using FieldLogger.ViewModels;

namespace FieldLogger.Views.Controls;

public partial class AppStatusBar : ContentView
{
    private IDispatcherTimer? _staleTimer;

    public AppStatusBar()
    {
        InitializeComponent();
    }

    protected override void OnHandlerChanged()
    {
        base.OnHandlerChanged();

        if (Handler is null)
        {
            _staleTimer?.Stop();
            _staleTimer = null;
            return;
        }

        if (_staleTimer is not null)
            return;

        _staleTimer = Dispatcher.CreateTimer();
        _staleTimer.Interval = TimeSpan.FromSeconds(1);
        _staleTimer.Tick += (_, _) => (BindingContext as AppStatusViewModel)?.Refresh();
        _staleTimer.Start();
        (BindingContext as AppStatusViewModel)?.Refresh();
    }

    protected override void OnBindingContextChanged()
    {
        base.OnBindingContextChanged();
        (BindingContext as AppStatusViewModel)?.Refresh();
    }
}