<?php
if (!defined('ABSPATH')) {
    exit;
}

class TSAI_Taxonomy {

    public function __construct() {
        add_action('init', array($this, 'register_article_series'));
    }

    public function register_article_series() {
        register_taxonomy('article_series', 'post', array(
            'labels' => array(
                'name'              => 'Article Series',
                'singular_name'     => 'Article Series',
                'search_items'      => 'Search Series',
                'all_items'         => 'All Series',
                'edit_item'         => 'Edit Series',
                'update_item'       => 'Update Series',
                'add_new_item'      => 'Add New Series',
                'new_item_name'     => 'New Series Name',
                'menu_name'         => 'Article Series',
            ),
            'hierarchical'      => false,
            'show_in_rest'      => true,
            'show_ui'           => true,
            'show_admin_column' => true,
            'query_var'         => true,
            'rewrite'           => array('slug' => 'series'),
        ));

        $auth_callback = function () {
            return current_user_can('edit_posts');
        };

        register_post_meta('post', '_series_part_number', array(
            'type'          => 'integer',
            'single'        => true,
            'show_in_rest'  => true,
            'default'       => 0,
            'auth_callback' => $auth_callback,
        ));

        register_post_meta('post', '_series_summary', array(
            'type'          => 'string',
            'single'        => true,
            'show_in_rest'  => true,
            'default'       => '',
            'auth_callback' => $auth_callback,
        ));

        register_post_meta('post', '_tsai_search_results', array(
            'type'          => 'string',
            'single'        => true,
            'show_in_rest'  => true,
            'default'       => '',
            'auth_callback' => $auth_callback,
        ));

        register_post_meta('post', '_tsai_quiz_enabled', array(
            'type'          => 'boolean',
            'single'        => true,
            'show_in_rest'  => true,
            'default'       => false,
            'auth_callback' => $auth_callback,
        ));
    }
}

new TSAI_Taxonomy();