package serve

import (
	"fmt"
	"net/http"
	"time"

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

const jwtExpiresAt = time.Hour

type Claims struct {
	Token string `json:"token"`
	jwt.StandardClaims
}

var (
	jwtKey = []byte("my-secret")
)

func ValidateJwtCookie(r *http.Request) (*jwt.Token, error) {
	cookie, err := r.Cookie("Authorize")
	if err != nil {
		return nil, err
	}

	token, err := jwt.Parse(cookie.Value, func(token *jwt.Token) (interface{}, error) {
		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
		}
		return jwtKey, nil
	})

	return token, err
}