//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// It is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#pragma once
#include <ShlObj.h> // OPENASINFO
#include <Shobjidl.h> // IEnumAssocHandlers
#include <hstring.h>
#include <windows.h> // all stuff like FAR, BOOL, STDCALL, etc

namespace Platform {
namespace Dlls {

void init();

// KERNEL32.DLL
typedef BOOL(FAR STDAPICALLTYPE *f_SetDllDirectory)(LPCWSTR lpPathName);
extern f_SetDllDirectory SetDllDirectory;

void start();

template <typename Function> bool load(HINSTANCE library, LPCSTR name, Function &func) {
	if (!library) return false;

	func = reinterpret_cast<Function>(GetProcAddress(library, name));
	return (func != nullptr);
}

// UXTHEME.DLL
typedef HRESULT(FAR STDAPICALLTYPE *f_SetWindowTheme)(HWND hWnd, LPCWSTR pszSubAppName, LPCWSTR pszSubIdList);
extern f_SetWindowTheme SetWindowTheme;

// SHELL32.DLL
typedef HRESULT(FAR STDAPICALLTYPE *f_SHAssocEnumHandlers)(PCWSTR pszExtra, ASSOC_FILTER afFilter,
                                                           IEnumAssocHandlers **ppEnumHandler);
extern f_SHAssocEnumHandlers SHAssocEnumHandlers;

typedef HRESULT(FAR STDAPICALLTYPE *f_SHCreateItemFromParsingName)(PCWSTR pszPath, IBindCtx *pbc, REFIID riid,
                                                                   void **ppv);
extern f_SHCreateItemFromParsingName SHCreateItemFromParsingName;

typedef HRESULT(FAR STDAPICALLTYPE *f_SHOpenWithDialog)(HWND hwndParent, const OPENASINFO *poainfo);
extern f_SHOpenWithDialog SHOpenWithDialog;

typedef HRESULT(FAR STDAPICALLTYPE *f_OpenAs_RunDLL)(HWND hWnd, HINSTANCE hInstance, LPCWSTR lpszCmdLine, int nCmdShow);
extern f_OpenAs_RunDLL OpenAs_RunDLL;

typedef HRESULT(FAR STDAPICALLTYPE *f_SHQueryUserNotificationState)(QUERY_USER_NOTIFICATION_STATE *pquns);
extern f_SHQueryUserNotificationState SHQueryUserNotificationState;

typedef void(FAR STDAPICALLTYPE *f_SHChangeNotify)(LONG wEventId, UINT uFlags, __in_opt LPCVOID dwItem1,
                                                   __in_opt LPCVOID dwItem2);
extern f_SHChangeNotify SHChangeNotify;

typedef HRESULT(FAR STDAPICALLTYPE *f_SetCurrentProcessExplicitAppUserModelID)(__in PCWSTR AppID);
extern f_SetCurrentProcessExplicitAppUserModelID SetCurrentProcessExplicitAppUserModelID;

// WTSAPI32.DLL

typedef BOOL(FAR STDAPICALLTYPE *f_WTSRegisterSessionNotification)(HWND hWnd, DWORD dwFlags);
extern f_WTSRegisterSessionNotification WTSRegisterSessionNotification;

typedef BOOL(FAR STDAPICALLTYPE *f_WTSUnRegisterSessionNotification)(HWND hWnd);
extern f_WTSUnRegisterSessionNotification WTSUnRegisterSessionNotification;

// PROPSYS.DLL

typedef HRESULT(FAR STDAPICALLTYPE *f_PropVariantToString)(_In_ REFPROPVARIANT propvar, _Out_writes_(cch) PWSTR psz,
                                                           _In_ UINT cch);
extern f_PropVariantToString PropVariantToString;

typedef HRESULT(FAR STDAPICALLTYPE *f_PSStringFromPropertyKey)(_In_ REFPROPERTYKEY pkey, _Out_writes_(cch) LPWSTR psz,
                                                               _In_ UINT cch);
extern f_PSStringFromPropertyKey PSStringFromPropertyKey;

// COMBASE.DLL

typedef HRESULT(FAR STDAPICALLTYPE *f_RoGetActivationFactory)(_In_ HSTRING activatableClassId, _In_ REFIID iid,
                                                              _COM_Outptr_ void **factory);
extern f_RoGetActivationFactory RoGetActivationFactory;

typedef HRESULT(FAR STDAPICALLTYPE *f_WindowsCreateStringReference)(
    _In_reads_opt_(length + 1) PCWSTR sourceString, UINT32 length, _Out_ HSTRING_HEADER *hstringHeader,
    _Outptr_result_maybenull_ _Result_nullonfailure_ HSTRING *string);
extern f_WindowsCreateStringReference WindowsCreateStringReference;

typedef HRESULT(FAR STDAPICALLTYPE *f_WindowsDeleteString)(_In_opt_ HSTRING string);
extern f_WindowsDeleteString WindowsDeleteString;


} // namespace Dlls
} // namespace Platform