#!/usr/bin/perl
use strict;
use warnings;
use FindBin;
use Getopt::Long;
use Pod::Usage;
use lib(File::Spec->catdir($FindBin::Bin, File::Spec->updir, 'lib'));

use Gungho;

{
    my ($config, $version, $help);

    # Default config file is expected to be at the current directory
    $config = do {
        my $file;
        foreach my $suffix qw(yml yaml) {
            my $test = "config.$suffix";
            if (-f $test) {
                $file = $test;
                last;
            }
        }
        $file;
    };

    if (! GetOptions(
            '--config=s', => \$config,
            '--version!',  => \$version,
            '--help!'      => \$help
    )) {
        exit 1;
    }

    if ($version) {
        print <<EOM;
gungho - An Extensible, High-Performance Web Crawler Framework
version: $Gungho::VERSION
EOM
        exit 0;
    }

    if ($help) {
        pod2usage(-verbose => 2);
    }

    if (! $config) {
        pod2usage(-verbose => 0);
    }

    Gungho->run($config);
}

__END__

=head1 NAME

gungho - An Extensible, High-Performance Web Crawler Framework

=head1 SYNOPSIS

   gungho -c config.yml
   gungho -v
   gungho -h

=head1 DESCRIPTION

gungho is the command line tool to run the Gungho web crawler framework.

=head1 OPTIONS

=head2 --config | -c

Specify the config file to read from. By default, gungho attempts to read
a config file named config.yml in the current directory

=head2 --version | -v

Print out the version and exit

=head2 --help | -h

Print out this help message and exit

=head1 AUTHOR

Gungho is Copyright (c) 2007 Daisuke Maki <daisuke@endeworks.jp> Endeworks Ltd.
All rights reserved.

=head1 LICENSE

This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.

See http://www.perl.com/perl/misc/Artistic.html

=cut