#!/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.

factory_settings["ibm_imm_fan_default_levels"] = {
    "levels_lower": (28, 25),  # Just a guess. Please give feedback.
}


def inventory_ibm_imm_fan(info):
    for descr, speed_text in info:
        if speed_text.lower() != "offline":
            yield descr, {}


def check_ibm_imm_fan(item, params, info):
    for descr, speed_text in info:
        if descr == item:

            if speed_text.lower() in ["offline", "unavailable"]:
                yield 2, "is %s" % speed_text.lower()
                return

            # speed_text can be "34 %", or "34%", or "34 % of maximum"
            # or simply a text without quotes..
            rpm_perc = int(speed_text.strip().replace('["%]', " ").replace("%", " ").split(" ")[0])
            yield 0, "%d%% of max RPM" % rpm_perc

            warn_lower, crit_lower = params["levels_lower"]
            warn, crit = params.get("levels", (None, None))

            if warn_lower:
                if rpm_perc < crit_lower:
                    state = 2
                elif rpm_perc < warn_lower:
                    state = 1
                else:
                    state = 0
                if state > 0:
                    yield state, "too low (warn/crit below %d%%/%d%%)" % (warn_lower, crit_lower)

            if warn:
                if rpm_perc >= crit:
                    state = 2
                elif rpm_perc >= warn:
                    state = 1
                else:
                    state = 0
                if state > 0:
                    yield state, "too high (warn/crit at %d%%/%d%%)" % (warn, crit)


check_info["ibm_imm_fan"] = {
    "check_function": check_ibm_imm_fan,
    "inventory_function": inventory_ibm_imm_fan,
    "service_description": "Fan %s",
    "snmp_scan_function": lambda oid: oid(".1.3.6.1.2.1.1.1.0").lower().endswith(" mips")
    or oid(".1.3.6.1.2.1.1.1.0").lower().endswith(" sh4a"),
    "snmp_info": (
        ".1.3.6.1.4.1.2.3.51.3.1.3.2.1",
        [  # fanTable.fanEntry
            2,  # fanDescr
            3,  # fanSpeed (as text)
        ],
    ),
    "default_levels_variable": "ibm_imm_fan_default_levels",
    "group": "hw_fans_perc",
}
