/*
 * this 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 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, see <http://www.gnu.org/licenses/>.";
 *
 * (c) Alexander Vdolainen 2007, 2026 <alex@vapaa.xyz>
 * subrelay: a minimalistic maillist server based on external IMAPs/SMTPs
 *
 * subscribers.h: mail list subscribers pool
 *
 */
#ifndef __SUBSCRIBERS_H__
#define __SUBSCRIBERS_H__

#include <ilib/splay.h>

typedef struct subscriber_entry {
    splay_node_t node;
    char *email;
} subscriber_entry_t;

typedef struct subscriber_pool {
    splay_t tree;
    char *filepath;
} subscriber_pool_t;

int subscriber_pool_init(subscriber_pool_t *pool, const char *filepath);
void subscriber_pool_destroy(subscriber_pool_t *pool);

int subscriber_add(subscriber_pool_t *pool, const char *email);
int subscriber_remove(subscriber_pool_t *pool, const char *email);
int subscriber_exists(subscriber_pool_t *pool, const char *email);

int subscriber_load_file(subscriber_pool_t *pool);
int subscriber_save_file(subscriber_pool_t *pool);

#endif /* __SUBSCRIBERS_H__ */