#ifndef APP_H
#define APP_H

#include "config-check.h"
#include <stdint.h>
#include <Arduino.h>

#define SENSOR_NAME_LEN 10

// TODO: Randomize these numbers. There are no reason why they should be in order.

enum sm_cmd_code {
  SM_CMD_GET_SENSOR_COUNT    = 1,
  // Used to be 2
  SM_CMD_GET_VALUE           = 8,
  SM_CMD_SET_WARNING_VALUE   = 3,
  SM_CMD_GET_WARNING_VALUE   = 4,
  SM_CMD_SET_SENSOR_NAME     = 5,
  SM_CMD_GET_SENSOR_NAME     = 6,
  SM_CMD_SET_UPDATE_INTERVAL = 7,
  // 8 is used
  SM_CMD_FAIL                = 255,
};

struct sm_get_sensor_count_req {
};

struct sm_get_sensor_count_res {
  uint8_t count;
};

struct sm_get_value_req {
  uint8_t sensor;
};

/**
 * This includes the sensor id because it can be used as a notification too
 */
struct sm_get_value_res {
  uint8_t  sensor;
  uint16_t value;
};

struct sm_set_warning_value_req {
  uint8_t  sensor;
  uint16_t warning_value;
};

struct sm_set_warning_value_res {
};

struct sm_get_warning_value_req {
  uint8_t sensor;
};

struct sm_get_warning_value_res {
  uint16_t warning_value;
};

struct sm_set_sensor_name_req {
  uint8_t sensor;
  uint8_t length;
  uint8_t name[SENSOR_NAME_LEN];
};

struct sm_set_sensor_name_res {
};

struct sm_get_sensor_name_req {
  uint8_t sensor;
};

struct sm_get_sensor_name_res {
  uint8_t length;
  uint8_t name[SENSOR_NAME_LEN];
};

struct sm_set_update_interval_req {
  uint8_t sensor;
  uint8_t interval_in_seconds;
};

struct sm_set_update_interval_res {
};

struct sm_req {
  uint8_t code;
  union {
    struct sm_get_sensor_count_req    get_sensor_count;
    struct sm_get_value_req           get_value;
    struct sm_set_warning_value_req   set_warning_value;
    struct sm_get_warning_value_req   get_warning_value;
    struct sm_set_sensor_name_req     set_sensor_name;
    struct sm_get_sensor_name_req     get_sensor_name;
    struct sm_set_update_interval_req set_update_interval;
  };
};

// len + code
#define SM_RES_HEADER_SIZE 1

struct sm_res {
  // header
  uint8_t code;

  // body
  union {
    struct sm_get_sensor_count_res    get_sensor_count;
    struct sm_get_value_res           get_value;
    struct sm_set_warning_value_res   set_warning_value;
    struct sm_get_warning_value_res   get_warning_value;
    struct sm_set_sensor_name_res     set_sensor_name;
    struct sm_get_sensor_name_res     get_sensor_name;
    struct sm_set_update_interval_res set_update_interval;
  };
};

void sm_loop();
void sm_setup();
void sm_on_connect();
void sm_on_disconnect();

//boolean tx_soil_moisture(struct sm_res& res);
void notify_soil_moisture(const struct sm_res &res, uint8_t body_len);
void notify_battery_level(uint8_t value);

void on_soil_moisture_ctrl(uint8_t *data, uint8_t len);

#ifdef SM_DEBUG
void write_req(struct sm_req const &req);
void write_res(struct sm_res const &res);
#endif

#endif

// vim: set ft=arduino: