using System.ComponentModel.DataAnnotations;

namespace OnlyPrompt.Backend.ApiModels.Validators
{
	public class NoWhitespaceAttribute : ValidationAttribute
	{
		public override bool IsValid(object? value)
		{
			if (value is string strValue)
			{
				if (strValue.Any(c => char.IsWhiteSpace(c)))
					return false;

				return true;
			}

			return true; // If it's not a string, we consider it valid. Use [NoWhitespace] only on string properties.
		}

		protected override ValidationResult? IsValid(object? value, ValidationContext validationContext)
		{
			if(value is string strValue)
			{
				if(strValue.Any(c => char.IsWhiteSpace(c)))
					return new ValidationResult($"{validationContext.DisplayName} should not contain any whitespace characters.");

				return ValidationResult.Success;
			}

			return ValidationResult.Success; // If it's not a string, we consider it valid. Use [NoWhitespace] only on string properties.
		}
	}
	
}