/*
 * Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
 *
 * This file is part of Open5GS.
 *
 * 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, either version 3 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, see <https://www.gnu.org/licenses/>.
 */

#include "pcrf-context.h"
#include "pcrf-fd-path.h"

static int initialized = 0;

int pcrf_initialize(void)
{
    int rv;

    pcrf_context_init();

    rv = pcrf_context_parse_config();
    if (rv != OGS_OK) return rv;

    rv = ogs_log_config_domain(
            ogs_app()->logger.domain, ogs_app()->logger.level);
    if (rv != OGS_OK) return rv;

    if (ogs_app()->db_uri) {
        rv = ogs_dbi_mongo_init(ogs_app()->db_uri);
        if (rv != OGS_OK) return rv;
    } else if (ogs_app()->db_json[0].apn) {
        int i;
        for (i = 0; i < OGS_APP_DB_JSON_MAX_APNS; i++) {
            if (ogs_app()->db_json[i].apn && ogs_app()->db_json[i].filepath) {
                rv = ogs_dbi_json_init(ogs_app()->db_json[i].filepath, ogs_app()->db_json[i].apn);
                if (rv != OGS_OK) return rv;
            }
        }
    } else {
        ogs_error("No database selected!");
        return OGS_ERROR;
    }

    rv = pcrf_fd_init();
    if (rv != OGS_OK) return OGS_ERROR;

    initialized = 1;

    return OGS_OK;
}

void pcrf_terminate(void)
{
    if (!initialized) return;

    pcrf_fd_final();

    ogs_dbi_final();
    pcrf_context_final();

    return;
}