namespace YY.Admin.Services.Service.Auth
{
    public interface ISysAuthService
    {
        Task<LoginOutput> LoginAsync(LoginInput request);
        void LogoutAsync();
        Task<bool> IsAuthenticatedAsync();
        bool ValidateToken(string accessToken);
        Task RefreshToken(string? accessToken);
        SysUser? CurrentUser { get; }
        event EventHandler<SysUser?> UserChanged;

        Task UpdateUserLoginInfoAsync(SysUser sysUser);

        /// <summary>
        /// 使用缓存的 Jeecg Token 做用户增量同步（定时/WebSocket 调用，断网恢复后自动补拉）
        /// </summary>
        Task<bool> TryBackgroundSyncJeecgUsersAsync(CancellationToken cancellationToken = default);

        /// <summary>
        /// 登录页一键同步 Jeecg 用户到本地 SQLite（依赖 SCADA 免登录 queryUser，无需先登录）
        /// </summary>
        Task<(bool Success, string Message)> SyncJeecgUsersToLocalFromLoginScreenAsync(CancellationToken cancellationToken = default);
    }
}