petwash/PetWashControl/Views/AdminLoginWindow.xaml.cs

using PetWashControl.Services;
using System.Windows;
using System.Windows.Input;

namespace PetWashControl.Views;

public partial class AdminLoginWindow : Window
{
    private readonly AdminAccessService _adminAccessService;

    public bool IsAuthenticated { get; private set; }

    public AdminLoginWindow(AdminAccessService adminAccessService)
    {
        _adminAccessService = adminAccessService;
        InitializeComponent();
        Loaded += (_, _) =>
        {
            UsernameTextBox.Focus();
            ShowMessage(_adminAccessService.GetCurrentLockoutMessage());
        };
    }

    private void LoginButton_Click(object sender, RoutedEventArgs e)
    {
        var result = _adminAccessService.TryAuthenticate(UsernameTextBox.Text, PasswordInput.Password);
        if (result.IsSuccess)
        {
            IsAuthenticated = true;
            DialogResult = true;
            Close();
            return;
        }

        IsAuthenticated = false;
        ShowMessage(result.Message);
        PasswordInput.Clear();
        PasswordInput.Focus();
    }

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

    private void PasswordInput_KeyDown(object sender, KeyEventArgs e)
    {
        if (e.Key == Key.Enter)
        {
            LoginButton_Click(sender, new RoutedEventArgs());
        }
    }

    private void ShowMessage(string? message)
    {
        if (string.IsNullOrWhiteSpace(message))
        {
            ErrorContainer.Visibility = Visibility.Collapsed;
            ErrorTextBlock.Visibility = Visibility.Collapsed;
            ErrorTextBlock.Text = string.Empty;
            return;
        }

        ErrorContainer.Visibility = Visibility.Visible;
        ErrorTextBlock.Visibility = Visibility.Visible;
        ErrorTextBlock.Text = message;
    }
}