package merch

import (
	"context"
	"merch-api/pkg/utils"
)

const serviceLogHeader string = "[Service]"

type service struct {
	repo  Repository
	utils utils.Utils
}

func newService(repo Repository, u utils.Utils) *service {
	return &service{
		repo:  repo,
		utils: u,
	}
}

// getOriginsMaps
// first return name:id
// second id:name
func (s *service) getOriginsMaps(ctx context.Context) (map[string]int64, map[int64]string, error) {
	origins, err := s.repo.getOrigins(ctx)
	if err != nil {
		logErr(serviceLogHeader, err)
		return nil, nil, err
	}

	namesMap := make(map[string]int64, len(origins))
	idsMap := make(map[int64]string, len(origins))

	for _, origin := range origins {
		namesMap[origin.Name] = origin.Id
		idsMap[origin.Id] = origin.Name
	}

	return namesMap, idsMap, nil
}

func (s *service) getMerchUuidMap(ctx context.Context, uuids []string) (map[string]int64, error) {
	return s.repo.getMerchUuidMap(ctx, uuids)
}