/*

 * Hedgewars, a free turn based strategy game

 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>

 *

 * This program 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.

 *

 * This program 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 */

#include "mapcfg.h"

#include "../util/util.h"

#include "../util/logging.h"

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <errno.h>

void removeNewline(char *str) {

	for(;*str;str++) {

		if(*str=='\n' || *str=='\r') {

			*str = 0;

			return;

		}

	}

}

int flib_mapcfg_read(const char *dataDirPath, const char *mapname, flib_mapcfg *out) {

	int result = -1;

	if(!log_badargs_if4(dataDirPath==NULL, mapname==NULL, out==NULL, flib_contains_dir_separator(mapname))) {

		char *path = flib_asprintf("%sMaps/%s/map.cfg", dataDirPath, mapname);

		if(path) {

			FILE *file = fopen(path, "rb");

			if(!log_e_if(!file, "Unable to open map config file %s", path)) {

				if(!log_e_if(!fgets(out->theme, sizeof(out->theme), file), "Error reading theme from %s", path)) {

					removeNewline(out->theme);

					char buf[64];

					if(fgets(buf, sizeof(buf), file)) {

						removeNewline(buf);

						errno = 0;

						out->hogLimit = strtol(buf, NULL, 10);

						result = !log_e_if(errno, "Invalid hoglimit in %s: %i", path, buf);

					} else {

						result = 0;

					}

				}

				fclose(file);

			}

		}

		free(path);

	}

	return result;

}