using Avalonia.Input;

using CommunityToolkit.Mvvm.ComponentModel;

using GSS2.Core.Hardware;

namespace GSS2.Test;

public partial class MainWindowViewModel : ViewModelBase
{
    private readonly CameraService _cameraService;
    private readonly IlluminatorService _illuminatorService;
    private readonly LightsService _lightsService;
    private readonly ILogger<MainWindowViewModel> _logger;
    [ObservableProperty] private CameraViewModel _cameraViewModel;

    public MainWindowViewModel(
        CameraService cameraService,
        IlluminatorService illuminatorService,
        LightsService lightsService,
        ILogger<MainWindowViewModel> logger,
        CameraViewModel cameraViewModel
    )
    {
        _cameraService = cameraService;
        _illuminatorService = illuminatorService;
        _lightsService = lightsService;
        _logger = logger;
        CameraViewModel = cameraViewModel;
        _logger.LogInformation("Initialized");
    }

    public async Task<(LibCameraSharp.FrameBuffer, LibCameraSharp.StreamConfiguration)?> CaptureImage()
    {
        _logger.LogInformation("Capture image");
        _lightsService.CpuLoad(0.5, 1, System.Drawing.Color.Aqua);

        (LibCameraSharp.FrameBuffer, LibCameraSharp.StreamConfiguration)? result = null;
        try
        {
            _illuminatorService.SetIntensity(0.01, 0, 0);
            _illuminatorService.TurnOn();
            result = await _cameraService.CaptureViewFinderBuffer(CancellationToken.None);
            _lightsService.Flash(0.5, 2, System.Drawing.Color.Green);
        }
        catch (Exception e)
        {
            _logger.LogError(e, "Error while image capture");
            _lightsService.Flash(0.5, 2, System.Drawing.Color.Red);
        }
        finally
        {
            _illuminatorService.TurnOff();
        }

        var snowfallTimer = new System.Timers.Timer(3000);
        snowfallTimer.Elapsed += (_, _) =>
        {
            _lightsService.Snowfall(0.3, 1, System.Drawing.Color.Aqua);
            snowfallTimer.Dispose();
        };
        snowfallTimer.Start();

        return result;
    }
}