using TeamsISO.Engine.Controller;
using TeamsISO.Engine.Domain;

namespace TeamsISO.App.ViewModels;

/// <summary>
/// Bindings for the global settings panel: framerate, resolution, aspect, audio.
/// </summary>
public sealed class GlobalSettingsViewModel : ObservableObject
{
    private readonly IIsoController _controller;
    private TargetFramerate _framerate;
    private TargetResolution _resolution;
    private AspectMode _aspect;
    private AudioMode _audio;

    public GlobalSettingsViewModel(IIsoController controller)
    {
        _controller = controller;
        var current = controller.GlobalSettings;
        _framerate = current.Framerate;
        _resolution = current.Resolution;
        _aspect = current.Aspect;
        _audio = current.Audio;
        ApplyCommand = new AsyncRelayCommand(ApplyAsync);
    }

    public IEnumerable<TargetFramerate> AvailableFramerates => Enum.GetValues<TargetFramerate>();
    public IEnumerable<TargetResolution> AvailableResolutions => Enum.GetValues<TargetResolution>();
    public IEnumerable<AspectMode> AvailableAspectModes => Enum.GetValues<AspectMode>();
    public IEnumerable<AudioMode> AvailableAudioModes => Enum.GetValues<AudioMode>();

    public TargetFramerate Framerate { get => _framerate; set => SetField(ref _framerate, value); }
    public TargetResolution Resolution { get => _resolution; set => SetField(ref _resolution, value); }
    public AspectMode Aspect { get => _aspect; set => SetField(ref _aspect, value); }
    public AudioMode Audio { get => _audio; set => SetField(ref _audio, value); }

    public AsyncRelayCommand ApplyCommand { get; }

    private Task ApplyAsync()
    {
        var settings = new FrameProcessingSettings(_framerate, _resolution, _aspect, _audio);
        return _controller.SetGlobalSettingsAsync(settings, CancellationToken.None);
    }
}