using System.ComponentModel.DataAnnotations;
using Microsoft.AspNetCore.Mvc.Rendering;
using Sieve.Attributes;

namespace Events.MVC.Models.People;

public class PersonViewModel : IValidatableObject
{
    [Sieve(CanSort = true)]
    public int Id { get; set; }

    [Display(Name = "First name")]
    [StringLength(100)]
    public string? FirstName { get; set; }

    [Display(Name = "Last name")]
    [StringLength(100)]
    public string? LastName { get; set; }

    [Display(Name = "First name (transcription)")]
    [Required]
    [StringLength(100)]
    [Sieve(CanSort = true)]
    public string FirstNameTranscription { get; set; } = string.Empty;

    [Display(Name = "Last name (transcription)")]
    [Required]
    [StringLength(100)]
    [Sieve(CanSort = true)]
    public string LastNameTranscription { get; set; } = string.Empty;

    [Display(Name = "Address")]
    [StringLength(200)]
    public string? AddressLine { get; set; }

    [Display(Name = "Postal code")]
    [StringLength(20)]
    public string? PostalCode { get; set; }

    [Display(Name = "City")]
    [StringLength(100)]
    public string? City { get; set; }

    [Display(Name = "Address country")]
    [StringLength(100)]
    public string? AddressCountry { get; set; }

    [Display(Name = "E-mail")]
    [EmailAddress]
    [StringLength(255)]
    [Sieve(CanSort = true)]
    public string? Email { get; set; }

    [Display(Name = "Phone")]
    [StringLength(50)]
    public string? ContactPhone { get; set; }

    [Display(Name = "Birth date")]
    [Required]
    [Sieve(CanSort = true)]
    public DateOnly? BirthDate { get; set; }

    [Display(Name = "Document number")]
    [Required]
    [StringLength(50)]
    public string DocumentNumber { get; set; } = string.Empty;

    [Display(Name = "Country")]
    [Required]
    [StringLength(3)]
    [Sieve(CanFilter = true)]
    public string CountryCode { get; set; } = string.Empty;

    [Display(Name = "Full name")]
    public string FullName { get; set; } = string.Empty;

    [Display(Name = "Full name (transcription)")]
    [Sieve(CanFilter = true)]
    public string FullNameTranscription { get; set; } = string.Empty;

    [Display(Name = "Country")]
    [Sieve(CanSort = true)]
    public string CountryName { get; set; } = string.Empty;

    [Display(Name = "Registrations")]
    [Sieve(CanSort = true)]
    public int RegistrationsCount { get; set; }

    public List<SelectListItem> CountryOptions { get; set; } = [];

  public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
  {
    if (string.IsNullOrWhiteSpace(Email) && string.IsNullOrWhiteSpace(ContactPhone))
    {
      yield return new ValidationResult(
        Constants.Messages.EmailOrContactPhoneRequired,
        new[] { nameof(Email), nameof(ContactPhone) });
    }
  }
}