<?php
/**
 * Core loader and module bootstrap.
 *
 * @package ABCTransferSmartOrders
 */

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

class ABCT_Core_Loader {
	/**
	 * Container.
	 *
	 * @var ABCT_Core_Container|null
	 */
	private static $container = null;

	/**
	 * Modules list.
	 *
	 * @var ABCT_Module_Interface[]
	 */
	private static $modules = array();

	/**
	 * Boot core.
	 *
	 * @return void
	 */
	public static function boot() {
		self::$container = self::build_container();
		self::$modules   = self::build_modules( self::$container );

		self::register_modules();

		/**
		 * Fires after core container and modules bootstrap.
		 *
		 * @param ABCT_Core_Container      $container Service container.
		 * @param array<int,mixed>         $modules Registered modules list.
		 */
		do_action( 'abct_core_booted', self::$container, self::$modules );
	}

	/**
	 * Build container.
	 *
	 * @return ABCT_Core_Container
	 */
	private static function build_container() {
		return new ABCT_Core_Container();
	}

	/**
	 * Build module instances.
	 *
	 * @param ABCT_Core_Container $container Container.
	 * @return ABCT_Module_Interface[]
	 */
	private static function build_modules( ABCT_Core_Container $container ) {
		$modules = array(
			new ABCT_Scheduling_Module( $container ),
			new ABCT_Menu_Module( $container ),
		);

		/**
		 * Filter core module instances before registration.
		 *
		 * @param array<int,mixed>     $modules   Module instances.
		 * @param ABCT_Core_Container  $container Service container.
		 */
		$modules = apply_filters( 'abct_core_modules', $modules, $container );

		return is_array( $modules ) ? $modules : array();
	}

	/**
	 * Register modules with fault isolation.
	 *
	 * @return void
	 */
	private static function register_modules() {
		foreach ( self::$modules as $module ) {
			if ( ! $module instanceof ABCT_Module_Interface ) {
				continue;
			}

			try {
				$module->register();
			} catch ( Throwable $e ) {
				error_log( '[ABCT Smart Orders] Module register failure: ' . get_class( $module ) . ' - ' . $e->getMessage() );
			}
		}
	}
}