using System.ComponentModel;
using System.Windows;
using SpdUp.ViewModels;
using SpdUp.Views;

namespace SpdUp;

/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
    private readonly MainViewModel _vm;
    private WidgetWindow? _widgetWindow;

    public MainWindow()
    {
        InitializeComponent();
        _vm = new MainViewModel();
        DataContext = _vm;

        _vm.PropertyChanged += OnVmPropertyChanged;
        StateChanged += MainWindow_StateChanged;

        if (_vm.IsWidgetVisible)
            ShowWidget();
    }

    // ── Custom title-bar handlers ─────────────────────────────
    private void Minimize_Click(object sender, RoutedEventArgs e)
        => WindowState = WindowState.Minimized;

    private void MaximizeRestore_Click(object sender, RoutedEventArgs e)
        => WindowState = WindowState == WindowState.Maximized
            ? WindowState.Normal
            : WindowState.Maximized;

    private void Close_Click(object sender, RoutedEventArgs e)
        => Close();

    private void MainWindow_StateChanged(object? sender, System.EventArgs e)
    {
        // Update the maximize/restore glyph
        if (MaxRestoreBtn is not null)
            MaxRestoreBtn.Content = WindowState == WindowState.Maximized ? "❐" : "☐";
    }

    private void OnVmPropertyChanged(object? sender, PropertyChangedEventArgs e)
    {
        if (e.PropertyName == nameof(MainViewModel.IsWidgetVisible))
        {
            if (_vm.IsWidgetVisible)
                ShowWidget();
            else
                HideWidget();
        }
    }

    private void ShowWidget()
    {
        if (_widgetWindow is null || !_widgetWindow.IsLoaded)
        {
            _widgetWindow = new WidgetWindow(_vm);
            _widgetWindow.Closed += (_, _) => _vm.IsWidgetVisible = false;
            _widgetWindow.Show();
        }
    }

    private void HideWidget()
    {
        _widgetWindow?.Close();
        _widgetWindow = null;
    }

    private void Window_Closing(object sender, CancelEventArgs e)
    {
        HideWidget();
        _vm.SaveSettings();
        _vm.Dispose();
    }
}