using Core.Abstractions;
using Core.Enumerations;
using DataProviders;
using DomainResults.Common;
using WeatherForecast.Models.Responses;

namespace WeatherForecast.Services {

  /// <summary>
  /// 
  /// </summary>
  public interface ICategoryItemsService {

    /// <summary>
    /// 
    /// </summary>
    /// <param name="siteId"></param>
    /// <param name="locale"></param>
    /// <returns></returns>
    (List<CategoryItemResponseModel>?, IDomainResult) Get(Guid siteId, string? locale);

    /// <summary>
    /// 
    /// </summary>
    /// <param name="siteId"></param>
    /// <returns></returns>
    IDomainResult Delete(Guid siteId);
  }

  /// <summary>
  /// 
  /// </summary>
  public class CategoryItemsService : ICategoryItemsService {

    private readonly ILogger<CategoryItemsService> _logger;
    private readonly ICategoryDataProvider _categoryDataProvider;

    /// <summary>
    /// 
    /// </summary>
    /// <param name="logger"></param>
    /// <param name="categoryDataProvider"></param>
    public CategoryItemsService(
      ILogger<CategoryItemsService> logger,
      ICategoryDataProvider categoryDataProvider
    ) {
      _logger = logger;
      _categoryDataProvider = categoryDataProvider;
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="siteId"></param>
    /// <param name="locale"></param>
    /// <returns></returns>
    public (List<CategoryItemResponseModel>?, IDomainResult) Get(Guid siteId, string? locale) {
      var (items, result) = _categoryDataProvider.GetAll(siteId);
      if (!result.IsSuccess || items == null)
        return (null, result);

      if (locale != null) {
        return IDomainResult.Success(items.Select(x => new CategoryItemResponseModel(x, Enumeration.FromDisplayName<Locales>(locale) ?? Locales.Us)).ToList());
      }

      return IDomainResult.Success(items.Select(x => new CategoryItemResponseModel(x)).ToList());
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="siteId"></param>
    /// <returns></returns>
    public IDomainResult Delete(Guid siteId) => _categoryDataProvider.DeleteAll(siteId);
  }
}