#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_badparams_if(!dataDirPath || !mapname || !out)

			&& !log_e_if(flib_contains_dir_separator(mapname), "Illegal character in mapname %s", 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(!log_e_if(!fgets(buf, sizeof(buf), file), "Error reading hoglimit from %s", path)) {

						removeNewline(buf);

						errno = 0;

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

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

					}

				}

				fclose(file);

			}

		}

		free(path);

	}

	return result;

}