package services

import (
	"nearle/models"
	"nearle/repositories"
)

type CatalogueService interface {
	GetBrands() ([]models.CatalogueBrand, error)
	GetCategories(brand string) ([]string, error)
	GetProducts(brand, category, keyword string, pageno, pagesize int) ([]models.CatalogueProduct, int64, error)
	GetProductBySKU(brand, sku string) (*models.CatalogueProduct, error)
	GetProductByID(brand string, id int64) (*models.CatalogueProduct, error)
	GetProductByImageID(brand, imageID string) (*models.CatalogueProduct, error)
}

type catalogueService struct {
	repo repositories.CatalogueRepository
}

func NewCatalogueService(repo repositories.CatalogueRepository) CatalogueService {
	return &catalogueService{repo: repo}
}

func (s *catalogueService) GetBrands() ([]models.CatalogueBrand, error) {
	return s.repo.GetBrands()
}

func (s *catalogueService) GetCategories(brand string) ([]string, error) {
	return s.repo.GetCategories(brand)
}

func (s *catalogueService) GetProducts(brand, category, keyword string, pageno, pagesize int) ([]models.CatalogueProduct, int64, error) {
	return s.repo.GetProducts(brand, category, keyword, pageno, pagesize)
}

func (s *catalogueService) GetProductBySKU(brand, sku string) (*models.CatalogueProduct, error) {
	return s.repo.GetProductBySKU(brand, sku)
}

// GetProductByImageID is the join the ingest manifest needs: the pipeline
// reports what it wrote as image_id values, and importing into a shop needs
// the row id.
func (s *catalogueService) GetProductByImageID(brand, imageID string) (*models.CatalogueProduct, error) {
	return s.repo.GetProductByImageID(brand, imageID)
}

func (s *catalogueService) GetProductByID(brand string, id int64) (*models.CatalogueProduct, error) {
	return s.repo.GetProductByID(brand, id)
}