/*----------------------------------------------------------------------------
 * Copyright (c) Fenda Technologies Co., Ltd. 2022. All rights reserved.
 *
 * Description: 汇顶APP服务
 *
 * Author: george
 *
 * Create: 2022-11-10
 *--------------------------------------------------------------------------*/


#include "svc_gdcs.h"
#include "wsf_types.h"
#include "bstream.h"

#include "att_defs.h"
#include "att_uuid.h"

/******************************************************************************/
/* Macro definitions                                                          */
/******************************************************************************/
/* Base UUID: XXXXXXXX-0000-1000-8000-00805f9b34fb */
#define GDCS_UUID_BASE            0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, \
                                    0x00, 0x80, 0x00, 0x10, 0x00, 0x00
/* Macro for building UUIDs */
#define GDCS_UUID_BUILD(part)     GDCS_UUID_BASE, UINT32_TO_BYTES(part)

/* Partial UUIDs of the service. */
#define GDCS_SERVICE_UUID_PART    0x0000190E
/* Partial GDCS rx characteristic UUIDs */
#define GDCS_RX_CH_UUID_PART      0x00000004
/* Partial GDCS tx characteristic UUIDs */
#define GDCS_TX_CH_UUID_PART      0x00000003

/* GDCS services UUID */
#define GDCS_SERVICE_UUID         GDCS_UUID_BUILD(GDCS_SERVICE_UUID_PART)
/* GDCS characteristics */
#define GDCS_RX_CH_UUID           GDCS_UUID_BUILD(GDCS_RX_CH_UUID_PART)
#define GDCS_TX_CH_UUID           GDCS_UUID_BUILD(GDCS_TX_CH_UUID_PART)

/******************************************************************************/
/* Static Variables                                                           */
/******************************************************************************/
static const uint8_t svcRxUuid[] = {GDCS_RX_CH_UUID};
static const uint8_t svcTxUuid[] = {GDCS_TX_CH_UUID};

/******************************************************************************/
/* Service variables                                                          */
/******************************************************************************/
/* GDCS service declaration */
static const uint8_t  GdcsSvc[] = {GDCS_SERVICE_UUID};
static const uint16_t GdcsLenSvc = sizeof(GdcsSvc);


/* GDCS RX characteristic */
static const uint8_t  GdcsRxCh[] = {
    ATT_PROP_WRITE_NO_RSP,
    UINT16_TO_BYTES(GDCS_RX_HDL),
    GDCS_RX_CH_UUID
};
static const uint16_t GdcsLenRxCh = sizeof(GdcsRxCh);

/* GDCS RX data */
static const uint8_t  GdcsRx[] = {0};
static const uint16_t GdcsLenRx = sizeof(GdcsRx);


/* GDCS TX characteristic */
static const uint8_t  GdcsTxCh[] = {
    ATT_PROP_NOTIFY,
    UINT16_TO_BYTES(GDCS_TX_HDL),
    GDCS_TX_CH_UUID
};
static const uint16_t GdcsLenTxCh = sizeof(GdcsTxCh);

/* GDCS TX data */
static const uint8_t  GdcsTx[] = {0};
static const uint16_t GdcsLenTx = sizeof(GdcsTx);

/* Proprietary data client characteristic configuration */
static uint8_t        GdcsTxChCcc[] = {UINT16_TO_BYTES(0x0000)};
static const uint16_t GdcsLenTxChCcc = sizeof(GdcsTxChCcc);


/* Attribute list for GDCS group */
static const attsAttr_t GdcsList[] = {
    /* Service declaration */
    {
        attPrimSvcUuid,
        (uint8_t *) GdcsSvc,
        (uint16_t *) &GdcsLenSvc,
        sizeof(GdcsSvc),
        0,
        ATTS_PERMIT_READ
    },

    /* Characteristic declaration */
    {
        attChUuid,
        (uint8_t *) GdcsRxCh,
        (uint16_t *) &GdcsLenRxCh,
        sizeof(GdcsRxCh),
        0,
        ATTS_PERMIT_READ
    },
    /* Characteristic value */
    {
        svcRxUuid,
        (uint8_t *) GdcsRx,
        (uint16_t *) &GdcsLenRx,
        ATT_VALUE_MAX_LEN,
        (ATTS_SET_UUID_128 | ATTS_SET_VARIABLE_LEN | ATTS_SET_WRITE_CBACK),
        ATTS_PERMIT_WRITE
    },

    /* Characteristic declaration */
    {
        attChUuid,
        (uint8_t *) GdcsTxCh,
        (uint16_t *) &GdcsLenTxCh,
        sizeof(GdcsTxCh),
        0,
        ATTS_PERMIT_READ
    },
    /* Characteristic value */
    {
        svcTxUuid,
        (uint8_t *) GdcsTx,
        (uint16_t *) &GdcsLenTx,
        ATT_VALUE_MAX_LEN,
        (ATTS_SET_UUID_128 | ATTS_SET_VARIABLE_LEN),
        ATTS_PERMIT_READ
    },
    /* Characteristic CCC descriptor */
    {
        attCliChCfgUuid,
        (uint8_t *) GdcsTxChCcc,
        (uint16_t *) &GdcsLenTxChCcc,
        sizeof(GdcsTxChCcc),
        ATTS_SET_CCC,
        (ATTS_PERMIT_READ | ATTS_PERMIT_WRITE)
    }
};

/* GDCS group structure */
static attsGroup_t svcGdcsGroup = {
    NULL,
    (attsAttr_t *) GdcsList,
    NULL,
    NULL,
    GDCS_START_HDL,
    GDCS_END_HDL
};

/** @brief Add the services to the attribute server. */
void svc_gdcs_add_group(void)
{
    AttsAddGroup(&svcGdcsGroup);
}

/** @brief Remove the services from the attribute server. */
void svc_gdcs_remove_group(void)
{
    AttsRemoveGroup(GDCS_START_HDL);
}

/** @brief Register callbacks for the service. */
void svc_gdcs_cback_register(attsReadCback_t readCback, attsWriteCback_t writeCback)
{
    svcGdcsGroup.readCback = readCback;
    svcGdcsGroup.writeCback = writeCback;
}