using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Platform.Storage;
using JdeScoping.ConfigManager.Constants;
using JdeScoping.ConfigManager.ViewModels.Dialogs;
using MsBox.Avalonia;
using MsBox.Avalonia.Enums;

namespace JdeScoping.ConfigManager.Views.Dialogs;

/// <summary>
/// Dialog for unlocking an existing secure store.
/// </summary>
public partial class UnlockStoreDialog : Window
{
    /// <summary>
    /// Gets the view model for this dialog.
    /// </summary>
    public UnlockStoreDialogViewModel ViewModel => (UnlockStoreDialogViewModel)DataContext!;

    /// <summary>
    /// Design-time constructor. Required for XAML previewer.
    /// </summary>
    public UnlockStoreDialog() : this(string.Empty)
    {
    }

    /// <summary>
    /// Initializes a new instance of the <see cref="UnlockStoreDialog"/> class.
    /// </summary>
    /// <param name="storePath">The path to the store file to unlock.</param>
    public UnlockStoreDialog(string storePath)
    {
        InitializeComponent();
        DataContext = new UnlockStoreDialogViewModel(storePath);
        Loaded += UnlockStoreDialog_Loaded;
    }

    private void UnlockStoreDialog_Loaded(object? sender, RoutedEventArgs e)
    {
        ViewModel.OnShowOpenFileDialog += ShowOpenFileDialogAsync;
    }

    private async Task<string?> ShowOpenFileDialogAsync(string title, string fileTypeName, string pattern)
    {
        var files = await StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
        {
            Title = title,
            AllowMultiple = false,
            FileTypeFilter = new[]
            {
                new FilePickerFileType(fileTypeName) { Patterns = new[] { pattern } },
                new FilePickerFileType(SecureStoreFileExtensions.AllFilesTypeName) { Patterns = new[] { SecureStoreFileExtensions.AllFilesPattern } }
            }
        });

        return files.Count > 0 ? files[0].Path.LocalPath : null;
    }

    private async void UnlockButton_Click(object? sender, RoutedEventArgs e)
    {
        if (!ViewModel.IsValid)
        {
            var box = MessageBoxManager.GetMessageBoxStandard(
                SecureStoreStrings.ValidationErrorTitle,
                ViewModel.ValidationError ?? SecureStoreStrings.DefaultValidationError,
                ButtonEnum.Ok,
                MsBox.Avalonia.Enums.Icon.Warning);
            await box.ShowWindowDialogAsync(this);
            return;
        }

        Close(true);
    }

    private void CancelButton_Click(object? sender, RoutedEventArgs e)
    {
        Close(false);
    }
}