/*
    webchat, an HTML5/websocket chat platform
    Copyright (C) 2015  <email hidden>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, version 3 of the License.

    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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#define PRIV_PLAYMEDIA   1 // Play youtube videos
#define PRIV_CLOSECAM    2 // Close frozen, asleep or inappropriate cams
#define PRIV_TOPIC       4 // Set the channel topic
#define PRIV_KICK        8 // Kick or ban trolls/creeps
#define PRIV_SETMODS    16 // Add/remove mods, set privileges
#define PRIV_PASSWORD   32 // Change the channel password (TODO: Override entrance for mods? only some mods?)
#define PRIV_ALL        63
// Idea: privilege to temporarily mod users with e.g. PLAYMEDIA, CLOSECAM, TOPIC and KICK privileges

extern void db_init(void);
extern void db_shutdown(void);
extern char db_findchannel(const char* name, int* id, char** password);
extern char db_finduser(const char* name, int* id, char** password, char** salt);
extern int db_getmod(int channel, int user);
extern char db_setchannelpassword(const char* channel, const char* password);
extern void db_mkhash(const char* password, const char* salt, char output[129]);
extern char db_setuserpassword(const char* user, const char* password);
extern char db_createuser(const char* user, const char* password);
extern char db_addmod(int channel, int user, int privileges);
extern char db_removemod(int channel, int user);
extern char db_changemod(int channel, int user, int privileges);
extern void db_listmods(int channel, void(*modcallback)(int userid, int privileges));
extern char* db_getusername(int userid); // Caller will need to free the returned string
extern char db_createchannel(const char* channel);
extern char db_removechannel(const char* channel);
// TODO: function to remove account too? though this brings up questions about how to deal with sole channel owners