package common

import (
	"errors"

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

const jwtSecret = "video-factory-jwt-secret-2024"

type JwtClaims struct {
	UserId  int64  `json:"user_id"`
	Role    string `json:"role"`
	AgentId int64  `json:"agent_id,omitempty"`
	jwt.RegisteredClaims
}

func GetJwtSecret() string {
	return jwtSecret
}

func ParseToken(tokenStr string) (*JwtClaims, error) {
	token, err := jwt.ParseWithClaims(tokenStr, &JwtClaims{}, func(token *jwt.Token) (interface{}, error) {
		return []byte(jwtSecret), nil
	})
	if err != nil {
		return nil, err
	}
	claims, ok := token.Claims.(*JwtClaims)
	if !ok || !token.Valid {
		return nil, errors.New("invalid token")
	}
	return claims, nil
}