<?php

namespace AcademicCrew\PageGenerator;

use AcademicCrew\Core\Loader;

/**
 * Creates the Publications archive page on plugin activation if it does not exist.
 *
 * The page renders via [academiccrew_publications_archive] shortcode.
 * Option key: academiccrew_publications_archive_page_id
 */
class PublicationsArchivePageGenerator extends PageGeneratorBase {

    public function register( Loader $loader ): void {
        $loader->add_action( 'admin_init', $this, 'maybe_generate_archive' );
    }

    public function maybe_generate_archive(): void {
        static::generate_if_needed();
    }

    /**
     * Creates the archive page and stores its ID in options.
     * Safe to call multiple times — skips if a published page already exists.
     */
    public static function generate_if_needed(): void {
        $page_id = (int) get_option( 'academiccrew_publications_archive_page_id', 0 );

        if ( $page_id && ( $page = get_post( $page_id ) ) && 'trash' !== $page->post_status ) {
            // Ensure Avada metas are present (idempotent). Clear fusion_builder_status
            // so Fusion Builder does not try to load its editor on this page.
            update_post_meta( $page_id, 'pyre_page_title',       'no'   );
            update_post_meta( $page_id, 'pyre_sidebar_position', 'none' );
            update_post_meta( $page_id, 'fusion_builder_status', ''     );
            return;
        }

        $page_id = wp_insert_post( [
            'post_title'   => __( 'Publications', 'academiccrew' ),
            'post_content' => '[academiccrew_publications_archive]',
            'post_status'  => 'publish',
            'post_type'    => 'page',
            'post_name'    => 'publications',
            'meta_input'   => [
                '_academiccrew_is_publications_archive' => 1,
                'pyre_page_title'                    => 'no',
                'pyre_sidebar_position'              => 'none',
            ],
        ], true );

        if ( ! is_wp_error( $page_id ) && $page_id ) {
            update_option( 'academiccrew_publications_archive_page_id', $page_id );
        }
    }
}