package miniauth

import (
	"regexp"

	"git.keks.cloud/kekskurse/miniauth/pkg/userstore"
	"git.keks.cloud/kekskurse/miniauth/pkg/utils"
	"github.com/rs/zerolog"
)

type Miniauth struct {
	store userstore.Store
	log   zerolog.Logger
}

func NewMiniauth(us userstore.Store) Miniauth {
	m := Miniauth{}
	m.store = us
	return m
}

func (m Miniauth) RegisterUser(username string, mail string, password string) error {
	log := m.log.With().Str("func", "RegisterUser").Str("username", username).Str("mail", mail).Logger()
	err := m.checkUsernameForRegistration(username)
	if err != nil {
		return utils.WrapError(ErrUserHasInvalideChars, err, log)
	}

	return nil
}

func (m Miniauth) checkUsernameForRegistration(username string) error {
	reg := regexp.MustCompile("^[a-z0-9]{4,25}$")
	if !reg.MatchString(username) {
		return ErrUserHasInvalideChars
	}
	return nil
}