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<% encode_json($return) %>\
<%init>

my $curuser = $FS::CurrentUser::CurrentUser;
die "access denied" unless $curuser->access_right('Credit line items');

my $DEBUG = 0;

my $conf = new FS::Conf;

my $sub = $cgi->param('sub');

my $return = {};

if ( $sub eq 'calculate_taxes' ) {

  {

    my %arg = $cgi->param('arg');
    $return = \%arg;
    warn join('', map "$_: $arg{$_}\n", keys %arg )
      if $DEBUG;

    #some false laziness w/cust_credit::credit_lineitems

    my $cust_main = qsearchs({
      'table'     => 'cust_main',
      'hashref'   => { 'custnum' => $arg{custnum} },
      'extra_sql' => ' AND '. $curuser->agentnums_sql,
    }) or die 'unknown customer';

    my @billpkgnums = split(',', $arg{billpkgnums});
    my @setuprecurs = split(',', $arg{setuprecurs});
    my @amounts =     split(',', $arg{amounts});

    my @cust_bill_pkg = ();
    my $taxlisthash = {};
    while ( @billpkgnums ) {
      my $billpkgnum = shift @billpkgnums;
      my $setuprecur = shift @setuprecurs;
      my $amount     = shift @amounts;

      my $cust_bill_pkg = qsearchs({
        'table'     => 'cust_bill_pkg',
        'hashref'   => { 'billpkgnum' => $billpkgnum },
        'addl_from' => 'LEFT JOIN cust_bill USING (invnum)',
        'extra_sql' => 'AND custnum = '. $cust_main->custnum,
      }) or die "unknown billpkgnum $billpkgnum";

      #shouldn't be passed# next if $cust_bill_pkg->pkgnum == 0;

      if ( $setuprecur eq 'setup' ) {
        $cust_bill_pkg->setup($amount);
        $cust_bill_pkg->recur(0);
        $cust_bill_pkg->unitrecur(0);
        $cust_bill_pkg->type('');
      } else {
        $cust_bill_pkg->recur($amount);
        $cust_bill_pkg->setup(0);
        $cust_bill_pkg->unitsetup(0);
      }

      push @cust_bill_pkg, $cust_bill_pkg;

      $cust_main->_handle_taxes( $taxlisthash, $cust_bill_pkg );
    }

    if ( @cust_bill_pkg ) {

      my $listref_or_error = 
        $cust_main->calculate_taxes( \@cust_bill_pkg, $taxlisthash, $cust_bill_pkg[0]->cust_bill->_date );

      unless ( ref( $listref_or_error ) ) {
        $return->{error} = $listref_or_error;
        last;
      }

      my @taxlines = ();
      my $taxtotal = 0;
      $return->{taxlines} = \@taxlines;
      foreach my $taxline ( @$listref_or_error ) {
        my $amount = $taxline->setup;
        my $desc = $taxline->desc;
        foreach my $location (
          @{$taxline->get('cust_bill_pkg_tax_location')},
          @{$taxline->get('cust_bill_pkg_tax_rate_location')} )
        {
          my $taxlocnum = $location->locationnum || '';
          my $taxratelocnum = $location->taxratelocationnum || '';
          $location->cust_bill_pkg_desc($taxline->desc); #ugh @ that kludge
          $taxtotal += $location->amount;
          push @taxlines,
            #[ $location->desc, $taxline->setup, $taxlocnum, $taxratelocnum ];
            [ $location->desc, $location->amount, $taxlocnum, $taxratelocnum ];
          $amount -= $location->amount;
        }
        if ($amount > 0) {
          $taxtotal += $amount;
          push @taxlines,
            [ $taxline->itemdesc. ' (default)', sprintf('%.2f', $amount), '', '' ];
        }
      }

      $return->{taxlines} = \@taxlines;
      $return->{taxtotal} = sprintf('%.2f', $taxtotal);

    } else {

      $return->{taxlines} = [];
      $return->{taxtotal} = '0.00';

    }

  }

}

</%init>