
/**
    \file appl_sample_example_10.c

    Source File for Generic OnOff Server as LPN Standalone application without CLI or
    menu based console input interface.
*/

/*
    Copyright (C) 2018. Mindtree Ltd.
    All rights reserved.
*/

#if (MESH_STANDALONE == 10)

/* ----------------------------------------- Header File Inclusion */
#include "MS_common.h"
#include "MS_access_api.h"
#include "MS_config_api.h"
#include "MS_health_server_api.h"
#include "MS_generic_onoff_api.h"
#include "blebrr.h"
#include "nvsto.h"
#include "model_state_handler_pl.h"

/* Console Input/Output */
#define CONSOLE_OUT(...)    printf(__VA_ARGS__)
#define CONSOLE_IN(...)     scanf(__VA_ARGS__)

void appl_dump_bytes(UCHAR* buffer, UINT16 length);
void appl_mesh_sample (void);

#define UI_FRND_CRITERIA                0x4B
#define UI_FRND_RECEIVE_DELAY_MS        100
#define UI_FRND_POLLTIMEOUT_100MS       100
#define UI_FRND_SETUPTIMEOUT            10000

/* ----------------------------------------- External Global Variables */


/* ----------------------------------------- Exported Global Variables */


/* ----------------------------------------- Static Global Variables */


/* ----------------------------------------- Functions */
/* Model Server - Foundation Models */

/* Health Server - Test Routines */
static void UI_health_self_test_00(UINT8 test_id, UINT16 company_id)
{
}

static void UI_health_self_test_01(UINT8 test_id, UINT16 company_id)
{
}

static void UI_health_self_test_FF(UINT8 test_id, UINT16 company_id)
{
}

/* List of Self Tests */
static MS_HEALTH_SERVER_SELF_TEST UI_health_server_self_tests[] =
{
    {
        0x00, /* Test ID: 0x00 */
        UI_health_self_test_00
    },
    {
        0x01, /* Test ID: 0x01 */
        UI_health_self_test_01
    },
    {
        0xFF, /* Test ID: 0xFF */
        UI_health_self_test_FF
    }
};

/**
    \brief Health Server application Asynchronous Notification Callback.

    \par Description
    Health Server calls the registered callback to indicate events occurred to the
    application.

    \param handle        Model Handle.
    \param event_type    Health Server Event type.
    \param event_param   Parameter associated with the event if any or NULL.
    \param param_len     Size of the event parameter data. 0 if event param is NULL.
*/
static API_RESULT UI_health_server_cb
(
    MS_ACCESS_MODEL_HANDLE* handle,
    UINT8                    event_type,
    UINT8*                   event_param,
    UINT16                   param_len
)
{
    CONSOLE_OUT(
        "Health Server Callback. Not handled. Returning\n");
    return API_SUCCESS;
}

API_RESULT UI_register_foundation_model_servers
(
    MS_ACCESS_ELEMENT_HANDLE element_handle
)
{
    /* Configuration Server */
    MS_ACCESS_MODEL_HANDLE   UI_config_server_model_handle;
    MS_ACCESS_MODEL_HANDLE   UI_health_server_model_handle;
    API_RESULT retval;
    /* Health Server */
    UINT16                       company_id;
    MS_HEALTH_SERVER_SELF_TEST* self_tests;
    UINT32                       num_self_tests;
    CONSOLE_OUT("In Model Server - Foundation Models\n");
    retval = MS_config_server_init(element_handle, &UI_config_server_model_handle);
    CONSOLE_OUT("Config Model Server Registration Status: 0x%04X\n", retval);
    /* Health Server */
    company_id = 0x0000;
    self_tests = &UI_health_server_self_tests[0];
    num_self_tests = sizeof(UI_health_server_self_tests)/sizeof(MS_HEALTH_SERVER_SELF_TEST);
    retval = MS_health_server_init
             (
                 element_handle,
                 &UI_health_server_model_handle,
                 company_id,
                 self_tests,
                 num_self_tests,
                 UI_health_server_cb
             );

    if (API_SUCCESS == retval)
    {
        CONSOLE_OUT(
            "Health Server Initialized. Model Handle: 0x%04X\n",
            UI_health_server_model_handle);
    }
    else
    {
        CONSOLE_OUT(
            "[ERR] Sensor Server Initialization Failed. Result: 0x%04X\n",
            retval);
    }

    return retval;
}


/* ---- Generic OnOff States and Get/Set Handlers */
static MS_STATE_GENERIC_ONOFF_STRUCT UI_generic_onoff;

/* Generic OnOff Model state Initialization */
void UI_generic_onoff_model_states_initialization(void)
{
    EM_mem_set(&UI_generic_onoff, 0, sizeof(UI_generic_onoff));
}

/* Generic OnOff Model Get Handler */
API_RESULT UI_generic_onoff_model_state_get(UINT16 state_t, UINT16 state_inst, void* param, UINT8 direction)
{
    API_RESULT retval;
    retval = API_SUCCESS;

    switch(state_t)
    {
    case MS_STATE_GENERIC_ONOFF_T:
    {
        MS_STATE_GENERIC_ONOFF_STRUCT* param_p;
        param_p = (MS_STATE_GENERIC_ONOFF_STRUCT*)param;
        /* Ignoring Instance and direction right now */
        *param_p = UI_generic_onoff;
    }
    break;

    default:
        break;
    }

    return retval;
}

/* Generic OnOff Model Set Handler */
API_RESULT UI_generic_onoff_model_state_set(UINT16 state_t, UINT16 state_inst, void* param, UINT8 direction)
{
    API_RESULT retval;
    retval = API_SUCCESS;

    switch (state_t)
    {
    case MS_STATE_GENERIC_ONOFF_T:
    {
        MS_STATE_GENERIC_ONOFF_STRUCT* param_p;
        param_p = (MS_STATE_GENERIC_ONOFF_STRUCT*)param;
        /* Instantaneous Change */
        UI_generic_onoff.onoff = param_p->onoff;
        *param_p = UI_generic_onoff;
        CONSOLE_OUT("[state] current: 0x%02X\n", UI_generic_onoff.onoff);
        CONSOLE_OUT("[state] target: 0x%02X\n", UI_generic_onoff.target_onoff);
        CONSOLE_OUT("[state] remaining_time: 0x%02X\n", UI_generic_onoff.transition_time);
        generic_onoff_set_pl(param_p->onoff);
        /* Ignoring Instance and direction right now */
    }
    break;

    default:
        break;
    }

    return retval;
}

/* Model state Initialization */
void UI_model_states_initialization(void)
{
    /* Generic OnOff States */
    UI_generic_onoff_model_states_initialization();
}

/* Generic OnOff Model Server */
/**
    \brief Server Application Asynchronous Notification Callback.

    \par Description
    Generic_Onoff server calls the registered callback to indicate events occurred to the application.

    \param [in] ctx           Context of message received for a specific model instance.
    \param [in] msg_raw       Uninterpreted/raw received message.
    \param [in] req_type      Requested message type.
    \param [in] state_params  Model specific state parameters.
    \param [in] ext_params    Additional parameters.
*/
API_RESULT UI_generic_onoff_server_cb
(
    /* IN */ MS_ACCESS_MODEL_REQ_MSG_CONTEXT*     ctx,
    /* IN */ MS_ACCESS_MODEL_REQ_MSG_RAW*         msg_raw,
    /* IN */ MS_ACCESS_MODEL_REQ_MSG_T*           req_type,
    /* IN */ MS_ACCESS_MODEL_STATE_PARAMS*        state_params,
    /* IN */ MS_ACCESS_MODEL_EXT_PARAMS*          ext_params
)
{
    MS_STATE_GENERIC_ONOFF_STRUCT    param;
    MS_ACCESS_MODEL_STATE_PARAMS     current_state_params;
    API_RESULT                       retval;
    retval = API_SUCCESS;

    /* Check message type */
    if (MS_ACCESS_MODEL_REQ_MSG_T_GET == req_type->type)
    {
        CONSOLE_OUT("[GENERIC_ONOFF] GET Request.\n");
        UI_generic_onoff_model_state_get(state_params->state_type, 0, &param, 0);
        current_state_params.state_type = state_params->state_type;
        current_state_params.state = &param;
        /* Using same as target state and remaining time as 0 */
    }
    else if (MS_ACCESS_MODEL_REQ_MSG_T_SET == req_type->type)
    {
        CONSOLE_OUT("[GENERIC_ONOFF] SET Request.\n");
        retval = UI_generic_onoff_model_state_set(state_params->state_type, 0, (MS_STATE_GENERIC_ONOFF_STRUCT*)state_params->state, 0);
        current_state_params.state_type = state_params->state_type;
        current_state_params.state = (MS_STATE_GENERIC_ONOFF_STRUCT*)state_params->state;
    }

    /* See if to be acknowledged */
    if (0x01 == req_type->to_be_acked)
    {
        CONSOLE_OUT("[GENERIC_ONOFF] Sending Response.\n");
        /* Parameters: Request Context, Current State, Target State (NULL: to be ignored), Remaining Time (0: to be ignored), Additional Parameters (NULL: to be ignored) */
        retval = MS_generic_onoff_server_state_update(ctx, &current_state_params, NULL, 0, NULL);
    }

    return retval;
}

API_RESULT UI_register_generic_onoff_model_server
(
    MS_ACCESS_ELEMENT_HANDLE element_handle
)
{
    /* Generic OnOff Server */
    MS_ACCESS_MODEL_HANDLE   UI_generic_onoff_server_model_handle;
    API_RESULT retval;
    CONSOLE_OUT("In Generic OnOff Model Server\n");
    retval = MS_generic_onoff_server_init
             (
                 element_handle,
                 &UI_generic_onoff_server_model_handle,
                 UI_generic_onoff_server_cb
             );

    if (API_SUCCESS == retval)
    {
        CONSOLE_OUT(
            "Generic Onoff Server Initialized. Model Handle: 0x%04X\n",
            UI_generic_onoff_server_model_handle);
    }
    else
    {
        CONSOLE_OUT(
            "[ERR] Generic Onoff Server Initialization Failed. Result: 0x%04X\n",
            retval);
    }

    return retval;
}

void UI_lpn_seek_friend(void);
void UI_frndsetup_cb(MS_SUBNET_HANDLE subnet, UCHAR event_type, UINT16 status)
{
    API_RESULT retval;
    UINT16 num_subaddr;
    UINT16 subaddr[5];
    CONSOLE_OUT("\nFriendship Event 0x%02X on Subnet 0x%04X - 0x%04X\n",
                event_type, subnet, status);

    switch (event_type)
    {
    case MS_TRN_FRIEND_SETUP_CNF:
        CONSOLE_OUT("Recvd MS_TRN_FRIEND_SETUP_CNF - 0x%04X\n", status);

        if (API_SUCCESS == status)
        {
            /* Get the subscription list */
            num_subaddr = sizeof(subaddr) / sizeof(UINT16);
            MS_access_cm_get_all_model_subscription_list(&num_subaddr, subaddr);

            if (0 < num_subaddr)
            {
                CONSOLE_OUT("Initiating FriendSubscriptionListAdd - %d addr\n", num_subaddr);
                retval = MS_trn_lpn_subscrn_list_add(subaddr, num_subaddr);
                CONSOLE_OUT("Retval - 0x%04X\n", retval);
            }
        }
        else
        {
            CONSOLE_OUT("Friendship Setup Failure%04X\n", status);
            UI_lpn_seek_friend();
        }

        break;

    case MS_TRN_FRIEND_SUBSCRNLIST_CNF:
        CONSOLE_OUT("Recvd MS_TRN_FRIEND_SUBSCRNLIST_CNF - 0x%04X\n", status);
        break;

    case MS_TRN_FRIEND_CLEAR_CNF:
        CONSOLE_OUT("Recvd MS_TRN_FRIEND_CLEAR_CNF - 0x%04X\n", status);
        break;

    case MS_TRN_FRIEND_TERMINATE_IND:
        CONSOLE_OUT("Recvd MS_TRN_FRIEND_TERMINATE_IND - 0x%04X\n", status);
        /* Enable Friend feature */
        MS_ENABLE_FRIEND_FEATURE();
        break;

    default:
        break;
    }
}

void UI_lpn_seek_friend (void)
{
    API_RESULT retval;
    /* Disable Friend feature */
    MS_DISABLE_FRIEND_FEATURE();
    /* Enable LPN feature */
    MS_ENABLE_LPN_FEATURE();
    CONSOLE_OUT ("Requesting for friendship...\n");
    retval = MS_trn_lpn_setup_friendship
             (
                 0x00,
                 UI_FRND_CRITERIA,
                 UI_FRND_RECEIVE_DELAY_MS,
                 UI_FRND_POLLTIMEOUT_100MS,
                 UI_FRND_SETUPTIMEOUT,
                 UI_frndsetup_cb
             );
    CONSOLE_OUT ("Retval - 0x%04X\n", retval);
    return;
}


/* Provisionee */
#define UI_PROV_OUTPUT_OOB_ACTIONS \
    (PROV_MASK_OOOB_ACTION_BLINK | PROV_MASK_OOOB_ACTION_BEEP | \
     PROV_MASK_OOOB_ACTION_VIBRATE | PROV_MASK_OOOB_ACTION_NUMERIC | \
     PROV_MASK_OOOB_ACTION_ALPHANUMERIC)

/** Output OOB Maximum size supported */
#define UI_PROV_OUTPUT_OOB_SIZE               0x08

/** Input OOB Actions supported */
#define UI_PROV_INPUT_OOB_ACTIONS \
    (PROV_MASK_IOOB_ACTION_PUSH | PROV_MASK_IOOB_ACTION_TWIST | \
     PROV_MASK_IOOB_ACTION_NUMERIC | PROV_MASK_IOOB_ACTION_ALPHANUMERIC)

/** Input OOB Maximum size supported */
#define UI_PROV_INPUT_OOB_SIZE                0x08

/** Beacon setup timeout in seconds */
#define UI_PROV_SETUP_TIMEOUT_SECS            30

/** Attention timeout for device in seconds */
#define UI_PROV_DEVICE_ATTENTION_TIMEOUT      30

#define PROV_AUTHVAL_SIZE_PL                  16

/** Authentication values for OOB Display - To be made random */
#define UI_DISPLAY_AUTH_DIGIT                 3
#define UI_DISPLAY_AUTH_NUMERIC               35007
#define UI_DISPLAY_AUTH_STRING                "f00l"

/** Provisioning capabilities of local device */
DECL_STATIC PROV_CAPABILITIES_S UI_prov_capab =
{
    /** Number of Elements */
    0x01,

    /** Supported algorithms */
    PROV_MASK_ALGO_EC_FIPS_P256,

    /** Public key type */
    PROV_MASK_PUBKEY_OOBINFO,

    /** Static OOB type */
    PROV_MASK_STATIC_OOBINFO,

    /** Output OOB information */
    { UI_PROV_OUTPUT_OOB_ACTIONS, UI_PROV_OUTPUT_OOB_SIZE },

    /** Input OOB information */
    { UI_PROV_INPUT_OOB_ACTIONS, UI_PROV_INPUT_OOB_SIZE },
};

/** Unprovisioned device identifier */
PROV_DEVICE_S UI_lprov_device =
{
    /** UUID */
    {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF},

    /** OOB Flag */
    0x00,

    /**
        Encoded URI Information
        For example, to give a web address, "https://www.abc.com"
        the URI encoded data would be -
        0x17 0x2F 0x2F 0x77 0x77 0x77 0x2E 0x61 0x62 0x63 0x2E 0x63 0x6F 0x6D
        where 0x17 is the URI encoding for https:
    */
    NULL
};

/** Data exchanged during Provisiong procedure */
DECL_STATIC PROV_DATA_S UI_prov_data =
{
    /** NetKey */
    { 0x45, 0x74, 0x68, 0x65, 0x72, 0x4d, 0x69, 0x6e, 0x64, 0x4e, 0x65, 0x74, 0x4b, 0x65, 0x79, 0x00 },

    /** Index of the NetKey */
    0x0000,

    /** Flags bitmask */
    0x00,

    /** Current value of the IV index */
    0x00000001,

    /** Unicast address of the primary element */
    0x0002
};


/** Current role of application - Provisioner/Device */
DECL_STATIC UCHAR UI_prov_role;

/** Provisioning Handle */
DECL_STATIC PROV_HANDLE UI_prov_handle;

API_RESULT UI_prov_callback
(
    PROV_HANDLE* phandle,
    UCHAR         event_type,
    API_RESULT    event_result,
    void*         event_data,
    UINT16        event_datalen
)
{
    PROV_DEVICE_S* rdev;
    PROV_CAPABILITIES_S* rcap;
    PROV_DATA_S* rdata;
    PROV_OOB_TYPE_S* oob_info;
    API_RESULT retval;
    UCHAR i;
    UCHAR authstr[PROV_AUTHVAL_SIZE_PL << 1];
    UINT32 authnum;
    UCHAR authtype;
    UCHAR* pauth;
    UINT16 authsize;
    UCHAR  pdata[(MS_DEVICE_UUID_SIZE * 2) + 1];
    UCHAR*   t_data;

    switch (event_type)
    {
    case PROV_EVT_PROVISIONING_SETUP:
        CONSOLE_OUT("Recvd PROV_EVT_PROVISIONING_SETUP\n");
        CONSOLE_OUT("Status - 0x%04X\n", event_result);
        /* Display the attention timeout */
        CONSOLE_OUT("Attention TImeout - %d\n", *((UCHAR*)event_data));
        break;

    case PROV_EVT_OOB_DISPLAY:
        CONSOLE_OUT("Recvd PROV_EVT_OOB_DISPLAY\n");
        CONSOLE_OUT("Status - 0x%04X\n", event_result);
        /* Reference the Authenticatio Type information */
        oob_info = (PROV_OOB_TYPE_S*)event_data;
        CONSOLE_OUT("Authenticaion Action - 0x%02X\n", oob_info->action);
        CONSOLE_OUT("Authenticaion Size - 0x%02X\n", oob_info->size);

        /* If role is Device, the action is of Output OOB, else Input OOB */
        if (PROV_ROLE_DEVICE == UI_prov_role)
        {
            if (PROV_OOOB_ACTION_ALPHANUMERIC == oob_info->action)
            {
                authtype = 1;
            }
            else if (PROV_OOOB_ACTION_NUMERIC == oob_info->action)
            {
                authtype = 2;
            }
            else
            {
                authtype = 0;
            }
        }
        else
        {
            if (PROV_IOOB_ACTION_ALPHANUMERIC == oob_info->action)
            {
                authtype = 1;
            }
            else if (PROV_IOOB_ACTION_NUMERIC == oob_info->action)
            {
                authtype = 2;
            }
            else
            {
                authtype = 0;
            }
        }

        if (1 == authtype)
        {
            EM_str_copy (authstr, UI_DISPLAY_AUTH_STRING);
            CONSOLE_OUT("\n\n>>> AuthVal - %s <<<\n\n", authstr);
            pauth = authstr;
            authsize = EM_str_len(authstr);
        }
        else if (2 == authtype)
        {
            authnum = (UINT32)UI_DISPLAY_AUTH_NUMERIC;
            CONSOLE_OUT("\n\n>>> AuthVal - %d <<<\n\n", authnum);
            pauth = (UCHAR*)&authnum;
            authsize = sizeof(UINT32);
        }
        else
        {
            authnum = (UINT32)UI_DISPLAY_AUTH_DIGIT;
            CONSOLE_OUT("\n\n>>> AuthVal - %d <<<\n\n", authnum);
            pauth = (UCHAR*)&authnum;
            authsize = sizeof(UINT32);
        }

        /* Call to input the oob */
        CONSOLE_OUT("Setting the Authval...\n");
        retval = MS_prov_set_authval(&UI_prov_handle, pauth, authsize);
        CONSOLE_OUT("Retval - 0x%04X\n", retval);
        break;

    case PROV_EVT_OOB_ENTRY:
        CONSOLE_OUT("Recvd PROV_EVT_OOB_ENTRY\n");
        CONSOLE_OUT("Status - 0x%04X\n", event_result);
        /* Reference the Authenticatio Type information */
        oob_info = (PROV_OOB_TYPE_S*)event_data;
        CONSOLE_OUT("Authenticaion Action - 0x%02X\n", oob_info->action);
        CONSOLE_OUT("Authenticaion Size - 0x%02X\n", oob_info->size);
        break;

    case PROV_EVT_DEVINPUT_COMPLETE:
        CONSOLE_OUT("Recvd PROV_EVT_DEVINPUT_COMPLETE\n");
        CONSOLE_OUT("Status - 0x%04X\n", event_result);
        break;

    case PROV_EVT_PROVDATA_INFO:
        CONSOLE_OUT("Recvd PROV_EVT_PROVDATA_INFO\n");
        CONSOLE_OUT("Status - 0x%04X\n", event_result);
        /* Reference the Provisioning Data */
        rdata = (PROV_DATA_S*)event_data;
        CONSOLE_OUT("NetKey  : ");
        appl_dump_bytes(rdata->netkey, PROV_KEY_NETKEY_SIZE);
        CONSOLE_OUT("Key ID  : 0x%04X\n", rdata->keyid);
        CONSOLE_OUT("Flags   : 0x%02X\n", rdata->flags);
        CONSOLE_OUT("IVIndex : 0x%08X\n", rdata->ivindex);
        CONSOLE_OUT("UAddr   : 0x%04X\n", rdata->uaddr);
        /* Provide Provisioning Data to Access Layer */
        MS_access_cm_set_prov_data
        (
            rdata
        );
        break;

    case PROV_EVT_PROVISIONING_COMPLETE:
        CONSOLE_OUT("Recvd PROV_EVT_PROVISIONING_COMPLETE\n");
        CONSOLE_OUT("Status - 0x%04X\n", event_result);

        if (API_SUCCESS == event_result)
        {
            /* Already Set while handling PROV_EVT_PROVDATA_INFO */
        }

        break;

    default:
        CONSOLE_OUT("Unknown Event - 0x%02X\n", event_type);
    }

    return API_SUCCESS;
}

void UI_register_prov(void)
{
    API_RESULT retval;
    CONSOLE_OUT("Registering with Provisioning layer...\n");
    retval = MS_prov_register(&UI_prov_capab, UI_prov_callback);
    CONSOLE_OUT("Retval - 0x%04X\n", retval);
}

void UI_setup_prov(UCHAR role, UCHAR brr)
{
    API_RESULT retval;

    if (PROV_ROLE_PROVISIONER != role)
    {
        CONSOLE_OUT("Setting up Device for Provisioning ...\n");
        retval = MS_prov_setup
                 (
                     brr,
                     role,
                     &UI_lprov_device,
                     UI_PROV_SETUP_TIMEOUT_SECS
                 );
        UI_prov_role = PROV_ROLE_DEVICE;
    }
    else
    {
        CONSOLE_OUT("Setting up Provisioner for Provisioning ...\n");
        retval = MS_prov_setup
                 (
                     brr,
                     role,
                     NULL,
                     UI_PROV_SETUP_TIMEOUT_SECS
                 );
        UI_prov_role = PROV_ROLE_PROVISIONER;
    }

    CONSOLE_OUT("Retval - 0x%04X\n", retval);
}

void UI_prov_bind(UCHAR brr, UCHAR index)
{
    API_RESULT retval;
    /* Call to bind with the selected device */
    CONSOLE_OUT("Binding with the selected device...\n");
    retval = MS_prov_bind(brr, &UI_lprov_device, UI_PROV_DEVICE_ATTENTION_TIMEOUT, &UI_prov_handle);
    CONSOLE_OUT("Retval - 0x%04X\n", retval);
}

void appl_mesh_sample (void)
{
    MS_ACCESS_NODE_ID node_id;
    MS_ACCESS_ELEMENT_DESC   element;
    MS_ACCESS_ELEMENT_HANDLE element_handle;
    API_RESULT retval;
    UCHAR role, brr;
    MS_CONFIG* config_ptr;
    #ifdef MS_HAVE_DYNAMIC_CONFIG
    MS_CONFIG  config;
    /* Initialize dynamic configuration */
    MS_INIT_CONFIG(config);
    config_ptr = &config;
    #else
    config_ptr = NULL;
    #endif /* MS_HAVE_DYNAMIC_CONFIG */
    /* Initialize OSAL */
    EM_os_init();
    /* Initialize Debug Module */
    EM_debug_init();
    /* Initialize Timer Module */
    EM_timer_init();
    timer_em_init();
    /* Initialize utilities */
    nvsto_init();
    /* Initialize Mesh Stack */
    MS_init(config_ptr);
    /* Register with underlying BLE stack */
    blebrr_register();
    /* Create Node */
    retval = MS_access_create_node(&node_id);
    /* Register Element */
    /**
        TBD: Define GATT Namespace Descriptions from
        https://www.bluetooth.com/specifications/assigned-numbers/gatt-namespace-descriptors

        Using 'main' (0x0106) as Location temporarily.
    */
    element.loc = 0x0106;
    retval = MS_access_register_element
             (
                 node_id,
                 &element,
                 &element_handle
             );

    if (API_SUCCESS == retval)
    {
        /* Register foundation model servers */
        retval = UI_register_foundation_model_servers(element_handle);
    }

    if (API_SUCCESS == retval)
    {
        /* Register Generic OnOff model server */
        retval = UI_register_generic_onoff_model_server(element_handle);
    }

    if (API_SUCCESS == retval)
    {
        /* Initialize model states */
        UI_model_states_initialization();
    }

    /* Configure as provisionee/device */
    UI_register_prov();
    /**
        setup <role:[1 - Device, 2 - Provisioner]> <bearer:[1 - Adv, 2 - GATT]
    */
    role = PROV_ROLE_DEVICE;
    brr = PROV_BRR_ADV;
    UI_setup_prov(role, brr);
    UI_prov_bind(brr, 0x00);
    /* Enable Friend feature */
    MS_ENABLE_FRIEND_FEATURE();
    return;
}

#endif /* (MESH_STANDALONE == 10) */
