package authmiddleware

import (
	"log"
	"time"

	"git.sapphic.engineer/roleypoly/v4/types"
	"github.com/goccy/go-json"
	"github.com/gofiber/fiber/v3"
	"github.com/gofiber/fiber/v3/middleware/session"
)

var (
	SessionKey     uint8
	DefaultSession *Session = &Session{Permissions: PermAnonymous}
)

type Session struct {
	Permissions Permission
	User        *types.DiscordUser
	AccessToken string
	LastRefresh time.Time
}

func (s *Session) AsJSON() []byte {
	out, err := json.Marshal(s)
	if err != nil {
		log.Panicln("failed to marshal session json: ", err)
	}

	return out
}

func SessionFromJSON(input []byte) (*Session, error) {
	var s Session
	err := json.Unmarshal(input, &s)
	return &s, err
}

func SessionFrom(c fiber.Ctx) (s *Session) {
	sess := session.FromContext(c)
	sessionJSON := sess.Get(SessionKey).([]byte)
	s, err := SessionFromJSON(sessionJSON)
	if err != nil {
		log.Panicln("session failed to parse", err)
	}
	return s
}