using Core.Abstractions.Models;
using Core.DomainObjects;
using Core.Enumerations;
using Extensions;
using System.ComponentModel.DataAnnotations;
using WeatherForecast.Models.Requests.L10n;

namespace WeatherForecast.Models {

  /// <summary>
  /// 
  /// </summary>
  public class ImageRequestModel : RequestModelBase<MediaAttachment> {

    /// <summary>
    /// 
    /// </summary>
    public List<ImageL10nModel>? L10n { get; set; } 

    /// <summary>
    /// 
    /// </summary>
    public string? Src { get; set; }

    /// <summary>
    /// 
    /// </summary>
    public string? Alt { get; set; }

    /// <summary>
    /// 
    /// </summary>
    /// <returns></returns>
    /// <exception cref="NotImplementedException"></exception>
    public override MediaAttachment ToDomainObject() {
      throw new NotImplementedException();
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="validationContext"></param>
    /// <returns></returns>
    /// <exception cref="NotImplementedException"></exception>
    public override IEnumerable<ValidationResult> Validate(ValidationContext validationContext) {
      if (L10n.IsNullOrEmpty())
        yield return new ValidationResult($"{nameof(L10n)} ${Errors.NullOrEmpty}");

      if (string.IsNullOrWhiteSpace(Src))
        yield return new ValidationResult($"{nameof(Src)} ${Errors.NullOrWhiteSpace}");

      if (string.IsNullOrWhiteSpace(Alt))
        yield return new ValidationResult($"{nameof(Alt)} ${Errors.NullOrWhiteSpace}");
    }
  }
}