using DataProviders;
using DomainResults.Common;
using WeatherForecast.Models;
using WeatherForecast.Models.Responses;

namespace WeatherForecast.Services {

  public interface IShopItemsService {
    (GetShopItemsResponseModel?, IDomainResult) Get(Guid siteId, Guid? category, int currentPage, int itemsPerPage, string? searchText);
  }

  public class ShopItemsService : IShopItemsService {
    ILogger<ShopItemsService> _logger;
    IShopCatalogDataProvider _shopCatalogDataProvider;

    public ShopItemsService(
      ILogger<ShopItemsService> logger,
      IShopCatalogDataProvider shopCatalogDataprovider
    ) {
      _logger = logger;
      _shopCatalogDataProvider = shopCatalogDataprovider;
    }

    public (GetShopItemsResponseModel?, IDomainResult) Get(Guid siteId, Guid? category, int currentPage, int itemsPerPage, string? searchText) {
      var (items, result) = _shopCatalogDataProvider.GetAll(siteId, currentPage > 0 ? ((currentPage - 1) * itemsPerPage) : 0, itemsPerPage);

      if (!result.IsSuccess || items == null)
        return (null, result);

      return IDomainResult.Success(new GetShopItemsResponseModel(currentPage, 0, items.Select(x => new GetShopItemResponseModel(x)).ToList()));
    }
  }
}