package jwt

import "golang.org/x/net/context"

type userIdKey struct{}
type authKey struct{}
type needAuthKey struct{}

func SetUserContext(ctx context.Context, user *UserInfo) context.Context {
	return context.WithValue(ctx, userIdKey{}, user)
}
func FromUserContext(ctx context.Context) (user *UserInfo, ok bool) {
	user, ok = ctx.Value(userIdKey{}).(*UserInfo)
	return
}

func SetAuthKeyContext(ctx context.Context, key string) context.Context {
	return context.WithValue(ctx, authKey{}, key)
}
func FromAuthKeyContext(ctx context.Context) string {
	v := ctx.Value(authKey{})
	if v == nil {
		return ""
	}
	return v.(string)
}

func SetNeedAuthContext(ctx context.Context, auth bool) context.Context {
	return context.WithValue(ctx, needAuthKey{}, auth)
}
func FromNeedAuthContext(ctx context.Context) bool {
	v := ctx.Value(needAuthKey{})
	if v == nil {
		return false
	}
	return v.(bool)
}