ValidationResult.cs

using System;
 
namespace Waher.Security.TOTP
{
    public enum OtpValidationResult
    {
        Valid,
 
        Invalid,
 
        CounterInvalid,
 
        TemporaryBlock,
 
        PermanentBlock
    }
 
    public class ValidationResult
    {
        private readonly OtpValidationResult result;
        private readonly DateTime blockedUntil;
 
        public ValidationResult(bool Ok)
        {
            this.result = Ok ? OtpValidationResult.Valid : OtpValidationResult.Invalid;
            this.blockedUntil = DateTime.MinValue;
        }
 
        public ValidationResult(DateTime BlockedUntil)
        {
            this.result = BlockedUntil == DateTime.MaxValue ?
                OtpValidationResult.PermanentBlock :
                OtpValidationResult.TemporaryBlock;
            this.blockedUntil = BlockedUntil;
        }
 
        public ValidationResult()
        {
            this.result = OtpValidationResult.CounterInvalid;
            this.blockedUntil = DateTime.MinValue;
        }
 
        public OtpValidationResult Result => this.result;
    }
}