#=====================================================================
# LedgerSMB Small Medium Business Accounting
# http://www.ledgersmb.org/
#

# Copyright (C) 2006
# This work contains copyrighted information from a number of sources all used
# with permission.
#
# This file contains source code included with or based on SQL-Ledger which
# is Copyright Dieter Simader and DWS Systems Inc. 2000-2005 and licensed
# under the GNU General Public License version 2 or, at your option, any later
# version.  For a full list including contact information of contributors,
# maintainers, and copyright holders, see the CONTRIBUTORS file.
#
# Original Copyright Notice from SQL-Ledger 2.6.17 (before the fork):
# Copyright (c) 2001
#
#  Author: DWS Systems Inc.
#     Web: http://www.sql-ledger.org
#
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#======================================================================
#
# Inventory received module
#
#======================================================================

use LedgerSMB::IR;
use LedgerSMB::PE;
use LedgerSMB::Tax;

require "bin/io.pl";
require "bin/arap.pl";

1;

# end of main

sub add {
    if ($form->{type} eq 'debit_invoice'){
        $form->{title} = $locale->text('Add Debit Invoice');
        $form->{subtype} = 'debit_invoice';
        $form->{reverse} = 1;
    } else {
        $form->{title} = $locale->text('Add Vendor Invoice');
        $form->{reverse} = 0;
    }

    $form->{callback} =
"$form->{script}?action=add&type=$form->{type}&login=$form->{login}&path=$form->{path}&sessionid=$form->{sessionid}"
      unless $form->{callback};
    &invoice_links;
    &prepare_invoice;
    &display_form;

}

sub edit {
    if ($form->{reverse}){
        $form->{title} = $locale->text('Add Debit Invoice');
        $form->{subtype} = 'debit_invoice';
    } else {
        $form->{title} = $locale->text('Edit Vendor Invoice');
    }
   

    &invoice_links;
    &prepare_invoice;
    &display_form;

}

sub invoice_links {

    $form->{vc}   = "vendor";
    $form->{type} = "invoice";

    # create links
    $form->create_links( "AP", \%myconfig, "vendor", 1 );

    # currencies
    @curr = split /:/, $form->{currencies};
    $form->{defaultcurrency} = $curr[0];
    chomp $form->{defaultcurrency};

    for (@curr) { $form->{selectcurrency} .= "<option>$_\n" }

    if ( @{ $form->{all_vendor} } ) {
        unless ( $form->{vendor_id} ) {
            $form->{vendor_id} = $form->{all_vendor}->[0]->{id};
        }
    }

    AA->get_name( \%myconfig, \%$form );
    delete $form->{notes};
    IR->retrieve_invoice( \%myconfig, \%$form );

    $form->{oldlanguage_code} = $form->{language_code};

    $form->get_partsgroup( \%myconfig,
        { language_code => $form->{language_code} } );
    if ( @{ $form->{all_partsgroup} } ) {
        $form->{selectpartsgroup} = "<option>\n";
        foreach $ref ( @{ $form->{all_partsgroup} } ) {
            if ( $ref->{translation} ) {
                $form->{selectpartsgroup} .=
qq|<option value="$ref->{partsgroup}--$ref->{id}">$ref->{translation}\n|;
            }
            else {
                $form->{selectpartsgroup} .=
qq|<option value="$ref->{partsgroup}--$ref->{id}">$ref->{partsgroup}\n|;
            }
        }
    }

    if ( @{ $form->{all_project} } ) {
        $form->{selectprojectnumber} = "<option>\n";
        for ( @{ $form->{all_project} } ) {
            $form->{selectprojectnumber} .=
qq|<option value="$_->{projectnumber}--$_->{id}">$_->{projectnumber}\n|;
        }
    }

    $form->{oldvendor}    = "$form->{vendor}--$form->{vendor_id}";
    $form->{oldtransdate} = $form->{transdate};

    # vendors
    $form->{selectvendor} = "";
    if ( @{ $form->{all_vendor} } ) {
        $form->{vendor} = "$form->{vendor}--$form->{vendor_id}";
        for ( @{ $form->{all_vendor} } ) {
            $form->{selectvendor} .=
              qq|<option value="$_->{name}--$_->{id}">$_->{name}\n|;
        }
    }

    # departments
    if ( @{ $form->{all_department} } ) {
        $form->{selectdepartment} = "<option>\n";
        $form->{department} = "$form->{department}--$form->{department_id}"
          if $form->{department_id};

        for ( @{ $form->{all_department} } ) {
            $form->{selectdepartment} .=
qq|<option value="$_->{description}--$_->{id}">$_->{description}\n|;
        }
    }

    if ( @{ $form->{all_language} } ) {
        $form->{selectlanguage} = "<option>\n";
        for ( @{ $form->{all_language} } ) {
            $form->{selectlanguage} .=
              qq|<option value="$_->{code}">$_->{description}\n|;
        }
    }

    # forex
    $form->{forex} = $form->{exchangerate};
    $exchangerate = ( $form->{exchangerate} ) ? $form->{exchangerate} : 1;

    foreach $key ( keys %{ $form->{AP_links} } ) {

        $form->{"select$key"} = "";
        foreach $ref ( @{ $form->{AP_links}{$key} } ) {
            $form->{"select$key"} .=
              "<option>$ref->{accno}--$ref->{description}\n";
        }

        if ( $key eq "AP_paid" ) {
            for $i ( 1 .. scalar @{ $form->{acc_trans}{$key} } ) {
                $form->{"AP_paid_$i"} =
"$form->{acc_trans}{$key}->[$i-1]->{accno}--$form->{acc_trans}{$key}->[$i-1]->{description}";

                # reverse paid
                $form->{"paid_$i"} =
                  $form->{acc_trans}{$key}->[ $i - 1 ]->{amount};
                $form->{"datepaid_$i"} =
                  $form->{acc_trans}{$key}->[ $i - 1 ]->{transdate};
                $form->{"forex_$i"} = $form->{"exchangerate_$i"} =
                  $form->{acc_trans}{$key}->[ $i - 1 ]->{exchangerate};
                $form->{"source_$i"} =
                  $form->{acc_trans}{$key}->[ $i - 1 ]->{source};
                $form->{"memo_$i"} =
                  $form->{acc_trans}{$key}->[ $i - 1 ]->{memo};
                $form->{"cleared_$i"} =
                  $form->{acc_trans}{$key}->[ $i - 1 ]->{cleared};

                $form->{paidaccounts} = $i;
            }
        }
        else {
            $form->{$key} =
"$form->{acc_trans}{$key}->[0]->{accno}--$form->{acc_trans}{$key}->[0]->{description}"
              if $form->{acc_trans}{$key}->[0]->{accno};
        }

    }

    $form->{paidaccounts} = 1 unless ( exists $form->{paidaccounts} );

    $form->{AP} = $form->{AP_1} unless $form->{id};

    $form->{locked} =
      ( $form->{revtrans} )
      ? '1'
      : ( $form->datetonum( \%myconfig, $form->{transdate} ) <=
          $form->datetonum( \%myconfig, $form->{closedto} ) );

    if ( !$form->{readonly} ) {
        $form->{readonly} = 1 if $myconfig{acs} =~ /AP--Vendor Invoice/;
    }

}

sub prepare_invoice {

    $form->{type} = "invoice";
    $form->{currency} =~ s/ //g;
    $form->{oldcurrency} = $form->{currency};

    if ( $form->{id} ) {

        for (qw(invnumber ordnumber ponumber quonumber)) {
            $form->{$_} = $form->quote( $form->{$_} );
        }

        foreach $ref ( @{ $form->{invoice_details} } ) {
            $i++;
            for ( keys %$ref ) { $form->{"${_}_$i"} = $ref->{$_} }

            $form->{"projectnumber_$i"} =
              qq|$ref->{projectnumber}--$ref->{project_id}|
              if $ref->{project_id};
            $form->{"partsgroup_$i"} =
              qq|$ref->{partsgroup}--$ref->{partsgroup_id}|
              if $ref->{partsgroup_id};

            $form->{"discount_$i"} =
              $form->format_amount( \%myconfig, $form->{"discount_$i"} * 100 );

            ($dec) = ( $form->{"sellprice_$i"} =~ /\.(\d+)/ );
            $dec = length $dec;
            $decimalplaces = ( $dec > 2 ) ? $dec : 2;

            $form->{"sellprice_$i"} =
              $form->format_amount( \%myconfig, $form->{"sellprice_$i"},
                $decimalplaces );
            $form->{"qty_$i"} =
              $form->format_amount( \%myconfig, $form->{"qty_$i"} );
            $form->{"oldqty_$i"} = $form->{"qty_$i"};

            for (qw(partnumber sku description unit)) {
                $form->{"${_}_$i"} = $form->quote( $form->{"${_}_$i"} );
            }

            $form->{rowcount} = $i;
        }
    }

}

sub form_header {

    # set option selected
    for (qw(AP currency)) {
        $form->{"select$_"} =~ s/ selected//;
        $form->{"select$_"} =~
          s/option>\Q$form->{$_}\E/option selected>$form->{$_}/;
    }

    for (qw(vendor department)) {
        $form->{"select$_"} = $form->unescape( $form->{"select$_"} );
        $form->{"select$_"} =~ s/ selected//;
        $form->{"select$_"} =~ s/(<option value="\Q$form->{$_}\E")/$1 selected/;
    }

    if ( $form->{selectlanguage} ) {
        $form->{"selectlanguage"} =
          $form->unescape( $form->{"selectlanguage"} );
        $form->{"selectlanguage"} =~ s/ selected//;
        $form->{"selectlanguage"} =~
          s/(<option value="\Q$form->{language_code}\E")/$1 selected/;

        $lang = qq|
	      <tr>
		<th align=right nowrap>| . $locale->text('Language') . qq|</th>
		<td><select name=language_code>$form->{selectlanguage}</select></td>
		<input type=hidden name=oldlanguage_code value=$form->{oldlanguage_code}>
                <input type=hidden name="selectlanguage" value="|
          . $form->escape( $form->{selectlanguage}, 1 ) . qq|">
	      </tr>
|;

    }

    $form->{exchangerate} =
      $form->format_amount( \%myconfig, $form->{exchangerate} );

    $exchangerate = qq|<tr>|;
    $exchangerate .= qq|
                <th align=right nowrap>| . $locale->text('Currency') . qq|</th>
		<td><select name=currency>$form->{selectcurrency}</select></td> |
      if $form->{defaultcurrency};
    $exchangerate .= qq|
                <input type=hidden name=selectcurrency value="$form->{selectcurrency}">
		<input type=hidden name=defaultcurrency value=$form->{defaultcurrency}>
|;

    if (   $form->{defaultcurrency}
        && $form->{currency} ne $form->{defaultcurrency} )
    {
        if ( $form->{forex} ) {
            $exchangerate .= qq|
                <th align=right nowrap>|
              . $locale->text('Exchange Rate')
              . qq|</th>
                <td>$form->{exchangerate}<input type=hidden name=exchangerate value=$form->{exchangerate}></td>
|;
        }
        else {
            $exchangerate .= qq|
                <th align=right nowrap>|
              . $locale->text('Exchange Rate')
              . qq|</th>
                <td><input name=exchangerate size=10 value=$form->{exchangerate}></td>
|;
        }
    }
    $exchangerate .= qq|
<input type=hidden name=forex value=$form->{forex}>
</tr>
|;

    if ( $form->{selectvendor} ) {
        $vendor = qq|<select name=vendor>$form->{selectvendor}</select>
                 <input type=hidden name="selectvendor" value="|
          . $form->escape( $form->{selectvendor}, 1 ) . qq|">|;
    }
    else {
        $vendor = qq|<input name=vendor value="$form->{vendor}" size=35>|;
    }

    $department = qq|
              <tr>
	      <th align="right" nowrap>| . $locale->text('Department') . qq|</th>
	      <td colspan=3><select name=department>$form->{selectdepartment}</select>
	      <input type=hidden name=selectdepartment value="|
      . $form->escape( $form->{selectdepartment}, 1 ) . qq|">
	      </td>
	    </tr>
| if $form->{selectdepartment};

    $n = ( $form->{creditremaining} < 0 ) ? "0" : "1";

    $i     = $form->{rowcount} + 1;
    $focus = "partnumber_$i";

    $form->header;

    print qq|
<body onLoad="document.forms[0].${focus}.focus()" />

<form method=post action="$form->{script}">
|;

    $form->{vc} = "vendor";
    $form->hide_form(
        qw(id title vc type terms creditlimit creditremaining closedto locked 
           shipped oldtransdate recurring reverse batch_id subtype)
    );

    print qq|
<table width=100%>
  <tr class=listtop>
    <th>$form->{title}</th>
  </tr>
  <tr height="5"></tr>
  <tr>
    <td>
      <table width=100%>
        <tr valign=top>
	  <td>
	    <table>
	      <tr>
		<th align=right nowrap>| . $locale->text('Vendor') . qq|</th>
		<td colspan=3>$vendor</td>
		
		<input type=hidden name=vendor_id value=$form->{vendor_id}>
		<input type=hidden name=oldvendor value="$form->{oldvendor}">

	      </tr>
	      <tr>
	        <td></td>
		<td colspan=3>
		  <table>
		    <tr>
		      <th nowrap>| . $locale->text('Credit Limit') . qq|</th>
		      <td>|
      . $form->format_amount( \%myconfig, $form->{creditlimit}, 0, "0" )
      . qq|</td>
		      <td width=20%></td>
		      <th nowrap>| . $locale->text('Remaining') . qq|</th>
		      <td class="plus$n" nowrap>|
      . $form->format_amount( \%myconfig, $form->{creditremaining}, 0, "0" )
      . qq|</td>
		    </tr>
		  </table>
		</td>
	      <tr>
		<th align=right>| . $locale->text('Record in') . qq|</th>
		<td colspan=3><select name=AP>$form->{selectAP}</select></td>
		<input type=hidden name=selectAP value="$form->{selectAP}">
	      </tr>
              $department
	      $exchangerate
	    </table>
	  </td>
	  <td align=right>
	    <table>
	      <tr>
		<th align=right nowrap>| . $locale->text('Invoice Number') . qq|</th>
		<td><input name=invnumber size=20 value="$form->{invnumber}"></td>
	      </tr>
	      <tr>
		<th align=right nowrap>| . $locale->text('Order Number') . qq|</th>
		<td><input name=ordnumber size=20 value="$form->{ordnumber}"></td>
<input type=hidden name=quonumber value="$form->{quonumber}">
	      </tr>
	      <tr>
		<th align=right nowrap>| . $locale->text('Invoice Date') . qq|</th>
		<td><input class="date" name=transdate size=11 title="$myconfig{dateformat}" value=$form->{transdate}></td>
	      </tr>
	      <tr>
		<th align=right nowrap>| . $locale->text('Due Date') . qq|</th>
		<td><input class="date" name=duedate size=11 title="$myconfig{dateformat}" value=$form->{duedate}></td>
	      </tr>
	      <tr>
		<th align=right nowrap>| . $locale->text('PO Number') . qq|</th>
		<td><input name=ponumber size=20 value="$form->{ponumber}"></td>
	      </tr>
	      $lang
	    </table>
	  </td>
	</tr>
      </table>
    </td>
  </tr>
|;

    $form->hide_form(qw(selectcurrency defaultcurrency taxaccounts));

    for ( split / /, $form->{taxaccounts} ) {
        $form->hide_form( "${_}_rate", "${_}_description" );
    }

}

sub form_footer {
    _calc_taxes();
    $form->{invtotal} = $form->{invsubtotal};

    if ( ( $rows = $form->numtextrows( $form->{notes}, 35, 8 ) ) < 2 ) {
        $rows = 2;
    }
    if ( ( $introws = $form->numtextrows( $form->{intnotes}, 35, 8 ) ) < 2 ) {
        $introws = 2;
    }
    $rows = ( $rows > $introws ) ? $rows : $introws;
    $notes =
qq|<textarea name=notes rows=$rows cols=35 wrap=soft>$form->{notes}</textarea>|;
    $intnotes =
qq|<textarea name=intnotes rows=$rows cols=35 wrap=soft>$form->{intnotes}</textarea>|;
    $tax = "";
    $form->{taxincluded} = ( $form->{taxincluded} ) ? "checked" : "";

    $taxincluded = "";
    if ( $form->{taxaccounts} ) {
        $taxincluded = qq|
		<input name=taxincluded class=checkbox type=checkbox value=1 $form->{taxincluded}> <b>|
          . $locale->text('Tax Included') . qq|</b>
|;
    }

    if ( !$form->{taxincluded} ) {
        foreach $item (keys %{$form->{taxes}}) {
            my $taccno = $item;
	    $form->{invtotal} += $form->round_amount($form->{taxes}{$item}, 2);
            $form->{"${taccno}_total"} =
                $form->round_amount($form->{taxes}{$item}, 2);
                $tax .= qq|
		<tr>
		  <th align=right>$form->{"${item}_description"}</th>
		  <td align=right>$form->{"${item}_total"}</td>
		</tr>
|;
        }

        $form->{invsubtotal} =
          $form->format_amount( \%myconfig, $form->{invsubtotal}, 2, 0 );

        $subtotal = qq|
	      <tr>
		<th align=right>| . $locale->text('Subtotal') . qq|</th>
		<td align=right>$form->{invsubtotal}</td>
	      </tr>
|;

    }

    $form->{oldinvtotal} = $form->{invtotal};
    $form->{invtotal} =
    $form->format_amount( \%myconfig, $form->{invtotal}, 2, 0 );
    
    my $hold;
    
    if ($form->{on_hold}) {
        
        $hold = qq| <font size="17"><b> This invoice is On Hold </b></font> |;
    }

    print qq|
  <tr>
    <td>
      <table width=100%>
	<tr valign=bottom>
	    | . $hold . qq|
	
	  <td>
	    <table>
	      <tr>
		<th align=left>| . $locale->text('Notes') . qq|</th>
		<th align=left>| . $locale->text('Internal Notes') . qq|</th>
                <th align=left>| . $locale->text('Import Text') . qq|</th>
	      </tr>
	      <tr valign=top>
		<td>$notes</td>
		<td>$intnotes</td>
                <td><textarea name=import_text rows=$rows cols=25></textarea>
	      </tr>
	    </table>
	  </td>
	  <td align=right>
	    $taxincluded
	    <br>
	    <table>
	      $subtotal
	      $tax
	      <tr>
		<th align=right>| . $locale->text('Total') . qq|</th>
		<td align=right>$form->{invtotal}</td>
	      </tr>
	    </table>
	  </td>
	</tr>
      </table>
    </td>
  </tr>
  <tr>
    <td>
      <table width=100%>
        <tr>
	  <th colspan=6 class=listheading>| . $locale->text('Payments') . qq|</th>
	</tr>
|;

    if ( $form->{currency} eq $form->{defaultcurrency} ) {
        @column_index = qw(datepaid source memo paid AP_paid);
    }
    else {
        @column_index = qw(datepaid source memo paid exchangerate AP_paid);
    }

    $column_data{datepaid}     = "<th>" . $locale->text('Date') . "</th>";
    $column_data{paid}         = "<th>" . $locale->text('Amount') . "</th>";
    $column_data{exchangerate} = "<th>" . $locale->text('Exch') . "</th>";
    $column_data{AP_paid}      = "<th>" . $locale->text('Account') . "</th>";
    $column_data{source}       = "<th>" . $locale->text('Source') . "</th>";
    $column_data{memo}         = "<th>" . $locale->text('Memo') . "</th>";

    print qq|
	<tr>
|;
    for (@column_index) { print "$column_data{$_}\n" }
    print qq|
	</tr>
|;

    $form->{paidaccounts}++ if ( $form->{"paid_$form->{paidaccounts}"} );
    for $i ( 1 .. $form->{paidaccounts} ) {

        $form->hide_form("cleared_$i");

        print qq|
	<tr>
|;

        $form->{"selectAP_paid_$i"} = $form->{selectAP_paid};
        $form->{"selectAP_paid_$i"} =~
s/option>\Q$form->{"AP_paid_$i"}\E/option selected>$form->{"AP_paid_$i"}/;

        # format amounts
        $totalpaid += $form->{"paid_$i"};
        $form->{"paid_$i"} =
          $form->format_amount( \%myconfig, $form->{"paid_$i"}, 2 );
        $form->{"exchangerate_$i"} =
          $form->format_amount( \%myconfig, $form->{"exchangerate_$i"} );

        $exchangerate = qq|&nbsp;|;
        if ( $form->{currency} ne $form->{defaultcurrency} ) {
            if ( $form->{"forex_$i"} ) {
                $exchangerate =
qq|<input type=hidden name="exchangerate_$i" value=$form->{"exchangerate_$i"}>$form->{"exchangerate_$i"}|;
            }
            else {
                $exchangerate =
qq|<input name="exchangerate_$i" size=10 value=$form->{"exchangerate_$i"}>|;
            }
        }
        $exchangerate .= qq|
<input type=hidden name="forex_$i" value=$form->{"forex_$i"}>
|;

        $column_data{"paid_$i"} =
qq|<td align=center><input name="paid_$i" size=11 value=$form->{"paid_$i"}></td>|;
        $column_data{"exchangerate_$i"} =
          qq|<td align=center>$exchangerate</td>|;
        $column_data{"AP_paid_$i"} =
qq|<td align=center><select name="AP_paid_$i">$form->{"selectAP_paid_$i"}</select></td>|;
        $column_data{"datepaid_$i"} =
qq|<td align=center><input class="date" name="datepaid_$i" size=11 title="$myconfig{dateformat}" value=$form->{"datepaid_$i"}></td>|;
        $column_data{"source_$i"} =
qq|<td align=center><input name="source_$i" size=11 value="$form->{"source_$i"}"></td>|;
        $column_data{"memo_$i"} =
qq|<td align=center><input name="memo_$i" size=11 value="$form->{"memo_$i"}"></td>|;

        for (@column_index) { print qq|$column_data{"${_}_$i"}\n| }

        print qq|
	</tr>
|;
    }

    $form->{oldtotalpaid} = $totalpaid;
    $form->hide_form(qw(paidaccounts selectAP_paid oldinvtotal oldtotalpaid));

    print qq|
      </table>
    </td>
  </tr>
  <tr>
    <td><hr size=3 noshade></td>
  </tr>
</table>
<br>
|;

    $transdate = $form->datetonum( \%myconfig, $form->{transdate} );
    $closedto  = $form->datetonum( \%myconfig, $form->{closedto} );

    # type=submit $locale->text('Update')
    # type=submit $locale->text('Post')
    # type=submit $locale->text('Post as new')
    # type=submit $locale->text('Schedule')
    # type=submit $locale->text('Purchase Order')
    # type=submit $locale->text('Delete')

    if ( !$form->{readonly} ) {
        %button = (
            'update' =>
              { ndx => 1, key => 'U', value => $locale->text('Update') },
            'post' => { ndx => 3, key => 'O', value => $locale->text('Post') },
            'post_as_new' =>
              { ndx => 5, key => 'N', value => $locale->text('Post as new') },
            'purchase_order' => {
                ndx   => 6,
                key   => 'L',
                value => $locale->text('Purchase Order')
            },
            'schedule' =>
              { ndx => 7, key => 'H', value => $locale->text('Schedule') },
            'delete' =>
              { ndx => 8, key => 'D', value => $locale->text('Delete') },
            'on_hold' =>
              { ndx => 9, key=> 'O', value => $locale->text('On Hold') },
        );

        if ( $form->{id} ) {

            if ( $form->{locked} ) {
                for ( "post", "delete", 'on_hold' ) { delete $button{$_} }
            }

        }
        else {

            if ( $transdate > $closedto ) {
                for ( 'update', 'post', 'schedule' ) { $allowed{$_} = 1 }
                for ( keys %button ) { delete $button{$_} if !$allowed{$_} }
            }
            elsif ($closedto) {
                %buttons = ();
            }
        }

        for ( sort { $button{$a}->{ndx} <=> $button{$b}->{ndx} } keys %button )
        {
            $form->print_button( \%button, $_ );
        }

    }

    if ( $form->{lynx} ) {
        require "bin/menu.pl";
        &menubar;
    }

    $form->hide_form(qw(rowcount callback path login sessionid));

    print qq|
</form>

</body>
</html>
|;

}

sub import_text {
    my @o_list;
    my @i_lines = split( /(\n|\r|\r\n)/, $form->{import_text} );
    foreach $i (@i_lines) {
        chomp($i);
        if ( $i ne "" ) {    # Strip out blank lines
            push @o_list, $i;
        }
    }
    my $c          = 1;
    my $linenumber = 0;
    foreach $l (@o_list) {
        if ( $c % 2 ) {
            $linenumber += 1;
            $form->{"partnumber_$linenumber"} = $l;
        }
        else {
            $form->{"qty_$linenumber"} = $l;
        }
        $c += 1;
        $form->{rowcount} = $linenumber;
        IR->retrieve_item( \%myconfig, \%$form );
        $rows = scalar @{ $form->{item_list} };
        $rows = 0 unless $rows;
        $i    = $form->{rowcount};
        if ( $rows = 0 ) {
            $form->{"id_$i"}   = 0;
            $form->{"unit_$i"} = $locale->text('ea');

            &new_item;
        }
        elsif ( $rows > 1 ) {
            &select_item;
            exit;
        }
        else {
            map {
                $form->{item_list}[$i]{$_} =
                  $form->quote( $form->{item_list}[$i]{$_} )
            } qw(partnumber description unit);

            map { $form->{"${_}_$i"} = $form->{item_list}[0]{$_} }
              keys %{ $form->{item_list}[0] };

            $s = ($sellprice) ? $sellprice : $form->{"sellprice_$i"};

            ($dec) = ( $s =~ /\.(\d+)/ );
            $dec = length $dec;
            $decimalplaces = ( $dec > 2 ) ? $dec : 2;

            $amount =
              $form->{"sellprice_$i"} * $form->{"qty_$i"} *
              ( 1 - $form->{"discount_$i"} / 100 );
            map { $form->{"${_}_base"} = 0 }
              ( split / /, $form->{taxaccounts} );
            map { $form->{"${_}_base"} += $amount }
              ( split / /, $form->{"taxaccounts_$i"} );
            if ( !$form->{taxincluded} ) {
                my @taxes = Tax::init_taxes( $form, $form->{taxaccounts} );
                $amount +=
                  ( Tax::calculate_taxes( \@taxes, $form, $amount, 0 ) );
            }

            $form->{creditremaining} -= $amount;

            $form->{"sellprice_$i"} =
              $form->format_amount( \%myconfig, $form->{"sellprice_$i"},
                $decimalplaces );
            $form->{"qty_$i"} =
              $form->format_amount( \%myconfig, $form->{"qty_$i"} );

        }
        $form->{item_list} = [];
    }
    ++$form->{rowcount};
}

sub update {
    if ( $form->{import_text} ) {
        &import_text;
    }
    $form->{exchangerate} =
      $form->parse_amount( \%myconfig, $form->{exchangerate} );

    if ( $newname = &check_name(vendor) ) {
        &rebuild_vc( vendor, AP, $form->{transdate}, 1 );
    }
    if ( $form->{transdate} ne $form->{oldtransdate} ) {
        $form->{duedate} =
          ( $form->{terms} )
          ? $form->current_date( \%myconfig, $form->{transdate},
            $form->{terms} * 1 )
          : $form->{duedate};
        $form->{oldtransdate} = $form->{transdate};
        &rebuild_vc( vendor, AP, $form->{transdate}, 1 ) if !$newname;

        if ( $form->{currency} ne $form->{defaultcurrency} ) {
            delete $form->{exchangerate};
            $form->{exchangerate} = $exchangerate
              if (
                $form->{forex} = (
                    $exchangerate = $form->check_exchangerate(
                        \%myconfig,         $form->{currency},
                        $form->{transdate}, 'sell'
                    )
                )
              );
            $form->{oldcurrency} = $form->{currency};
        }
    }

    if ( $form->{currency} ne $form->{oldcurrency} ) {
        delete $form->{exchangerate};
        $form->{exchangerate} = $exchangerate
          if (
            $form->{forex} = (
                $exchangerate = $form->check_exchangerate(
                    \%myconfig,         $form->{currency},
                    $form->{transdate}, 'sell'
                )
            )
          );
    }

    $j = 1;
    for $i ( 1 .. $form->{paidaccounts} ) {
        if ( $form->{"paid_$i"} ) {
            for (qw(datepaid source memo cleared)) {
                $form->{"${_}_$j"} = $form->{"${_}_$i"};
            }
            for (qw(paid exchangerate)) {
                $form->{"${_}_$j"} =
                  $form->parse_amount( \%myconfig, $form->{"${_}_$i"} );
            }

            $form->{"exchangerate_$j"} = $exchangerate
              if (
                $form->{"forex_$j"} = (
                    $exchangerate = $form->check_exchangerate(
                        \%myconfig,             $form->{currency},
                        $form->{"datepaid_$j"}, 'sell'
                    )
                )
              );
            if ( $j++ != $i ) {
                for (qw(datepaid source memo cleared paid exchangerate forex)) {
                    delete $form->{"${_}_$i"};
                }
            }
        }
        else {
            for (qw(datepaid source memo cleared paid exchangerate forex)) {
                delete $form->{"${_}_$i"};
            }
        }
        $form->{paidaccounts} = $j;
    }

    $i = $form->{rowcount};
    $exchangerate = ( $form->{exchangerate} ) ? $form->{exchangerate} : 1;

    for (qw(partsgroup projectnumber)) {
        $form->{"select$_"} = $form->unescape( $form->{"select$_"} )
          if $form->{"select$_"};
    }

    if (   ( $form->{"partnumber_$i"} eq "" )
        && ( $form->{"description_$i"} eq "" )
        && ( $form->{"partsgroup_$i"}  eq "" ) )
    {

        $form->{creditremaining} +=
          ( $form->{oldinvtotal} - $form->{oldtotalpaid} );
        &check_form;

    }
    else {

        IR->retrieve_item( \%myconfig, \%$form );

        my $rows = scalar @{ $form->{item_list} };

        if ( $form->{language_code} && $rows == 0 ) {
            $language_code = $form->{language_code};
            $form->{language_code} = "";
            IR->retrieve_item( \%myconfig, \%$form );
            $form->{language_code} = $language_code;
            $rows = scalar @{ $form->{item_list} };
        }

        if ($rows) {

            if ( $rows > 1 ) {

                &select_item;
                exit;

            }
            else {

                $form->{"qty_$i"} =
                  ( $form->{"qty_$i"} * 1 ) ? $form->{"qty_$i"} : 1;

                $sellprice =
                  $form->parse_amount( \%myconfig, $form->{"sellprice_$i"} );

                for (qw(partnumber description unit)) {
                    $form->{item_list}[$i]{$_} =
                      $form->quote( $form->{item_list}[$i]{$_} );
                }

                for ( keys %{ $form->{item_list}[0] } ) {
                    $form->{"${_}_$i"} = $form->{item_list}[0]{$_};
                }
                if (! defined $form->{"discount_$i"}){
                    $form->{"discount_$i"} = $form->{discount} * 100;
                }
                if ($sellprice) {
                    $form->{"sellprice_$i"} = $sellprice;

                    ($dec) = ( $form->{"sellprice_$i"} =~ /\.(\d+)/ );
                    $dec = length $dec;
                    $decimalplaces = ( $dec > 2 ) ? $dec : 2;
                }
                else {
                    ($dec) = ( $form->{"sellprice_$i"} =~ /\.(\d+)/ );
                    $dec = length $dec;
                    $decimalplaces = ( $dec > 2 ) ? $dec : 2;

                    $form->{"sellprice_$i"} /= $exchangerate;
                }

                $amount =
                  $form->{"sellprice_$i"} * $form->{"qty_$i"} *
                  ( 1 - $form->{"discount_$i"} / 100 );
                for ( split / /, $form->{taxaccounts} ) {
                    $form->{"${_}_base"} = 0;
                }
                for ( split / /, $form->{"taxaccounts_$i"} ) {
                    $form->{"${_}_base"} += $amount;
                }
                if ( !$form->{taxincluded} ) {
                    my @taxes = Tax::init_taxes(
                        $form,
                        $form->{"taxaccounts_$i"},
                        $form->{"taxaccounts"}
                    );
                    $amount +=
                      ( Tax::calculate_taxes( \@taxes, $form, $amount, 0 ) );
                }

                $form->{creditremaining} -= $amount;

                $form->{"sellprice_$i"} =
                  $form->format_amount( \%myconfig, $form->{"sellprice_$i"},
                    $decimalplaces );

                $form->{"oldqty_$i"} = $form->{"qty_$i"};
                for (qw(qty discount)) {
                    $form->{"{_}_$i"} =
                      $form->format_amount( \%myconfig, $form->{"${_}_$i"} );
                }

            }

            &display_form;

        }
        else {

            # ok, so this is a new part
            # ask if it is a part or service item

            if (   $form->{"partsgroup_$i"}
                && ( $form->{"partsnumber_$i"} eq "" )
                && ( $form->{"description_$i"} eq "" ) )
            {
                $form->{"discount_$i"} = "";
                &display_form;
            }
            else {

                $form->{"id_$i"}   = 0;
                $form->{"unit_$i"} = $locale->text('ea');

                &new_item;

            }
        }
    }
}

sub post {

    $form->isblank( "transdate", $locale->text('Invoice Date missing!') );
    $form->isblank( "vendor",    $locale->text('Vendor missing!') );

    # if the vendor changed get new values
    if ( &check_name(vendor) ) {
        &update;
        exit;
    }

    &validate_items;

    $closedto  = $form->datetonum( \%myconfig, $form->{closedto} );
    $transdate = $form->datetonum( \%myconfig, $form->{transdate} );

    $form->error( $locale->text('Cannot post invoice for a closed period!') )
      if ( $transdate <= $closedto );

    $form->isblank( "exchangerate", $locale->text('Exchange rate missing!') )
      if ( $form->{currency} ne $form->{defaultcurrency} );

    for $i ( 1 .. $form->{paidaccounts} ) {
        if ( $form->{"paid_$i"} ) {
            $datepaid = $form->datetonum( \%myconfig, $form->{"datepaid_$i"} );

            $form->isblank( "datepaid_$i",
                $locale->text('Payment date missing!') );

            $form->error(
                $locale->text('Cannot post payment for a closed period!') )
              if ( $datepaid <= $closedto );

            if ( $form->{currency} ne $form->{defaultcurrency} ) {
                $form->{"exchangerate_$i"} = $form->{exchangerate}
                  if ( $transdate == $datepaid );
                $form->isblank( "exchangerate_$i",
                    $locale->text('Exchange rate for payment missing!') );
            }
        }
    }

    if ( !$form->{repost} ) {
        if ( $form->{id} ) {
            &repost;
            exit;
        }
    }

    ( $form->{AP} )      = split /--/, $form->{AP};
    ( $form->{AP_paid} ) = split /--/, $form->{AP_paid};

    if ( IR->post_invoice( \%myconfig, \%$form ) ) {
        $form->redirect(
            $locale->text( 'Invoice [_1] posted!', $form->{invnumber} ) );
    }
    else {
        $form->error( $locale->text('Cannot post invoice!') );
    }

}

sub delete {

    $form->header;

    print qq|
<body>

<form method=post action=$form->{script}>
|;

    $form->{action} = "yes";
    $form->hide_form;

    print qq|
<h2 class=confirm>| . $locale->text('Confirm!') . qq|</h2>

<h4>|
      . $locale->text( 'Are you sure you want to delete Invoice Number [_1]?',
        $form->{invnumber} )
      . qq|</h4>
<p>
<button name="action" class="submit" type="submit" value="yes">|
      . $locale->text('Yes')
      . qq|</button>
</form>
|;

}

sub yes {

    if ( IR->delete_invoice( \%myconfig, \%$form ) ) {
        $form->redirect( $locale->text('Invoice deleted!') );
    }
    else {
        $form->error( $locale->text('Cannot delete invoice!') );
    }

}

sub on_hold {
    
    if ($form->{id}) {
        
        my $toggled = IS->toggle_on_old($form);
    
        #&invoice_links(); # is that it?
        &edit(); # it was already IN edit for this to be reached.
    }    
}