package adminauth

import "errors"

var (
	ErrDependencyUnavailable = errors.New("dependency unavailable")
	ErrInvalidCredential     = errors.New("invalid credential")
	ErrCaptchaInvalid        = errors.New("captcha invalid")
	ErrAdminDisabled         = errors.New("admin disabled")
)

type Service struct {
	repo *Repository
}

func NewService(repo *Repository) *Service {
	return &Service{repo: repo}
}

func (s *Service) Captcha() (*CaptchaDTO, error) {
	if s.repo == nil {
		return nil, ErrDependencyUnavailable
	}
	return s.repo.Captcha()
}

func (s *Service) Login(username string, password string, captchaID string, captchaCode string) (LoginResult, error) {
	if s.repo == nil {
		return LoginResult{}, ErrDependencyUnavailable
	}
	if username == "" || password == "" || captchaID == "" || captchaCode == "" {
		return LoginResult{}, ErrInvalidCredential
	}
	return s.repo.Login(username, password, captchaID, captchaCode)
}

func (s *Service) Me(adminID uint64) (*AdminDTO, error) {
	if s.repo == nil {
		return nil, ErrDependencyUnavailable
	}
	return s.repo.FindByID(adminID)
}