using OpSystemViewModel = WPFluent.Gallery.ViewModels.Pages.OpSystemViewModel;

namespace WPFluent.Gallery.Views.Pages;

public partial class OpSystemPage : INavigableView<OpSystemViewModel>
{
    private readonly INavigationService _navigationService;
    

    public OpSystemViewModel ViewModel { get; }

    public OpSystemPage(OpSystemViewModel viewModel, INavigationService navigationService)
    {
        ViewModel = viewModel;
        DataContext = this;
        _navigationService = navigationService;

        InitializeComponent();
        Loaded += HandleLoaded;
        Unloaded += HandleUnloaded;
    }

    private void HandleLoaded(object sender, RoutedEventArgs e)
    {
        INavigationView? navigationControl = _navigationService.GetNavigationControl();
        if (
            navigationControl?.BreadcrumbBar != null
            && navigationControl.BreadcrumbBar.Visibility != Visibility.Collapsed
        )
        {
            navigationControl.BreadcrumbBar.SetCurrentValue(VisibilityProperty, Visibility.Collapsed);
        }
    }

    private void HandleUnloaded(object sender, RoutedEventArgs e)
    {
        INavigationView? navigationControl = _navigationService.GetNavigationControl();
        if (
            navigationControl?.BreadcrumbBar != null
            && navigationControl.BreadcrumbBar.Visibility != Visibility.Visible
        )
        {
            navigationControl.BreadcrumbBar.SetCurrentValue(VisibilityProperty, Visibility.Visible);
        }

        
        
        Loaded -= HandleLoaded;
        Unloaded -= HandleUnloaded;
    }
}