmailWidget : Widget

    {

        public const string WIDGET_TYPE = "EMAIL";

​

        public EmailWidget()

        {

            WidgetType = WIDGET_TYPE;

        }

​

        [JsonProperty("label")] public Label Label { get; set; }

​

        [JsonProperty("required")] public bool EmailWidgetRequired { get; set; }

    }

​

    public class Label

    {

        [JsonProperty("text", Required = Required.Always)]

        public string Text { get; set; }

​

        [JsonProperty("hint", Required = Required.Always)]

        public string Hint { get; set; }

    }

}