#!/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.temperature import *  # pylint: disable=wildcard-import,unused-wildcard-import


def parse_casa_info_temp(info):
    entity_names = {int(k): v for k, v in (x for x in info[0])}
    temp_value = {int(k): v for k, v in (x for x in info[1])}
    temp_status = {int(k): v for k, v in (x for x in info[2])}
    temp_unit = {int(k): v for k, v in (x for x in info[3])}
    data = {}
    for entry in info[1]:
        entry_nr = int(entry[0])

        def beautify_module_text(text):
            text = text.replace("temperature sensor", "")
            if text.startswith("Module "):
                text = text.rsplit(None, 1)[0]  # Drop trailing " CPU"
            return text

        data[beautify_module_text(entity_names[entry_nr])] = {
            "temp_value": temp_value.get(entry_nr),
            "temp_status": temp_status.get(entry_nr),
            "temp_unit": temp_unit.get(entry_nr),
        }
    return data


def inventory_casa_cpu_temp(parsed):
    for key, value in parsed.items():
        if value.get("temp_value"):
            yield key, None


def check_casa_cpu_temp(item, params, parsed):
    if item in parsed:
        if parsed[item]["temp_status"] == "1":
            value = float(parsed[item]["temp_value"]) / 10
            return check_temperature(value, params, "case_cpu_temp_%s" % item)
        return (2, "Sensor failure!", [])


check_info["casa_cpu_temp"] = {
    "check_function": check_casa_cpu_temp,
    "inventory_function": inventory_casa_cpu_temp,
    "parse_function": parse_casa_info_temp,
    "service_description": "Temperature CPU %s",
    "group": "temperature",
    "has_perfdata": True,
    "snmp_scan_function": lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.20858.2."),
    "snmp_info": [
        (".1.3.6.1.2.1.47.1.1.1.1.2", [OID_END, ""]),  # Entity descriptions, quite long...
        (".1.3.6.1.2.1.99.1.1.1.4", [OID_END, ""]),  # Temperatures, Value
        (".1.3.6.1.2.1.99.1.1.1.5", [OID_END, ""]),  # Temperatures, Status
        (".1.3.6.1.2.1.99.1.1.1.6", [OID_END, ""]),  # Temperatures, Unit
    ],
}
