#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (C) 2019 tribe29 GmbH - License: GNU General Public License v2
# This file is part of Checkmk (https://checkmk.com). It is subject to the terms and
# conditions defined in the file COPYING, which is part of this source code package.

# NOTE: Careful when replacing the *-import below with a more specific import. This can cause
# problems because it might remove variables from the check-context which are necessary for
# resolving legacy discovery results such as [("SUMMARY", "diskstat_default_levels")]. Furthermore,
# it might also remove variables needed for accessing discovery rulesets.
from cmk.base.check_legacy_includes.hitachi_hnas import *  # pylint: disable=wildcard-import,unused-wildcard-import

# NOTE: Careful when replacing the *-import below with a more specific import. This can cause
# problems because it might remove variables from the check-context which are necessary for
# resolving legacy discovery results such as [("SUMMARY", "diskstat_default_levels")]. Furthermore,
# it might also remove variables needed for accessing discovery rulesets.
from cmk.base.check_legacy_includes.temperature import *  # pylint: disable=wildcard-import,unused-wildcard-import


def format_hitachi_hnas_name(nodeid, sensorid, new_format):
    # net item format is used in 1.2.7i? and newer
    if new_format:
        return "Node %s Sensor %s" % (nodeid, sensorid)
    return "%s.%s" % (nodeid, sensorid)


def inventory_hitachi_hnas_temp(info):
    for clusternode, id_, _status, _temp in info:
        yield format_hitachi_hnas_name(clusternode, id_, True), None


def check_hitachi_hnas_temp(item, params, info):
    temp_status_map = (
        ("", 3),  # 0
        ("ok", 0),  # 1
        ("tempWarning", 1),  # 2
        ("tempSevere", 2),  # 3
        ("tempSensorFailed", 2),  # 4
        ("tempSensorWarning", 1),  # 5
        ("unknown", 3),  # 6
    )

    for clusternode, id_, status, temp in info:
        new_format = item.startswith("Node")
        if format_hitachi_hnas_name(clusternode, id_, new_format) == item:
            status = int(status)
            temp = int(temp)

            if status == 0 or status >= len(temp_status_map):
                return 3, "unidentified status %s" % status, []

            return check_temperature(
                temp,
                params,
                "hitachi_hnas_temp_%s" % item,
                dev_status=temp_status_map[status][1],
                dev_status_name="Unit: %s" % temp_status_map[status][0],
            )
    return 3, "No sensor found", []


check_info["hitachi_hnas_temp"] = {
    "check_function": check_hitachi_hnas_temp,
    "inventory_function": inventory_hitachi_hnas_temp,
    "service_description": "Temperature %s",
    "has_perfdata": True,
    "snmp_info": (
        ".1.3.6.1.4.1.11096.6.1.1.1.2.1.9.1",
        [
            1,  # temperatureSensorClusterNode
            2,  # temperatureSensorIndex
            3,  # temperatureSensorStatus
            4,  # temperatureSensorCReading
        ],
    ),
    "snmp_scan_function": hitachin_hnas_scan_function,
    "group": "temperature",
}
