namespace VoiceCat.App.Notifications;

/// <summary>
/// Combines the sound pool and the speech announcer behind the user's <see cref="FeedbackSettings"/>.
/// MainForm calls <see cref="PlaySound"/> / <see cref="Speak"/> from inside its existing event
/// handlers (which already resolve nicknames and channel membership), so this type only owns the
/// "should I, and how" policy — not the event routing.
/// </summary>
public sealed class EventFeedback : IDisposable
{
    private readonly SoundPlayerPool _sounds = new();
    private readonly SpeechAnnouncer _speech = new();

    public FeedbackSettings Settings { get; set; }

    public EventFeedback(FeedbackSettings settings) => Settings = settings;

    /// <summary>True when speech is both enabled and actually available on this machine.</summary>
    public bool SpeechAvailable => _speech.Available;

    public void PlaySound(SoundEvent ev)
    {
        if (!Settings.Sounds || Settings.Volume <= 0f) return;
        // The two opt-in categories are gated by their own flags.
        if ((ev is SoundEvent.VaStart or SoundEvent.VaStop) && !Settings.SelfTalkSounds) return;
        if (ev is SoundEvent.Ptt && !Settings.PttSound) return;
        _sounds.Play(ev);
    }

    /// <summary>Announce <paramref name="text"/> when spoken feedback is enabled.</summary>
    public void Speak(string text)
    {
        if (!Settings.Speech) return;
        _speech.Speak(text);
    }

    public void Dispose()
    {
        _sounds.Dispose();
        _speech.Dispose();
    }
}