/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 *
 *************************************************************/

/*
 * Simple Application which calls the DllRegisterServer or DllUnregisterServer functions
 * of the XMerge ActiveSync plugin.
 */


#include <stdio.h>
#include <string.h>
#include <windows.h>


typedef HRESULT (STDAPICALLTYPE *DLLREGISTERSERVER)(void);
typedef HRESULT (STDAPICALLTYPE *DLLUNREGISTERSERVER)(void);

int main(int argc, char* argv[])
{
	BOOL  bUninstall = FALSE;
	int   nPathIndex = 1;

	if (argc < 2 || argc > 3)
	{
		printf("\nUsage:  regutil [/u] <Full Path of XMergeSync.dll>\n\n");
		return -1;
	}


	if (argc == 3)
	{
		if (strcmp("/u", argv[1]))
		{
			printf("\nUnrecognised option: %s\n", argv[1]);
			return -1;
		}

		bUninstall = TRUE;
		nPathIndex = 2;
	}


	// Dynamically load the library
	HMODULE hmXMDll = LoadLibrary(argv[nPathIndex]);

	if (hmXMDll == NULL)
	{
		printf("\nUnable to load the library %s\n", argv[nPathIndex]);
		return -1;
	}


	// Get an offset to the either the DllRegisterServer or DllUnregisterServer functions
	if (!bUninstall)
	{
		printf("\nRegistering %s ... ", argv[nPathIndex]);

		DLLREGISTERSERVER DllRegisterServer = (DLLREGISTERSERVER)GetProcAddress(hmXMDll, "DllRegisterServer");

		if (DllRegisterServer == NULL)
		{
			printf("failed.\n\nDllRegisterServer is not present in library.\n");
			return -1;
		}

		// Now call the procedure ...
		HRESULT regResult = DllRegisterServer() ;

		if (regResult != S_OK)
		{
			printf("failed.\n");
			return -1;
		}
	}
	else
	{
		printf("\nUnregistering %s ... ", argv[nPathIndex]);

		DLLUNREGISTERSERVER DllUnregisterServer = (DLLUNREGISTERSERVER)GetProcAddress(hmXMDll, "DllUnregisterServer");

		if (DllUnregisterServer == NULL)
		{
			printf("failed.\n\nDllUnregisterServer is not present in library.\n");
			return -1;
		}

		// Now call the procedure ...
		HRESULT regResult = DllUnregisterServer() ;

		if (regResult != S_OK)
		{
			printf("failed.\n");
			return -1;
		}

	}

	printf("done.\n");


	// Clean up
	FreeLibrary(hmXMDll);

	return 0;
}