#!/usr/bin/perl

use strict;
use warnings;

my ($by_module, $by_distro);

($by_module, $by_distro) = (1, 1) unless @ARGV;

while (my $arg = shift(@ARGV)) {
    $by_module = 1 if lc($arg) =~ 'module';
    $by_distro = 1 if lc($arg) =~ 'distro';    
}

my %total_downloads_by_module;
my %total_downloads_by_distro;

while (<>) {
    my ($url) = /\d{5}\s(.*)/;
    my @path = split /\// => $url;
    my $module_distro = pop @path;

    $total_downloads_by_distro{$module_distro}++ if $by_distro;

    if ($by_module) {
        my ($module) = ($module_distro =~ /(.*?)\-\d\..*?.tar\.gz/);
        $total_downloads_by_module{$module}++;
    }
}

format_report("Total Downloads by Module", %total_downloads_by_module) if $by_module;
format_report("Total Downloads by Distro", %total_downloads_by_distro) if $by_distro;

sub format_report {
    my ($header, %hash) = @_;
    print "+---------------------------------------\n";
    print "| $header\n";
    print "+------+--------------------------------\n";
    print join "\n" =>
          map  { "| " . sprintf("%4d", $hash{$_}) . " | " . $_  } 
          sort { $hash{$a} <=> $hash{$b}  } 
          keys %hash;
    print "\n+------+--------------------------------\n";
}