SIGNAL_LAST {
    my ($server, $msg, $nick, $uh) = @_;
    my $own_nick = $server->{'nick'};

    return if nuh_is_bot("$nick!$uh");

    $msg =~ s/^\Q$global_command_prefix//i; # Remove redundant bang
    $msg =~ s/^\Q$own_nick\E[:,]\s+//i;     # Remove redundant referer prefix

    process_command($server, $msg, "$nick!$uh", '', $nick);

} 'message private';

SIGNAL_LAST {
    my ($server, $msg, $nick, $uh, $channel) = @_;
    my $own_nick = $server->{'nick'};

    return if nuh_is_bot("$nick!$uh");

    # Bang-commands are considered direct commands
    $msg =~ s/^\Q$own_nick\E[:,]\s+//i || $msg =~ s/^\Q$global_command_prefix//i
        or return process_public($server, $msg, "$nick!$uh", $channel, '');

    if($msg =~ s/\@\s*(.*)$//) {
        my $override_nick = $1;
        Rei2::Util::sanitize_whitespace $override_nick;

        my $nick_rec =
            $server->channel_find($channel)->nick_find($override_nick);
        $nick_rec
            or return; # TODO: report error

        $nick = $nick_rec->{nick};
        $uh   = $nick_rec->{host};
    }

    lc($nick) eq lc($own_nick) and return;

    process_command($server, $msg, "$nick!$uh", $channel, '');

} 'message public';