Encelado/Encelado/src/Encelado.Bot/Ui/PromptWindow.xaml.cs

using System.Windows;

namespace Encelado.Bot.Ui;

/// <summary>
/// One line of typed input with a validator: the phrase that unlocks a live or an
/// automatic mode, or the written reason that lifts an equity stop. A checkbox would
/// not do for either — the point is that the operator writes the words.
/// </summary>
public partial class PromptWindow : Window
{
    private readonly Func<string, string?> _validate;

    public PromptWindow(string title, string body, string label, Func<string, string?> validate, string okText = "Conferma")
    {
        InitializeComponent();
        _validate = validate ?? (static _ => null);
        TitleText.Text = title;
        BodyText.Text = body;
        LabelText.Text = label;
        OkButton.Content = okText;
        Loaded += (_, _) => InputBox.Focus();
    }

    public string Value => InputBox.Text.Trim();

    private void OnOk(object sender, RoutedEventArgs e)
    {
        string? problem = _validate(Value);
        if (problem is not null)
        {
            ErrorText.Text = problem;
            ErrorText.Visibility = Visibility.Visible;
            return;
        }

        DialogResult = true;
    }

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

    /// <summary>The exact phrase the specification requires before anything live starts.</summary>
    public const string LivePhrase = "CONFERMO LIVE";
}