/*********************************************************************************
 *      Copyright:  (C) 2018 LingYun IoT System Studio
 *                  All rights reserved.
 *
 *       Filename:  iotd_conf.c
 *    Description:  This file is for iotd configure file parser API
 *                 
 *        Version:  1.0.0(2018年11月20日)
 *         Author:  Guo Wenxue <guowenxue@gmail.com>
 *      ChangeLog:  1, Release initial version on "2018年11月20日 12时11分46秒"
 *                 
 ********************************************************************************/
#include "iotd_conf.h"
#include "cp_iniparser.h"

int parser_iotd_conf(char *conf_file, iotd_conf_t *iotd_conf)
{
    dictionary          *ini;
    char                *str;
    int                  data;
    logger_t            *logger;
    nbiot_conf_t        *nbiot;
    lora_conf_t         *lora;
    mqtt_conf_t         *mqtt;


    if(!conf_file || !iotd_conf )
    {
        log_err("Invalid input arguments\n");
        return -1;
    }

    ini = iniparser_load(conf_file);
    if (ini==NULL) 
    {   
        log_err("cannot parse file: %s\n", conf_file);
        return -2 ;
    }   

    memset(iotd_conf, 0, sizeof(*iotd_conf));
    logger = &iotd_conf->logger;
    nbiot = &iotd_conf->nbiot_conf;
    lora = &iotd_conf->lora_conf;
    mqtt = &iotd_conf->mqtt_conf;

    /*+----------------------------------+
      |  Program  logger configuration   |
      +----------------------------------+*/

    str = iniparser_getstring(ini, "log:file", NULL);
    strncpy(logger->file, (strlen(str)>0 ? str : DEF_LOG_FILE), FILENAME_LEN);
    log_nrml("Set log file [%s] from configuration.\n", logger->file);

    /* If not set the log level from command line, then use the configure one*/
    if( !(logger->flag&CP_LOGGER_LEVEL_OPT) )
    {
        logger->level = iniparser_getint(ini, "log:level", LOG_LEVEL_NRML);
        log_nrml("Set log level[%d] from configuration.\n", logger->level);
    }

    /*  Set the log maximum file size in the configure file */
    logger->size = iniparser_getint(ini, "log:size", DEF_LOG_MAXSIZE);
    logger->size = logger->size>DEF_LOG_MAXSIZE ? DEF_LOG_MAXSIZE : logger->size;
    log_nrml("Set log size [%dKiB] from configuration\n", logger->size);


    /*+----------------------------------+
      |    NB-IoT Module configuration   |
      +----------------------------------+*/

    data = iniparser_getint(ini, "nbiot:enable", 0);
    nbiot->enable = data? ENABLE : DISABLE;
    printf("Confiugre NB-IoT thread [%s]\n", nbiot->enable ? "enable" : "disable");

    str = iniparser_getstring(ini, "nbiot:comport", NULL);
    if( NULL!=str && strlen(str) > 0 )
    {
        strncpy(nbiot->comport, str, sizeof(nbiot->comport));
    }
    else
    {
        log_err("Configure without NB-IoT comport device, thread will not start\n");
        nbiot->enable = DISABLE;
    }
    log_nrml("Configure NB-IoT comport device as '%s'\n", lora->comport);

    nbiot->baudrate = iniparser_getint(ini, "nbiot:baudrate", 9600);
    log_nrml("Configure NB-IoT comport baudrate as '%d'\n", nbiot->baudrate);

    str = iniparser_getstring(ini, "nbiot:settings", "8N1N");
    if( NULL!=str && strlen(str) >= 4 )
    {
        strncpy(nbiot->settings, str, 4);
        log_nrml("Configure NB-IoT comport settings as '%s'\n", nbiot->settings);
    }
    else
    {
        log_err("Configure Invalid NB-IoT comport settings '%s', thread will not start.\n", str);
        nbiot->enable = DISABLE;
    }


    /*+----------------------------------+
      |     LoRa Module configuration    |
      +----------------------------------+*/

    data = iniparser_getint(ini, "lora:enable", 0);
    lora->enable = data? ENABLE : DISABLE;
    printf("Confiugre LoRa thread [%s]\n", lora->enable ? "enable" : "disable");

    str = iniparser_getstring(ini, "lora:comport", NULL);
    if( NULL!=str && strlen(str) > 0 )
    {
        strncpy(lora->comport, str, sizeof(lora->comport));
    }
    else
    {
        log_err("Configure without LoRa comport device, thread will not start\n");
        lora->enable = DISABLE;
    }
    log_nrml("Configure LoRa comport device as '%s'\n", lora->comport);

    lora->baudrate = iniparser_getint(ini, "lora:baudrate", 115200);
    log_nrml("Configure LoRa comport baudrate as '%d'\n", lora->baudrate);

    str = iniparser_getstring(ini, "lora:settings", "8N1N");
    if( NULL!=str && strlen(str) >= 4 )
    {
        strncpy(lora->settings, str, 4);
        log_nrml("Configure LoRa comport settings as '%s'\n", lora->settings);
    }
    else
    {
        log_err("Configure Invalid LoRa comport settings '%s', thread will not start.\n", str);
        lora->enable = DISABLE;
    }


    /*+----------------------------------+
      |     MQTT Server configuration    |
      +----------------------------------+*/

    data = iniparser_getint(ini, "mqtt:enable", 0);
    mqtt->enable = data? ENABLE : DISABLE;
    printf("Confiugre MQTT thread [%s]\n", lora->enable ? "enable" : "disable");

    str = iniparser_getstring(ini, "mqtt:hostname", NULL);
    if( !str || strlen(str) <= 0 )
    {
        log_err("Configure MQTT Server hostname invalid, thread will not start\n");
        mqtt->enable = DISABLE;
    }
    strncpy(mqtt->hostname, str, HOSTN_LEN);
    log_nrml("Configure MQTT Server hostname: \"%s\" \n", mqtt->hostname);

    data = iniparser_getint(ini, "mqtt:port", 0);
    if( !data )
    {
        log_err("Configure MQTT Server port invalid, thread will not start\n");
        mqtt->enable = DISABLE;
    }
    mqtt->port = data;
    log_nrml("Configure MQTT Server port: [%d]\n", mqtt->port);



    iniparser_freedict(ini);

    return 0;
}