package services

import (
	"database/sql"
	"errors"
	"go-cook/api/models"
	"go-cook/api/repositories"
)

const (
	ErrPasswordNotLongEnough = "password needs to be 8 character or longer"
)

// This will handle operations that are user related, but one layer higher then the repository
type UserService struct {
	repo repositories.UserRepository
}

func NewUserService(conn *sql.DB) UserService {
	return UserService{
		repo: repositories.NewUserRepository(conn),
	}
}

func (us UserService) DoesUserExist(username string) error {
	_, err := us.repo.GetByName(username)
	if err != nil {
		return err
	}
	return nil
}

func (us UserService) CreateNewUser(name, password string) (models.UserModel, error) {
	us.repo.NewUser(name, password)
	return models.UserModel{}, nil
}

func (us UserService) CheckPasswordForRequirements(password string) error {
	if len(password) <= 8 {
		return errors.New(ErrPasswordNotLongEnough)
	}
	return nil
}