/**
 * NEURON IIoT System for Industry 4.0
 * Copyright (C) 2020-2022 EMQ Technologies Co., Ltd All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser 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.
 **/

#ifndef NEURON_ARGPARSE_H
#define NEURON_ARGPARSE_H

#define NEU_LOG_STDOUT_FNAME "/dev/stdout"

#define NEU_RESTART_NEVER 0
#define NEU_RESTART_ALWAYS ((size_t) -2)
#define NEU_RESTART_ONFAILURE ((size_t) -1)

#define NEU_ENV_DAEMON "NEURON_DAEMON"
#define NEU_ENV_LOG "NEURON_LOG"
#define NEU_ENV_LOG_LEVEL "NEURON_LOG_LEVEL"
#define NEU_ENV_RESTART "NEURON_RESTART"
#define NEU_ENV_DISABLE_AUTH "NEURON_DISABLE_AUTH"
#define NEU_ENV_CONFIG_DIR "NEURON_CONFIG_DIR"
#define NEU_ENV_PLUGIN_DIR "NEURON_PLUGIN_DIR"
#define NEU_ENV_SYSLOG_HOST "NEURON_SYSLOG_HOST"
#define NEU_ENV_SYSLOG_PORT "NEURON_SYSLOG_PORT"
#define NEU_ENV_SUB_FILTER_ERROR "NEURON_SUB_FILTER_ERROR"

#define NEURON_CONFIG_FNAME "./config/neuron.json"

#ifdef __cplusplus
extern "C" {
#endif

#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>

extern const char *g_config_dir;
extern const char *g_plugin_dir;

/** Neuron command line arguments.
 */
typedef struct {
    bool     daemonized; // flag indicating whether to run as daemon process
    bool     dev_log;    // logging for development
    size_t   restart;    // restart policy
    bool     disable_auth;
    char *   log_init_file;
    char *   config_dir;
    char *   plugin_dir;
    bool     stop;
    char *   ip;
    int      port;
    char *   syslog_host;
    uint16_t syslog_port;
    bool     sub_filter_err;
} neu_cli_args_t;

/** Parse command line arguments.
 */
void neu_cli_args_init(neu_cli_args_t *args, int argc, char *argv[]);

/** Clean up the command line arguments.
 */
void neu_cli_args_fini(neu_cli_args_t *args);

#ifdef __cplusplus
}
#endif

#endif