package authService

import (
	"time"

	"github.com/golang-jwt/jwt/v4"
)

func createToken(sub, secret, expiry string, payload interface{}) (*string, error) {

	duration, err := time.ParseDuration(expiry)

	if err != nil {
		return nil, err
	}

	token := jwt.New(jwt.SigningMethodHS256)
	claims := token.Claims.(jwt.MapClaims)
	claims["sub"] = sub
	claims["exp"] = time.Now().Add(duration).Unix()
	claims["data"] = payload

	signedToken, err := token.SignedString([]byte(secret))
	if err != nil {
		return nil, err
	}

	return &signedToken, nil
}