using System;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        POCO pocoObj = new POCO();

        pocoObj.Val1 = "Val1";

        pocoObj.MaskVal2 = "MaskVal2";

        pocoObj.Sub = new POCO_Sub{

            SubVal1 = "SubVal1",

            SubMaskVal2 = "submaskval2",

            SubMaskVal3 = 100

        };

        POCO pocoSan = new POCO();

        pocoObj.Val1 = "Val1";

        pocoObj.MaskVal2 = "xxxxxxxx";

        pocoObj.Sub = new POCO_Sub{

            SubVal1 = "SubVal1",

            SubMaskVal2 = "xxxxxxxxxxx",

            SubMaskVal3 = 111

        };

        string payload = JsonConvert.SerializeObject(pocoObj);

        Console.WriteLine(payload);

    string santizedPayload = MaskFullPayload(payload);

                Console.WriteLine("===Masked===");

                Console.WriteLine(santizedPayload);

                string expectedpayload = JsonConvert.SerializeObject(pocoSan);

        var expectedVal = "{\"Val1\":\"Val1\",\"MaskVal2\":\"xxxxxxxx\",\"Sub\":{\"SubVal1\":\"SubVal1\",\"SubMaskVal2\":\"xxxxxxxxxxx\",\"SubMaskVal3\":111}}";

                        Console.WriteLine(expectedpayload);

        Console.WriteLine(santizedPayload == expectedVal);

​

    }

    public static string MaskFullPayload(string payload){

        List<string> keys = "MaskVal2,SubMaskVal2,SubMaskVal3";

        // masking process

        return payload;

    }

}

​

public class POCO{

    public string Val1{get;set;}

    public string MaskVal2{get;set;}

    public POCO_Sub Sub {get;set;}

}

​

public class POCO_Sub{

    public string SubVal1{get;set;}

    public string SubMaskVal2{get;set;}

    public int SubMaskVal3{get;set;}

}

​

​