#ifndef _INCLUDE_LWMQTT_ALIYUN_H_
#define _INCLUDE_LWMQTT_ALIYUN_H_

#include "lwmqtt.h"

/**
  * @brief Functions of Aliyun MQTT message.
  */
typedef enum _lwmqtt_aliyun_function_ {
    LWMQTT_ALIFUNC_POWERSWITCH,
    LWMQTT_ALIFUNC_RAW_MSG,
    LWMQTT_ALIFUNC_TEMP,
    LWMQTT_ALIFUNC_MAX
} lwmqtt_alifunc_t;

/**
  * @brief Metholds of Aliyun MQTT message.
  */
typedef enum _lwmqtt_aliyun_method_ {
    LWMQTT_ALIMTHD_SET, /* LWMQTT_ALI_MTHD_SET_STR */
    LWMQTT_ALIMTHD_GET, /* LWMQTT_ALI_MTHD_GET_STR */
    LWMQTT_ALIMTHD_POST,/* LWMATT_ALI_MTHD_PST_STR */
    LWMQTT_ALIMTHD_MAX
}lwmqtt_alimthd_t;

/**
  * @brief Structure of Aliyun MQTT message that used by our module.
  */
typedef struct _lwmqtt_aliyun_message_type_ {
    /** Methold of MQTT message. Reference to lwmqtt_alimthd_t. */
    uint16_t    alimthd;
    /** Function of MQTT message. Reference to lwmqtt_alifunc_t. */
    uint16_t    alifunc;
    /** Quick param(if needed by function of MQTT message). */
    uint32_t    param;
    /** Source of MQTT message. */
    uint16_t    src;
    /** Length of data for MQTT message(if needed by function of MQTT message). */
    uint16_t    dlen;
    /** Data for MQTT message(if needed by function of MQTT message). */
    uint8_t     data[0];
}lwmqtt_alimsg_t;

/**
  * @brief Special const information for Aliyun. TODO : Will be maked up later.
  */
#define LWMQTT_ALI_SERVER   "a13gv5ZzTDX.iot-as-mqtt.cn-shanghai.aliyuncs.com"
#define LWMQTT_ALI_SERVER_IPV4      0x8BC48787
#define LWMQTT_ALI_CTID     "RAIN0001Example001|securemode=3,signmethod=hmacsha1,timestamp=10|"
#define LWMQTT_ALI_USER     "Example001&a13gv5ZzTDX"
#define LWMQTT_ALI_PASS     "f66718aa1cc5c7343df8e989ee9747723413fb3a"

#define LWMQTT_ALI_DEVICE_STR   "/sys/a13gv5ZzTDX/Example001/"
#define LWMQTT_ALI_MTHD_SET_STR "thing/service/property/set"
#define LWMQTT_ALI_MTHD_GET_STR "thing/service/property/get"
#define LWMQTT_ALI_MTHD_PST_STR "thing/event/property/post"

#define LWMQTT_ALI_SUB      LWMQTT_ALI_DEVICE_STR LWMQTT_ALI_MTHD_SET_STR

#define LWMQTT_ALI_PUB      LWMQTT_ALI_DEVICE_STR LWMQTT_ALI_MTHD_PST_STR

#define PARAM_STRING_SWITCH "\"params\":{\"PowerSwitch\":"
#define RARAM_STRING_POST_MESSAGE   "{\"method\":\"thing.event.property.post\",\"params\":{\"Message\":\"Powerswitch to %d successfully!\"},\"version\":\"1.0.0\"}"
#define RARAM_STRING_POST_SWITCH    "{\"method\":\"thing.event.property.post\",\"params\":{\"PowerSwitch\":%d},\"version\":\"1.0.0\"}"

typedef void (*lwmqtt_alifunc_func_t)(lwmqtt_alimsg_t *p_alimsg);

/**
  * @brief lwmqtt_ali_function_deliver() -  Deliver a Ali-MQTT function to execute.
  * @param p_alimsg: MQTT message.
  * @return: ERR_OK     -- Process the message successfully.
  * @return: ERR_FAIL   -- Error occurs when process this message.
*/
uint32_t lwmqtt_ali_function_deliver(lwmqtt_alimsg_t *p_alimsg);

/**
  * @brief lwmqtt_ali_message_receive() -  Process an Ali-MQTT message from ETH.
  * @param p_topic: Topic of Ali-MQTT message.
  * @param p_message: Message data of Ali-MQTT message.
*/
void lwmqtt_ali_message_receive(lwmqtt_string_t *p_topic, lwmqtt_message_t *p_message);

#endif