/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 *
 * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <freerdp/config.h>

#include <winpr/crt.h>
#include <winpr/print.h>
#include <freerdp/log.h>

#include "win_rdp.h"

#include "win_wds.h"

/**
 * Windows Desktop Sharing API:
 * http://blogs.msdn.com/b/rds/archive/2007/03/08/windows-desktop-sharing-api.aspx
 *
 * Windows Desktop Sharing Interfaces:
 * http://msdn.microsoft.com/en-us/library/aa373871%28v=vs.85%29.aspx
 *
 * Offer Remote Assistance Sample C:
 * http://msdn.microsoft.com/en-us/library/ms811079.aspx#remoteassistanceapi_topic2b
 *
 * Remote Assistance in XP: Programmatically establish an RDP session:
 * http://www.codeproject.com/Articles/29939/Remote-Assistance-in-XP-Programmatically-establish
 */

#undef DEFINE_GUID
#define INITGUID

#include <initguid.h>

#include <freerdp/assistance.h>

#define TAG SERVER_TAG("shadow.win")

DEFINE_GUID(CLSID_RDPSession, 0x9B78F0E6, 0x3E05, 0x4A5B, 0xB2, 0xE8, 0xE7, 0x43, 0xA8, 0x95, 0x6B,
            0x65);
DEFINE_GUID(DIID__IRDPSessionEvents, 0x98a97042, 0x6698, 0x40e9, 0x8e, 0xfd, 0xb3, 0x20, 0x09, 0x90,
            0x00, 0x4b);
DEFINE_GUID(IID_IRDPSRAPISharingSession, 0xeeb20886, 0xe470, 0x4cf6, 0x84, 0x2b, 0x27, 0x39, 0xc0,
            0xec, 0x5c, 0xfb);
DEFINE_GUID(IID_IRDPSRAPIAttendee, 0xec0671b3, 0x1b78, 0x4b80, 0xa4, 0x64, 0x91, 0x32, 0x24, 0x75,
            0x43, 0xe3);
DEFINE_GUID(IID_IRDPSRAPIAttendeeManager, 0xba3a37e8, 0x33da, 0x4749, 0x8d, 0xa0, 0x07, 0xfa, 0x34,
            0xda, 0x79, 0x44);
DEFINE_GUID(IID_IRDPSRAPISessionProperties, 0x339b24f2, 0x9bc0, 0x4f16, 0x9a, 0xac, 0xf1, 0x65,
            0x43, 0x3d, 0x13, 0xd4);
DEFINE_GUID(CLSID_RDPSRAPIApplicationFilter, 0xe35ace89, 0xc7e8, 0x427e, 0xa4, 0xf9, 0xb9, 0xda,
            0x07, 0x28, 0x26, 0xbd);
DEFINE_GUID(CLSID_RDPSRAPIInvitationManager, 0x53d9c9db, 0x75ab, 0x4271, 0x94, 0x8a, 0x4c, 0x4e,
            0xb3, 0x6a, 0x8f, 0x2b);

static ULONG Shadow_IRDPSessionEvents_RefCount = 0;

const char* GetRDPSessionEventString(DISPID id)
{
	switch (id)
	{
		case DISPID_RDPSRAPI_EVENT_ON_ATTENDEE_CONNECTED:
			return "OnAttendeeConnected";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_ATTENDEE_DISCONNECTED:
			return "OnAttendeeDisconnected";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_ATTENDEE_UPDATE:
			return "OnAttendeeUpdate";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_ERROR:
			return "OnError";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIEWER_CONNECTED:
			return "OnConnectionEstablished";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIEWER_DISCONNECTED:
			return "OnConnectionTerminated";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIEWER_AUTHENTICATED:
			return "OnConnectionAuthenticated";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIEWER_CONNECTFAILED:
			return "OnConnectionFailed";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_CTRLLEVEL_CHANGE_REQUEST:
			return "OnControlLevelChangeRequest";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_GRAPHICS_STREAM_PAUSED:
			return "OnGraphicsStreamPaused";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_GRAPHICS_STREAM_RESUMED:
			return "OnGraphicsStreamResumed";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIRTUAL_CHANNEL_JOIN:
			return "OnChannelJoin";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIRTUAL_CHANNEL_LEAVE:
			return "OnChannelLeave";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIRTUAL_CHANNEL_DATARECEIVED:
			return "OnChannelDataReceived";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIRTUAL_CHANNEL_SENDCOMPLETED:
			return "OnChannelDataSent";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_APPLICATION_OPEN:
			return "OnApplicationOpen";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_APPLICATION_CLOSE:
			return "OnApplicationClose";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_APPLICATION_UPDATE:
			return "OnApplicationUpdate";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_WINDOW_OPEN:
			return "OnWindowOpen";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_WINDOW_CLOSE:
			return "OnWindowClose";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_WINDOW_UPDATE:
			return "OnWindowUpdate";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_APPFILTER_UPDATE:
			return "OnAppFilterUpdate";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_SHARED_RECT_CHANGED:
			return "OnSharedRectChanged";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_FOCUSRELEASED:
			return "OnFocusReleased";
			break;

		case DISPID_RDPSRAPI_EVENT_ON_SHARED_DESKTOP_SETTINGS_CHANGED:
			return "OnSharedDesktopSettingsChanged";
			break;

		case DISPID_RDPAPI_EVENT_ON_BOUNDING_RECT_CHANGED:
			return "OnViewingSizeChanged";
			break;
	}

	return "OnUnknown";
}

static HRESULT STDMETHODCALLTYPE
Shadow_IRDPSessionEvents_QueryInterface(__RPC__in _IRDPSessionEvents* This,
                                        /* [in] */ __RPC__in REFIID riid,
                                        /* [annotation][iid_is][out] */
                                        _COM_Outptr_ void** ppvObject)
{
	*ppvObject = nullptr;

	if (IsEqualIID(riid, &DIID__IRDPSessionEvents) || IsEqualIID(riid, &IID_IDispatch) ||
	    IsEqualIID(riid, &IID_IUnknown))
	{
		*ppvObject = This;
	}

	if (!(*ppvObject))
		return E_NOINTERFACE;

	This->lpVtbl->AddRef(This);
	return S_OK;
}

static ULONG STDMETHODCALLTYPE Shadow_IRDPSessionEvents_AddRef(__RPC__in _IRDPSessionEvents* This)
{
	Shadow_IRDPSessionEvents_RefCount++;
	return Shadow_IRDPSessionEvents_RefCount;
}

static ULONG STDMETHODCALLTYPE Shadow_IRDPSessionEvents_Release(__RPC__in _IRDPSessionEvents* This)
{
	if (!Shadow_IRDPSessionEvents_RefCount)
		return 0;

	Shadow_IRDPSessionEvents_RefCount--;
	return Shadow_IRDPSessionEvents_RefCount;
}

static HRESULT STDMETHODCALLTYPE
Shadow_IRDPSessionEvents_GetTypeInfoCount(__RPC__in _IRDPSessionEvents* This,
                                          /* [out] */ __RPC__out UINT* pctinfo)
{
	WLog_INFO(TAG, "Shadow_IRDPSessionEvents_GetTypeInfoCount");
	*pctinfo = 1;
	return S_OK;
}

static HRESULT STDMETHODCALLTYPE
Shadow_IRDPSessionEvents_GetTypeInfo(__RPC__in _IRDPSessionEvents* This,
                                     /* [in] */ UINT iTInfo,
                                     /* [in] */ LCID lcid,
                                     /* [out] */ __RPC__deref_out_opt ITypeInfo** ppTInfo)
{
	WLog_INFO(TAG, "Shadow_IRDPSessionEvents_GetTypeInfo");
	return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE Shadow_IRDPSessionEvents_GetIDsOfNames(
    __RPC__in _IRDPSessionEvents* This,
    /* [in] */ __RPC__in REFIID riid,
    /* [size_is][in] */ __RPC__in_ecount_full(cNames) LPOLESTR* rgszNames,
    /* [range][in] */ __RPC__in_range(0, 16384) UINT cNames,
    /* [in] */ LCID lcid,
    /* [size_is][out] */ __RPC__out_ecount_full(cNames) DISPID* rgDispId)
{
	WLog_INFO(TAG, "Shadow_IRDPSessionEvents_GetIDsOfNames");
	return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE Shadow_IRDPSessionEvents_Invoke(_IRDPSessionEvents* This,
                                                                 /* [annotation][in] */
                                                                 _In_ DISPID dispIdMember,
                                                                 /* [annotation][in] */
                                                                 _In_ REFIID riid,
                                                                 /* [annotation][in] */
                                                                 _In_ LCID lcid,
                                                                 /* [annotation][in] */
                                                                 _In_ WORD wFlags,
                                                                 /* [annotation][out][in] */
                                                                 _In_ DISPPARAMS* pDispParams,
                                                                 /* [annotation][out] */
                                                                 _Out_opt_ VARIANT* pVarResult,
                                                                 /* [annotation][out] */
                                                                 _Out_opt_ EXCEPINFO* pExcepInfo,
                                                                 /* [annotation][out] */
                                                                 _Out_opt_ UINT* puArgErr)
{
	HRESULT hr;
	VARIANT vr;
	UINT uArgErr;
	WLog_INFO(TAG, "%s (%ld)", GetRDPSessionEventString(dispIdMember), dispIdMember);

	switch (dispIdMember)
	{
		case DISPID_RDPSRAPI_EVENT_ON_ATTENDEE_CONNECTED:
		{
			int level;
			IDispatch* pDispatch;
			IRDPSRAPIAttendee* pAttendee;
			vr.vt = VT_DISPATCH;
			vr.pdispVal = nullptr;
			hr = DispGetParam(pDispParams, 0, VT_DISPATCH, &vr, &uArgErr);

			if (FAILED(hr))
			{
				WLog_ERR(TAG, "%s DispGetParam(0, VT_DISPATCH) failure: 0x%08lX",
				         GetRDPSessionEventString(dispIdMember), hr);
				return hr;
			}

			pDispatch = vr.pdispVal;
			hr = pDispatch->lpVtbl->QueryInterface(pDispatch, &IID_IRDPSRAPIAttendee,
			                                       (void**)&pAttendee);

			if (FAILED(hr))
			{
				WLog_INFO(TAG, "%s IDispatch::QueryInterface(IRDPSRAPIAttendee) failure: 0x%08lX",
				          GetRDPSessionEventString(dispIdMember), hr);
				return hr;
			}

			level = CTRL_LEVEL_VIEW;
			// level = CTRL_LEVEL_INTERACTIVE;
			hr = pAttendee->lpVtbl->put_ControlLevel(pAttendee, level);

			if (FAILED(hr))
			{
				WLog_INFO(TAG, "%s IRDPSRAPIAttendee::put_ControlLevel() failure: 0x%08lX",
				          GetRDPSessionEventString(dispIdMember), hr);
				return hr;
			}

			pAttendee->lpVtbl->Release(pAttendee);
		}
		break;

		case DISPID_RDPSRAPI_EVENT_ON_ATTENDEE_DISCONNECTED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_ATTENDEE_UPDATE:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_ERROR:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIEWER_CONNECTED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIEWER_DISCONNECTED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIEWER_AUTHENTICATED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIEWER_CONNECTFAILED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_CTRLLEVEL_CHANGE_REQUEST:
		{
			int level;
			IDispatch* pDispatch;
			IRDPSRAPIAttendee* pAttendee;
			vr.vt = VT_INT;
			vr.pdispVal = nullptr;
			hr = DispGetParam(pDispParams, 1, VT_INT, &vr, &uArgErr);

			if (FAILED(hr))
			{
				WLog_INFO(TAG, "%s DispGetParam(1, VT_INT) failure: 0x%08lX",
				          GetRDPSessionEventString(dispIdMember), hr);
				return hr;
			}

			level = vr.intVal;
			vr.vt = VT_DISPATCH;
			vr.pdispVal = nullptr;
			hr = DispGetParam(pDispParams, 0, VT_DISPATCH, &vr, &uArgErr);

			if (FAILED(hr))
			{
				WLog_ERR(TAG, "%s DispGetParam(0, VT_DISPATCH) failure: 0x%08lX",
				         GetRDPSessionEventString(dispIdMember), hr);
				return hr;
			}

			pDispatch = vr.pdispVal;
			hr = pDispatch->lpVtbl->QueryInterface(pDispatch, &IID_IRDPSRAPIAttendee,
			                                       (void**)&pAttendee);

			if (FAILED(hr))
			{
				WLog_INFO(TAG, "%s IDispatch::QueryInterface(IRDPSRAPIAttendee) failure: 0x%08lX",
				          GetRDPSessionEventString(dispIdMember), hr);
				return hr;
			}

			hr = pAttendee->lpVtbl->put_ControlLevel(pAttendee, level);

			if (FAILED(hr))
			{
				WLog_INFO(TAG, "%s IRDPSRAPIAttendee::put_ControlLevel() failure: 0x%08lX",
				          GetRDPSessionEventString(dispIdMember), hr);
				return hr;
			}

			pAttendee->lpVtbl->Release(pAttendee);
		}
		break;

		case DISPID_RDPSRAPI_EVENT_ON_GRAPHICS_STREAM_PAUSED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_GRAPHICS_STREAM_RESUMED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIRTUAL_CHANNEL_JOIN:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIRTUAL_CHANNEL_LEAVE:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIRTUAL_CHANNEL_DATARECEIVED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_VIRTUAL_CHANNEL_SENDCOMPLETED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_APPLICATION_OPEN:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_APPLICATION_CLOSE:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_APPLICATION_UPDATE:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_WINDOW_OPEN:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_WINDOW_CLOSE:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_WINDOW_UPDATE:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_APPFILTER_UPDATE:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_SHARED_RECT_CHANGED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_FOCUSRELEASED:
			break;

		case DISPID_RDPSRAPI_EVENT_ON_SHARED_DESKTOP_SETTINGS_CHANGED:
			break;

		case DISPID_RDPAPI_EVENT_ON_BOUNDING_RECT_CHANGED:
			break;
	}

	return S_OK;
}

static _IRDPSessionEventsVtbl Shadow_IRDPSessionEventsVtbl = {
	/* IUnknown */
	Shadow_IRDPSessionEvents_QueryInterface, Shadow_IRDPSessionEvents_AddRef,
	Shadow_IRDPSessionEvents_Release,

	/* IDispatch */
	Shadow_IRDPSessionEvents_GetTypeInfoCount, Shadow_IRDPSessionEvents_GetTypeInfo,
	Shadow_IRDPSessionEvents_GetIDsOfNames, Shadow_IRDPSessionEvents_Invoke
};

static _IRDPSessionEvents Shadow_IRDPSessionEvents = { &Shadow_IRDPSessionEventsVtbl };

static LRESULT CALLBACK ShadowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	switch (uMsg)
	{
		case WM_CLOSE:
			DestroyWindow(hwnd);
			break;

		case WM_DESTROY:
			PostQuitMessage(0);
			break;

		default:
			return DefWindowProc(hwnd, uMsg, wParam, lParam);
			break;
	}

	return 0;
}

int win_shadow_wds_wnd_init(winShadowSubsystem* subsystem)
{
	HMODULE hModule;
	HINSTANCE hInstance;
	WNDCLASSEX wndClassEx = WINPR_C_ARRAY_INIT;
	hModule = GetModuleHandle(nullptr);

	wndClassEx.cbSize = sizeof(WNDCLASSEX);
	wndClassEx.style = 0;
	wndClassEx.lpfnWndProc = ShadowWndProc;
	wndClassEx.cbClsExtra = 0;
	wndClassEx.cbWndExtra = 0;
	wndClassEx.hInstance = hModule;
	wndClassEx.hIcon = nullptr;
	wndClassEx.hCursor = nullptr;
	wndClassEx.hbrBackground = nullptr;
	wndClassEx.lpszMenuName = _T("ShadowWndMenu");
	wndClassEx.lpszClassName = _T("ShadowWndClass");
	wndClassEx.hIconSm = nullptr;

	if (!RegisterClassEx(&wndClassEx))
	{
		WLog_ERR(TAG, "RegisterClassEx failure");
		return -1;
	}

	hInstance = wndClassEx.hInstance;
	subsystem->hWnd = CreateWindowEx(0, wndClassEx.lpszClassName, 0, 0, 0, 0, 0, 0, HWND_MESSAGE, 0,
	                                 hInstance, nullptr);

	if (!subsystem->hWnd)
	{
		WLog_INFO(TAG, "CreateWindowEx failure");
		return -1;
	}

	return 1;
}

int win_shadow_wds_init(winShadowSubsystem* subsystem)
{
	int status = -1;

	long left = 0;
	long top = 0;
	long right = 0;
	long bottom = 0;
	BSTR bstrAuthString = nullptr;
	BSTR bstrGroupName = nullptr;
	BSTR bstrPassword = nullptr;
	BSTR bstrPropertyName = nullptr;
	VARIANT varPropertyValue;
	rdpAssistanceFile* file = nullptr;
	IConnectionPoint* pCP = nullptr;
	IConnectionPointContainer* pCPC = nullptr;

	win_shadow_wds_wnd_init(subsystem);
	HRESULT hr = OleInitialize(nullptr);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "OleInitialize() failure");
		return -1;
	}

	hr = CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "CoInitialize() failure");
		return -1;
	}

	hr = CoCreateInstance(&CLSID_RDPSession, nullptr, CLSCTX_ALL, &IID_IRDPSRAPISharingSession,
	                      (void**)&(subsystem->pSharingSession));

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "CoCreateInstance(IRDPSRAPISharingSession) failure: 0x%08lX", hr);
		return -1;
	}

	IUnknown* pUnknown = (IUnknown*)subsystem->pSharingSession;
	hr = pUnknown->lpVtbl->QueryInterface(pUnknown, &IID_IConnectionPointContainer, (void**)&pCPC);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "QueryInterface(IID_IConnectionPointContainer) failure: 0x%08lX", hr);
		return -1;
	}

	pCPC->lpVtbl->FindConnectionPoint(pCPC, &DIID__IRDPSessionEvents, &pCP);

	if (FAILED(hr))
	{
		WLog_ERR(
		    TAG,
		    "IConnectionPointContainer::FindConnectionPoint(_IRDPSessionEvents) failure: 0x%08lX",
		    hr);
		return -1;
	}

	DWORD dwCookie = 0;
	subsystem->pSessionEvents = &Shadow_IRDPSessionEvents;
	subsystem->pSessionEvents->lpVtbl->AddRef(subsystem->pSessionEvents);
	hr = pCP->lpVtbl->Advise(pCP, (IUnknown*)subsystem->pSessionEvents, &dwCookie);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IConnectionPoint::Advise(Shadow_IRDPSessionEvents) failure: 0x%08lX", hr);
		return -1;
	}

	hr = subsystem->pSharingSession->lpVtbl->put_ColorDepth(subsystem->pSharingSession, 32);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISharingSession::put_ColorDepth() failure: 0x%08lX", hr);
		return -1;
	}

	hr = subsystem->pSharingSession->lpVtbl->GetDesktopSharedRect(subsystem->pSharingSession, &left,
	                                                              &top, &right, &bottom);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISharingSession::GetDesktopSharedRect() failure: 0x%08lX", hr);
		return -1;
	}

	long width = right - left;
	long height = bottom - top;
	WLog_INFO(
	    TAG,
	    "GetDesktopSharedRect(): left: %ld top: %ld right: %ld bottom: %ld width: %ld height: %ld",
	    left, top, right, bottom, width, height);
	hr = subsystem->pSharingSession->lpVtbl->get_VirtualChannelManager(
	    subsystem->pSharingSession, &(subsystem->pVirtualChannelMgr));

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISharingSession::get_VirtualChannelManager() failure: 0x%08lX", hr);
		return -1;
	}

	hr = subsystem->pSharingSession->lpVtbl->get_ApplicationFilter(
	    subsystem->pSharingSession, &(subsystem->pApplicationFilter));

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISharingSession::get_ApplicationFilter() failure: 0x%08lX", hr);
		return -1;
	}

	hr = subsystem->pSharingSession->lpVtbl->get_Attendees(subsystem->pSharingSession,
	                                                       &(subsystem->pAttendeeMgr));

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISharingSession::get_Attendees() failure: 0x%08lX", hr);
		return -1;
	}

	hr = subsystem->pSharingSession->lpVtbl->get_Properties(subsystem->pSharingSession,
	                                                        &(subsystem->pSessionProperties));

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISharingSession::get_Properties() failure: 0x%08lX", hr);
		return -1;
	}

	bstrPropertyName = SysAllocString(L"PortId");
	varPropertyValue.vt = VT_I4;
	varPropertyValue.intVal = 40000;
	hr = subsystem->pSessionProperties->lpVtbl->put_Property(subsystem->pSessionProperties,
	                                                         bstrPropertyName, varPropertyValue);
	SysFreeString(bstrPropertyName);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISessionProperties::put_Property(PortId) failure: 0x%08lX", hr);
		return -1;
	}

	bstrPropertyName = SysAllocString(L"DrvConAttach");
	varPropertyValue.vt = VT_BOOL;
	varPropertyValue.boolVal = VARIANT_TRUE;
	hr = subsystem->pSessionProperties->lpVtbl->put_Property(subsystem->pSessionProperties,
	                                                         bstrPropertyName, varPropertyValue);
	SysFreeString(bstrPropertyName);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISessionProperties::put_Property(DrvConAttach) failure: 0x%08lX",
		         hr);
		return -1;
	}

	bstrPropertyName = SysAllocString(L"PortProtocol");
	varPropertyValue.vt = VT_I4;
	// varPropertyValue.intVal = 0; // AF_UNSPEC
	varPropertyValue.intVal = 2; // AF_INET
	// varPropertyValue.intVal = 23; // AF_INET6
	hr = subsystem->pSessionProperties->lpVtbl->put_Property(subsystem->pSessionProperties,
	                                                         bstrPropertyName, varPropertyValue);
	SysFreeString(bstrPropertyName);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISessionProperties::put_Property(PortProtocol) failure: 0x%08lX",
		         hr);
		return -1;
	}

	hr = subsystem->pSharingSession->lpVtbl->Open(subsystem->pSharingSession);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISharingSession::Open() failure: 0x%08lX", hr);
		return -1;
	}

	hr = subsystem->pSharingSession->lpVtbl->get_Invitations(subsystem->pSharingSession,
	                                                         &(subsystem->pInvitationMgr));

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPISharingSession::get_Invitations() failure");
		return -1;
	}

	bstrAuthString = SysAllocString(L"Shadow");
	bstrGroupName = SysAllocString(L"ShadowGroup");
	bstrPassword = SysAllocString(L"Shadow123!");
	hr = subsystem->pInvitationMgr->lpVtbl->CreateInvitation(
	    subsystem->pInvitationMgr, bstrAuthString, bstrGroupName, bstrPassword, 5,
	    &(subsystem->pInvitation));
	SysFreeString(bstrAuthString);
	SysFreeString(bstrGroupName);
	SysFreeString(bstrPassword);

	if (FAILED(hr))
	{
		WLog_ERR(TAG, "IRDPSRAPIInvitationManager::CreateInvitation() failure: 0x%08lX", hr);
		return -1;
	}

	file = subsystem->pAssistanceFile = freerdp_assistance_file_new();

	if (!file)
	{
		WLog_ERR(TAG, "freerdp_assistance_file_new() failed");
		return -1;
	}

	{
		int status2 = -1;
		char* ConnectionString2;
		BSTR bstrConnectionString;
		hr = subsystem->pInvitation->lpVtbl->get_ConnectionString(subsystem->pInvitation,
		                                                          &bstrConnectionString);

		if (FAILED(hr))
		{
			WLog_ERR(TAG, "IRDPSRAPIInvitation::get_ConnectionString() failure: 0x%08lX", hr);
			return -1;
		}

		ConnectionString2 = ConvertWCharToUtf8Alloc(bstrConnectionString, nullptr);
		SysFreeString(bstrConnectionString);
		status2 = freerdp_assistance_set_connection_string2(file, ConnectionString2, "Shadow123!");
		free(ConnectionString2);

		if ((!ConnectionString2) || (status2 < 1))
		{
			WLog_ERR(TAG, "failed to convert connection string");
			return -1;
		}
	}

	freerdp_assistance_print_file(file, WLog_Get(TAG), WLOG_INFO);
	status = win_shadow_rdp_init(subsystem);

	if (status < 0)
	{
		WLog_ERR(TAG, "win_shadow_rdp_init() failure: %d", status);
		return status;
	}

	rdpSettings* settings = subsystem->shw->settings;
	if (!freerdp_assistance_populate_settings_from_assistance_file(file, settings))
		return -1;
	if (!freerdp_settings_set_string(settings, FreeRDP_Domain, "RDP"))
		return -1;
	if (!freerdp_settings_set_string(settings, FreeRDP_Username, "Shadow"))
		return -1;
	if (!freerdp_settings_set_bool(settings, FreeRDP_AutoLogonEnabled, TRUE))
		return -1;
	if (!freerdp_settings_set_uint32(settings, FreeRDP_DesktopWidth, width))
		return -1;
	if (!freerdp_settings_set_uint32(settings, FreeRDP_DesktopHeight, height))
		return -1;
	status = win_shadow_rdp_start(subsystem);

	if (status < 0)
	{
		WLog_ERR(TAG, "win_shadow_rdp_start() failure: %d", status);
		return status;
	}

	return 1;
}

int win_shadow_wds_uninit(winShadowSubsystem* subsystem)
{
	if (subsystem->pSharingSession)
	{
		subsystem->pSharingSession->lpVtbl->Close(subsystem->pSharingSession);
		subsystem->pSharingSession->lpVtbl->Release(subsystem->pSharingSession);
		subsystem->pSharingSession = nullptr;
	}

	if (subsystem->pVirtualChannelMgr)
	{
		subsystem->pVirtualChannelMgr->lpVtbl->Release(subsystem->pVirtualChannelMgr);
		subsystem->pVirtualChannelMgr = nullptr;
	}

	if (subsystem->pApplicationFilter)
	{
		subsystem->pApplicationFilter->lpVtbl->Release(subsystem->pApplicationFilter);
		subsystem->pApplicationFilter = nullptr;
	}

	if (subsystem->pAttendeeMgr)
	{
		subsystem->pAttendeeMgr->lpVtbl->Release(subsystem->pAttendeeMgr);
		subsystem->pAttendeeMgr = nullptr;
	}

	if (subsystem->pSessionProperties)
	{
		subsystem->pSessionProperties->lpVtbl->Release(subsystem->pSessionProperties);
		subsystem->pSessionProperties = nullptr;
	}

	if (subsystem->pInvitationMgr)
	{
		subsystem->pInvitationMgr->lpVtbl->Release(subsystem->pInvitationMgr);
		subsystem->pInvitationMgr = nullptr;
	}

	if (subsystem->pInvitation)
	{
		subsystem->pInvitation->lpVtbl->Release(subsystem->pInvitation);
		subsystem->pInvitation = nullptr;
	}

	if (subsystem->pAssistanceFile)
	{
		freerdp_assistance_file_free(subsystem->pAssistanceFile);
		subsystem->pAssistanceFile = nullptr;
	}

	if (subsystem->hWnd)
	{
		DestroyWindow(subsystem->hWnd);
		subsystem->hWnd = nullptr;
	}

	if (subsystem->shw)
	{
		win_shadow_rdp_uninit(subsystem);
		subsystem->shw = nullptr;
	}

	return 1;
}
