<?php
/**
 * @package AKSRT
 */

namespace AKSRT\Icons;

use AKSRT\Admin\ControllerBase;

defined('ABSPATH') || exit;

/**
 * REST endpoint serving the icon picker catalog.
 */
class IconController extends ControllerBase {

	private static $instance = null;

	public static function get_instance(): self {
		if (null === self::$instance) self::$instance = new self();
		return self::$instance;
	}

	public function register_routes(): void {
		register_rest_route(self::API_NAMESPACE, '/icons/catalog', [
			'methods'             => 'GET',
			'callback'            => [$this, 'get_catalog'],
			'permission_callback' => [$this, 'check_permission'],
		]);
	}

	public function get_catalog(): \WP_REST_Response {
		return $this->success([
			'groups' => IconCatalog::groups(),
		]);
	}
}