//  ---------------------------------------------------------------------------------
//  Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//  The MIT License (MIT)
// 
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//  of this software and associated documentation files (the "Software"), to deal
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using Windows.Win32;
using Windows.Win32.Foundation;
using Windows.Win32.System.WinRT.Graphics.Capture;
using Windows.Graphics.Capture;
using WinRT.Interop;

namespace Vision.WindowCapture.GraphicsCapture.Helpers;

public static class CaptureHelper
{
    static readonly Guid GraphicsCaptureItemGuid = Guid.Parse("79C3F95B-31F7-4EC2-A464-632EF5D30760");

    public static void SetWindow(this GraphicsCapturePicker picker, IntPtr hwnd)
    {
        InitializeWithWindow.Initialize(picker, hwnd);
    }

    public static GraphicsCaptureItem CreateItemForWindow(HWND hwnd)
    {
        GraphicsCaptureItem
            .As<IGraphicsCaptureItemInterop>()
            .CreateForWindow(hwnd, GraphicsCaptureItemGuid, out nint thisPtr);
        return GraphicsCaptureItem.FromAbi(thisPtr);
    }

    //public static GraphicsCaptureItem CreateItemForMonitor(IntPtr hmon)
    //{
    //    var factory = WindowsRuntimeMarshal.GetActivationFactory(typeof(GraphicsCaptureItem));
    //    var interop = (IGraphicsCaptureItemInterop)factory;
    //    var temp = typeof(GraphicsCaptureItem);         
    //    var itemPointer = interop.CreateForMonitor(hmon, GraphicsCaptureItemGuid);
    //    var item = Marshal.GetObjectForIUnknown(itemPointer) as GraphicsCaptureItem;
    //    Marshal.Release(itemPointer);

    //    return item;
    //}
}