/*
 * 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 "map.h"

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

#include <stdlib.h>

static void flib_map_destroy(flib_map *map) {
	if(map) {
		free(map->seed);
		free(map->drawData);
		free(map->name);
		free(map->theme);
		free(map);
	}
}

flib_map *flib_map_create_regular(const char *seed, const char *theme, int templateFilter) {
	if(log_badargs_if2(seed==NULL, theme==NULL)) {
		return NULL;
	}
	flib_map newmap = {0};
	newmap.mapgen = MAPGEN_REGULAR;
	newmap.name = "+rnd+";
	newmap.seed = (char*)seed;
	newmap.theme = (char*)theme;
	newmap.templateFilter = templateFilter;
	return flib_map_copy(&newmap);
}

flib_map *flib_map_create_maze(const char *seed, const char *theme, int mazeSize) {
	if(log_badargs_if2(seed==NULL, theme==NULL)) {
		return NULL;
	}
	flib_map newmap = {0};
	newmap.mapgen = MAPGEN_MAZE;
	newmap.name = "+maze+";
	newmap.seed = (char*)seed;
	newmap.theme = (char*)theme;
	newmap.mazeSize = mazeSize;
	return flib_map_copy(&newmap);
}

flib_map *flib_map_create_named(const char *seed, const char *name) {
	if(log_badargs_if2(seed==NULL, name==NULL)) {
		return NULL;
	}
	flib_map newmap = {0};
	newmap.mapgen = MAPGEN_NAMED;
	newmap.name = (char*)name;
	newmap.seed = (char*)seed;
	return flib_map_copy(&newmap);
}

flib_map *flib_map_create_drawn(const char *seed, const char *theme, const uint8_t *drawData, size_t drawDataSize) {
	if(log_badargs_if3(seed==NULL, theme==NULL, drawData==NULL && drawDataSize>0)) {
		return NULL;
	}
	flib_map newmap = {0};
	newmap.mapgen = MAPGEN_DRAWN;
	newmap.name = "+drawn+";
	newmap.seed = (char*)seed;
	newmap.theme = (char*)theme;
	newmap.drawData = (uint8_t*) drawData;
	newmap.drawDataSize = drawDataSize;
	return flib_map_copy(&newmap);
}

flib_map *flib_map_copy(const flib_map *map) {
	flib_map *result = NULL;
	if(map) {
		flib_map *newmap = flib_map_retain(flib_calloc(1, sizeof(flib_map)));
		if(newmap) {
			newmap->mapgen = map->mapgen;
			newmap->drawDataSize = map->drawDataSize;
			newmap->drawData = flib_bufdupnull(map->drawData, map->drawDataSize);
			newmap->mazeSize = map->mazeSize;
			newmap->name = flib_strdupnull(map->name);
			newmap->seed = flib_strdupnull(map->seed);
			newmap->templateFilter = map->templateFilter;
			newmap->theme = flib_strdupnull(map->theme);
			if((newmap->drawData || !map->drawData) && (newmap->name || !map->name) && (newmap->seed || !map->seed) && (newmap->theme || !map->theme)) {
				result = newmap;
				newmap = NULL;
			}
		}
		flib_map_release(newmap);
	}
	return result;
}

flib_map *flib_map_retain(flib_map *map) {
	if(map) {
		flib_retain(&map->_referenceCount, "flib_map");
	}
	return map;
}

void flib_map_release(flib_map *map) {
	if(map && flib_release(&map->_referenceCount, "flib_map")) {
		flib_map_destroy(map);
	}
}