#!/usr/bin/env python3
# Copyright (C) 2019 Checkmk 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.


from cmk.base.check_api import LegacyCheckDefinition, saveint
from cmk.base.check_legacy_includes.df import df_check_filesystem_list, FILESYSTEM_DEFAULT_PARAMS
from cmk.base.config import check_info

from cmk.agent_based.v2 import SNMPTree, StringTable
from cmk.plugins.lib.datapower import DETECT


def inventory_datapower_fs(info):
    if info:
        # only discover filesystems with a defined total size > 0
        if saveint(info[0][0]) != 0:
            yield "Encrypted", {}
        if saveint(info[0][2]) != 0:
            yield "Unencrypted", {}
        if saveint(info[0][4]) != 0:
            yield "Temporary", {}
        if saveint(info[0][6]) != 0:
            yield "Internal", {}


def check_datapower_fs(item, params, info):
    if item == "Encrypted":
        i = 0
    elif item == "Unencrypted":
        i = 2
    elif item == "Temporary":
        i = 4
    elif item == "Internal":
        i = 6

    avail_mb = float(info[0][i])
    size_mb = float(info[0][i + 1])
    fslist = [(item, size_mb, avail_mb, 0)]

    return df_check_filesystem_list(item, params, fslist)


def parse_datapower_fs(string_table: StringTable) -> StringTable:
    return string_table


check_info["datapower_fs"] = LegacyCheckDefinition(
    parse_function=parse_datapower_fs,
    detect=DETECT,
    fetch=SNMPTree(
        base=".1.3.6.1.4.1.14685.3.1.29",
        oids=["1", "2", "3", "4", "5", "6", "7", "8"],
    ),
    service_name="Filesystem %s",
    discovery_function=inventory_datapower_fs,
    check_function=check_datapower_fs,
    check_ruleset_name="filesystem",
    check_default_parameters=FILESYSTEM_DEFAULT_PARAMS,
)
