namespace Zcbot.WindowsNode;

internal sealed class NodeConnectionLoop : INodeConnection
{
    private readonly JobCoordinator coordinator;
    private readonly NodeSession session;

    internal NodeConnectionLoop(
        NodeConfig config,
        NodePaths paths,
        Action<NodeStatus>? statusChanged = null)
    {
        coordinator = new JobCoordinator(config, paths);
        session = new NodeSession(
            config,
            coordinator.RuntimePayload,
            coordinator.ReportRecoverableJobsAsync,
            coordinator.ResumeDeferredUploadsAsync,
            coordinator.HandleMessageAsync,
            (state, message) => statusChanged?.Invoke(NodeStatus.Create(state, message)));
    }

    public async Task RunAsync(CancellationToken cancellationToken)
    {
        try
        {
            await session.RunAsync(cancellationToken);
        }
        finally
        {
            try
            {
                await coordinator.WaitForIdleAsync();
            }
            finally
            {
                coordinator.Dispose();
            }
        }
    }

    public void CancelActiveJobsForExit() => coordinator.CancelActiveJobsForExit();
}