using System;
using System.Collections;
using log4net;
using Spring.Validation;

namespace Sleis.Validation.Spring
{
    public class NullableDateTimeValidator : RequiredValidator
    {
        public string Provider { get; set; }
        public string MessageId { get; set; }

        internal static ILog Log;


        public NullableDateTimeValidator()
        {
            Log = LogManager.GetLogger(this.GetType());            
        }
        

        public override bool Validate(object validationContext, IDictionary contextParams, IValidationErrors errors)
        {
            Log.DebugFormat("Validate({0},{1},{2})", validationContext, contextParams, errors);

            bool result = true;
            IValidationContextProvider contextProvider = validationContext as IValidationContextProvider;
            if (EvaluateWhen(validationContext, contextParams))
            {
                DateTime? nullableDateTime = base.EvaluateTest(validationContext, contextParams) as DateTime?;
                if (!nullableDateTime.HasValue || nullableDateTime.Value == DateTime.MinValue)
                {
                    errors.AddError(Provider, new ErrorMessage(MessageId, contextProvider.ValidationContxt));
                  //  errors.AddError(Provider, new ErrorMessage(MessageId, contextProvider.ValidationContxt));
                    result = false;
                }
            }

            return result;
       
        }

         
    }
}