using Avalonia.Controls;

namespace DodoSSH.Client.App.Views;

/// <summary>What is on screen while the application composes itself.</summary>
/// <remarks>
/// The two methods below are the whole interface, and both are called by
/// <c>DodoSshApp.ComposeBehind</c> and by nothing else. See the control's own markup for why there is no
/// view model behind it.
/// </remarks>
internal sealed partial class SplashCard : UserControl
{
    public SplashCard() => InitializeComponent();

    /// <summary>Says what is happening, while it still is.</summary>
    internal void Say(string what) => Line.Text = what;

    /// <summary>
    /// Says why nothing is going to happen, and stops pretending otherwise.
    /// </summary>
    /// <remarks>
    /// The line is the whole message now that the progress bar has gone — see the markup for why it went.
    /// It used to have to stop the bar as well: a composition that threw leaves this window as the only one
    /// there is, with no main window to hand over to, so anything still claiming to be working would be
    /// doing it over a process that has stopped. One assignment says it instead, and there is nothing left
    /// on this card that could contradict it.
    /// </remarks>
    internal void CouldNotStart(string why) => Line.Text = why;
}