/************************************************************
 * <bsn.cl fy=2014 v=onl>
 *
 *           Copyright 2014, 2015 Big Switch Networks, Inc.
 *           Copyright 2016 Accton Technology Corporation.
 *
 * Licensed under the Eclipse Public License, Version 1.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *        http://www.eclipse.org/legal/epl-v10.html
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the
 * License.
 *
 * </bsn.cl>
 ************************************************************
 *
 * Thermal Sensor Platform Implementation.
 *
 ***********************************************************/
#include <unistd.h>
#include <onlplib/mmap.h>
#include <onlplib/file.h>
#include <onlp/platformi/thermali.h>
#include <fcntl.h>
#include "platform_lib.h"
#include "arm_accton_as4610_log.h"

#define prefix_path "/sys/bus/i2c/devices/"
#define LOCAL_DEBUG 0

#define VALIDATE(_id)                           \
    do {                                        \
        if(!ONLP_OID_IS_THERMAL(_id)) {         \
            return ONLP_STATUS_E_INVALID;       \
        }                                       \
    } while(0)

#define OPEN_READ_FILE(fd,fullpath,data,nbytes,len) \
    DEBUG_PRINT("[Debug][%s][%d][openfile: %s]\n", __FUNCTION__, __LINE__, fullpath); \
    if ((fd = open(fullpath, O_RDONLY)) == -1)  \
       return ONLP_STATUS_E_INTERNAL;           \
    if ((len = read(fd, r_data, nbytes)) <= 0){ \
        close(fd);                              \
        return ONLP_STATUS_E_INTERNAL;}         \
    DEBUG_PRINT("[Debug][%s][%d][read data: %s]\n", __FUNCTION__, __LINE__, r_data); \
    if (close(fd) == -1)                        \
        return ONLP_STATUS_E_INTERNAL

enum onlp_thermal_id
{
    THERMAL_RESERVED = 0,
    THERMAL_1_ON_MAIN_BROAD,
    THERMAL_1_ON_PSU1,
    THERMAL_1_ON_PSU2,
};

static char* last_path[] =  /* must map with onlp_thermal_id */
{
    "reserved",
    "9-0048*temp1_input",
    "8-0058*psu_temp1_input",
    "8-0059*psu_temp1_input",
};

/* Static values */
static onlp_thermal_info_t linfo[] = {
	{ }, /* Not used */
    { { ONLP_THERMAL_ID_CREATE(THERMAL_1_ON_MAIN_BROAD), "Chassis Thermal Sensor 1", 0},
            ONLP_THERMAL_STATUS_PRESENT,
            ONLP_THERMAL_CAPS_ALL, 0, ONLP_THERMAL_THRESHOLD_INIT_DEFAULTS
    },
	{ { ONLP_THERMAL_ID_CREATE(THERMAL_1_ON_PSU1), "PSU-1 Thermal Sensor 1", ONLP_PSU_ID_CREATE(1)},
	    ONLP_THERMAL_STATUS_PRESENT,
            ONLP_THERMAL_CAPS_ALL, 0, ONLP_THERMAL_THRESHOLD_INIT_DEFAULTS
    },
	{ { ONLP_THERMAL_ID_CREATE(THERMAL_1_ON_PSU2), "PSU-2 Thermal Sensor 1", ONLP_PSU_ID_CREATE(2)},
	    ONLP_THERMAL_STATUS_PRESENT,
            ONLP_THERMAL_CAPS_ALL, 0, ONLP_THERMAL_THRESHOLD_INIT_DEFAULTS
    }
};

/*
 * This will be called to intiialize the thermali subsystem.
 */
int
onlp_thermali_init(void)
{
    return ONLP_STATUS_OK;
}

/*
 * Retrieve the information structure for the given thermal OID.
 *
 * If the OID is invalid, return ONLP_E_STATUS_INVALID.
 * If an unexpected error occurs, return ONLP_E_STATUS_INTERNAL.
 * Otherwise, return ONLP_STATUS_OK with the OID's information.
 *
 * Note -- it is expected that you fill out the information
 * structure even if the sensor described by the OID is not present.
 */
int
onlp_thermali_info_get(onlp_oid_t id, onlp_thermal_info_t* info)
{
    int   local_id;
    VALIDATE(id);

    local_id = ONLP_OID_ID_GET(id);
    DEBUG_PRINT("\n[Debug][%s][%d][local_id: %d]", __FUNCTION__, __LINE__, local_id);

    /* Set the onlp_oid_hdr_t and capabilities */
    *info = linfo[local_id];

    /* get fullpath */
    onlp_file_read_int(&info->mcelsius, "%s%s", prefix_path, last_path[local_id]);
    //sprintf(fullpath, "%s%s", prefix_path, last_path[local_id]);
    //AIM_LOG_MSG("%s", fullpath);
    //OPEN_READ_FILE(fd, fullpath, r_data, nbytes, len);
    //info->mcelsius = atoi(r_data) / temp_base;
    DEBUG_PRINT("\n[Debug][%s][%d][save data: %d]\n", __FUNCTION__, __LINE__, info->mcelsius);

    return ONLP_STATUS_OK;
}
