﻿// 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.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using Microsoft.VisualStudio.LanguageServices.Implementation.CommonControls;
using Microsoft.VisualStudio.PlatformUI;

namespace Microsoft.VisualStudio.LanguageServices.Implementation.ExtractInterface
{
    /// <summary>
    /// Interaction logic for ExtractInterfaceDialog.xaml
    /// </summary>
    internal partial class ExtractInterfaceDialog : DialogWindow
    {
        public ExtractInterfaceDialogViewModel ViewModel { get; }

        // Expose localized strings for binding
        public string ExtractInterfaceDialogTitle { get { return ServicesVSResources.Extract_Interface; } }
        public string NewInterfaceName { get { return ServicesVSResources.New_interface_name_colon; } }
        public string SelectPublicMembersToFormInterface { get { return ServicesVSResources.Select_public_members_to_form_interface; } }
        public string SelectAll { get { return ServicesVSResources.Select_All; } }
        public string DeselectAll { get { return ServicesVSResources.Deselect_All; } }
        public string OK { get { return ServicesVSResources.OK; } }
        public string Cancel { get { return ServicesVSResources.Cancel; } }

        public MemberSelection MemberSelectionControl { get; }

        // Use C# Extract Interface helpTopic for C# and VB.
        internal ExtractInterfaceDialog(ExtractInterfaceDialogViewModel viewModel)
            : base(helpTopic: "vs.csharp.refactoring.extractinterface")
        {
            ViewModel = viewModel;
            MemberSelectionControl = new MemberSelection(ViewModel.MemberSelectionViewModel);

            Loaded += (s, e) => MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));

            InitializeComponent();
            DataContext = viewModel;
        }

        private void OK_Click(object sender, RoutedEventArgs e)
        {
            if (ViewModel.TrySubmit())
            {
                DialogResult = true;
            }
        }

        private void Cancel_Click(object sender, RoutedEventArgs e)
            => DialogResult = false;

        internal TestAccessor GetTestAccessor()
            => new(this);

        internal readonly struct TestAccessor
        {
            private readonly ExtractInterfaceDialog _dialog;

            public TestAccessor(ExtractInterfaceDialog dialog)
                => _dialog = dialog;

            public Button OKButton => _dialog.OKButton;

            public Button CancelButton => _dialog.CancelButton;

            public Button SelectAllButton => _dialog.MemberSelectionControl.SelectAllButton;

            public Button DeselectAllButton => _dialog.MemberSelectionControl.DeselectAllButton;

            public RadioButton DestinationCurrentFileSelectionRadioButton => _dialog.DestinationControl.DestinationCurrentFileSelectionRadioButton;

            public RadioButton DestinationNewFileSelectionRadioButton => _dialog.DestinationControl.DestinationNewFileSelectionRadioButton;

            public TextBox FileNameTextBox => _dialog.DestinationControl.fileNameTextBox;

            public DataGrid Members => _dialog.MemberSelectionControl.MemberSelectionGrid;
        }
    }
}
