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


def inventory_statgrab_cpu(info):
    if len(info) > 1:
        return [(None, {})]


def check_statgrab_cpu(_no_item, params, info):
    if not params:
        params = {}

    user = 0
    nice = 0
    system = 0
    idle = 0
    iowait = 0
    for var, value in info:
        if var == "user":
            user = int(value)
        elif var == "nice":
            nice = int(value)
        elif var == "kernel":
            system = int(value)
        elif var == "idle":
            idle = int(value)
        elif var == "iowait":
            iowait = int(value)

    values = CPUInfo("cpu", user, nice, system, idle, iowait)

    return check_cpu_util_unix(values, params)


check_info["statgrab_cpu"] = {
    "check_function": check_statgrab_cpu,
    "inventory_function": inventory_statgrab_cpu,
    "service_description": "CPU utilization",
    "has_perfdata": True,
    "group": "cpu_iowait",
}
