/**
 ****************************************************************************************
 * @addtogroup HRPC
 * @{
 ****************************************************************************************
 */

/*
 * INCLUDE FILES
 ****************************************************************************************
 */
#include "rwip_config.h"

#if (BLE_HR_COLLECTOR)

#include "hrp_common.h"
#include "hrpc.h"
#include "hrpc_task.h"

#include "ke_mem.h"
#include "co_utils.h"

#include "ke_mem.h"
#include "co_utils.h"

/*
 * LOCAL FUNCTIONS DEFINITIONS
 ****************************************************************************************
 */

/**
 ****************************************************************************************
 * @brief Initialization of the HRPC module.
 * This function performs all the initializations of the Profile module.
 *  - Creation of database (if it's a service)
 *  - Allocation of profile required memory
 *  - Initialization of task descriptor to register application
 *      - Task State array
 *      - Number of tasks
 *      - Default task handler
 *
 * @param[out]    env        Collector or Service allocated environment data.
 * @param[in|out] start_hdl  Service start handle (0 - dynamically allocated), only applies for services.
 * @param[in]     app_task   Application task number.
 * @param[in]     sec_lvl    Security level (AUTH, EKS and MI field of @see enum attm_value_perm_mask)
 * @param[in]     param      Configuration parameters of profile collector or service (32 bits aligned)
 *
 * @return status code to know if profile initialization succeed or not.
 ****************************************************************************************
 */
static uint8_t hrpc_init(struct prf_task_env* env, uint16_t* start_hdl, uint16_t app_task, uint8_t sec_lvl,  void* params)
{
    uint8_t idx;
    //-------------------- allocate memory required for the profile  ---------------------

    struct hrpc_env_tag* hrpc_env =
            (struct hrpc_env_tag* ) ke_malloc(sizeof(struct hrpc_env_tag), KE_MEM_ATT_DB);

    // allocate HRPC required environment variable
    env->env = (prf_env_t*) hrpc_env;

    hrpc_env->prf_env.app_task = app_task
            | (PERM_GET(sec_lvl, SVC_MI) ? PERM(PRF_MI, ENABLE) : PERM(PRF_MI, DISABLE));
    hrpc_env->prf_env.prf_task = env->task | PERM(PRF_MI, ENABLE);

    // initialize environment variable
    env->id                     = TASK_ID_HRPC;
    hrpc_task_init(&(env->desc));

    for(idx = 0; idx < HRPC_IDX_MAX ; idx++)
    {
        hrpc_env->env[idx] = NULL;
        // service is ready, go into an Idle state
        ke_state_set(KE_BUILD_ID(env->task, idx), HRPC_FREE);
    }

    return GAP_ERR_NO_ERROR;
}

/**
 ****************************************************************************************
 * @brief Clean-up connection dedicated environment parameters
 * This function performs cleanup of ongoing operations
 * @param[in|out]    env        Collector or Service allocated environment data.
 * @param[in]        conidx     Connection index
 * @param[in]        reason     Detach reason
 ****************************************************************************************
 */
static void hrpc_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
{
    struct hrpc_env_tag* hrpc_env = (struct hrpc_env_tag*) env->env;

    // clean-up environment variable allocated for task instance
    if(hrpc_env->env[conidx] != NULL)
    {
        ke_free(hrpc_env->env[conidx]);
        hrpc_env->env[conidx] = NULL;
    }

    /* Put HRP Client in Free state */
    ke_state_set(KE_BUILD_ID(env->task, conidx), HRPC_FREE);
}

/**
 ****************************************************************************************
 * @brief Destruction of the HRPC module - due to a reset for instance.
 * This function clean-up allocated memory (attribute database is destroyed by another
 * procedure)
 *
 * @param[in|out]    env        Collector or Service allocated environment data.
 ****************************************************************************************
 */
static void hrpc_destroy(struct prf_task_env* env)
{
    uint8_t idx;
    struct hrpc_env_tag* hrpc_env = (struct hrpc_env_tag*) env->env;

    // cleanup environment variable for each task instances
    for(idx = 0; idx < HRPC_IDX_MAX ; idx++)
    {
        hrpc_cleanup(env, idx, 0);
    }

    // free profile environment variables
    env->env = NULL;
    ke_free(hrpc_env);
}

/**
 ****************************************************************************************
 * @brief Handles Connection creation
 *
 * @param[in|out]    env        Collector or Service allocated environment data.
 * @param[in]        conidx     Connection index
 ****************************************************************************************
 */
static void hrpc_create(struct prf_task_env* env, uint8_t conidx)
{
    /* Put HRP Client in Idle state */
    ke_state_set(KE_BUILD_ID(env->task, conidx), HRPC_IDLE);
}

/// HRPC Task interface required by profile manager
const struct prf_task_cbs hrpc_itf =
{
        hrpc_init,
        hrpc_destroy,
        hrpc_create,
        hrpc_cleanup,
};

/*
 * GLOBAL FUNCTIONS DEFINITIONS
 ****************************************************************************************
 */

const struct prf_task_cbs* hrpc_prf_itf_get(void)
{
   return &hrpc_itf;
}


/*
 * EXPORTED FUNCTIONS DEFINITIONS
 ****************************************************************************************
 */

void hrpc_enable_rsp_send(struct hrpc_env_tag *hrpc_env, uint8_t conidx, uint8_t status)
{
    //send APP the details of the discovered attributes on HTPT
    struct hrpc_enable_rsp * rsp = KE_MSG_ALLOC(
            HRPC_ENABLE_RSP,
            prf_dst_task_get(&(hrpc_env->prf_env), conidx),
            prf_src_task_get(&(hrpc_env->prf_env), conidx),
            hrpc_enable_rsp);

    rsp->status = status;

    if (status == GAP_ERR_NO_ERROR)
    {
        rsp->hrs = hrpc_env->env[conidx]->hrs;
        //register HRPC task in gatt for indication/notifications
        prf_register_atthdl2gatt(&hrpc_env->prf_env, conidx, &hrpc_env->env[conidx]->hrs.svc);
        // Go to connected state
        ke_state_set(prf_src_task_get(&(hrpc_env->prf_env), conidx), HRPC_IDLE);
    }

    ke_msg_send(rsp);
}

void hrpc_unpack_meas_value(struct hrs_hr_meas* pmeas_val, uint8_t* packed_hr, uint8_t size)
{
    int8_t cursor = 0;
    int8_t i = 0;

    // Heart Rate measurement flags
    pmeas_val->flags = packed_hr[0];
    cursor += 1;

    if ((pmeas_val->flags & HRS_FLAG_HR_16BITS_VALUE) == HRS_FLAG_HR_16BITS_VALUE)
    {
        // Heart Rate Measurement Value 16 bits
        pmeas_val->heart_rate = co_read16p(&packed_hr[cursor]);
        cursor += 2;
    }
    else
    {
        // Heart Rate Measurement Value 8 bits
        pmeas_val->heart_rate = (uint16_t) packed_hr[cursor];
        cursor += 1;
    }

    if ((pmeas_val->flags & HRS_FLAG_ENERGY_EXPENDED_PRESENT) == HRS_FLAG_ENERGY_EXPENDED_PRESENT)
    {
        // Energy Expended present
        pmeas_val->energy_expended = co_read16p(&packed_hr[cursor]);
        cursor += 2;
    }

    // retrieve number of rr intervals
    pmeas_val->nb_rr_interval = ((size - cursor) > 0 ? ((size - cursor)/ 2) : (0));

    for(i = 0 ; (i < (pmeas_val->nb_rr_interval)) && (i < (HRS_MAX_RR_INTERVAL)) ; i++)
    {
        // RR-Intervals
        pmeas_val->rr_intervals[i] = co_read16p(&packed_hr[cursor]);
        cursor += 2;
    }
}

void hrpc_error_ind_send(struct hrpc_env_tag *hrpc_env, uint8_t conidx, uint8_t status)
{

}

#endif /* (BLE_HR_COLLECTOR) */

/// @} HRPC