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

check_info["couchbase_nodes_stats"] = {
    "parse_function": parse_couchbase_lines,
}


@get_parsed_item_data
def check_couchbase_nodes_cpu_util(_item, params, data):
    try:
        return check_cpu_util(float(data["cpu_utilization_rate"]), params)
    except (ValueError, KeyError):
        pass


check_info["couchbase_nodes_stats.cpu_util"] = {
    "inventory_function": discover(),
    "check_function": check_couchbase_nodes_cpu_util,
    "service_description": "Couchbase %s CPU utilization",
    "group": "cpu_utilization_multiitem",
    "has_perfdata": True,
}

factory_settings["memory_default_levels"] = MEMORY_DEFAULT_LEVELS


@get_parsed_item_data
def check_couchbase_nodes_mem(_item, params, data):

    try:
        mem_total = data["mem_total"]
        mem_free = data["mem_free"]
        swap_total = data["swap_total"]
        swap_used = data["swap_used"]
    except KeyError:
        return None

    warn_ram, crit_ram = params.get("levels", (None, None))
    mode_ram = "abs_used" if isinstance(warn_ram, int) else "perc_used"

    yield check_memory_element(
        "RAM",
        mem_total - mem_free,
        mem_total,
        (mode_ram, (warn_ram, crit_ram)),
        metric_name="mem_used",
    )

    yield check_memory_element(
        "Swap",
        swap_used,
        swap_total,
        None,
        metric_name="swap_used",
    )


check_info["couchbase_nodes_stats.mem"] = {
    "inventory_function": discover(),
    "check_function": check_couchbase_nodes_mem,
    "service_description": "Couchbase %s Memory",
    "group": "memory_multiitem",
    "has_perfdata": True,
    "default_levels_variable": "memory_default_levels",
}
