#
# 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::kayako::api::mode::listdepartment;

use base qw(centreon::plugins::mode);

use strict;
use warnings;
use centreon::plugins::http;
use XML::XPath;
use Digest::SHA qw(hmac_sha256_base64);

my %handlers = (ALRM => {} );

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

    $options{options}->add_options(arguments => {
        "hostname:s"            => { name => 'hostname' },
        "port:s"                => { name => 'port' },
        "proto:s"               => { name => 'proto' },
        "urlpath:s"             => { name => 'url_path', default => '/api/index.php?' },
        "timeout:s"             => { name => 'timeout' },
        "kayako-api-key:s"      => { name => 'kayako_api_key' },
        "kayako-secret-key:s"   => { name => 'kayako_secret_key' },
    });
            
    $self->{http} = centreon::plugins::http->new(%options);
    return $self;
}

sub check_options {
    my ($self, %options) = @_;
    $self->SUPER::init(%options);

    if (!defined($self->{option_results}->{kayako_api_key})) {
        $self->{output}->add_option_msg(short_msg => "Please specify an API key for Kayako.");
        $self->{output}->option_exit();
    }
    if (!defined($self->{option_results}->{kayako_secret_key})) {
        $self->{output}->add_option_msg(short_msg => "Please specify a secret key for Kayako.");
        $self->{output}->option_exit();
    }
    my $salt = '';
    $salt .= int(rand(10)) for 1..10;
    my $digest = hmac_sha256_base64($salt, $self->{option_results}->{kayako_secret_key});
    $self->{option_results}->{url_path} .= "/Base/Department&apikey=" . $self->{option_results}->{kayako_api_key} . "&salt=" . $salt . "&signature=" . $digest . "=";   
    $self->{http}->set_options(%{$self->{option_results}});
}

sub run {
    my ($self, %options) = @_;
   
    my $webcontent = $self->{http}->set_options(%{$self->{option_results}});
    my $xp = XML::XPath->new($webcontent);
    my $nodes = $xp->find('departments/department');

    foreach my $actionNode ($nodes->get_nodelist) {
        my ($id) = $xp->find('./id', $actionNode)->get_nodelist;
        my $trim_id = centreon::plugins::misc::trim($id->string_value);
        my ($title) = $xp->find('./title', $actionNode)->get_nodelist;
        my $trim_title = centreon::plugins::misc::trim($title->string_value);

        $self->{output}->output_add(long_msg => "'" . $trim_title . "' [id = " . $trim_id . "]");
    }

    $self->{output}->output_add(severity => 'OK',
                                short_msg => 'List department:');
    $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
    $self->{output}->exit();
}

1;

__END__

=head1 MODE

List departments of kayako 

=over 8

=item B<--hostname>

IP Addr/FQDN of the webserver host (required)

=item B<--port>

Port used by Apache

=item B<--proto>

Specify https if needed

=item B<--urlpath>

This is the URL you should dispatch all GET, POST, PUT & DELETE requests to (Default: '/api/index.php?')

=item B<--timeout>

Threshold for HTTP timeout.

=item B<--kayako-api-key>

This is your unique API key.

=item B<--kayako-secret-key>

The secret key is used to sign all the requests dispatched to Kayako.

=back

=cut