#
# Copyright 2020 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 apps::google::gsuite::mode::applications;

use base qw(centreon::plugins::templates::counter);

use strict;
use warnings;
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
use POSIX qw(strftime);

sub custom_status_output {
    my ($self, %options) = @_;

    return sprintf(
        "(%s): '%s' (since '%s')",
        $self->{result_values}->{status},
        $self->{result_values}->{message},
        $self->{result_values}->{time}
    );
}

sub prefix_gapps_output {
    my ($self, %options) = @_;

    return $options{instance_value}->{name} . " ";
}

sub set_counters {
    my ($self, %options) = @_;

    $self->{maps_counters_type} = [
        { name => 'global', type => 0 },
        { name => 'gapps', type => 1, cb_prefix_output => 'prefix_gapps_output', display_long => 1, cb_long_output => 'long_output', message_multiple => 'All Google Apps are ok' }
    ];

    $self->{maps_counters}->{global} = [
        { label => 'apps', nlabel => 'google.apps.current.count', set => {
                key_values => [ { name => 'apps' } ],
                output_template => '%s GApps',
                perfdatas => [
                    { template => '%s', min => 0 }
                ]
            }
        }
    ];

    $self->{maps_counters}->{gapps} = [
        {
            label => 'status',
            type => 2,
            warning_default => '%{status} eq "DEGRADED"',
            critical_default => '%{status} eq "UNAVAILABLE"',
            set => {
                key_values => [ { name => 'status' }, { name => 'name' }, { name => 'message' }, { name => 'time' } ],
                closure_custom_output => $self->can('custom_status_output'),
                closure_custom_perfdata => sub { return 0; },
                closure_custom_threshold_check => \&catalog_status_threshold_ng
            }
        }
    ];
}

sub new {
    my ($class, %options) = @_;
    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
    bless $self, $class;

    $options{options}->add_options(arguments => {
        'filter-app:s'  => { name => 'filter_app' },
        'display-extra' => { name => 'display_extra'}
    });

    return $self;
}

my $status_mapping = {
    1 => 'DEGRADED',
    2 => 'UNAVAILABLE',
    3 => 'RESOLVED',
    4 => 'CLOSED'
};

sub manage_selection {
    my ($self, %options) = @_;

    my $results = $options{custom}->request_api();

    my $time_now = strftime('%Y-%m-%dT%H:%M:%S', gmtime());
    foreach my $mapping (@{$results->{services}}) {
        next if (
            defined($self->{option_results}->{filter_app})
            && $self->{option_results}->{filter_app} ne ''
            && $mapping->{name} !~ /(?i)$self->{option_results}->{filter_app}/
        );

        next if (
            (!defined($self->{option_results}->{display_extra}))
            && $mapping->{type} != 0
        );

        $self->{gapps}->{ $mapping->{id} } = {
            name    => $mapping->{name},
            type    => $mapping->{type},
            status  => 'OK',
            time    => $time_now,
            message => ''
        };
    };

    foreach my $issue (@{$results->{messages}}) {
        next if (!defined($self->{gapps}->{ $issue->{service} }));

        next if ($issue->{resolved});

        $self->{gapps}->{ $issue->{service} } = {
            name => $self->{gapps}->{ $issue->{service} }->{name},
            status => $status_mapping->{ $issue->{type} },
            time => strftime('%Y-%m-%dT%H:%M:%S', gmtime($issue->{time} / 1000)),
            message => $issue->{message},
            resolved => $issue->{resolved},
            type => $self->{gapps}->{ $issue->{service} }->{type}
        };
    }

    $self->{global} = { apps => scalar(keys %{$self->{gapps}}) };
}

1;

__END__

=head1 MODE

Check Google Gsuite Applications status

=over 8

=item B<--filter-app>

Only display the status for a specific app
(Example: --filter-app='gmail')

=item B<--display-extra>

Also display the status of the Google Apps not covered by G Suite Service Level Agreement

=item B<--warning-status>

Set warning threshold for the application status
(Default: '%{status} eq "DEGRADED"').

=item B<--critical-status>

Set warning threshold for the application status
(Default: '%{status} eq "UNAVALAIBLE"').

=back

=cut