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/**
  @addtogroup BLE_GATT Generic Attribute Profile (GATT) Common
  @{
  @brief  Common definitions and prototypes for the GATT interfaces.
 */

#ifndef BLE_GATT_H__
#define BLE_GATT_H__

#include "ble_err.h"
#include "ble_hci.h"
#include "ble_ranges.h"
#include "ble_types.h"
#include "nrf_error.h"
#include "nrf_svc.h"
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/** @addtogroup BLE_GATT_DEFINES Defines
 * @{ */

/** @brief Default ATT MTU, in bytes. */
#define BLE_GATT_ATT_MTU_DEFAULT 23

/**@brief Invalid Attribute Handle. */
#define BLE_GATT_HANDLE_INVALID 0x0000

/**@brief First Attribute Handle. */
#define BLE_GATT_HANDLE_START 0x0001

/**@brief Last Attribute Handle. */
#define BLE_GATT_HANDLE_END 0xFFFF

/** @defgroup BLE_GATT_TIMEOUT_SOURCES GATT Timeout sources
 * @{ */
#define BLE_GATT_TIMEOUT_SRC_PROTOCOL 0x00 /**< ATT Protocol timeout. */
/** @} */

/** @defgroup BLE_GATT_WRITE_OPS GATT Write operations
 * @{ */
#define BLE_GATT_OP_INVALID 0x00        /**< Invalid Operation. */
#define BLE_GATT_OP_WRITE_REQ 0x01      /**< Write Request. */
#define BLE_GATT_OP_WRITE_CMD 0x02      /**< Write Command. */
#define BLE_GATT_OP_SIGN_WRITE_CMD 0x03 /**< Signed Write Command. */
#define BLE_GATT_OP_PREP_WRITE_REQ 0x04 /**< Prepare Write Request. */
#define BLE_GATT_OP_EXEC_WRITE_REQ 0x05 /**< Execute Write Request. */
/** @} */

/** @defgroup BLE_GATT_EXEC_WRITE_FLAGS GATT Execute Write flags
 * @{ */
#define BLE_GATT_EXEC_WRITE_FLAG_PREPARED_CANCEL 0x00 /**< Cancel prepared write. */
#define BLE_GATT_EXEC_WRITE_FLAG_PREPARED_WRITE 0x01  /**< Execute prepared write. */
/** @} */

/** @defgroup BLE_GATT_HVX_TYPES GATT Handle Value operations
 * @{ */
#define BLE_GATT_HVX_INVALID 0x00      /**< Invalid Operation. */
#define BLE_GATT_HVX_NOTIFICATION 0x01 /**< Handle Value Notification. */
#define BLE_GATT_HVX_INDICATION 0x02   /**< Handle Value Indication. */
/** @} */

/** @defgroup BLE_GATT_STATUS_CODES GATT Status Codes
 * @{ */
#define BLE_GATT_STATUS_SUCCESS 0x0000                      /**< Success. */
#define BLE_GATT_STATUS_UNKNOWN 0x0001                      /**< Unknown or not applicable status. */
#define BLE_GATT_STATUS_ATTERR_INVALID 0x0100               /**< ATT Error: Invalid Error Code. */
#define BLE_GATT_STATUS_ATTERR_INVALID_HANDLE 0x0101        /**< ATT Error: Invalid Attribute Handle. */
#define BLE_GATT_STATUS_ATTERR_READ_NOT_PERMITTED 0x0102    /**< ATT Error: Read not permitted. */
#define BLE_GATT_STATUS_ATTERR_WRITE_NOT_PERMITTED 0x0103   /**< ATT Error: Write not permitted. */
#define BLE_GATT_STATUS_ATTERR_INVALID_PDU 0x0104           /**< ATT Error: Used in ATT as Invalid PDU. */
#define BLE_GATT_STATUS_ATTERR_INSUF_AUTHENTICATION 0x0105  /**< ATT Error: Authenticated link required. */
#define BLE_GATT_STATUS_ATTERR_REQUEST_NOT_SUPPORTED 0x0106 /**< ATT Error: Used in ATT as Request Not Supported. */
#define BLE_GATT_STATUS_ATTERR_INVALID_OFFSET 0x0107        /**< ATT Error: Offset specified was past the end of the attribute. */
#define BLE_GATT_STATUS_ATTERR_INSUF_AUTHORIZATION 0x0108   /**< ATT Error: Used in ATT as Insufficient Authorization. */
#define BLE_GATT_STATUS_ATTERR_PREPARE_QUEUE_FULL 0x0109    /**< ATT Error: Used in ATT as Prepare Queue Full. */
#define BLE_GATT_STATUS_ATTERR_ATTRIBUTE_NOT_FOUND 0x010A   /**< ATT Error: Used in ATT as Attribute not found. */
#define BLE_GATT_STATUS_ATTERR_ATTRIBUTE_NOT_LONG                                                                                \
    0x010B /**< ATT Error: Attribute cannot be read or written using read/write blob requests. */
#define BLE_GATT_STATUS_ATTERR_INSUF_ENC_KEY_SIZE 0x010C     /**< ATT Error: Encryption key size used is insufficient. */
#define BLE_GATT_STATUS_ATTERR_INVALID_ATT_VAL_LENGTH 0x010D /**< ATT Error: Invalid value size. */
#define BLE_GATT_STATUS_ATTERR_UNLIKELY_ERROR 0x010E         /**< ATT Error: Very unlikely error. */
#define BLE_GATT_STATUS_ATTERR_INSUF_ENCRYPTION 0x010F       /**< ATT Error: Encrypted link required. */
#define BLE_GATT_STATUS_ATTERR_UNSUPPORTED_GROUP_TYPE                                                                            \
    0x0110                                             /**< ATT Error: Attribute type is not a supported grouping attribute. */
#define BLE_GATT_STATUS_ATTERR_INSUF_RESOURCES 0x0111  /**< ATT Error: Insufficient resources. */
#define BLE_GATT_STATUS_ATTERR_RFU_RANGE1_BEGIN 0x0112 /**< ATT Error: Reserved for Future Use range #1 begin. */
#define BLE_GATT_STATUS_ATTERR_RFU_RANGE1_END 0x017F   /**< ATT Error: Reserved for Future Use range #1 end. */
#define BLE_GATT_STATUS_ATTERR_APP_BEGIN 0x0180        /**< ATT Error: Application range begin. */
#define BLE_GATT_STATUS_ATTERR_APP_END 0x019F          /**< ATT Error: Application range end. */
#define BLE_GATT_STATUS_ATTERR_RFU_RANGE2_BEGIN 0x01A0 /**< ATT Error: Reserved for Future Use range #2 begin. */
#define BLE_GATT_STATUS_ATTERR_RFU_RANGE2_END 0x01DF   /**< ATT Error: Reserved for Future Use range #2 end. */
#define BLE_GATT_STATUS_ATTERR_RFU_RANGE3_BEGIN 0x01E0 /**< ATT Error: Reserved for Future Use range #3 begin. */
#define BLE_GATT_STATUS_ATTERR_RFU_RANGE3_END 0x01FC   /**< ATT Error: Reserved for Future Use range #3 end. */
#define BLE_GATT_STATUS_ATTERR_CPS_WRITE_REQ_REJECTED                                                                            \
    0x01FC /**< ATT Common Profile and Service Error: Write request rejected.                                                    \
            */
#define BLE_GATT_STATUS_ATTERR_CPS_CCCD_CONFIG_ERROR                                                                             \
    0x01FD /**< ATT Common Profile and Service Error: Client Characteristic Configuration Descriptor improperly configured. */
#define BLE_GATT_STATUS_ATTERR_CPS_PROC_ALR_IN_PROG                                                                              \
    0x01FE /**< ATT Common Profile and Service Error: Procedure Already in Progress. */
#define BLE_GATT_STATUS_ATTERR_CPS_OUT_OF_RANGE 0x01FF /**< ATT Common Profile and Service Error: Out Of Range. */
/** @} */

/** @defgroup BLE_GATT_CPF_FORMATS Characteristic Presentation Formats
 *  @note Found at
 * http://developer.bluetooth.org/gatt/descriptors/Pages/DescriptorViewer.aspx?u=org.bluetooth.descriptor.gatt.characteristic_presentation_format.xml
 * @{ */
#define BLE_GATT_CPF_FORMAT_RFU 0x00     /**< Reserved For Future Use. */
#define BLE_GATT_CPF_FORMAT_BOOLEAN 0x01 /**< Boolean. */
#define BLE_GATT_CPF_FORMAT_2BIT 0x02    /**< Unsigned 2-bit integer. */
#define BLE_GATT_CPF_FORMAT_NIBBLE 0x03  /**< Unsigned 4-bit integer. */
#define BLE_GATT_CPF_FORMAT_UINT8 0x04   /**< Unsigned 8-bit integer. */
#define BLE_GATT_CPF_FORMAT_UINT12 0x05  /**< Unsigned 12-bit integer. */
#define BLE_GATT_CPF_FORMAT_UINT16 0x06  /**< Unsigned 16-bit integer. */
#define BLE_GATT_CPF_FORMAT_UINT24 0x07  /**< Unsigned 24-bit integer. */
#define BLE_GATT_CPF_FORMAT_UINT32 0x08  /**< Unsigned 32-bit integer. */
#define BLE_GATT_CPF_FORMAT_UINT48 0x09  /**< Unsigned 48-bit integer. */
#define BLE_GATT_CPF_FORMAT_UINT64 0x0A  /**< Unsigned 64-bit integer. */
#define BLE_GATT_CPF_FORMAT_UINT128 0x0B /**< Unsigned 128-bit integer. */
#define BLE_GATT_CPF_FORMAT_SINT8 0x0C   /**< Signed 2-bit integer. */
#define BLE_GATT_CPF_FORMAT_SINT12 0x0D  /**< Signed 12-bit integer. */
#define BLE_GATT_CPF_FORMAT_SINT16 0x0E  /**< Signed 16-bit integer. */
#define BLE_GATT_CPF_FORMAT_SINT24 0x0F  /**< Signed 24-bit integer. */
#define BLE_GATT_CPF_FORMAT_SINT32 0x10  /**< Signed 32-bit integer. */
#define BLE_GATT_CPF_FORMAT_SINT48 0x11  /**< Signed 48-bit integer. */
#define BLE_GATT_CPF_FORMAT_SINT64 0x12  /**< Signed 64-bit integer. */
#define BLE_GATT_CPF_FORMAT_SINT128 0x13 /**< Signed 128-bit integer. */
#define BLE_GATT_CPF_FORMAT_FLOAT32 0x14 /**< IEEE-754 32-bit floating point. */
#define BLE_GATT_CPF_FORMAT_FLOAT64 0x15 /**< IEEE-754 64-bit floating point. */
#define BLE_GATT_CPF_FORMAT_SFLOAT 0x16  /**< IEEE-11073 16-bit SFLOAT. */
#define BLE_GATT_CPF_FORMAT_FLOAT 0x17   /**< IEEE-11073 32-bit FLOAT. */
#define BLE_GATT_CPF_FORMAT_DUINT16 0x18 /**< IEEE-20601 format. */
#define BLE_GATT_CPF_FORMAT_UTF8S 0x19   /**< UTF-8 string. */
#define BLE_GATT_CPF_FORMAT_UTF16S 0x1A  /**< UTF-16 string. */
#define BLE_GATT_CPF_FORMAT_STRUCT 0x1B  /**< Opaque Structure. */
/** @} */

/** @defgroup BLE_GATT_CPF_NAMESPACES GATT Bluetooth Namespaces
 * @{
 */
#define BLE_GATT_CPF_NAMESPACE_BTSIG 0x01                 /**< Bluetooth SIG defined Namespace. */
#define BLE_GATT_CPF_NAMESPACE_DESCRIPTION_UNKNOWN 0x0000 /**< Namespace Description Unknown. */
/** @} */

/** @} */

/** @addtogroup BLE_GATT_STRUCTURES Structures
 * @{ */

/**
 * @brief BLE GATT connection configuration parameters, set with @ref sd_ble_cfg_set.
 *
 * @retval ::NRF_ERROR_INVALID_PARAM att_mtu is smaller than @ref BLE_GATT_ATT_MTU_DEFAULT.
 */
typedef struct {
    uint16_t att_mtu; /**< Maximum size of ATT packet the SoftDevice can send or receive.
                           The default and minimum value is @ref BLE_GATT_ATT_MTU_DEFAULT.
                           @mscs
                           @mmsc{@ref BLE_GATTC_MTU_EXCHANGE}
                           @mmsc{@ref BLE_GATTS_MTU_EXCHANGE}
                           @endmscs
                      */
} ble_gatt_conn_cfg_t;

/**@brief GATT Characteristic Properties. */
typedef struct {
    /* Standard properties */
    uint8_t broadcast : 1;      /**< Broadcasting of the value permitted. */
    uint8_t read : 1;           /**< Reading the value permitted. */
    uint8_t write_wo_resp : 1;  /**< Writing the value with Write Command permitted. */
    uint8_t write : 1;          /**< Writing the value with Write Request permitted. */
    uint8_t notify : 1;         /**< Notification of the value permitted. */
    uint8_t indicate : 1;       /**< Indications of the value permitted. */
    uint8_t auth_signed_wr : 1; /**< Writing the value with Signed Write Command permitted. */
} ble_gatt_char_props_t;

/**@brief GATT Characteristic Extended Properties. */
typedef struct {
    /* Extended properties */
    uint8_t reliable_wr : 1; /**< Writing the value with Queued Write operations permitted. */
    uint8_t wr_aux : 1;      /**< Writing the Characteristic User Description descriptor permitted. */
} ble_gatt_char_ext_props_t;

/** @} */

#ifdef __cplusplus
}
#endif
#endif // BLE_GATT_H__

/** @} */
