#!/usr/bin/perl -w

use strict;
use warnings;

use Config::Simple '-strict';
use JSON;

my $old = shift;
$old ||= '/etc/zabbix/sensors.conf';
my $new = '/etc/zabbix/sensors.ini';

my $sensors = {};

my $units = {
  temp  => '°C',
  fan   => 'rpm',
  power => 'W'
};

open OLDSENSORS, ("<$old") ||
    die "Couldn't open $old: $!\n";


foreach (<OLDSENSORS>){
    next unless (/^(\w+)(\s+)?=(\s+)?(.*)!(\-?\d+)!(\-?\d+)(!(\w+))?$/);
    my ($sensor,$cmd,$threshigh,$threslow,$type) = ($1,$4,$5,$6,$8);
    $type ||= 'temp';
    $sensors->{$sensor} = {
      description     => $sensor,
      cmd             => $cmd,
      threshold_high  => $threshigh,
      threshold_low   => $threslow,
      type            => $type,
      unit            => $units->{$type}
    };
}

my $cfg = new Config::Simple(syntax => 'ini');

foreach my $k (keys %$sensors){
  $cfg->set_block($k, $sensors->{$k});
}

$cfg->write($new);

rename $old, $old . '.bak';