//
//  Preferences+Session.swift
//
//  Copyright 2026 Brendan Szymanski <hello@bscubed.dev>
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
//  SPDX-License-Identifier: GPL-3.0-or-later
//

import LuminateCore

extension Preferences {
    /// Whether a usable session token is stored.
    ///
    /// Reading this tracks the `.accessToken` slot, so any Portico `DependencyTracker` that
    /// evaluates it - including the one `SceneHost` wraps around `App.body` - re-runs when the
    /// token is written or cleared. An empty string counts as signed out, matching
    /// `JellyfinClient.isAuthenticated`.
    package var isAuthenticated: Bool { self[.accessToken]?.isEmpty == false }
}