/****************************************************************************
 *
 * MODULE:       g.ask
 * AUTHOR(S):    Michael Shapiro CERL (original contributor)
 *               Markus Neteler <neteler itc.it>,
 *               Bernhard Reiter <bernhard intevation.de>, 
 *               Glynn Clements <glynn gclements.plus.com>,
 *               Jan-Oliver Wagner <jan intevation.de>
 * PURPOSE:      
 * COPYRIGHT:    (C) 1999-2006 by the GRASS Development Team
 *
 *               This program is free software under the GNU General Public
 *               License (>=v2). Read the file COPYING that comes with GRASS
 *               for details.
 *
 *****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <grass/gis.h>
#include <grass/glocale.h>

int main(int   argc, char *argv[])
{
    char file[1024], name[40], *mapset;
    char *prompt;
    char *help[2];
    FILE *fd; 
	struct GModule *module;
    struct Option *opt1 ;
    struct Option *opt2 ;
    struct Option *opt3 ;
    struct Option *opt4 ;
    struct Option *opt5 ;			

    G_gisinit (argv[0]);

    module = G_define_module();
    module->keywords = _("general");
    module->description =
		"Prompts the user for the names of GRASS data base files.";

    /* Define the different options */

    opt1 = G_define_option() ;
    opt1->key        = "type";
    opt1->type       = TYPE_STRING;
    opt1->required   = YES;
    opt1->description="The type of query" ;
    opt1->options    ="old,new,any,mapset";

    opt2 = G_define_option() ;
    opt2->key        = "prompt";
    opt2->key_desc   = "\"string\"";
    opt2->type       = TYPE_STRING;
    opt2->required   = NO;
    opt2->description="The prompt to be displayed to the user" ;

    opt3 = G_define_option() ;
    opt3->key        = "element";
    opt3->type       = TYPE_STRING;
    opt3->required   = YES;
    opt3->description="The database element to be queried" ;

    opt4 = G_define_option() ;
    opt4->key        = "desc";
    opt4->key_desc   = "\"string\"";
    opt4->type       = TYPE_STRING;
    opt4->required   = NO;
    opt4->description="A short description of the database element" ;

    opt5 = G_define_option() ;
    opt5->key        = "unixfile";
    opt5->type       = TYPE_STRING;
    opt5->required   = YES;
    opt5->description="The name of a unix file to store the user's response" ;

    if (argc < 2) /* no interactive version allowed */
    {
	help[0]=argv[0];
	help[1]="help";
	argv = help;
	argc = 2;
    }
    if (G_parser(argc, argv) < 0)
        exit(EXIT_FAILURE);

    prompt = opt2->answer;

    fd = fopen (opt5->answer, "w");
    if (fd == NULL)
    {
    	fprintf (stderr, "%s - ", argv[0]);
    	perror (opt5->answer);
    	exit(EXIT_FAILURE);
    }
  
    if (strcmp (opt1->answer, "old") == 0)
	mapset = G_ask_old (prompt, name, opt3->answer, opt4->answer);
    else if (strcmp (opt1->answer, "new") == 0)
	mapset = G_ask_new (prompt, name, opt3->answer, opt4->answer);
    else if (strcmp (opt1->answer, "any") == 0)
	mapset = G_ask_any (prompt, name, opt3->answer, opt4->answer, 0);
    else if  (strcmp (opt1->answer, "mapset") == 0)
	mapset = G_ask_in_mapset (prompt, name, opt3->answer, opt4->answer);


    if (mapset)
    {
    	fprintf (fd, "name='%s'\n",name);
    	fprintf (fd, "mapset='%s'\n",mapset);
    	fprintf (fd, "fullname='%s'\n",G_fully_qualified_name(name,mapset));
    	G__file_name (file, opt3->answer, name, mapset);
    	fprintf (fd, "file='%s'\n",file);
    	G__make_mapset_element (opt3->answer);
    }
    else
    {
    	fprintf (fd, "name=\n");
    	fprintf (fd, "mapset=\n");
    	fprintf (fd, "file=\n");
    }

    fclose (fd);
    exit(EXIT_SUCCESS);
}



