using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.UI.Input;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Controls.Primitives;
using Microsoft.UI.Xaml.Data;
using Microsoft.UI.Xaml.Input;
using Microsoft.UI.Xaml.Media;
using Microsoft.UI.Xaml.Navigation;
using Windows.Foundation;
using Windows.Foundation.Collections;
using WinWARP.Core.Services.Interfaces;
using WinWARP.Core.ViewModels;
using WinWARP.Ui.Helpers;
using WinWARP.Ui.Services;

// To learn more about WinUI, the WinUI project structure,
// and more about our project templates, see: http://aka.ms/winui-project-info.

namespace WinWARP.Ui;
/// <summary>
/// An empty window that can be used on its own or navigated to within a Frame.
/// </summary>
public sealed partial class MainWindow : Window
{
    public MainViewModel ViewModel { get; }
    private XamlRootTracker _xamlRootTracker;

    public MainWindow(MainViewModel viewModel, XamlRootTracker xamlRootTracker)
    {
        InitializeComponent();

        ViewModel = viewModel;
        _xamlRootTracker = xamlRootTracker;

        ExtendsContentIntoTitleBar = true;
        AppWindow.TitleBar.PreferredHeightOption = Microsoft.UI.Windowing.TitleBarHeightOption.Tall;
        SetTitleBar(TopAppBar);
        AppWindow.SetIcon("Assets/Square44x44Logo.targetsize-24_altform-unplated.png");
        
        AppWindow.Resize(new Windows.Graphics.SizeInt32(1024, 759));

        var navService = (NavigationService)App.Services.GetRequiredService<INavigationService>();
        navService.NavigatedToViewModel += NavService_NavigatedToViewModel;
        navService.RegisterFrame(RootFrame);

        navService.NavigateTo<HomeViewModel>();

        RootGrid.AddHandler(UIElement.PointerPressedEvent, new PointerEventHandler(Window_PointerPressed), true);
    }

    private void NavService_NavigatedToViewModel(object? sender, Type e)
    {
        var targetItem = RootNavigationView.MenuItems
            .Concat(RootNavigationView.FooterMenuItems)
            .OfType<NavigationViewItem>()
            .FirstOrDefault(item => item.Tag is Type itemVmType && itemVmType == e);

        if (targetItem != null)
        {
            RootNavigationView.SelectedItem = targetItem;
        }

        _xamlRootTracker.XamlRoot = RootFrame.XamlRoot;
    }

    private void TitleBar_BackRequested(TitleBar sender, object args)
    {
        if (RootFrame.CanGoBack)
        {
            RootFrame.GoBack();
        }
    }

    private void TitleBar_PaneToggleRequested(TitleBar sender, object args)
    {
        RootNavigationView.IsPaneOpen = !RootNavigationView.IsPaneOpen;
    }

    private void Window_PointerPressed(object sender, PointerRoutedEventArgs e)
    {
        var properties = e.GetCurrentPoint(sender as UIElement).Properties;

        // Check if mouse back button (XButton1) was pressed
        if (properties.PointerUpdateKind == PointerUpdateKind.XButton1Pressed)
        {
            e.Handled = true;

            if (RootFrame.CanGoBack)
            {
                RootFrame.GoBack();
            }
        }
    }
}