//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc.  All rights
// reserved.
// 
// This program is free software.  The contents of this file are subject
// to the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.  You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
// 
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE.  Please see the GNU General Public License
// for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
// 
// If you have any questions, please contact Tripwire, Inc. at either
// info@tripwire.org or www.tripwire.org.
//
// siggenmain.cpp
#include "stdsiggen.h"



#include "core/types.h"
#include "core/tchar.h"
#include "core/debug.h"
#include "core/error.h"

#include "siggencmdline.h"
#include "core/cmdlineparser.h"
#include "core/errorbucketimpl.h"
#include "core/usernotifystdout.h"
#include "core/timebomb.h"
#include "fs/fsstrings.h"
#include "tw/twstrings.h"
#include "tw/twutil.h"      // for cTWUtil::PrintErrorMsg
#include "siggenstrings.h"

#include "siggen.h"

#include <memory>
#include <iostream>
#include <exception>

#if IS_UNIX
#include "core/unixfsservices.h"
#include <unistd.h>
#endif

///////////////////////////////////////////////////////////////////////////////
// terminate and unexpected handlers
// TODO: move these to a common library
///////////////////////////////////////////////////////////////////////////////
void tw_terminate_handler()
{
    fputs("### Internal Error.\n### Terminate Handler called.\n### Exiting...\n", stderr);
    _exit(1);
}

void tw_unexpected_handler()
{
    fputs("### Internal Error.\n### Unexpected Exception Handler called.\n### Exiting...\n", stderr);
    _exit(1);
}

static void SiggenInit()
{
	TSS_Dependency( cSiggen );
	
	static cUserNotifyStdout	unStdout;
	static cErrorTracer			et;
	static cErrorReporter		er;

	//
	// initialize iUserNotify
	//
	iUserNotify::SetInstance( &unStdout );
	iUserNotify::GetInstance()->SetVerboseLevel(iUserNotify::V_NORMAL);

	//
	// set up the file system services    
	//
#if IS_UNIX
    static cUnixFSServices	fss;
#endif
	iFSServices::SetInstance( &fss );


	//
	// set up an error bucket that will spit things to stderr
	//
	et.SetChild( &er );

}

int __cdecl _tmain(int argc, const TCHAR** argv)
{
    int ret = 0;

    if (TimeBombExploded())
        return 1;

	try 
	{
        // set unexpected and terminate handlers
        // Note: we do this before Init() in case it attempts to call these handlers
        // TODO: move this into the Init() routine
        EXCEPTION_NAMESPACE set_terminate(tw_terminate_handler);
        EXCEPTION_NAMESPACE set_unexpected(tw_unexpected_handler);

        //cTWInit twInit( argv[0] );
		SiggenInit();

        cDebug::SetDebugLevel(cDebug::D_DETAIL);
		cSiggenCmdLine siggen;

		// first, process the command line
        if (argc < 2)
        {
            TCOUT << TSS_GetString( cSiggen, siggen::STR_SIGGEN_VERSION) << std::endl;
            TCOUT << TSS_GetString( cTW, tw::STR_VERSION) << std::endl;
            TCOUT << TSS_GetString( cTW, tw::STR_GET_HELP) << std::endl;
            
            ret = 1;
            goto exit;
		}

		//
		// Display the version info...
    	// this is quick and dirty ... just the way I like it :-) -- mdb
		//
		if	(_tcscmp(argv[1], _T("--version")) == 0)
		{
            TCOUT << TSS_GetString( cTW, tw::STR_VERSION_LONG) << std::endl;
			ret=0;
			goto exit;
		}


		cCmdLineParser cmdLine;
		siggen.InitCmdLineParser(cmdLine);
		try
		{
			cmdLine.Parse(argc, argv);
		}
		catch( eError& e )
		{
			cTWUtil::PrintErrorMsg(e);
            TCERR << TSS_GetString( cTW, tw::STR_GET_HELP) << std::endl;
            
            ret = 1;
            goto exit;
		}

		cCmdLineIter iter(cmdLine);
        if (iter.SeekToArg(cSiggenCmdLine::HELP))
        {
            TCOUT << TSS_GetString( cSiggen, siggen::STR_SIGGEN_VERSION) << std::endl;
            TCOUT << TSS_GetString( cTW, tw::STR_VERSION) << std::endl;
            TCOUT << TSS_GetString( cSiggen, siggen::STR_SIGGEN_USAGE) << std::endl;
			ret = 1;
            goto exit;
        }

		if(! siggen.Init(cmdLine))
		{
			TCOUT << TSS_GetString( cSiggen, siggen::STR_SIGGEN_VERSION) << std::endl;
            TCOUT << TSS_GetString( cTW, tw::STR_VERSION) << std::endl;
            TCOUT << TSS_GetString( cSiggen, siggen::STR_SIGGEN_USAGE) << std::endl;
			ret = 1;
            goto exit;
		}
		ret = siggen.Execute();

	}//end try block

	catch (eError& error)
    {
		cErrorReporter::PrintErrorMsg(error);
        ASSERT(false);
    }

exit:


	return ret;
}//end MAIN