package auth

import (
	"fmt"

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

func ParseToken(tokenstring string, password string, payload jwt.Claims) error {

	_, err := jwt.ParseWithClaims(tokenstring, payload, func(t *jwt.Token) (interface{}, error) {
		// 验证令牌的签名方法
		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
			return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
		}
		return []byte(password), nil

	})
	if err != nil {
		return err
	}
	return nil
}

func SignToken(password string, payload jwt.Claims) (tokenstring string, err error) {
	return jwt.NewWithClaims(jwt.SigningMethodHS256, payload).SignedString([]byte(password))
}