using System;

using System.Collections.Generic;

    public enum UserDeviceType

{

    Desktop,

    Mobile,

    Tablet,

    Bot,

    Other

}               

public class Program

{

    internal static  bool ValidateCampaign => false;

​

internal static List<int> SupportedCampaignList => new List<int>

{

    219,453

};

 internal static bool ValidateDeviceType => true;

​

 internal static List<UserDeviceType> SupportedDeviceType => new List<UserDeviceType>

 {

     UserDeviceType.Desktop,

     UserDeviceType.Mobile

 };

    public static void Main()

    {

        //Console.WriteLine(IsSupportedByCampaign(null));

        //Console.WriteLine(IsSupportedByCampaign(219));

        //Console.WriteLine(IsSupportedByCampaign(450));

        Console.WriteLine(IsSupportedByDeviceType(UserDeviceType.Desktop));

        Console.WriteLine(IsSupportedByDeviceType(UserDeviceType.Tablet));

    }

     public static bool IsSupportedByDeviceType(UserDeviceType deviceType)

 {

     return !ValidateDeviceType || SupportedDeviceType.Contains(deviceType);

 }

     public static bool IsSupportedByCampaign(int? campaignId)

     {

         if (ValidateCampaign && campaignId != null)

         {

             return SupportedCampaignList.Exists(name => name.Equals(campaignId));

         }

​

         return true;

     }

}

​