<%

  my(%opt) = @_;
  #warn join(' / ', map { "$_ => $opt{$_}" } keys %opt ). "\n";

  my %align = (
    'l' => 'left',
    'r' => 'right',
    'c' => 'center',
    ' ' => '',
    '.' => '',
  );
  $opt{align} = [ map $align{$_}, split(//, $opt{align}) ],
    unless !$opt{align} || ref($opt{align});

  my $type = '';
  my $limit = '';
  my($maxrecords, $total, $offset, $count_arrayref);

  if ( $cgi->param('_type') =~ /^(csv|\w*\.xls)$/ ) {
  
    $type = $1;

  } else { #setup some pagination things if we're in html mode

    unless (exists($opt{'count_query'}) && length($opt{'count_query'})) {
      ( $opt{'count_query'} = $opt{'query'} ) =~
        s/^\s*SELECT\s*(.*?)\s+FROM\s/SELECT COUNT(*) FROM /i;
    }

    my $conf = new FS::Conf;
    $maxrecords = $conf->config('maxsearchrecordsperpage');

    $limit = $maxrecords ? "LIMIT $maxrecords" : '';

    $offset = $cgi->param('offset') || 0;
    $limit .= " OFFSET $offset" if $offset;

    my $count_sth = dbh->prepare($opt{'count_query'})
      or die "Error preparing $opt{'count_query'}: ". dbh->errstr;
    $count_sth->execute
      or die "Error executing $opt{'count_query'}: ". $count_sth->errstr;
    $count_arrayref = $count_sth->fetchrow_arrayref;
    $total = $count_arrayref->[0];

  }

  # run the query

  my $header = $opt{'header'};
  my $rows;
  if ( ref($opt{'query'}) ) {
    #eval "use FS::$opt{'query'};";
    $rows = [ qsearch(
      $opt{'query'}->{'table'}, 
      $opt{'query'}->{'hashref'} || {}, 
      $opt{'query'}->{'select'},
      $opt{'query'}->{'extra_sql'}. " $limit",
      '',
      (exists($opt{'query'}->{'addl_from'}) ? $opt{'query'}->{'addl_from'} : '')
    ) ];
  } else {
    my $sth = dbh->prepare("$opt{'query'} $limit")
      or die "Error preparing $opt{'query'}: ". dbh->errstr;
    $sth->execute
      or die "Error executing $opt{'query'}: ". $sth->errstr;

    #can get # of rows without fetching them all?
    $rows = $sth->fetchall_arrayref;

    $header ||= $sth->{NAME};
  }

  if ( $type eq 'csv' ) {

    #http_header('Content-Type' => 'text/comma-separated-values' ); #IE chokes
    http_header('Content-Type' => 'text/plain' );

    my $csv = new Text::CSV_XS { 'always_quote' => 1,
                                 'eol'          => "\n", #"\015\012", #"\012"
                               };

    $csv->combine(@$header); #or die $csv->status;
    %><%= $csv->string %><%

    foreach my $row ( @$rows ) {

      if ( $opt{'fields'} ) {

        my @line = ();

        foreach my $field ( @{$opt{'fields'}} ) {
          if ( ref($field) eq 'CODE' ) {
            push @line, &{$field}($row);
          } else {
            push @line, $row->$field();
          }
        }

        $csv->combine(@line); #or die $csv->status;

      } else {
        $csv->combine(@$row); #or die $csv->status;
      }

      %><%= $csv->string %><%

    }

  #} elsif ( $type eq 'excel' ) {
  } elsif ( $type =~ /\.xls$/ ) {

    #http_header('Content-Type' => 'application/excel' ); #eww
    http_header('Content-Type' => 'application/vnd.ms-excel' );
    #http_header('Content-Type' => 'application/msexcel' ); #alas

    my $data = '';
    my $XLS = new IO::Scalar \$data;
    my $workbook = Spreadsheet::WriteExcel->new($XLS)
      or die "Error opening .xls file: $!";

    my $worksheet = $workbook->add_worksheet(substr($opt{'title'},0,31));

    my($r,$c) = (0,0);

    $worksheet->write($r, $c++, $_) foreach @$header;

    foreach my $row ( @$rows ) {
      $r++;
      $c = 0;

      if ( $opt{'fields'} ) {

        #my $links = $opt{'links'} ? [ @{$opt{'links'}} ] : '';
        #my $aligns = $opt{'align'} ? [ @{$opt{'align'}} ] : '';

        foreach my $field ( @{$opt{'fields'}} ) {
          #my $align = $aligns ? shift @$aligns : '';
          #$align = " ALIGN=$align" if $align;
          #my $a = '';
          #if ( $links ) {
          #  my $link = shift @$links;
          #  $link = &{$link}($row) if ref($link) eq 'CODE';
          #  if ( $link ) {
          #    my( $url, $method ) = @{$link};
          #    if ( ref($method) eq 'CODE' ) {
          #      $a = $url. &{$method}($row);
          #    } else {
          #      $a = $url. $row->$method();
          #    }
          #    $a = qq(<A HREF="$a">);
          #  }
          #}
          if ( ref($field) eq 'CODE' ) {
            $worksheet->write($r, $c++, &{$field}($row) );
          } else {
            $worksheet->write($r, $c++, $row->$field() );
          }
        }

      } else {
        $worksheet->write($r, $c++, $_) foreach @$row;
      }

    }

    $workbook->close();# or die "Error creating .xls file: $!";

    http_header('Content-Length' => length($data) );
    %><%= $data %><%

  } else { # regular HTML

    if ( exists($opt{'redirect'}) && scalar(@$rows) == 1 && $total == 1 ) {
      my( $url, $method ) = @{$opt{'redirect'}};
      redirect( $url. $rows->[0]->$method() );
    } else {
      ( my $xlsname = $opt{'name'} ) =~ s/\W//g;
      $opt{'name'} =~ s/s$// if $total == 1;

      my @menubar = ();
      if ( $opt{'menubar'} ) {
        @menubar = @{ $opt{'menubar'} };
      } else {
        @menubar = ( 'Main menu' => $p );
      }
  %>
  <%= include( '/elements/header.html', $opt{'title'},
                 include( '/elements/menubar.html', @menubar )
             )
  %>
  <% my $pager = include ( '/elements/pager.html',
                             'offset'     => $offset,
                             'num_rows'   => scalar(@$rows),
                             'total'      => $total,
                             'maxrecords' => $maxrecords,
                         );
  %>
  <% unless ( $total ) { %>
    No matching <%= $opt{'name'} %> found.<BR>
  <% } else { %>
  
    <TABLE>
      <TR>
        <TD VALIGN="bottom">
          <%= $total %> total <%= $opt{'name'} %><BR>
          <% if ( $opt{'count_addl'} ) { %>
            <% my $n=0; foreach my $count ( @{$opt{'count_addl'}} ) { %>
              <%= sprintf( $count, $count_arrayref->[++$n] ) %><BR>
            <% } %>
          <% } %>
        </TD>
        <TD ALIGN="right">
          <% $cgi->param('_type', "$xlsname.xls" ); %>
          Download full results<BR>
          as <A HREF="<%= $cgi->self_url %>">Excel spreadsheet</A><BR>
          <% $cgi->param('_type', 'csv'); %>
          as <A HREF="<%= $cgi->self_url %>">CSV file</A>
        </TD>
      </TR>
      <TR>
        <TD COLSPAN=2>
  
            <%= $pager %>
            <STYLE TYPE="text/css">
            .grid table { border: solid; empty-cells: show }
            .grid TH { padding-left: 1px; padding-right: 1px; border: 1px solid #dddddd; border-bottom: dashed 1px black; border-right: none }
            .grid TD { padding-left: 1px; padding-right: 1px; empty-cells: show; border: 1px solid #cccccc; border-bottom: none; border-right: none }
            </STYLE>
            <TABLE CLASS="grid" CELLSPACING=0 CELLPADDING=0 BORDER=1 BORDERCOLOR="#000000" STYLE="border: solid 1px black; empty-cells: show">
              <TR>
              <% foreach my $header ( @$header ) { %>
                   <TH CLASS="grid" BGCOLOR="#cccccc"><%= $header %></TH>
              <% } %>
              </TR>
              <% my $bgcolor1 = '#eeeeee';
                 my $bgcolor2 = '#ffffff';
                 my $bgcolor;
                 foreach my $row ( @$rows ) {
                   if ( $bgcolor eq $bgcolor1 ) {
                     $bgcolor = $bgcolor2;
                   } else {
                     $bgcolor = $bgcolor1;
                   }
              %>
                   <TR>
                   <% if ( $opt{'fields'} ) {
                        my $links = $opt{'links'} ? [ @{$opt{'links'}} ] : '';
                        my $aligns = $opt{'align'} ? [ @{$opt{'align'}} ] : '';
                        foreach my $field ( @{$opt{'fields'}} ) {
                          my $align = $aligns ? shift @$aligns : '';
                          $align = " ALIGN=$align" if $align;
                          my $a = '';
                          if ( $links ) {
                            my $link = shift @$links;
                            $link = &{$link}($row) if ref($link) eq 'CODE';
                            if ( $link ) {
                              my( $url, $method ) = @{$link};
                              if ( ref($method) eq 'CODE' ) {
                                $a = $url. &{$method}($row);
                              } else {
                                $a = $url. $row->$method();
                              }
                              $a = qq(<A HREF="$a">);
                            }
                          }
                       %>
                       <% if ( ref($field) eq 'CODE' ) { %>
                         <TD CLASS="grid" BGCOLOR="<%= $bgcolor %>"<%= $align %>><%= $a %><%= &{$field}($row) %><%= $a ? '</A>' : '' %></TD>
                       <% } else { %>
                         <TD CLASS="grid" BGCOLOR="<%= $bgcolor %>"<%= $align %>><%= $a %><%= $row->$field() %><%= $a ? '</A>' : '' %></TD>
                       <% } %>
                     <% } %>
                   <% } else { %>
                     <% foreach ( @$row ) { %>
                          <TD CLASS="grid" BGCOLOR="$bgcolor"><%= $_ %></TD>
                     <% } %>
                   <% } %>
                   </TR>
              <% } %>
            
            </TABLE>
            <%= $pager %>
  
          </TD>
        </TR>
      </TABLE>
  
  <% } %>
  </BODY>
  </HTML>
  <% } %>
<% } %>