package utils

import (
	"errors"
	"gitea.zjmud.xyz/phyer/rbac/config"
	"github.com/golang-jwt/jwt/v5"
	"time"
)

func GenerateJWT(userID string) (string, error) {
	claims := jwt.MapClaims{
		"user_id": userID,
		"exp":     time.Now().Add(time.Hour * 24).Unix(),
	}
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	return token.SignedString([]byte(config.AppConfig.JWTSecret))
}

func ParseJWT(tokenString string) (jwt.MapClaims, error) {
	token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
		return []byte(config.AppConfig.JWTSecret), nil
	})
	if err != nil {
		return nil, err
	}
	if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
		return claims, nil
	}
	return nil, errors.New("invalid token")
}