#!/usr/bin/env perl 

use strict;

if ( $#ARGV != 0 ) {
   die "Wrong number of input arguments -- should just enter one filename\n";
}
my $infilename = $ARGV[0];
if ( ! -f $infilename ) {
   die "Input file: $infilename does NOT exist\n";
}

my @dirs = ('../../../../../../scripts/ccsm_utils/Tools/per5lib', '../../../../../../scripts//ccsm_utils/Tools/perl5lib/Build');
unshift @INC, @dirs;
require XML::Lite;
use lib "../../../../../../scripts/ccsm_utils/Tools/perl5lib";

my $image_dir  = "./images";

print <<"END_of_Start";

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>CESM Component Models Namelist Definitions </title>
  <link rel="stylesheet" type="text/css" href="/models/cesm1.0/cam/docs/namelist/nl_style_sheet.css" />
  <script src=./showinfo.js> </script>
</head>

<body>

<h2>Search or Browse supported component sets</h2>
<p>
This page contains the complete list of config_grid.xml variables available.  They are grouped
by categories designed to aid browsing.  Clicking on the name of a variable will display descriptive
information.  If search terms are entered in the text box below, the list will be condensed to contain
only matched variables.
</p>

<form id="filter_form" name="filter_form" style="margin: 0px; padding: 0px;" action="javascript:void(0);">
  <table border="0" cellpadding="2" cellspacing="1">
    <tbody>
      <tr>
        <td valign="top">
          <input id="filter_text" name="filter_text" size="40"
                 onkeydown="if (event.keyCode==13) applyFilter(document.getElementById('filter_text').value);"
                 type="text">
          <input id="btn_search" value="Search Variable Names"
                 onclick="applyFilter(document.getElementById('filter_text').value);"
		 type="button">
          <input id="btn_show_all" value="Show All Variable Names"
		 onclick="clearFilter();return false;"
                 type="button">
          <br>
          <label>
            <input id="logical_operator_and" name="logical_operator" value="AND" 
                   type="radio" checked> AND
          </label>
          <label>
            <input id="logical_operator_or" name="logical_operator" value="OR"
                   type="radio"> OR
          </label>
          (separate search terms with spaces)
          <br>
          <label>
            <input id="search_help_text" name="search_help_text" type="checkbox"> Also search help text
          </label>
        </td>
      </tr>
    </tbody>
  </table>
</form>

<div id="filter_matches" style="visibility: hidden; margin-bottom: 10px;">
  Found <span id="filter_matches_num"></span> standard names matching query: <span id="filter_matches_query"></span>
</div>

END_of_Start

my $xml = XML::Lite->new( $infilename );
my $root = $xml->root_element();

# Check for valid root node
my $name = $root->get_name();
$name eq "config_compset" or die
	"file $infilename is not a compset definition file\n";

# Print table
print_start_table("config_compsets.xml variables");
my @e = $xml->elements_by_name( "compset" );
my %a = ();
while ( my $e = shift @e ) {
    %a = $e->get_attributes();
     
    if ($a{'NAME'} =~ /I_/ ) { 
	my $var = $a{'NAME'};
	my $doc = "Description: $a{DESC} \n"; 
	my $grp = "$a{SHORTNAME}";
	print_row($var, $doc, $grp);
    }
}
print_end_table();

# Finish
print <<"END_of_html";
</body>
</html>
END_of_html

#--------------------------------------------------------------------------------------------

sub print_start_table {
    my $hdr = shift;

print <<"START_table";
<h3><span style="background-color: #00FFFF" font color="purple">$hdr</h3></span>
<table id="${hdr}_table" border="1" width="100%" cellpadding="2" cellspacing="0">
  <th width="80%">Compset Name</th>
  <th width="10%">Short Name</th>
START_table
}

#--------------------------------------------------------------------------------------------

sub print_row {

    my $name = shift;
    my $doc  = shift;
    my $grp  = shift;

print <<"END_of_row";
  <tr id="${name}_tr">
    <td><a name="$name"></a>
        <img id="${name}_arrow" src="$image_dir/arrow_right.gif">
        <code class="varname">
          <a href="javascript:void(0)"
             onclick="toggleHelp('${name}')">$name</a>
        </code>
        <div id="${name}_help" style="display: none;
             padding-left: 16px; margin-top: 4px; border-top: 1px dashed
             #cccccc;">
	     <pre>$doc</pre>
        </div>
    </td>
    <td>$grp</td>
  </tr>
END_of_row
}

#--------------------------------------------------------------------------------------------

sub print_end_table {

print <<"END_table";
</table>
END_table
}

#--------------------------------------------------------------------------------------------

