package CW::Controller::Board;

use Moo;

extends 'CW::Controller';

has page_size => (
    is      => 'lazy',
    default => sub { 32 }
);

sub index {
    my ($self) = @_;

    my $board_identifier = $self->params->{board};

    if ( !$board_identifier ) {
        return $self->evac(404);
    }

    my $board =
      $self->dbh->selectrow_hashref( "SELECT * FROM boards WHERE id = ?",
        undef, $board_identifier );

    if ( !$board ) {
        return $self->evac(404);
    }

    my ($total_posts) = $self->dbh->selectrow_array(
        "SELECT COUNT(id) FROM posts WHERE board_id = ? ORDER BY created_at",
        undef, $board_identifier );

    my $query     = $self->request->query_parameters;
    my $page      = $query->{p} // 1;
    my $page_size = $self->page_size;
    my $offset    = $page == 1 ? 0 : $page - 1;

    my $posts = $self->dbh->selectall_arrayref(
        "SELECT * FROM posts WHERE board_id = ?"
          . " ORDER BY created_at LIMIT ? , ?",
        undef,
        $board_identifier,
        $page_size + 0,
        $page_size * $offset
    );

    $self->response->template(
        'Board',
        {
            page        => $page,
            page_size   => $page_size,
            total_posts => $total_posts,
            board       => $board,
            posts       => $posts
        }
    );
}

1;