/**
 * Helper class to insert taxonomy terms after BuddyBlog Pro excerpts.
 */
class BBL_Custom_Tax_Lister {

    /**
     * Taxonomy name.
     *
     * @var string
     */
    private string $taxonomy;

    /**
     * Label to use before the terms list.
     *
     * @var string
     */
    private string $label = '';

    /**
     * Constructor.
     *
     * @param string $taxonomy Taxonomy name.
     * @param string $label Label to use before the terms list.
     */
    public function __construct( string $taxonomy, string $label = '' ) {
        $this->taxonomy = trim( $taxonomy );
        $this->label    = trim( $label );
    }

    public function setup() {
        add_action( 'bblpro_post_meta_actions', array( $this, 'list_terms' ) );
    }

    public function list_terms( $post_id ) {
        // we only sho it on posts loop, not on single page.
        if ( ! $this->taxonomy || is_single( $post_id ) ) {
            return;
        }

        $terms = wp_get_post_terms( $post_id, $this->taxonomy );

        if ( empty( $terms ) || is_wp_error( $terms ) ) {
            return;
        }

        $term_links = array();

        foreach ( $terms as $term ) {
            $term_links[] = sprintf( '<a href="%s">%s</a>', get_term_link( $term ), $term->name );
        }

        $output = sprintf( '<div class="bbl-custom-terms-list bbl-custom-%s-terms-list">', esc_attr( $this->taxonomy ) );

        if ( $this->label ) {
            $output .= sprintf( '<span class="bbl-custom-taxonomy-label">%s</span>', esc_html( $this->label ) );
        }

        $output .= join( ', ', $term_links );
        $output .= '</div>';

        echo $output;
    }
}