#
# Copyright 2019 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 hardware::pdu::raritan::snmp::mode::components::sensor;

use strict;
use warnings;
use hardware::pdu::raritan::snmp::mode::components::resources qw($mapping %raritan_type %map_type);

sub load {
    my ($self, %options) = @_;
    
    push @{$self->{request}}, { oid => $mapping->{$options{type} . '_label'}->{Label}->{oid} },
        { oid => $mapping->{$options{type}}->{Unit}->{oid} },
        { oid => $mapping->{$options{type}}->{Decimal}->{oid} },
        { oid => $mapping->{$options{type}}->{EnabledThresholds}->{oid} },
        { oid => $mapping->{$options{type}}->{LowerCriticalThreshold}->{oid} },
        { oid => $mapping->{$options{type}}->{LowerWarningThreshold}->{oid} },
        { oid => $mapping->{$options{type}}->{UpperCriticalThreshold}->{oid} },
        { oid => $mapping->{$options{type}}->{UpperWarningThreshold}->{oid} },
        { oid => $mapping->{$options{type}}->{State}->{oid} },
        { oid => $mapping->{$options{type}}->{Value}->{oid} };

}

sub check {
    my ($self, %options) = @_;
    
    foreach my $component (sort keys %raritan_type) {
        my $long_msg = 0;
        next if ($component !~ /$options{component}/);
        $self->{components}->{$component} = {name => $component, total => 0, skip => 0};
        next if ($self->check_filter(section => $component));
        
        my $instance_type = $raritan_type{$component};
        my $value_type = $map_type{$instance_type};
        foreach my $oid ($self->{snmp}->oid_lex_sort(keys %{$self->{results}})) {
            next if ($oid !~ /^$mapping->{$options{type}}->{State}->{oid}\.(\d+)\.(\d+)\.$instance_type$/);
            my $instance = $1 . '.' . $2 . '.' . $instance_type;
            my $result = $self->{snmp}->map_instance(mapping => $mapping->{$options{type}}, results => $self->{results}, instance => $instance);
            my $result2 = $self->{snmp}->map_instance(mapping => $mapping->{$options{type} . '_label'}, results => $self->{results}, instance => $1 . '.' . $2);
            
            $instance = defined($result2->{Label}) && $result2->{Label} ne '' ? $result2->{Label} : $1 . '.' . $2;
            
            next if ($self->check_filter(section => $component, instance => $instance));
            
            if ($long_msg == 0) {
                $self->{output}->output_add(long_msg => "Checking " . $component);
                $long_msg = 1;
            }
            
            $self->{components}->{$component}->{total}++;

            my $value = (defined($result->{Value}) && $result->{Value} ne '') ? $result->{Value} : '-';
            if ($value =~ /[0-9]/) {
                $value *= 10 ** -int($result->{Decimal});
            }
            $self->{output}->output_add(long_msg => sprintf("'%s' %s state is '%s' [instance: %s, value: %s, unit: %s, label: %s]", 
                                        $instance, $component, $result->{State},
                                        $instance, $value, $result->{Unit}->{unit}, $result2->{Label}));
            my $exit = $self->get_severity(section => $component, label => $value_type, 
                                           instance => $instance, value => $result->{State});
            if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
                $self->{output}->output_add(severity => $exit,
                                            short_msg => sprintf("'%s' %s state is '%s'", 
                                                $instance, $component, $result->{State}));
            }
            
            if ($value =~ /[0-9]/) {
                next if ($value =~ /^0$/ && $result->{Unit}->{unit} eq '');
                my ($exit2, $warn, $crit, $checked) = $self->get_severity_numeric(section => $component, instance => $instance, value => $value);
                if ($checked == 0) {
                    $result->{EnabledThresholds} = oct("0b". unpack('b*', $result->{EnabledThresholds}));
                    my $warn_th;
                    $warn_th = ($result->{LowerWarningThreshold} * 10 ** -int($result->{Decimal})) . ':' if (($result->{EnabledThresholds} & (1 << 1)));
                    if (($result->{EnabledThresholds} & (1 << 2))) {
                        if (defined($warn_th)) {
                            $warn_th .= ($result->{UpperWarningThreshold} * 10 ** -int($result->{Decimal}));
                        } else {
                            $warn_th = '~:' . ($result->{UpperWarningThreshold} * 10 ** -int($result->{Decimal}));
                        }
                    }
                    my $crit_th;
                    $crit_th = ($result->{LowerCriticalThreshold} * 10 ** -int($result->{Decimal})) . ':' if (($result->{EnabledThresholds} & (1 << 0)));
                    if (($result->{EnabledThresholds} & (1 << 3))) {
                        if (defined($crit_th)) {
                            $crit_th .= ($result->{UpperCriticalThreshold} * 10 ** -int($result->{Decimal}));
                        } else {
                            $crit_th = '~:' . ($result->{UpperCriticalThreshold} * 10 ** -int($result->{Decimal}));
                        }
                    }
                    $self->{perfdata}->threshold_validate(label => 'warning-' . $component . '-instance-' . $instance, value => $warn_th);
                    $self->{perfdata}->threshold_validate(label => 'critical-' . $component . '-instance-' . $instance, value => $crit_th);
                    $warn = $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $component . '-instance-' . $instance);
                    $crit = $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $component . '-instance-' . $instance);
                }
                if (!$self->{output}->is_status(value => $exit2, compare => 'ok', litteral => 1)) {
                    $self->{output}->output_add(severity => $exit2,
                                                short_msg => sprintf("'%s' %s value is %s %s", 
                                                                     $instance, $component, $value, $result->{Unit}->{unit}));
                }
                
                my $nunit = (!defined($result->{Unit}->{nunit}) ? $result->{Unit}->{nunit} : lc($result->{Unit}->{unit}));
                $self->{output}->perfdata_add(
                    label => $component, unit => $result->{Unit}->{unit},
                    nlabel => 'hardware.sensor.' . $options{type} . '.' . lc($component) . '.' . $nunit,
                    instances => $instance,
                    value => $value,
                    warning => $warn,
                    critical => $crit
                );
            }
        }
    }
}

1;