/* guidgen.c - Tool to create GUIDs
 *	Copyright (C) 2001 g10 Code GmbH
 *
 * This file is part of GPGME.
 *
 * GPGME 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 2 of the License, or
 * (at your option) any later version.
 *
 * GPGME 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.
 *
 * 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
 */


#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <time.h>
#include <windows.h>

#include "obj_base.h"

#include "argparse.h"


enum cmd_and_opt_values { aNull = 0,
    oVerbose	  = 'v',

aTest };


static ARGPARSE_OPTS opts[] = {

    { 301, NULL, 0, "@Options:\n " },

    { oVerbose, "verbose",   0, "verbose" },
{0} };

static struct {
    int verbose;
} opt;


static void create_guid (void);

static const char *
my_strusage( int level )
{
    const char *p;
    switch( level ) {
      case 11: p = "guidgen";
	break;
      case 13: p = VERSION; break;
      /*case 17: p = PRINTABLE_OS_NAME; break;*/
      case 19: p =
	    "Please report bugs to <gpgme-bugs@gnupg.org>.\n";
	break;
      case 1:
      case 40:	p =
	    "Usage: guidgen [options] (-h for help)";
	break;
      case 41:	p =
	    "Syntax: guidgen [options]\n"
	      "Generate GUIDs\n";
	break;

      default:	p = NULL;
    }
    return p;
}


int
main (int argc, char **argv )
{
    ARGPARSE_ARGS pargs;

    set_strusage( my_strusage );
    /*log_set_name ("gpa"); not yet implemented in logging.c */

    pargs.argc = &argc;
    pargs.argv = &argv;
    pargs.flags=  0;
    while( arg_parse( &pargs, opts) ) {
	switch( pargs.r_opt ) {
	  case oVerbose: opt.verbose++; break;

	  default : pargs.err = 2; break;
	}
    }

    if (!argc)
        create_guid();
    else {
        int n;

        for (n = atoi (argv[0]); n > 0; n-- )
            create_guid ();
    }

    return 0;
}


static void
create_guid ()
{
    GUID guid, *id;
    id = &guid;
    if ( CoCreateGuid (id) ) {
        fprintf (stderr,"failed to create GUID\n");
        exit (1);
    }
    printf( "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\n",
            id->Data1, id->Data2, id->Data3,
            id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
            id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
}