#!/usr/bin/perl
use Tk;
require Tk::Dialog;
use C4::Circulation::Circ2;

require Exporter;
use DBI;


my %env;

my $issuebut, $returnbut, $mainholder;
my $borrnumber, $borrower, $borrowerlist;
my @items2, $currentissues;
my $returnedframe;
my (@flagbold, @flagnormal, @flagnoissues, @flagtag, @textnoissues);
@flagbold=(-background=>undef, -foreground=>'blue', -underline=>1, -relief=>'sunken', -borderwidth=>1);
@flagnormal=(-background=>undef, -foreground=>'blue', -underline=>1, -relief=>'flat');
@flagtag=(-background=>undef, -foreground=>'blue', -underline=>1, -relief=>'flat');
@flagnoissues=(-background=>undef, -foreground=>'red', -underline=>1, -relief=>'flat');
@textnoissues=(-background=>undef, -foreground=>'red', -relief=>'flat');
@flagnoissuesbold=(-background=>undef, -foreground=>'red', -underline=>1, -relief=>'sunken', -borderwidth=>1);

my $MW=MainWindow->new(-height => 500, -width => 600);
$MW->fontCreate('C_normal',-family => 'courier', -size => -12);
my $titlebar=$MW->Frame(-height => 100, -width => 600, -relief => 'ridge', -borderwidth => '4');
my $frametop=$MW->Frame(-height => 100, -width => 600, -relief => 'ridge', -borderwidth => '2');
my $framebot=$MW->Frame(-height => 430, -width => 600, -relief => 'ridge', -borderwidth => '2');
my $kohalabel=$titlebar->Label(-text => 'Koha');
my $menulabel=$titlebar->Label(-text => 'Main Menu');
my $branchlabel=$titlebar->Label(-text => 'Stewart Elementary-lp');
$kohalabel->pack(qw/-side left -padx 10/);
$branchlabel->pack(qw/-side left -padx 10 -fill x -expand 1/);
$menulabel->pack(qw/-side left -padx 10/);
my $issuesbut=$frametop->Button(-text => 'Issues', -underline => 0, -command => sub { $data='Issues'; getborrnumber(); });
$issuesbut->pack(qw/-side left -padx 2 -pady 2 -expand 1 -fill x/);
my $returnsbut=$frametop->Button(-text => 'Returns', -underline => 0, -command => sub { $data='Returns'; returns(); });
$returnsbut->pack(qw/-side right -padx 2 -pady 2 -expand 1 -fill x/);
Tk::grid($titlebar, -col => 0, -row => 0, -sticky => 'nsew');
Tk::grid($frametop, -col => 0, -row => 1, -sticky => 'nsew');
Tk::grid($framebot, -col => 0, -row => 2, -sticky => 'nsew');

MainLoop;



sub getborrnumber {
    @items2=();
    ($mainholder) && ($mainholder->destroy);
    $mainholder=$framebot->Frame(-height => 500, -width => 600);
    Tk::grid($mainholder, -col => 0, -row => 0, -sticky => 'nsew');
    $mainholder->gridPropagate(0);
    my $borrentryframe=$mainholder->Frame(-height => 40, -width => 200, -relief=>'ridge', -borderwidth=>4);
    $borrentryframe->pack(-ipadx => 10, -ipady => 10);
    $label=$borrentryframe->Label(-text => "Borrower CardNumber\nor Last Name:", -anchor => 'w');
    Tk::grid($label, -col => 0, -row => 0, -sticky => 'nw');
    $borrentry=$borrentryframe->Entry(-width => 15);
    $borrentry->bind('<Return>' => \&checkborrower);
    Tk::grid($borrentry, -col => 1, -row => 0, -sticky => 'nw');
    $borrentry->focus;
#Check for surname entry instead of borrower card number
}


sub checkborrower {
    $key=$borrentry->get();
    my ($borrowers, $flags) = findborrower($env, $key);
    my @borrowers=@$borrowers;
    if ($#borrowers==0) {
	$borrnumber=$borrowers[0]->{'borrowernumber'};
	issues();
    } elsif ($#borrowers>0) {
	($mainholder) && ($mainholder->destroy);
	$mainholder=$framebot->Frame(-height => 500, -width => 500);
	Tk::grid($mainholder, -col => 0, -row => 0, -sticky => 'nsew');
	my $frame=$mainholder->Frame(-height => 500, -width => 500, -relief => 'ridge', -borderwidth => '5');
	Tk::grid($frame, -col=>0, -row=>0, -sticky => 'nsew');
	$frame->pack(-ipadx=>10, -ipady=>10);
	my $label=$frame->Label(-text => 'Pick a Patron', -justify => 'center', -relief => 'ridge', -borderwidth => 3);
	Tk::grid($label, -col => 0, -row => 0, -sticky => 'nsew');
	$borrowerlist=$frame->Scrolled(Listbox, -width => '50', -height => '10', -setgrid => '1', -scrollbars => 'se', -font => 'C_normal');
	$borrowerlist->bind('<Double-1>' => \&pickborrower);
	$borrowerlist->bind('<Return>' => \&pickborrower);
	Tk::grid($borrowerlist, -col => 0, -row => 1, -sticky => 'n', -pady => 10);
	my $buttonframe=$frame->Frame(-height=>40, -width =>500);
	Tk::grid($buttonframe, -col => 0, -row => 2);
	my $okbutton=$buttonframe->Button(-text => 'OK', -command => \&pickborrower);
	$okbutton->pack(-side => 'left', -padx => 10, -pady => 10);
	my $cancelbutton=$buttonframe->Button(-text => 'Cancel', -command => \&getborrnumber);
	$cancelbutton->pack(-side => 'left', -padx => 10, -pady => 10);
	my @borrowerlist;
	my $borrower;
	foreach $borrower (@borrowers) {
	    my $cardnumber=$borrower->{'cardnumber'};
	    my $categorycode=$borrower->{'categorycode'};
	    my $name=$borrower->{'surname'}.", ".$borrower->{'firstname'};
	    my $line = sprintf "%10s %4s %-25s", $cardnumber, $categorycode, $name;
	    push (@borrowerlist, $line);
	}
	$borrowerlist->insert(0,@borrowerlist);
	$borrowerlist->activate(0);
	$borrowerlist->focus();
    }
}

sub pickborrower {
    my $line=$borrowerlist->get('active');
    $line=~s/^\s*//;
    my $borcardnumber=(split(/\s+/, $line))[0];
    my ($borrower,$flags)=getpatroninformation($env, 0, $borcardnumber);
    $borrnumber = $borrower->{'borrowernumber'};
    issues();
}

sub issues {
    my ($borrower, $flags) = getpatroninformation($env,$borrnumber,0);
    my ($items) = currentissues($env, $borrower);
    #my $previssues='';
    #open O, ">>/root/tkcirc.out";
    #foreach (sort {$items->{$a} cmp $items->{$b}} keys %$items) {
#	$previssues.="$_->{'title'} $_->{'author'} $_->{'barcode'}\n";
#    }
#    print O "PREVISSUES\n$previssues\n";
#    close O;
    $mainholder->destroy;
    $mainholder=$framebot->Frame();
    Tk::grid($mainholder, -col => 0, -row => 0, -sticky => 'n');
    $mainholder->gridPropagate(0);
    $topline=$mainholder->Frame();
    $topline->pack(-side => top, -fill => 'x', -expand => '1');


    $barcodeduedate=$topline->LabFrame(-label=>'Item Information', -height=>80, -width=>100, -labelside=>acrosstop);
    Tk::grid($barcodeduedate, -col => 0, -row => 0, -sticky => 'nsew');
    $barcodelabel=$barcodeduedate->Label(-text => 'Item Barcode:', -justify => right, -anchor => e);
    Tk::grid($barcodelabel, -col => 0, -row => 0, -sticky => 'e');
    $barcodeentry=$barcodeduedate->Entry(-width => 15);
    $barcodeentry->bind('<Return>' => \&issuebk);
    $barcodeentry->bind('<Escape>' => \&getborrnumber);
    $barcodeentry->grid(-col => 1, -row => 0);
    $barcodeentry->focus;
    $duedatelabel=$barcodeduedate->Label(-text => 'Due Date:', -justify => right, -anchor => e);
    Tk::grid($duedatelabel, -col => 0, -row => 1, -sticky => 'e');
    $duedateentry=$barcodeduedate->Entry(-width => 15);
    $duedateentry->bind('<Return>' => \&issuebk);
    $duedateentry->grid(-col => 1, -row => 1);
    $middle=$topline->Frame(-width => 40);
    Tk::grid($middle, -col => 1, -sticky => 'ew');

    $biframe=$topline->LabFrame(-label=>'Patron Information', -labelside=>acrosstop);
    Tk::grid($biframe, -col=>2, -row=>0, -sticky=>'nsew');
    $borrowerinfo=$biframe->Text(-height => 4, -width => 40, -wrap => none, -relief=>flat);
    my $line = "$borrower->{'cardnumber'} ";
    $line .= "$borrower->{'surname'}, ";
    $line .= "$borrower->{'title'} $borrower->{'firstname'}\n";
    $line .= "$borrower->{'streetaddress'}, $borrower->{'city'}\n";
    $line .= "$borrower->{'categorycode'}  ";
    $borrowerinfo->insert('0.0',$line);
    open O, ">>/root/tkcirc.out";
    my $flag='';
    my $nossisues=0;
    foreach $flag (sort keys %$flags) {
	print O "Configuring flag $flag\n";
	$borrowerinfo->insert('end', $flag, "$flag", " ");
	if ($flags->{$flag}->{'noissues'}) {
	    $noissues=1;
	    $borrowerinfo->tag('configure', "$flag", @flagnoissues);
	    $borrowerinfo->tag('bind', "$flag", "<Any-Leave>" => sub {shift->tag('configure', "$flag", @flagnoissues)});
	    $borrowerinfo->tag('bind', "$flag", "<Any-Enter>" => sub {shift->tag('configure', "$flag", @flagnoissuesbold)});
	} else {
	    $borrowerinfo->tag('configure', "$flag", @flagtag);
	    $borrowerinfo->tag('bind', "$flag", "<Any-Leave>" => sub {shift->tag('configure', "$flag", @flagtag)});
	    $borrowerinfo->tag('bind', "$flag", "<Any-Enter>" => sub {shift->tag('configure', "$flag", @flagbold)});
	}

	$borrowerinfo->tag('bind', "$flag", "<1>" => sub {&patronnote($borrower,$flags, $flag)});
    }
    close O;
    if ($noissues) {
	$borrowerinfo->insert('end', "\n", "");
	$borrowerinfo->insert('end', "No issues allowed for this borrower!", "noissuestag");
	$borrowerinfo->tag('configure', 'noissuestag', @textnoissues);
    }
    


    #$borrowerinfo->insert('0.0',$line);
    $borrowerinfo->configure(-state => 'disabled');
    $borrowerinfo->pack;
    my $ciframe=$mainholder->LabFrame(-label=>'Current Issues', -labelside=>acrosstop);
    $ciframe->pack;




    $currentissues=$ciframe->Table(-rows=>10, -columns=>5, -scrollbars=>'e', -fixedrows=>1, -takefocus=>1);
    $currentissues->pack();
    $currentissues->put(0,0,$currentissues->Label(-text=>"Due Date", -relief => 'groove', borderwidth=>'3'));
    $currentissues->put(0,1,$currentissues->Label(-text=>"Bar Code", -relief => 'groove', borderwidth=>'3'));
    $currentissues->put(0,2,$currentissues->Label(-text=>"Title", -relief => 'groove', borderwidth=>'3', -width=>35));
    $currentissues->put(0,3,$currentissues->Label(-text=>"Author", -relief => 'groove', borderwidth=>'3', -width=>20));
    $currentissues->put(0,4,$currentissues->Label(-text=>"Class", -relief => 'groove', borderwidth=>'3'));
    $currentissues->see(0,0);
    $currentissues->see(0,1);
    $currentissues->see(0,2);
    $currentissues->see(0,3);
    $currentissues->see(0,4);
    $currentissues->see(0,5);

    my $piframe=$mainholder->LabFrame(-label=>'Previous Issues', -labelside=>acrosstop);
    $piframe->pack;
    $previousissues=$piframe->Table(-rows=>10, -columns=>5, -scrollbars=>'e', -fixedrows=>1, -takefocus=>1);
    $previousissues->pack();
    $previousissues->put(0,0,$previousissues->Label(-text=>"Due Date", -relief => 'groove', borderwidth=>'3'));
    $previousissues->put(0,1,$previousissues->Label(-text=>"Bar Code", -relief => 'groove', borderwidth=>'3'));
    $previousissues->put(0,2,$previousissues->Label(-text=>"Title", -relief => 'groove', borderwidth=>'3', -width=>35));
    $previousissues->put(0,3,$previousissues->Label(-text=>"Author", -relief => 'groove', borderwidth=>'3', -width=>20));
    $previousissues->put(0,4,$previousissues->Label(-text=>"Class", -relief => 'groove', borderwidth=>'3'));
    $previousissues->see(0,0);
    $previousissues->see(0,1);
    $previousissues->see(0,2);
    $previousissues->see(0,3);
    $previousissues->see(0,4);

    my ($borrowerissues) = currentissues($env, $borrower);
    my $counter=1;
    #foreach (sort {$items->{$a} cmp $items->{$b}} keys %$items) {
    foreach (sort keys %$borrowerissues) {
	my $bookissue=$borrowerissues->{$_};
	$previousissues->put($counter,0,$previousissues->Label(-text=>$bookissue->{'duedate'}, -relief=>'groove', -borderwidth=>'2'));
	$previousissues->put($counter,1,$previousissues->Label(-text=>$bookissue->{'barcode'}, -relief=>'groove', -borderwidth=>'2'));
	$previousissues->put($counter,2,$previousissues->Label(-text=>$bookissue->{'title'}, -relief=>'groove', -borderwidth=>'2'));
	$previousissues->put($counter,3,$previousissues->Label(-text=>$bookissue->{'author'}, -relief=>'groove', -borderwidth=>'2'));
	$previousissues->put($counter,4,$previousissues->Label(-text=>$bookissue->{'dewey'}.$bookissue->{'subclass'}, -relief=>'groove', -borderwidth=>'2'));
	$previousissues->see($counter,0);
	$previousissues->see($counter,1);
	$previousissues->see($counter,2);
	$previousissues->see($counter,3);
	$previousissues->see($counter,4);
	$counter++;

    }
}

sub patronnote {
    my ($borrower, $flags, $flag) = @_;
    my $flaginfo=$flags->{$flag};
    info_msg($env, "$borrower->{'surname'} $flag\n$flags->{$flag}->{'message'}");
}

sub error_msg {
    my ($env, $message) = @_;
    $MW->bell();
    my $button = $MW->messageBox(-type => 'OK', -title => 'Error Message', -message => "$message");
}


sub info_msg {
    my ($env, $message) = @_;
    my $window=$MW->Toplevel();
    $window->title('Informational Message');
    my $text=$window->Scrolled('Text', -height=>4, -width=>40, -wrap=>'word', -scrollbars=>'oe');
    $text->pack(-expand=>1, -fill=>'both');
    $text->insert('0.0', "$message");
    #$text->configure(-state => 'disabled');
    my $button=$window->Button(-text=>'OK', -command => sub { $window->destroy()});
    $button->pack();
    $window->bind('<Return>' => sub {$window->destroy()});
}

sub info_msg_old {
    $MW->bell();
    my ($env, $message) = @_;
    my $button = $MW->messageBox(-type => 'OK', -title => 'Informational Message', -message => "$message");
}

sub msg_yn {
    $MW->bell();
    my ($env, $message1, $message2, $message3) =@_;
    my $message = $message1;
    ($message2) && ($message.="\n$message2");
    ($message3) && ($message.="\n$message3");
    my $button = $MW->messageBox(-type => 'YesNo', -default => 'Yes', -title => 'Message', -message => "$message");
    $button=substr($button,0,1);
    return ($button);
}


sub msg_ny {
    $MW->bell();
    my ($env, $message1, $message2, $message3) =@_;
    my $message = $message1;
    ($message2) && ($message.="\n$message2");
    ($message3) && ($message.="\n$message3");
    my $button = $MW ->messageBox(-type => 'YesNo', -default => 'No', -title => 'Message', -message => "$message");
    $button=substr($button,0,1);
    return ($button);
}


sub updateissues {
  # issue the book
  my ($env,$itemno,$bitno,$dbh,$bornum)=@_;
  my $loanlength=21;
  my $query="Select *  from biblioitems,itemtypes
  where (biblioitems.biblioitemnumber='$bitno') 
  and (biblioitems.itemtype = itemtypes.itemtype)";
  my $sth=$dbh->prepare($query);
  $sth->execute;
  if (my $data=$sth->fetchrow_hashref) {
    $loanlength = $data->{'loanlength'}
  }
  $sth->finish;	        
  my $dateduef;
  if ($env->{'loanlength'} eq "") {
    my $ti = time;
    my $datedue = time + ($loanlength * 86400);
    my @datearr = localtime($datedue);
    $dateduef = (1900+$datearr[5])."-".($datearr[4]+1)."-".$datearr[3];
  } else {
    my $ti = time;
    my $datedue = time + ($env->{'loanlength'} * 86400);
    my @datearr = localtime($datedue);
    $dateduef = (1900+$datearr[5])."-".($datearr[4]+1)."-".$datearr[3];
  }  
  $query = "Insert into issues (borrowernumber,itemnumber, date_due,branchcode)
  values ($bornum,$itemno,'$dateduef','$env->{'branchcode'}')";
  my $sth=$dbh->prepare($query);
  $sth->execute;
  $sth->finish;
  $query = "Select * from items where itemnumber=$itemno";
  $sth=$dbh->prepare($query);
  $sth->execute;
  my $item=$sth->fetchrow_hashref;
  $sth->finish;
  $item->{'issues'}++;
  $query="Update items set issues=$item->{'issues'} where itemnumber=$itemno";
  $sth=$dbh->prepare($query);
  $sth->execute;
  $sth->finish;
  my @datearr = split('-',$dateduef);
  my $dateret = join('-',$datearr[2],$datearr[1],$datearr[0]);
  return($dateret);
}

sub returnrecord {
  # mark items as returned
  my ($env,$dbh,$bornum,$itemno)=@_;
  #my $amt_owing = calc_odues($env,$dbh,$bornum,$itemno);
  my @datearr = localtime(time);
  my $dateret = (1900+$datearr[5])."-".$datearr[4]."-".$datearr[3];
  my $query = "update issues set returndate = now(), branchcode ='$env->{'branchcode'}' where (borrowernumber = '$bornum') and (itemnumber = '$itemno') and (returndate is null)";  
  my $sth = $dbh->prepare($query);
  $sth->execute;
  $sth->finish;
  updatelastseen($env,$dbh,$itemno);
  # check for overdue fine
  my $oduecharge;
  my $query = "select * from accountlines where (borrowernumber = '$bornum') and (itemnumber = '$itemno') and (accounttype = 'FU' or accounttype='O')";
  my $sth = $dbh->prepare($query);
    $sth->execute;
    if (my $data = $sth->fetchrow_hashref) {
       # alter fine to show that the book has been returned.
       my $uquery = "update accountlines set accounttype = 'F' where (borrowernumber = '$bornum') and (itemnumber = '$itemno') and (accountno = '$data->{'accountno'}') ";
       my $usth = $dbh->prepare($uquery);
       $usth->execute();
       $usth->finish();
       $oduecharge = $data->{'amountoutstanding'};
    }
    $sth->finish;
  # check for charge made for lost book
  my $query = "select * from accountlines 
    where (borrowernumber = '$bornum') 
    and (itemnumber = '$itemno')
    and (accounttype = 'L')";
  my $sth = $dbh->prepare($query);
  $sth->execute;
  if (my $data = $sth->fetchrow_hashref) {
    # writeoff this amount 
    my $offset;
    my $amount = $data->{'amount'};
    my $acctno = $data->{'accountno'};
    my $amountleft;
    if ($data->{'amountoutstanding'} == $amount) {
       $offset = $data->{'amount'};
       $amountleft = 0;
    } else {
       $offset = $amount - $data->{'amountoutstanding'};
       $amountleft = $data->{'amountoutstanding'} - $amount;
    }
    my $uquery = "update accountlines
      set accounttype = 'LR',amountoutstanding='0'
      where (borrowernumber = '$bornum')
      and (itemnumber = '$itemno')
      and (accountno = '$acctno') ";
    my $usth = $dbh->prepare($uquery);
    $usth->execute();
    $usth->finish;
    my $nextaccntno = C4::Accounts::getnextacctno($env,$bornum,$dbh);
    $uquery = "insert into accountlines
      (borrowernumber,accountno,date,amount,description,accounttype,amountoutstanding)
      values ($bornum,$nextaccntno,now(),0-$amount,'Book Returned',
      'CR',$amountleft)";
    $usth = $dbh->prepare($uquery);
    $usth->execute;
    $usth->finish;
    $uquery = "insert into accountoffsets
      (borrowernumber, accountno, offsetaccount,  offsetamount)
      values ($bornum,$data->{'accountno'},$nextaccntno,$offset)";
    $usth = $dbh->prepare($uquery);
    $usth->execute;
    $usth->finish;
  } 
  $sth->finish;
  UpdateStats($env,'branch','return','0','',$itemno);
  return($oduecharge);
}



sub calc_charges {
  # calculate charges due
  my ($env, $dbh, $itemno, $bornum)=@_;
  my $charge=0;
  my $item_type;
  my $q1 = "select itemtypes.itemtype,rentalcharge from items,biblioitems,itemtypes
    where (items.itemnumber ='$itemno')
    and (biblioitems.biblioitemnumber = items.biblioitemnumber)
    and (biblioitems.itemtype = itemtypes.itemtype)";
  my $sth1= $dbh->prepare($q1);
  $sth1->execute;
  if (my $data1=$sth1->fetchrow_hashref) {
     $item_type = $data1->{'itemtype'};
     $charge = $data1->{'rentalcharge'};
     my $q2 = "select rentaldiscount from borrowers,categoryitem 
        where (borrowers.borrowernumber = '$bornum') 
        and (borrowers.categorycode = categoryitem.categorycode)
        and (categoryitem.itemtype = '$item_type')";
     my $sth2=$dbh->prepare($q2);
     $sth2->execute;
     if (my $data2=$sth2->fetchrow_hashref) {
        my $discount = $data2->{'rentaldiscount'};
	$charge = ($charge *(100 - $discount)) / 100;
     }
     $sth2->{'finish'};
  }   
  $sth1->finish;
  return ($charge);
}



sub previousissue {
  my ($env,$itemnum,$dbh,$bornum)=@_;
  my $sth=$dbh->prepare("Select 
     firstname,surname,issues.borrowernumber,cardnumber,returndate
     from issues,borrowers where 
     issues.itemnumber='$itemnum' and
     issues.borrowernumber=borrowers.borrowernumber 
     and issues.returndate is NULL");
  $sth->execute;
  my $borrower=$sth->fetchrow_hashref;
  my $canissue = "Y";
  $sth->finish;
  my $newdate;
  if ($borrower->{'borrowernumber'} ne ''){
    if ($bornum eq $borrower->{'borrowernumber'}){
      # no need to issue
      my ($renewstatus) = C4::Circulation::Renewals::renewstatus($env,$dbh,$bornum,$itemnum);
      my ($resbor,$resrec) = checkreserve($env,$dbh,$itemnum);
      if ($renewstatus == "0") {
        info_msg($env,"</S>Issued to this borrower - No renewals<!S>");
	$canissue = "N";
      } elsif ($resbor ne "") {
        my $resp = msg_ny($env,"Book is issued to this borrower",
	  "and is reserved - Renew?");
        if ($resp eq "Y") {
	  $newdate = C4::Circulation::Renewals::renewbook($env,$dbh,$bornum,$itemnum);
	  $canissue = "R";
	} else {
	  $canissue = "N";
	}
      } else {
        my $resp = msg_yn($env,"Book is issued to this borrower", "Renew?");
        if ($resp eq "Y") {
          $newdate = C4::Circulation::Renewals::renewbook($env,$dbh,$bornum,$itemnum);
     	  $canissue = "R";
        } else {
          $canissue = "N";
        }
      }    
    } else {
      my $text="Issued to $borrower->{'firstname'} $borrower->{'surname'} ($borrower->{'cardnumber'})";    
      my $resp = msg_yn($env,$text,"Mark as returned?");
      if ( $resp eq "Y") {
        &returnrecord($env,$dbh,$borrower->{'borrowernumber'},$itemnum);
      }	else {
        $canissue = "N";
      }
    }
  } 
  return($borrower->{'borrowernumber'},$canissue,$newdate);
}
sub checkreserve{
  # Check for reserves for biblio 
  my ($env,$dbh,$itemnum)=@_;
  my $resbor = "";
  my $query = "select * from reserves,items 
    where (items.itemnumber = '$itemnum')
    and (reserves.cancellationdate is NULL)
    and (items.biblionumber = reserves.biblionumber)
    and ((reserves.found = 'W')
    or (reserves.found is null)) 
    order by priority";
  my $sth = $dbh->prepare($query);
  $sth->execute();
  my $resrec;
  if (my $data=$sth->fetchrow_hashref) {
    $resrec=$data;
    my $const = $data->{'constrainttype'};
    if ($const eq "a") {
      $resbor = $data->{'borrowernumber'}; 
    } else {
      my $found = 0;
      my $cquery = "select * from reserveconstraints,items 
         where (borrowernumber='$data->{'borrowernumber'}') 
         and reservedate='$data->{'reservedate'}'
	 and reserveconstraints.biblionumber='$data->{'biblionumber'}'
	 and (items.itemnumber=$itemnum and 
	 items.biblioitemnumber = reserveconstraints.biblioitemnumber)";
      my $csth = $dbh->prepare($cquery);
      $csth->execute;
      if (my $cdata=$csth->fetchrow_hashref) {$found = 1;}
      if ($const eq 'o') {
        if ($found eq 1) {$resbor = $data->{'borrowernumber'};}
      } else {
        if ($found eq 0) {$resbor = $data->{'borrowernumber'};} 
      }
      $csth->finish();
    }     
  }
  $sth->finish;
  return ($resbor,$resrec);
}


sub scanbook {
  my ($env,$interface)=@_;
  #scan barcode
  my ($number,$reason)=dialog("Book Barcode:");
  $number=uc $number;
  return ($number,$reason);
}


sub issuebk {
    my %responses,@issueditems;
    $env->{'loanlength'}=14;
    $env->{'branchcode'}='STWE';
    $barcode=$barcodeentry->get();
    $barcodeentry->delete('0.0','end');
    my ($patroninformation, $flags) = getpatroninformation($env,$borrnumber,0);
    my $continue=1;
    my ($iteminformation, $duedate, $rejected, $question, $questionnumber, $defaultanswer);
    while ($continue) {
	($iteminformation, $duedate, $rejected, $question, $questionnumber,
	    $defaultanswer) = issuebook($env, $patroninformation, $barcode,
	    \%responses);
	if ($rejected) {
	    if ($rejected == -1) {
		last;
	    } else {
		error_msg($env, $rejected);
		last;
	    }
	}
	if ($question) {
	    my $response = msg_yn($env, "$question");
	    $responses{$questionnumber}=$response;
	} else {
	    $continue=0;
	}
    }
    unless ($rejected) {
	$iteminformation->{'duedate'}=$duedate;
	push (@issueditems, $iteminformation);
	my $counter=$#issueditems+1;
	$currentissues->put($counter,0,$currentissues->Label(-text=>$iteminformation->{'duedate'}, -relief=>'groove', -borderwidth=>'2'));
	$currentissues->put($counter,1,$currentissues->Label(-text=>$iteminformation->{'barcode'}, -relief=>'groove', -borderwidth=>'2'));
	$currentissues->put($counter,2,$currentissues->Label(-text=>$iteminformation->{'title'}, -relief=>'groove', -borderwidth=>'2'));
	$currentissues->put($counter,3,$currentissues->Label(-text=>$iteminformation->{'author'}, -relief=>'groove', -borderwidth=>'2'));
	$currentissues->put($counter,4,$currentissues->Label(-text=>$iteminformation->{'dewey'}.$iteminformation->{'subclass'}, -relief=>'groove', -borderwidth=>'2'));
	$currentissues->see($counter,0);
	$currentissues->see($counter,1);
	$currentissues->see($counter,2);
	$currentissues->see($counter,3);
	$currentissues->see($counter,4);
    }
}


sub issuebook2 {
    my $bornum=$borrnumber;
    $barcode=$barcodeentry->get();
    $barcodeentry->delete('0.0', 'end');
    my $itemnum=$barcode;
    #my ($env,$dbh,$itemnum,$bornum,$items)=@_;
    $itemnum=uc $itemnum;
    my $canissue = 1;
##  my ($itemnum,$reason)=&scanbook();
    my $query="Select * from items,biblio,biblioitems where (barcode='$itemnum') and
      (items.biblionumber=biblio.biblionumber) and
      (items.biblioitemnumber=biblioitems.biblioitemnumber) ";
    my $item;
    my $charge;
    my $datedue = $env->{'loanlength'};
    my $sth=$dbh->prepare($query);  
    $sth->execute;
    if ($item=$sth->fetchrow_hashref) {
    $sth->finish;
     #check if item is restricted
    if ($item->{'notforloan'} == 1) {
	error_msg($env,"Item Not for Loan");
	$canissue = 0;
    } elsif ($item->{'wthdrawn'} == 1) {
	error_msg($env,"Item Withdrawn");
	$canissue = 0;
    } elsif ($item->{'restricted'} == 1 ){
	error_msg($env,"Restricted Item");
	$canissue = 0;
    } elsif ($item->{'itemtype'} eq 'REF'){
	error_msg($env,"Item Not for Loan");
	$canissue=0;
    }
     #check if item is on issue already
    if ($canissue == 1) {
	my ($currbor,$issuestat,$newdate) = 
	    &previousissue($env,$item->{'itemnumber'},$dbh,$bornum);
	if ($issuestat eq "N") { 
	    $canissue = 0;
	} elsif ($issuestat eq "R") {
	    $canissue = -1;
	    $datedue = $newdate;
	    $charge = calc_charges($env,$dbh,$item->{'itemnumber'},$bornum);
	    if ($charge > 0) {
		createcharge($env,$dbh,$item->{'itemnumber'},$bornum,$charge);
	    }
	    &UpdateStats($env,$env->{'branchcode'},'renew',$charge,'',$item->{'itemnumber'},$item->{'itemtype'});
	}  
    } 
    if ($canissue == 1) {
       #check reserve
       my ($resbor,$resrec) =  &checkreserve($env,$dbh,$item->{'itemnumber'});    
       #debug_msg($env,$resbor);
       if ($resbor eq $bornum) { 
	    my $rquery = "update reserves set found = 'F' where reservedate = '$resrec->{'reservedate'}' and borrowernumber = '$resrec->{'borrowernumber'}' and biblionumber = '$resrec->{'biblionumber'}'";
	    my $rsth = $dbh->prepare($rquery);
	    $rsth->execute;
	    $rsth->finish;
       } elsif ($resbor ne "") {
	    my $bquery = "select * from borrowers 
	    where borrowernumber = '$resbor'";
	    my $btsh = $dbh->prepare($bquery);
	    $btsh->execute;
	    my $resborrower = $btsh->fetchrow_hashref;
	    my $msgtxt = chr(7)."Res for $resborrower->{'cardnumber'},";
	    $msgtxt = $msgtxt." $resborrower->{'initials'} $resborrower->{'surname'}";
	    my $ans = msg_ny($env,$msgtxt,"Allow issue?");
	    if ($ans eq "N") {
# print a docket;
		printreserve($env,$resrec,$resborrower,$item);
		$canissue = 0;
	    } else {
		my $ans = msg_ny($env,"Cancel reserve?");
		if ($ans eq "Y") {
		    my $rquery = "update reserves set found = 'F' where reservedate = '$resrec->{'reservedate'}' and borrowernumber = '$resrec->{'borrowernumber'}' and biblionumber = '$resrec->{'biblionumber'}'";
		    my $rsth = $dbh->prepare($rquery);
		    $rsth->execute;
		    $rsth->finish;
		}
	    }
	    $btsh->finish();
	}
    }
    #if charge deal with it
	
    if ($canissue == 1) {
	$charge = calc_charges($env,$dbh,$item->{'itemnumber'},$bornum);
    }
    if ($canissue == 1) {
	 #now mark as issued
	$datedue=&updateissues($env,$item->{'itemnumber'},$item->{'biblioitemnumber'},$dbh,$bornum);
	 #debug_msg("","date $datedue");
	&UpdateStats($env,$env->{'branchcode'},'issue',$charge,'',$item->{'itemnumber'},$item->{'itemtype'});
	if ($charge > 0) {
	    createcharge($env,$dbh,$item->{'itemnumber'},$bornum,$charge);
	}	  
    } elsif ($canissue == 0) {
	#info_msg($env,"Can't issue $item->{'cardnumber'}");
    }  
} else {
    #my $valid = checkdigit($env,$itemnum);
    my $valid=1;
	if ($valid ==1) {
	    if (substr($itemnum,0,1) = "V") {
		#this is a borrower
		$env->{'newborrower'} = $itemnum;
	    } else {	  
		error_msg($env,"$itemnum not found - rescan");
	    }
	} else {
	    error_msg($env,"Invalid Number");
	}  
    }
    $sth->finish;
#debug_msg($env,"date $datedue");
    if (($datedue ne "") && ($canissue)) {
	my $line=formatitem($env, $item, $datedue, $charge);
	unshift @items2, $line;
    }
    my $currentissuestext='';
    foreach (@items2) {
	$currentissuestext.="$_\n";
    }
    $currentissues->configure(-state => 'normal');
    $currentissues->delete('0.0','end');
    $currentissues->insert('0.0',$currentissuestext);
    $currentissues->configure(-state => 'disabled');
    return($item,$charge,$datedue);
}

sub formatitem {
   my ($env,$item,$datedue,$charge) = @_;
   my $line = $datedue." ".$item->{'barcode'}." ".$item->{'title'}.": ".$item->{'author'};
   my $iclass =  $item->{'itemtype'};
   if ($item->{'dewey'} > 0) {
     my $dewey = $item->{'dewey'};
     $dewey =~ s/0*$//;
     $dewey =~ s/\.$//;
     $iclass = $iclass.$dewey.$item->{'subclass'};
   };
   my $llen = 65 - length($iclass);
   my $line = fmtstr($env,$line,"L".$llen);
   my $line = $line." $iclass ";
   my $line = $line.fmtdec($env,$charge,"22");
   return $line;
}   

sub returnbk {
    my $item = $barcodeentry->get();
    $barcodeentry->delete('0.0', 'end');
    my ($iteminformation,$borrower,$messages,$overduecharge) = returnbook($env, $item);
    if ($borrower) {
	my $line = "$borrower->{'cardnumber'} ";
	$line .= "$borrower->{'surname'}, ";
	$line .= "$borrower->{'title'} $borrower->{'firstname'}\n";
	$line .= "$borrower->{'streetaddress'}, $borrower->{'city'}\n";
	$line .= "$borrower->{'categorycode'}";
	$borrowerinfo->configure(-state => 'normal');
	$borrowerinfo->delete('0.0', 'end');
	$borrowerinfo->insert('0.0',$line);
	$borrowerinfo->configure(-state => 'disabled');
    } else {
	$borrowerinfo->configure(-state => 'normal');
	$borrowerinfo->delete('0.0', 'end');
	$borrowerinfo->insert('0.0','Not Loaned Out');
	$borrowerinfo->configure(-state => 'disabled');
    }
    #if ($bornum ne "") {
#	($issues,$odues,$amt_owing) = borrdata2($env,$bornum);
#    } else {
#	$issues = "";
#	$odues = "";
#	$amt_owing = "";
#    }
    if ($iteminformation->{'itemnumber'} ne "" ) {
	$iteminformation->{'borrower'}=$borrower->{'cardnumber'};
	unshift @items,$iteminformation;
	$iteminformation->{'dewey'}=~s/0*$//;
	if ($items[20] > "") {
	    #pop @items;
	}
    }
    displayitemsreturned();
}

sub displayitemsreturned {
    my $counter=0;
    $itemsreturned->put($counter,0,$itemsreturned->Label(-text=>"Bar Code", -relief => 'groove', borderwidth=>'3'));
    $itemsreturned->put($counter,1,$itemsreturned->Label(-text=>"Title", -relief => 'groove', borderwidth=>'3', -width=>35));
    $itemsreturned->put($counter,2,$itemsreturned->Label(-text=>"Author", -relief => 'groove', borderwidth=>'3', -width=>20));
    $itemsreturned->put($counter,3,$itemsreturned->Label(-text=>"Class", -relief => 'groove', borderwidth=>'3'));
    $itemsreturned->put($counter,4,$itemsreturned->Label(-text=>"Borrower", -relief => 'groove', borderwidth=>'3'));
    $itemsreturned->see($counter,0);
    $itemsreturned->see($counter,1);
    $itemsreturned->see($counter,2);
    $itemsreturned->see($counter,3);
    $itemsreturned->see($counter,4);
    $counter++;
    my $itemno;
    foreach $itemno (@items) {
	$itemno->{'dewey'}=~s/0*$//;
	$itemsreturned->put($counter,0,$itemsreturned->Label(-text=>$itemno->{'barcode'}, -relief => 'groove', borderwidth=>'2'));
	$itemsreturned->put($counter,1,$itemsreturned->Label(-text=>$itemno->{'title'}, -relief => 'groove', borderwidth=>'2'));
	$itemsreturned->put($counter,2,$itemsreturned->Label(-text=>$itemno->{'author'}, -relief => 'groove', borderwidth=>'2'));
	$itemsreturned->put($counter,3,$itemsreturned->Label(-text=>$itemno->{'dewey'}.$itemno->{'subclass'}, -relief => 'groove', borderwidth=>'2'));
	$itemsreturned->put($counter,4,$itemsreturned->Label(-text=>$itemno->{'borrower'}, -relief => 'groove', borderwidth=>'2'));
	$itemsreturned->see($counter,0);
	$itemsreturned->see($counter,1);
	$itemsreturned->see($counter,2);
	$itemsreturned->see($counter,3);
	$itemsreturned->see($counter,4);
	$itemsreturned->see(1,0);
	$counter++;
    }
}

sub returns {
    #@items=();
    ($mainholder) && ($mainholder->destroy);
    $mainholder=$framebot->Frame(-height => 500, -width => 600);
    Tk::grid($mainholder, -col => 0, -row => 0, -sticky => 'nsew');
    #$mainholder->gridPropagate(0);
    $topline=$mainholder->Frame();
    $topline->pack(-side => top, -fill => 'x', -expand => '1');


    my $barcodeframe=$topline->LabFrame(-label=>'Item Barcode', -height=>80, -width=>100, -labelside=>acrosstop);
    Tk::grid($barcodeframe, -col => 0, -row => 0, -sticky => 'n');
    $barcodeentry=$barcodeframe->Entry(-width => 15);
    $barcodeentry->bind('<Return>' => \&returnbk);
    $barcodeentry->grid(-col => 1, -row => 0, -sticky=>'e', -padx=>10, -pady=>10);
    $barcodeentry->focus;

    $biframe=$topline->LabFrame(-label=>'Patron Information', -labelside=>acrosstop);
    Tk::grid($biframe, -col=>2, -row=>0, -sticky=>'nsew');
    $borrowerinfo=$biframe->Text(-height => 4, -width => 40, -wrap => none, -relief=>flat);
    $borrowerinfo->configure(-state => 'disabled');
    $borrowerinfo->grid(-col=>1, -row=>0, -sticky=>'w');


    $returnedframe=$mainholder->LabFrame(-label=>'Items Returned', -labelside=>acrosstop);
    $returnedframe->pack;
    $itemsreturned=$returnedframe->Table(-rows=>10, -columns => 5, -scrollbars=>e, -fixedrows => 1, -takefocus => 1);
    $itemsreturned->pack(-side => top);
    displayitemsreturned();
    #$itemsreturned=$returnedframe->Scrolled(Text, -height=>20, -width=>80, -relief => 'flat', -scrollbars => 'e');
    #$itemsreturned->insert('0.0','');
    #$itemsreturned->configure(-state => 'disabled');
    #$itemsreturned->pack(-side => top);
}


sub updatelastseen {
  my ($env,$dbh,$itemnumber)= @_;
  my $br = $env->{'branchcode'};
  my $query = "update items 
    set datelastseen = now(), holdingbranch = '$br'
    where (itemnumber = '$itemnumber')";
  my $sth = $dbh->prepare($query);
  $sth->execute;
  $sth->finish;
     
}



sub checkissue {
    my ($env,$dbh, $item) = @_;
    my $reason='Circ';
    my $bornum;
    my $borrower;
    my $itemno;
    my $itemrec;
    my $amt_owing;
    $item = uc $item;
    my $query = "select * from items,biblio 
	where barcode = '$item'
	and (biblio.biblionumber=items.biblionumber)";
    my $sth=$dbh->prepare($query); 
    $sth->execute;
    if ($itemrec=$sth->fetchrow_hashref) {
	$sth->finish;
	$itemno = $itemrec->{'itemnumber'};
	$query = "select * from issues
	where (itemnumber='$itemrec->{'itemnumber'}')
	and (returndate is null)";
	my $sth=$dbh->prepare($query);
	$sth->execute;
	if (my $issuerec=$sth->fetchrow_hashref) {
	    $sth->finish;
	    $query = "select * from borrowers where
	    (borrowernumber = '$issuerec->{'borrowernumber'}')";
	    my $sth= $dbh->prepare($query);
	    $sth->execute;
	    $env->{'bornum'}=$issuerec->{'borrowernumber'};
	    $borrower = $sth->fetchrow_hashref;
	    $bornum = $issuerec->{'borrowernumber'};
	    $itemno = $issuerec->{'itemnumber'};
	    $amt_owing = returnrecord($env,$dbh,$bornum,$itemno);     
	    $reason = "Returned";    
	} else {
	    $sth->finish;
	    updatelastseen($env,$dbh,$itemrec->{'itemnumber'});
	    $reason = "Item not issued";
	}
	my ($resfound,$resrec) = find_reserves($env,$dbh,$itemrec->{'itemnumber'});
	if ($resfound eq "y") {
	    my $bquery = "select * from borrowers 
	    where borrowernumber = '$resrec->{'borrowernumber'}'";
	    my $btsh = $dbh->prepare($bquery);
	    $btsh->execute;                   
	    my $resborrower = $btsh->fetchrow_hashref;
#printreserve($env,$resrec,$resborrower,$itemrec);
	    my $mess = "Reserved for collection at branch $resrec->{'branchcode'}"; 
	    error_msg($env,$mess);
	    $btsh->finish;
	}  
    } else {
	$sth->finish;
	$reason = "Item not found";
    }   
    return ($reason,$bornum,$borrower,$itemno,$itemrec,$amt_owing);
}
  
sub find_reserves {
    my ($env,$dbh,$itemno) = @_;
    my $itemdata = itemnodata($env,$dbh,$itemno);
    my $query = "select * from reserves where found is null 
    and biblionumber = $itemdata->{'biblionumber'} and cancellationdate is NULL
    order by priority,reservedate ";
    my $sth = $dbh->prepare($query);
    $sth->execute;
    my $resfound = "n";
    my $resrec;
    while (($resrec=$sth->fetchrow_hashref) && ($resfound eq "n")) {
	if ($resrec->{'found'} eq "W") {
	    if ($resrec->{'itemnumber'} eq $itemno) {
		$resfound = "y";
	    }
	} elsif ($resrec->{'constrainttype'} eq "a") {
	    $resfound = "y";
	} else {
	    my $conquery = "select * from reserveconstraints where borrowernumber
		= $resrec->{'borrowernumber'} and reservedate = '$resrec->{'reservedate'}' and biblionumber = $resrec->{'biblionumber'} and biblioitemnumber = $itemdata->{'biblioitemnumber'}";
	    my $consth = $dbh->prepare($conquery);
	    $consth->execute;
	    if (my $conrec=$consth->fetchrow_hashref) {
		if ($resrec->{'constrainttype'} eq "o") {
		    $resfound = "y";
		}
	    } else {
		if ($resrec->{'constrainttype'} eq "e") {
		    $resfound = "y";
		}
	    }
	    $consth->finish;
	}
	if ($resfound eq "y") {
	    my $updquery = "update reserves 
		set found = 'W',itemnumber='$itemno'
		where borrowernumber = $resrec->{'borrowernumber'}
		and reservedate = '$resrec->{'reservedate'}'
		and biblionumber = $resrec->{'biblionumber'}";
	    my $updsth = $dbh->prepare($updquery);
	    $updsth->execute;
	    $updsth->finish;
	    my $itbr = $resrec->{'branchcode'};
	    if ($resrec->{'branchcode'} ne $env->{'branchcode'}) {
		my $updquery = "update items
		set holdingbranch = 'TR'
		where itemnumber = $itemno";
		my $updsth = $dbh->prepare($updquery);
		$updsth->execute;
		$updsth->finish;
	    }	
	}
    }
    $sth->finish;
    return ($resfound,$resrec);   
}