using System;

using JsonLogic.Net;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

​

public static class JsonExtensions

{

    public static bool IsNullOrEmpty(this JToken token)

    {

        return (token == null) || (token.Type == JTokenType.Array && !token.HasValues) || (token.Type == JTokenType.Object && !token.HasValues) || (token.Type == JTokenType.String && token.ToString() == String.Empty) || (token.Type == JTokenType.Null);

    }

}

​

public class Program

{

    public static string conditionJSON = "{\"text\":{\"if\":[{\"===\":[{\"var\":\"Features.FramedShelf\"},{\"var\":\"Features.FramedSeat\"},true]},\"How many framed shelves are there?\",{\"===\":[{\"var\":\"Features.FramedShelf\"},true]},\"How many framed shelves are there?\",{\"===\":[{\"var\":\"Features.FramedSeat\"},true]},\"How many framed seats are there?\"]}}";

    //public static string conditionJSON = "{\"text\": \"Hello there.\"}";

    //public static string conditionJSON = "{\"text\": \"\"}";

    //public static string conditionJSON = "{\"text\": null}";

    //public static string conditionJSON = "{}";

    public class BathUnit

    {

        public Features Features { get; set; }

    }

​

    public class Features

    {

        public bool FramedSeat { get; set; }

​

        public bool FramedShelf { get; set; }

    }

​

    public class Model

    {

        public JObject DataSource { get; set; }

​

        public BathUnit BathUnit { get; set; }

​

        private readonly JsonLogicEvaluator _evaluator = new JsonLogicEvaluator(EvaluateOperators.Default);

        public string Text

        {

            get

            {

                var result = DataSource["text"];

                if (result.IsNullOrEmpty())

                {

                    return "";

                }

​

                return _evaluator.Apply(result, JsonConvert.SerializeObject(BathUnit)).ToString();

            }

        }

    }

​

    public static void Main()

    {

        var model = new Model{DataSource = JObject.Parse(conditionJSON), BathUnit = new BathUnit{Features = new Features{FramedSeat = true, FramedShelf = false}}};

        Console.WriteLine(model.Text);

    }

}