/*

 * 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;

}