// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.  
 
#nullable disable
 
using System.Windows;
using System.Windows.Input;
using Microsoft.CodeAnalysis.PullMemberUp;
using Microsoft.VisualStudio.LanguageServices.Implementation.CommonControls;
using Microsoft.VisualStudio.LanguageServices.Implementation.PullMemberUp.WarningDialog;
using Microsoft.VisualStudio.PlatformUI;
 
namespace Microsoft.VisualStudio.LanguageServices.Implementation.PullMemberUp.MainDialog;
 
/// <summary>
/// Interaction logic for PullMemberUpDialog.xaml
/// </summary>
internal partial class PullMemberUpDialog : DialogWindow
{
    public string OK => ServicesVSResources.OK;
    public string Cancel => ServicesVSResources.Cancel;
    public string PullMembersUpTitle => ServicesVSResources.Pull_Members_Up;
    public string SelectMembers => ServicesVSResources.Select_members_colon;
    public string SelectDestination => ServicesVSResources.Select_destination_colon;
    public string Description => ServicesVSResources.Select_destination_and_members_to_pull_up;
 
    public PullMemberUpDialogViewModel ViewModel { get; }
 
    public MemberSelection MemberSelectionControl { get; }
 
    public PullMemberUpDialog(PullMemberUpDialogViewModel pullMemberUpViewModel)
    {
        ViewModel = pullMemberUpViewModel;
        DataContext = pullMemberUpViewModel;
 
        MemberSelectionControl = new MemberSelection(ViewModel.MemberSelectionViewModel);
 
        // Set focus to first tab control when the window is loaded
        Loaded += (s, e) => MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
 
        InitializeComponent();
    }
 
    private void OKButton_Click(object sender, RoutedEventArgs e)
    {
        var options = ViewModel.CreatePullMemberUpOptions();
        if (options.PullUpOperationNeedsToDoExtraChanges)
        {
            if (ShowWarningDialog(options))
            {
                DialogResult = true;
            }
        }
        else
        {
            DialogResult = true;
        }
    }
 
    private static bool ShowWarningDialog(PullMembersUpOptions result)
    {
        var warningViewModel = new PullMemberUpWarningViewModel(result);
        var warningDialog = new PullMemberUpWarningDialog(warningViewModel);
        return warningDialog.ShowModal().GetValueOrDefault();
    }
 
    private void CancelButton_Click(object sender, RoutedEventArgs e) => DialogResult = false;
 
    private void Destination_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
    {
        if (DestinationTreeView.SelectedItem is BaseTypeTreeNodeViewModel memberGraphNode)
        {
            ViewModel.SelectedDestination = memberGraphNode;
        }
    }
}