#!/usr/bin/perl

use CGI::Carp qw(fatalsToBrowser);

open(W, "weather.js");
@lines = <W>;
close(W);
$out = join('', @lines);

if (scalar(@lines) < 3 or -M "weather.js" > 0.25) {
use LWP::UserAgent;

$ua = LWP::UserAgent->new();
$ua->timeout(60);
$request = HTTP::Request->new('GET', 'http://www.bom.gov.au/cgi-bin/wrap_fwo.pl?IDS10034.txt');
$res = $ua->request($request);
if ($res->is_error) {
  $str = $res->message;
} else {
  $str = $res->content;
}

$str =~ s/^.*IDS1003401//s;
$str =~ s/HEADLINE.*?$//s;

if ($str =~ /:\s+(.*?)\n\n/s) {
  $adeldesc = $1;
  $adeldesc =~ s/\n//g;
}

if ($str =~ /Adelaide City\s+(.*?)\s+Max\s+(\d+)/s) {
  $adelmax = $2;
}

if ($str =~ /Noarlunga\s+(.*?)\s+Max\s+(\d+)/s) {
  $norlmax = $2;
}

$out =<<EOF;
var adeldesc = "$adeldesc";
var adelmax = "$adelmax";
var norlmax = "$norlmax";

EOF
open(W, ">weather.js");
print W $out;
close(W);
}
print <<EOF;
Content-Type: text/x-javascript
Pragma: no-cache
Cache-Control: no-cache
Expires: -1

$out
EOF