#!/usr/bin/perl

use lib "/usr/share/BackupPC/lib";
use BackupPC::Lib;
use BackupPC::CGI::Lib;
use POSIX;
use JSON;
use Getopt::Long;

my $hosts = 1;
my $entities = 0;

GetOptions(
  "hosts"    => \$hosts,
  "entities" => \$entities
);

# We need to switch to backuppc UID/GID
my $uid = getuid();
my $gid = getgid();
my (undef,undef,$bkpuid,$bkpgid) = getpwnam('backuppc');
setuid($bkpuid) if ($uid ne $bkpuid);
setgid($bkpgid) if ($gid ne $bkpgid);

my $bpc      = BackupPC::Lib->new();
my $hosts    = $bpc->HostInfoRead();
my $mainConf = $bpc->ConfigDataRead();

my $json;
@{$json->{data}} = ();

if ($entities) {
  my %entities = ();
  foreach my $host (keys %$hosts){
    if ($host =~ m/^(?:vm_)?([^_]+)_.*/) {
      $entities{$1}= 1;
    }
  }
  push @{$json->{data}}, { '{#BPC_ENTITY}' => $_ } foreach ( keys %entities );
} elsif ($hosts){
  foreach my $host (keys %$hosts){
    my $hostConf   = $bpc->ConfigDataRead($host);
    my $conf       = { %$mainConf, %$hostConf };
    my $warning    = $conf->{EMailNotifyOldBackupDays};
    my $errors     = (defined $conf->{MaxXferError}) ? $conf->{MaxXferError}: '0';
    my $monitoring = $conf->{ZabbixMonitoring} || 1;
    my $status     = ($conf->{BackupsDisable} gt 0 or $monitoring eq '0') ? '0' : '1';
    push @{$json->{data}},
        {
            "{#BPCHOST}" => $host,
            "{#BPCNOBACKUPWARNING}" => $warning,
            "{#BPCMAXERROR}" => $errors,
            "{#BPCSTATUS}" => $status,
        };
  }
}
print to_json($json);
exit(0);