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}

sub read_commandline_args {
  my $self = shift;
  my ($port, $debug, $address, $log);
  GetOptions("port=i" => \$port, "debug=s" => \$debug, "log=s" => \$log, "address=s" => \$address);
  $self->commandline->{port} = $port if $port and $port =~ /\d+/;
  $self->commandline->{address} = $address if $address;

  $AnyEvent::Log::FILTER->level($debug || "info");

  if ($log) {
    $AnyEvent::Log::COLLECT->attach(AnyEvent::Log::Ctx->new(
      level => ($debug || "info"),
      log_to_file => $log
    ));
  }
}

sub http_port {
  my $self = shift;
  if ($self->commandline->{port}) {
    return $self->commandline->{port};
  }
  return $self->port;
}

sub http_address {
  my $self = shift;
  if ($self->commandline->{address}) {
    return $self->commandline->{address};
  }
  if ($self->address eq "localhost") {
    $self->address("127.0.0.1");
  }
  return $self->address;
}

sub merge {
  my ($self, $config) = @_;
  for my $key (keys %$config) {
    if (exists $config->{$key} and my $attr = $self->meta->get_attribute($key)) {
      $self->$key($config->{$key}) if $attr->has_write_method;
    }
    else {
      say STDERR "$key is not a valid config option";
    }
  }
}

sub write {
  my $self = shift;
  my $callback = pop;
  mkdir $self->path if !-d $self->path;
  aio_open $self->fullpath, POSIX::O_CREAT | POSIX::O_WRONLY | POSIX::O_TRUNC, 0644, sub {
    my $fh = shift;
    if ($fh) {
      local $Data::Dumper::Terse = 1;
      local $Data::Dumper::Indent = 1;
      my $config = Dumper $self->serialized;
      aio_write $fh, 0, length $config, $config, 0, sub {
        $callback->() if $callback;
      };
    }
    else {
      warn "Can not write config file: $!\n";
    }
  }
}

sub serialized {
  my $self = shift;
  return {
    map {
      my $name = $_->name;
      $name => $self->$name;
    } grep {$_->has_write_method}
    $self->meta->get_all_attributes
  };
}

sub ignores {
  my ($self, $type) = @_;
  $type ||= "msg";
  @{$self->ignore->{$type} || []}
}

sub is_ignore {
  my ($self, $type, $nick) = @_;
  $type ||= "msg";
  any {$_ eq $nick} $self->ignores($type);
}

sub add_ignore {
  my ($self, $type, $nick) = @_;
  push @{$self->ignore->{$type}}, $nick;
  $self->write;
}

sub remove_ignore {
  my ($self, $type, $nick) = @_;
  $self->ignore->{$type} = [ grep {$nick ne $_} $self->ignores($type) ];
  $self->write;
}

__PACKAGE__->meta->make_immutable;
1;