#!/usr/bin/perl -w

use strict;
use Getopt::Std;
use FS::UID qw(adminsuidsetup);
use FS::Record qw(qsearch qsearchs dbh);
use Data::Dumper;
use POSIX;

&untaint_argv;	#what it sounds like  (eww)
use vars qw(%opt);

my $user = shift or die &usage;
my $dbh = adminsuidsetup $user;

my $sql = "select cp.* from cust_pkg cp, part_pkg pp
    where cp.pkgpart = pp.pkgpart and pp.plan = 'flat' 
        and cp.cancel is null and cp.bill is not null and cp.bill > 0";
my $sth = $dbh->prepare($sql);
$sth->execute or die $sth->errstr;
my $row;
while ( $row = $sth->fetchrow_hashref ) {
    my $bill = $row->{'bill'}; # interpret in local time zone

    my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
        localtime($bill);

    if ( $hour != 0 || $min != 0 || $sec != 0 ) {
        $hour = 0;
        $min = 0;
        $sec = 0;
        my $newbill = mktime($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst);
        $sql = "update cust_pkg set bill = ? where pkgnum = ?";
        my $sth2 = $dbh->prepare($sql);
        $sth2->execute($newbill,$row->{'pkgnum'}) or die $sth2->errstr;
    }
}

$dbh->commit;

###
# subroutines
###

sub untaint_argv {
  foreach $_ ( $[ .. $#ARGV ) { #untaint @ARGV
    #$ARGV[$_] =~ /^([\w\-\/]*)$/ || die "Illegal arguement \"$ARGV[$_]\"";
    # Date::Parse
    $ARGV[$_] =~ /^(.*)$/ || die "Illegal arguement \"$ARGV[$_]\"";
    $ARGV[$_]=$1;
  }
}

sub usage {
  die "Usage:\n  freeside-pkg-date-midnight user \n";
}

###
# documentation
###

=head1 NAME

freeside-pkg-date-midnight - change the time portion of next bill dates on all active anniversary packages to midnight

=head1 SYNOPSIS

  freeside-pkg-date-midnight user

=head1 DESCRIPTION

user - name of an internal Freeside user

=head1 SEE ALSO

L<FS::cust_pkg>

=cut