use v5.32;
use HTML::TableExtract;
use File::Slurp;
use Data::Dumper;
use List::Util qw(sum);
use Text::SimpleTable::AutoWidth;

# log in to Mersenne.org and get results for the last year
# excluding everything but PHP and DD results
use WWW::Mechanize ();
my $mech = WWW::Mechanize->new();
my $url =
'https://www.mersenne.org/results/?extf=1&exp1=1&execm=1&excert=1&exp_lo=2&exp_hi=&limit=10000';
$mech->get($url);
$mech->submit_form(
	form_number => 1,
	fields      => {
		user_login    => 'mohinder8855',
		user_password => 'µ@:èÌNµ#G:è_hò·¿'°ñ9>pRy)LQ¦Îþ6KP&;§g_§^¥<û'Ò¶º,3~ä°.ç.ûïÈçÛX',
	}
);

# load the results into a table object
my $html_string = $mech->content();
$html_string =~ s/\n//g;
my $te = HTML::TableExtract->new( depth => 0, count => 2 );
$te->parse($html_string);

# group GHZ Days results by computer, compute GHZ Days per Day (GHZ Days / Days)
my $list;

my $ts = $te->first_table_found();
foreach my $row ( $ts->rows ) {
	foreach my $cell ($row) {
		my $machine  = @$cell[0];
		my $ghz_days = @$cell[6];
		$ghz_days =~ s/\s//g;
		my $days = @$cell[4];
		$days =~ s/\s//g;

		if ( $days > 0 ) {
			my $perf = $ghz_days / $days;
			push( @{ $list->{$machine} }, $perf );
		}
	}
}

# create hash with each comptuer and its average GHz Days per day
my %ranks;
foreach my $key ( keys %$list ) {
	my $mean    = sum( @{ $list->{$key} } ) / @{ $list->{$key} };
	my $rounded = int( $mean + 0.5 );
	$ranks{$key} = $rounded;
}

# sort hash by the average and print to screen
my $tbl =
  Text::SimpleTable::AutoWidth->new(
	captions => [qw/ Computer GHZDaysPerDay /] );
foreach my $key ( reverse sort { $ranks{$a} <=> $ranks{$b} } keys(%ranks) ) {
	$tbl->row( $key, $ranks{$key} );
}
say $tbl->draw();