#!perl
use strict;
use warnings;
use LWP::Simple;
use HTML::TreeBuilder;
use Data::Dump;

my $URL = 'http://www.dell.com/support/troubleshooting/ed/en/edbsdt1/Servicetag/'; 
my %machine=();

while (<DATA>){
  chomp;
  $machine{$_}{'serial'} = $_ if (length($_)<=7);
}

my $ua = LWP::UserAgent->new;
for my $sn (sort keys %machine){
  print "Checking $sn .. ";
  parse_dell($sn);
  print "done\n";
}

sub parse_dell {
  my ($sn) = @_;
  my $response  = $ua->get($URL.$sn);
  if ($response->is_success) {
    my $tree = HTML::TreeBuilder->new();
    $tree->parse($response->decoded_content);
    my @e = $tree->look_down('class', 'TopTwoWarrantyListItem');
    for (@e){
      my $t = $_->as_text;
      if ($t =~ m!(NBD ProSupport for Enterprise|Next Business Day).*(\d{2}/\d{2}/\d{4})! ){
        $machine{$sn}{$1}=$2;
	  } 
    }
    # meta tags
    @e = $tree->find_by_attribute('name','supportproductcode');  
    for (@e){
      $machine{$sn}{'model'} = $_->attr('content');
    }
  } else {
    warn $response->statusline;
  }
}

dd %machine;

__DATA__
13XGK4J
9KJDK4J
CNOR665J74445994CNTS
3RT1K4J