/*

 * 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 "roomlist.h"

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

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

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

#include <stdlib.h>

#include <string.h>

flib_roomlist *flib_roomlist_create() {

	return flib_calloc(1, sizeof(flib_roomlist));

}

static void flib_roomlist_room_destroy(flib_room *room) {

	if(room) {

		free(room->map);

		free(room->name);

		free(room->owner);

		free(room->scheme);

		free(room->weapons);

		free(room);

	}

}

void flib_roomlist_destroy(flib_roomlist *list) {

	if(list) {

		for(int i=0; i<list->roomCount; i++) {

			flib_roomlist_room_destroy(list->rooms[i]);

		}

		free(list->rooms);

		free(list);

	}

}

static flib_room *fillRoomFromParams(char **params) {

	flib_room *result = NULL;

	flib_room *tmpRoom = flib_calloc(1, sizeof(flib_room));

	if(tmpRoom) {

		tmpRoom->inProgress = !strcmp(params[0], "True");

		tmpRoom->name = flib_strdupnull(params[1]);

		tmpRoom->playerCount = atoi(params[2]);

		tmpRoom->teamCount = atoi(params[3]);

		tmpRoom->owner = flib_strdupnull(params[4]);

		tmpRoom->map = flib_strdupnull(params[5]);

		tmpRoom->scheme = flib_strdupnull(params[6]);

		tmpRoom->weapons = flib_strdupnull(params[7]);

		if(tmpRoom->name && tmpRoom->owner && tmpRoom->map && tmpRoom->scheme && tmpRoom->weapons) {

			result = tmpRoom;

			tmpRoom = NULL;

		}

	}

	flib_roomlist_room_destroy(tmpRoom);

	return result;

}

GENERATE_STATIC_LIST_INSERT(insertRoom, flib_room*)

GENERATE_STATIC_LIST_DELETE(deleteRoom, flib_room*)

static int findRoom(const flib_roomlist *list, const char *name) {

	for(int i=0; i<list->roomCount; i++) {

		if(!strcmp(name, list->rooms[i]->name)) {

			return i;

		}

	}

	return -1;

}

int flib_roomlist_add(flib_roomlist *list, char **params) {

	int result = -1;

	if(!log_badargs_if2(list==NULL, params==NULL)) {

		flib_room *tmpRoom = fillRoomFromParams(params);

		if(tmpRoom) {

			if(!insertRoom(&list->rooms, &list->roomCount, tmpRoom, 0)) {

				tmpRoom = NULL;

				result = 0;

			}

		}

		flib_roomlist_room_destroy(tmpRoom);

	}

	return result;

}

int flib_roomlist_delete(flib_roomlist *list, const char *name) {

	int result = -1;

	if(!log_badargs_if2(list==NULL, name==NULL)) {

		int roomid = findRoom(list, name);

		if(roomid<0) {

			flib_log_w("Attempt to delete unknown room %s", name);

		} else {

			flib_room *room = list->rooms[roomid];

			if(!deleteRoom(&list->rooms, &list->roomCount, roomid)) {

				flib_roomlist_room_destroy(room);

				result = 0;

			}

		}

	}

	return result;

}

int flib_roomlist_update(flib_roomlist *list, const char *name, char **params) {

	int result = -1;

	if(!log_badargs_if3(list==NULL, name==NULL, params==NULL)) {

		flib_room *tmpRoom = fillRoomFromParams(params);

		int roomid = findRoom(list, name);

		if(tmpRoom && roomid>=0) {

			flib_roomlist_room_destroy(list->rooms[roomid]);

			list->rooms[roomid] = tmpRoom;

			tmpRoom = NULL;

			result = 0;

		}

		flib_roomlist_room_destroy(tmpRoom);

	}

	return result;

}

flib_room *flib_roomlist_find(const flib_roomlist *list, const char *name) {

	flib_room *result = NULL;

	if(!log_badargs_if2(list==NULL, name==NULL)) {

		int roomid = findRoom(list, name);

		if(roomid>=0) {

			result = list->rooms[roomid];

		}

	}

	return result;

}

void flib_roomlist_clear(flib_roomlist *list) {

	if(!log_badargs_if(list==NULL)) {

		for(int i=0; i<list->roomCount; i++) {

			flib_roomlist_room_destroy(list->rooms[i]);

		}

		free(list->rooms);

		list->rooms = NULL;

		list->roomCount = 0;

	}

}