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

# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.0 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.0
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.1 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.1
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.2 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.2
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.3 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.3
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.4 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.4
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.1.5 1 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.1.5
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.0 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.0
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.1 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.1
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.2 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.2
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.3 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.3
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.4 2 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.4
# .1.3.6.1.4.1.4526.10.43.1.6.1.3.2.5 1 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState.2.5
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.0 3950 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.0
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.1 3700 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.1
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.2 3600 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.2
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.3 3400 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.3
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.4 0 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.4
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.1.5 0 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.1.5
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.0 3650 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.0
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.1 3400 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.1
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.2 3300 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.2
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.3 3500 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.3
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.4 0 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.4
# .1.3.6.1.4.1.4526.10.43.1.6.1.4.2.5 0 --> FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed.2.5

# Just assumed
factory_settings["netgear_fans_default_levels"] = {
    "lower": (1500, 1200),
}


def netgear_map_state_txt_to_int(state_nr, version):
    map_state_txt_to_int = {
        "operational": 0,
        "failed": 2,
        "powering": 0,
        "not powering": 1,
        "not present": 1,
        "no power": 2,
        "incompatible": 2,
    }

    if version.startswith("8."):
        map_states = {
            "1": "operational",
            "2": "failed",
            "3": "powering",
            "4": "not powering",
            "5": "not present",
        }
    elif version.startswith("10."):
        map_states = {
            "1": "notpresent",
            "2": "operational",
            "3": "failed",
            "4": "powering",
            "5": "no power",
            "6": "not powering",
            "7": "incompatible",
        }
    else:
        map_states = {
            "1": "not present",
            "2": "operational",
            "3": "failed",
        }

    state_txt = map_states.get(state_nr, "unknown(%s)" % state_nr)
    return map_state_txt_to_int.get(state_txt, 3), state_txt


def parse_netgear_fans(info):
    versioninfo, sensorinfo = info
    if versioninfo == []:
        parsed = {"__fans__": {}}
    else:
        parsed = {
            "__version__": versioninfo[0][0],
            "__fans__": {},
        }
    for oid_end, sstate, reading_str in sensorinfo:
        parsed["__fans__"].setdefault(
            "%s" % oid_end.replace(".", "/"),
            {
                "state": sstate,
                "reading_str": reading_str,
            },
        )
    return parsed


def inventory_netgear_fans(parsed):
    for sensorname, sensorinfo in parsed["__fans__"].items():
        state = sensorinfo["state"]
        if state != "1" and not (state == "2" and sensorinfo["reading_str"] in ["0"]):
            yield sensorname, {}


def check_netgear_fans(item, params, parsed):
    data = parsed["__fans__"].get(item)
    if data is None:
        return

    reading_str = data["reading_str"]
    if reading_str != "Not Supported":
        yield check_fan(int(data["reading_str"]), params)
    state, state_readable = netgear_map_state_txt_to_int(
        data["state"], parsed.get("__version__", "")
    )
    yield state, "Status: %s" % state_readable


check_info["netgear_fans"] = {
    "parse_function": parse_netgear_fans,
    "inventory_function": inventory_netgear_fans,
    "check_function": check_netgear_fans,
    "service_description": "Fan %s",
    "snmp_info": [
        (".1.3.6.1.4.1.4526.10.1.1.1.13", [""]),
        (
            ".1.3.6.1.4.1.4526.10.43.1.6.1",
            [
                OID_END,
                "3",  # FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanItemState
                "4",  # FASTPATH-BOXSERVICES-PRIVATE-MIB::boxServicesFanSpeed
            ],
        ),
    ],
    "snmp_scan_function": lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.4526.100"),
    "default_levels_variable": "netgear_fans_default_levels",
    "group": "hw_fans",
}
