using PowerControl.Helpers;
using PowerControl.Helpers.AMD;

namespace PowerControl.Options
{
    public static class Resolution
    {
        public static Menu.MenuItemWithOptions Instance = new Menu.MenuItemWithOptions()
        {
            Name = "Resolution",
            PersistentKey = "Resolution",
            ApplyDelay = 1000,
            ResetValue = () =>
            {
                if (!GPUScaling.SafeResolutionChange && !Settings.Default.EnableExperimentalFeatures)
                    return null;
                return DisplayResolutionController.GetAllResolutions().Last().ToString();
            },
            OptionsValues = delegate ()
            {
                var resolutions = DisplayResolutionController.GetAllResolutions().ToList();

                var currentResolution = DisplayResolutionController.GetResolution();
                if (currentResolution is not null && !resolutions.Contains(currentResolution.Value))
                {
                    resolutions.Add(currentResolution.Value);
                    resolutions.Sort();
                }

                if (resolutions.Count() > 1)
                    return resolutions.Select(item => item.ToString()).ToArray();

                return null;
            },
            CurrentValue = delegate ()
            {
                if (!GPUScaling.SafeResolutionChange && !Settings.Default.EnableExperimentalFeatures)
                    return null;
                return DisplayResolutionController.GetResolution().ToString();
            },
            ApplyValue = (selected) =>
            {
                var selectedResolution = new DisplayResolutionController.DisplayResolution(selected);

#if USE_ADL2
                if (ExternalHelpers.DisplayConfig.IsInternalConnected == true)
                {
                    ModeTiming.ReplaceTiming(new Helpers.AMD.ADLDisplayModeX2()
                    {
                        PelsWidth = selectedResolution.Width,
                        PelsHeight = selectedResolution.Height,
                        RefreshRate = DisplayResolutionController.GetRefreshRate(),
                        TimingStandard = Helpers.AMD.ADL.ADL_DL_MODETIMING_STANDARD_CVT,
                    });
                }
#endif

                DisplayResolutionController.SetResolution(selectedResolution);

                return DisplayResolutionController.GetResolution().ToString();
            },
            Impacts =
            {
                RefreshRate.Instance,
                FPSLimit.Instance
            }
        };
    }
}