<?php
/**
 * Register 12 hub-core custom tables to TMDO Custom Table Registry.
 *
 * 從 2meet-hub-core/includes/class-tmhc-plugin.php:222-245 抽出。
 * 表 schema 定義仍由 hub-core 擁有（透過 tmhc_get_table_suffixes() 等 helper 取得）。
 *
 * @package TMDO_HUB
 * @since   0.1.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

final class TMDO_Hub_Custom_Tables {

	private static bool $registered = false;

	/**
	 * Hub 12 表清單（fallback 當 tmhc_get_table_suffixes 不可用時）。
	 */
	private const FALLBACK_SUFFIXES = array(
		'2mhc_oauth_clients',
		'2mhc_oauth_auth_codes',
		'2mhc_oauth_access_tokens',
		'2mhc_oauth_refresh_tokens',
		'2mhc_oauth_slo_state',
		'2mhc_user_identities',
		'2mhc_vendor_sites',
		'2mhc_aggregated_services',
		'2mhc_brand_pages',
		'2mhc_audit_log',
		'2mhc_sync_inbox',
		'2mhc_rate_limits',
	);

	/**
	 * Register tables to TMDO Custom Table Registry.
	 *
	 * @param object $registry TMDO_Custom_Table_Registry / WPDO_Custom_Table_Registry instance.
	 */
	public static function register( $registry ): void {
		if ( self::$registered ) {
			return;
		}
		if ( ! is_object( $registry ) || ! method_exists( $registry, 'register' ) ) {
			return;
		}

		$suffixes = self::get_suffixes();
		$expected_columns = self::get_expected_columns_safe();
		$expected_indexes = self::get_expected_indexes_safe();

		foreach ( $suffixes as $suffix ) {
			$registry->register(
				'2meet-data-optimizer-hub-addon',
				array(
					'table_name'       => $suffix,
					'primary_key'      => 'id',
					'expected_columns' => $expected_columns[ $suffix ] ?? array(),
					'indexes'          => $expected_indexes[ $suffix ] ?? array(),
					'description'      => '2meet Hub Core 自訂表：' . $suffix,
				)
			);
		}

		self::$registered = true;
	}

	private static function get_suffixes(): array {
		if ( function_exists( 'tmhc_get_table_suffixes' ) ) {
			$out = tmhc_get_table_suffixes();
			if ( is_array( $out ) && ! empty( $out ) ) {
				return $out;
			}
		}
		return self::FALLBACK_SUFFIXES;
	}

	private static function get_expected_columns_safe(): array {
		if ( class_exists( 'TMHC_Plugin' ) && method_exists( 'TMHC_Plugin', 'get_expected_columns' ) ) {
			$reflection = new ReflectionMethod( 'TMHC_Plugin', 'get_expected_columns' );
			if ( $reflection->isStatic() && $reflection->isPublic() ) {
				return TMHC_Plugin::get_expected_columns();
			}
		}
		return array();
	}

	private static function get_expected_indexes_safe(): array {
		if ( class_exists( 'TMHC_Plugin' ) && method_exists( 'TMHC_Plugin', 'get_expected_indexes' ) ) {
			$reflection = new ReflectionMethod( 'TMHC_Plugin', 'get_expected_indexes' );
			if ( $reflection->isStatic() && $reflection->isPublic() ) {
				return TMHC_Plugin::get_expected_indexes();
			}
		}
		return array();
	}
}