/*********************************************************************************
 *      Copyright:  (C) 2019 LingYun IoT System Studio
 *                  All rights reserved.
 *
 *       Filename:  config.h
 *    Description:  This file is mqttd configure file parser function
 *
 *        Version:  1.0.0(2019年06月25日)
 *         Author:  Guo Wenxue <guowenxue@gmail.com>
 *      ChangeLog:  1, Release initial version on "2019年06月25日 22时23分55秒"
 *
 ********************************************************************************/
#ifndef  __CONF_H_
#define  __CONF_H_

#include "gpio.h"

enum
{
    Qos0, /* 发送者只发送一次消息，不进行重试，Broker不会返回确认消息。在Qos0情况下，Broker可能没有接受到消息 */
    Qos1, /* 发送者最少发送一次消息，确保消息到达Broker，Broker需要返回确认消息PUBACK。在Qos1情况下，Broker可能接受到重复消息 */
    Qos2, /* Qos2使用两阶段确认来保证消息的不丢失和不重复。在Qos2情况下，Broker肯定会收到消息，且只收到一次  */
};

#define DEF_KEEPALIVE       30
#define DEF_PUBINTERVAL     120
#define DEF_QOS             Qos2

typedef struct mqtt_ctx_s
{
    char          devid[32];    /*  device ID */

    /* Broker settings  */
    char            host[128];  /* MQTT broker server name  */
    int             port;       /* MQTT broker listen port  */
    char            token[64];  /* token */
    char            uid[64];    /* username */
    char            pwd[64];    /* password */
    int             keepalive;  /* MQTT broker send PING message to subsciber/publisher keepalive timeout<seconds> */

    /* Publisher settings */
    char            pubTopic[256]; /* Publisher topic  */
    int             pubQos;        /* Publisher Qos */
    int             interval ;     /* Publish sensor data interval time, unit seconds */

    /* Subscriber settings */
    char            subTopic[256]; /* Subscriber topic */
    int             subQos;        /* Subscriber Qos  */
} mqtt_ctx_t;

typedef struct logger_s
{
    /* logger settings */
    char            logfile[128]; /* logger record file */
    int             loglevel;     /* logger level  */
    int             logsize;      /* logger file maxsize, oversize will rollback */
} logger_t;

typedef struct hwinfo_s
{
    gpio_t          gpio;         /* gpio information */
    int             light_intval; /* light on interval */
    float           lux_threshold;/* lux threshold value  */
} hwinfo_t;

typedef struct iotd_ctx_s
{
    logger_t        logger;
    hwinfo_t        hwinfo;
    mqtt_ctx_t      mqtt;
} iotd_ctx_t;

extern int parser_conf(const char *conf_file, iotd_ctx_t *ctx, int debug);

#endif   /* ----- #ifndef _CONF_H_  ----- */