package App::Sque::Command::work;
$App::Sque::Command::work::VERSION = '0.010';
use App::Sque -command;
use Parallel::ForkManager;
use Sque;

# ABSTRACT: Worker command for sque command-line tool

sub usage_desc { "Start sque worker(s)" }

sub opt_spec {
    return (
        [ "host|h=s",  "Set the stomp host" ],
        [ "lib|l=s@",  "Add a lib directory if needed to find worker classes" ],
        [ "port|p=i",  "Set the stomp port" ],
        [ "queues|q=s",  "Comma-separted list of queues to listen to" ],
        [ "verbose|v",  "Be verbose?" ],
        [ "workers|w=i",  "Number of workers to start", { default => 1 } ],
    );
}

sub validate_args {
    my ($self, $opt, $args) = @_;

    # We must have the host/part
    $self->usage_error("host required") unless $opt->{host};
    $self->usage_error("port required") unless $opt->{port};

    # We must have queues
    $self->usage_error("queues required") unless $opt->{queues};
}

sub execute {
    my ($self, $opt, $args) = @_;

    # Use user-specified lib directories
    unshift @INC, @{ $opt->{lib} };
    my @queues = split /,/, $opt->{queues};

    if($opt->{verbose}){
        $" =", ";
        print "Listening to: @queues with $opt->{workers} worker(s).\n";
    }

    $pm = new Parallel::ForkManager($opt->{workers});
    while (1) {
        my $pid = $pm->start and next;

        my $w = Sque->new( stomp => "$opt->{host}:$opt->{port}" )->worker;
        $w->verbose( $opt->{verbose} ? 1 : 0 );
        $w->add_queues( @queues );
        $w->work;

        $pm->finish;
    }
}

1;

__END__

=pod

=encoding UTF-8

=head1 NAME

App::Sque::Command::work - Worker command for sque command-line tool

=head1 VERSION

version 0.010

=head1 AUTHOR

William Wolf <throughnothing@gmail.com>

=head1 COPYRIGHT AND LICENSE


William Wolf has dedicated the work to the Commons by waiving all of his
or her rights to the work worldwide under copyright law and all related or
neighboring legal rights he or she had in the work, to the extent allowable by
law.

Works under CC0 do not require attribution. When citing the work, you should
not imply endorsement by the author.

=cut