#
# Copyright 2021 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

package storage::synology::snmp::mode::components::system;

use strict;
use warnings;

my $map_status = { 1 => 'Normal', 2 => 'Failed' };

my $mapping = {
    synoSystemsystemStatus => { oid => '.1.3.6.1.4.1.6574.1.1', map => $map_status }
};

# Synology support note :
# OID .1.3.6.1.4.1.6574.1.1 should change integer to 2 when the partition is fully crashed
# (i.e. md0 or md1 status in /proc/mdstat is [E___] or similar),
# not when it is degraded (health status is [U_U_], [U_____], or [UUUU_]).

sub load {
    my ($self) = @_;

    push @{$self->{request_leef}}, $mapping->{synoSystemsystemStatus}->{oid} . '.0';
}

sub check {
    my ($self) = @_;

    $self->{output}->output_add(long_msg => "Checking system partition status");
    $self->{components}->{system} = {name => 'system', total => 0, skip => 0};
    return if ($self->check_filter(section => 'system'));

    my $result = $self->{snmp}->map_instance(mapping => $mapping, results => $self->{results_leef}, instance => '0');
    return if (!defined($result->{synoSystemsystemStatus}));

    $self->{components}->{system}->{total}++;

    $self->{output}->output_add(
        long_msg => sprintf(
            "system partition status is %s.",
            $result->{synoSystemsystemStatus}
        )
    );
    my $exit = $self->get_severity(label => 'default', section => 'system', value => $result->{synoSystemsystemStatus});
    if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
        $self->{output}->output_add(
            severity => $exit,
            short_msg => sprintf("System partition status is %s.", $result->{synoSystemsystemStatus})
        );
    }
}

1;