package jwtauth

import (
	"encoding/base64"
	"os"

	"github.com/golang-jwt/jwt/v5"
)

func GenerateJwtToken(username string) (string, error) {
	var s string
	key, err := base64.URLEncoding.DecodeString(os.Getenv(getKeyVariableName()))
	if err != nil {
		return s, err
	}
	t := jwt.NewWithClaims(jwt.SigningMethodHS256,
		jwt.MapClaims{
			"iss": "PersonalLibraryManager",
			"sub": username,
		})
	return t.SignedString(key)
}