using System.ComponentModel.DataAnnotations;
using HackerNet.Domain;

namespace HackerNet.Application;
public class LinkService
{
  private readonly ILinkRepository _repository;
  private readonly IReadStore _readStore;

  public LinkService(ILinkRepository repository, IReadStore readStore)
  {
    _repository = repository;
    _readStore = readStore;
  }

  public Guid PublishLink(PublishLinkCommand cmd)
  {
    var link = new Link(cmd.Url, cmd.Description);

    _repository.Add(link);

    return link.Id;
  }

  public LinkHomePage[] GetPublishedLinks()
  {
    return _readStore.GetPublishedLinks();
  }
}

public interface IReadStore
{
  LinkHomePage[] GetPublishedLinks();
}

public class LinkHomePage
{
  public Guid Id { get; set; }
  public string Url { get; set; }
  public string Description { get; set; }
  public int CommentsCount { get; set; }
}

public class PublishLinkCommand
{
  [Required(ErrorMessage = "L'url est requise")]
  [Display(Name = "Url du site")]
  [Url]
  public string Url { get; set; }

  [Required(ErrorMessage = "La description est obligatoire")]
  public string Description { get; set; }
}