#pragma once

#include <stdint.h>

#include "host/ble_gatt.h"

#define CHAR_PRESENTATION_FORMAT_SIZE 7

struct char_pres_format {
  uint8_t format;
  uint8_t exponent;
  uint16_t unit;
  uint8_t namespc;
  uint8_t descrH;
  uint8_t descrL;
};

struct dsc_content {
  size_t data_size;
  void* data;
};

typedef void (*charReadCallback)(int svc_ind, int chr_ind, void** value, size_t* value_size);
typedef int (*charWriteCallback)(int svc_ind, int chr_ind, struct os_mbuf* om);
typedef void (*dscReadCallback)(int svc_ind, int chr_ind, void** value, size_t* value_size);

void initBLE(char* name);
void ble_advertise(void);
void set_gatt_services(struct ble_gatt_svc_def* svcs, uint16_t num);
void print_service(struct ble_gatt_svc_def* svcs);
void notify(uint16_t svc_ind, uint16_t chr_ind, void* value, size_t value_size);
void set_on_char_read_handler(charReadCallback cb);
void set_on_char_write_handler(charWriteCallback cb);
int gatt_svr_chr_write_get_data(struct os_mbuf *om, uint16_t min_len, uint16_t max_len, void *dst, uint16_t *len);