#!/usr/bin/perl -w

use strict;
use LWP::Simple;
use Getopt::Std;
use URI::Escape;

use constant APPROV => 'Approved';
use constant UNAPPROV => 'Unapproved';
my $poll = 60;
my %question = ( APPROV, '', UNAPPROV,'');
my $count = 0;
$|=1;

{
  my %args;
  getopts('u:p:', \%args);
  # Replace these dies with username/password
  my $user = $args{u} ||  'jeroenes' || # You can put your name here
    die("You need to specify the user with -u");
  my $pass = $args{p} ||  'youdontwannaknowdoyou'  || # You can put your password here
    die("You need to specify the password with -p");
  main( $user, $pass ) while (1);
}

sub main {
    watch( @_);
    my @secs = times;
    $secs[0] += $secs[2];
    $secs[1] += $secs[3];
    printf "Done %5i fetch%s since last new question. CPU: %8.3f user; %8.3f system\r", ++$count, $count>1?'es':'', @secs;
    sleep $poll;
}
 
sub watch {
    my $url = 'http://perlmonks.org/index.pl?node=Seekers%20of%20Perl%20Wisdom';
    if (@_) {
      my $user = uri_escape(shift);
      my $passwd = uri_escape(shift);
      $url .= "&op=login&user=$user&passwd=$passwd";
    }
    my $content = get($url) or return;
    if ($content =~ m/<font color=white>User Questions<\/font>.+?<a href=\"\/index\.pl\?node_id=\S+\">(.*?)<\/a>/is) {
        compare( APPROV, $1);
    }
    if ($content =~ m/<font color=white>Unapproved Questions<\/font>.+?<a href=\"\/index\.pl\?node_id=\S+\">(.*?)<\/a>/is) {
        compare( UNAPPROV, $1);
    }
}
 
sub compare {
    my $state = shift;
    my $curquestion = shift;
    if ($question{$state} ne $curquestion) {
        $question{$state} = $curquestion;
        act($state);
        $count = 0;
    }
}
 
sub act {
    my $state = shift;
    print "\nNew $state PerlMonks Question: $question{$state}\n";
}