# SNMP::Info::Layer3::Rotek - SNMP Interface to Rotek Devices
#
# Copyright (c) 2020 by 135.

package SNMP::Info::Layer3::Rotek;

use strict;
use warnings;
use Exporter;
use SNMP::Info::Layer3;

@SNMP::Info::Layer3::Rotek::ISA       = qw/SNMP::Info::Layer3 Exporter/;
@SNMP::Info::Layer3::Rotek::EXPORT_OK = qw//;

our ($VERSION, %GLOBALS, %MIBS, %FUNCS, %MUNGE);

$VERSION = '3.70-135';

%MIBS = ( %SNMP::Info::Layer3::MIBS, );

%GLOBALS = (
    %SNMP::Info::Layer3::GLOBALS,
    'model_oid' => 'enterprises.41752.3.1.1.1.3.0',
);

%FUNCS = ( %SNMP::Info::Layer3::FUNCS, );

%MUNGE = ( %SNMP::Info::Layer3::MUNGE, );

sub vendor {
    return 'rotek';
}

sub os {
    return 'rotek-os';
}

sub os_ver {
    my $obj = shift;
    my $os_ver = undef;

    my $os_ver_oid = $obj->os_ver_oid_41752 || undef;
    $os_ver_oid =~ /ROS_(.*)\.(\d+)/ || undef $_ if defined $os_ver_oid;
    $os_ver = $1 . ' (' . $2 . ')' if defined($1) and defined($2);

    while(not defined $os_ver) {
        $obj->description =~ /\,\s(.*)/;
        $os_ver = $1 if defined $1;
        last if defined $os_ver;

        $obj->description() =~ /[\w,\W,\d,\-]+v\d+rev\d+\s+([\d,\.]+)\s+[\w,\-,\d]+$/;
        $os_ver = $1 if defined $1;
        last;
    }

    return $os_ver if defined $os_ver;
    return 'unknown';
}

sub brom {
    my $obj = shift;
    my $brom = undef;
    $obj->brom_oid_41752 =~ /.*_BOOT_(.*)_(\d+)/;
    $brom = $1 . ' (' . $2 . ')' if defined($1) and defined($2);

    return $brom if defined $brom;
}

sub model {
    my $obj = shift;
    my $id = $obj->id();
    my $hw = $obj->hwver() || undef;
    my $model = $obj->model_oid || undef;

    while (not defined $model) {
        $model = $obj->model_oid_41752 || undef;
        last if defined $model;

        $obj->description() =~ /([\w,\W,\d,\-]+)v\d+rev\d+\s+[\d,\.]+\s+[\w,\-,\d]+$/;
        $model = $1 if defined $1;
        last if defined $model;

        last;
    }

    $model .= ' HW:' . $hw if defined $hw;

    return $model if defined $model;
    return $obj->SUPER::model();
}

sub serial {
    my $obj = shift;
    my $serial = $obj->serial_oid_41752 || undef;

    while (not defined $serial) {
        $obj->description() =~ /[\w,\W,\d,\-]+v\d+rev\d+\s+[\d,\.]+\s+([\w,\-,\d]+)$/;
        $serial = $1 if defined $1;

        last;
    }
    return $serial if defined $serial;
    return $obj->SUPER::serial();
}

sub hwver{
    my $obj = shift;
    my $hw = ($obj->hw_oid_41752 =~ /.*\sversion\s(.*)/)[0] || undef if defined $obj->hw_oid_41752;

    while (not defined $hw) {
        $obj->description() =~ /[\w,\W,\d,\-]+(v\d+rev\d+)\s+[\d,\.]+\s+[\w,\-,\d]+$/;
        $hw = $1 if defined $1;

        last;
    }

    return $hw if defined $hw;
}

1;
__END__

=head1 NAME

SNMP::Info::Layer3::Rotek - SNMP Interface to Rotek Devices

=head1 SYNOPSIS

 # Let SNMP::Info determine the correct subclass for you.
 my $obj = new SNMP::Info(
                          AutoSpecify => 1,
                          Debug       => 1,
                          DestHost    => 'myrouter',
                          Community   => 'public',
                          Version     => 2
                        )
    or die "Can't connect to DestHost.\n";

 my $class      = $obj->class();
 print "SNMP::Info determined this device to fall under subclass : $class\n";

=head1 DESCRIPTION

Subclass for Rotek Devices

=head2 Inherited Classes

=over

=item SNMP::Info::Layer3

=back

=head2 Inherited Classes' MIBs

See L<SNMP::Info::Layer3/"Required MIBs"> for its own MIB requirements.

=head1 GLOBALS

These are methods that return scalar value from SNMP

=over

=item $obj->vendor()

Returns 'rotek'

=item $obj->os()

Returns 'rotek-os'

=item $obj->os_ver()

Returns the software version.

=item $obj->model()

Returns the model extracted.

=item $obj->serial()

Returns serial number.

=cut

=back