#!/usr/bin/perl

use FS::Misc::Getopt;
use FS::part_event;
use FS::cust_event;
use FS::Record 'dbdef';
use FS::Cursor;

getopts('e:x');

my $eventpart = $opt{e};
my $part_event = FS::part_event->by_key($opt{e})
  or die "usage: initialize-event -e <eventpart> <username>\n";


my $eventtable = $part_event->eventtable;
my $pkey = dbdef->table($eventtable)->primary_key;
my $from = " LEFT JOIN (SELECT DISTINCT tablenum AS $pkey FROM cust_event
                   WHERE eventpart = $eventpart) AS done USING ($pkey)",
my $where = " WHERE done.$pkey IS NULL";

my $count = FS::Record->scalar_sql("SELECT COUNT(*) FROM $eventtable $from $where");
print "Event ".$part_event->event."\n".
      "Will initialize on $count $eventtable records.\n";
if (!$opt{x}) {
  print "Run with -x to make changes.\n";
  exit;
}


print "Disabling event.\n";
$part_event->disabled('Y');
my $error = $part_event->replace;
die $error if $error;
my $cursor = FS::Cursor->new({
  table => $eventtable,
  addl_from => $from,
  extra_sql => $where,
});
my $user = $FS::CurrentUser::CurrentUser->username;
my $statustext = "Manually by $user";
while (my $record = $cursor->fetch) {
  my $cust_event = FS::cust_event->new({
    status      => 'initial',
    eventpart   => $eventpart,
    tablenum    => $record->get($pkey),
    _date       => $^T,
    statustext  => $statustext,
  });
  $error = $cust_event->insert;
  if ($error) {
    print "$eventtable #".$record->get($pkey).": $error\n" if $error;
  } else {
    $count--;
  }
}
print "$count unprocessed records.";
if ($count == 0) {
  print "Re-enabling event.\n";
  $part_event->disabled('');
  $error = $part_event->replace;
  die $error if $error;
} else {
  print "Event is still disabled.\n";
}

print "Finished.\n";