class BBL_Custom_Posts_Limiter {

    /**
     * Role to limit.
     *
     * @var mixed
     */
    private string $role;

    /**
     * Post type to limit.
     * @var string
     */
    private string $post_type;

    /**
     * Status to limit.
     * @var array
     */
    private $status = array();

    /**
     * Error message to show.
     *
     * @var string
     */
    private $error_message;

    /**
     * Limit.
     *
     * @var int
     */
    private $limit;

    /**
     * Constructor.
     *
     * @param array $args args.
     */
    public function __construct( $args = array() ) {
        $args = wp_parse_args(
            $args,
            array(
                'role'      => '',// Specify the role to limit.
                'post_type' => 'post',
                'status'    => array( 'publish', 'pending', 'draft', 'future', 'private' ),
                'limit'     => 5,// limit to 5 posts.
                'error'     => __( 'You have reached the limit of creating new posts.', 'bbl' ),
            )
        );

        $this->role          = $args['role'];
        $this->post_type     = $args['post_type'];
        $this->status        = $args['status'];
        $this->error_message = $args['error'];
        $this->limit         = absint( $args['limit'] );
    }

    /**
     * Sets up hooks.
     */
    public function setup() {

        if ( ! $this->role || ! $this->post_type || ! $this->limit ) {
            return;
        }
        // filter permission check.
        add_filter( 'bblpro_user_can_create_post', array( $this, 'can_create_post' ), 15, 3 );
        // append message.
        //add_action( 'bblpro_actions', array( $this, 'add_error_message' ) );
    }

    /**
     * Filters user permission for post creation to apply our limit.
     *
     * @param bool $can Can the user create post.
     * @param int $user_id User id.
     * @param string $post_type Post type.
     *
     * @return bool
     */
    public function can_create_post( $can, $user_id, $post_type ) {
        // it is already restricted. No need to do anything.
        if ( ! $can ) {
            return $can;
        }
        // should never happen.
        if ( ! is_user_logged_in() ) {
            return $can;
        }

        // not our post type.
        if ( $post_type !== $this->post_type ) {
            return $can;
        }

        // not on other user's profile.
        if ( bp_is_user() && ! bp_is_my_profile() ) {
            return $can;
        }

        $user = get_user_by( 'id', $user_id );

        if ( ! $user ) {
            return $can;
        }

        // this instance does not deal with this role.
        if ( ! in_array( $this->role, $user->roles ) ) {
            return $can;
        }

        $posts_count = $this->get_user_posts_count( $user->ID, $this->post_type, $this->status );

        if ( $posts_count >= $this->limit ) {
            $can = false;
        }


        return $can;
    }


    public function add_error_message( $action ) {
        // only on create screen.
        if ( 'create' !== $action ) {
            return;
        }
        // we need to insure it is our post type.

        if ( bblpro_user_can_create_post( get_current_user_id(), $this->post_type ) ) {
            buddyblog_pro()->notices->add( 'error', $this->error_message );
        }
    }

    /**
     * Retrieves posts count for user.
     *
     * @param int    $user_id User id.
     * @param string $post_type Post type.
     * @param array  $status Post statuses.
     *
     * @return int
     */
    private function get_user_posts_count( $user_id, $post_type = null, $status = array() ) {

        if ( ! $user_id ) {
            return 0;
        }

        global $wpdb;
        $where   = array();
        $where[] = $wpdb->prepare( "post_author = %d", $user_id );

        if ( $post_type ) {
            $where[] = $wpdb->prepare( "post_type = %s", $post_type );
        }

        if ( $status ) {
            $prepared_status = array();

            $status = (array) $status;
            foreach ( $status as $post_status ) {
                $prepared_status[] = $wpdb->prepare( "%s", $post_status );
            }

            $where[] = sprintf( "post_status IN (%s)", join( ',', $prepared_status ) );
        }


        $sql = "SELECT COUNT(*) FROM {$wpdb->posts} WHERE " . join( ' AND ', $where );

        return (int) $wpdb->get_var( $sql );
    }
}