<?php
namespace AccessNow\SimpleLMS;

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

/**
 * Keep the pre-5.0.0 class names working as aliases.
 *
 * Simple LMS 4.x used global SLMS_* classes. Theme template overrides copied
 * from 4.x call them directly (e.g. SLMS_Enrollment::is_enrolled()), so they
 * are aliased to the namespaced classes. Deprecated: new code should use the
 * AccessNow\SimpleLMS\* classes.
 */
function register_legacy_class_aliases() {
	$map = array(
		'Plugin'            => 'SLMS_Plugin',
		'Activator'         => 'SLMS_Activator',
		'Deactivator'       => 'SLMS_Deactivator',
		'Post_Types'        => 'SLMS_Post_Types',
		'Capabilities'      => 'SLMS_Capabilities',
		'Course_Meta'       => 'SLMS_Course_Meta',
		'Unit_Meta'         => 'SLMS_Unit_Meta',
		'Lesson_Meta'       => 'SLMS_Lesson_Meta',
		'Quiz_Meta'         => 'SLMS_Quiz_Meta',
		'Enrollment'        => 'SLMS_Enrollment',
		'Progress'          => 'SLMS_Progress',
		'Quiz_Engine'       => 'SLMS_Quiz_Engine',
		'Access_Control'    => 'SLMS_Access_Control',
		'Certificates'      => 'SLMS_Certificates',
		'Notifications'     => 'SLMS_Notifications',
		'Notes'             => 'SLMS_Notes',
		'Gamification'      => 'SLMS_Gamification',
		'Antispam'          => 'SLMS_Antispam',
		'Rewrites'          => 'SLMS_Rewrites',
		'Content_Integrity' => 'SLMS_Content_Integrity',
		'I18n'              => 'SLMS_I18n',
		'Admin'             => 'SLMS_Admin',
		'Enrollment_Admin'  => 'SLMS_Enrollment_Admin',
		'Reports'           => 'SLMS_Reports',
		'Export_Import'     => 'SLMS_Export_Import',
		'Course_Cloner'     => 'SLMS_Clone',
		'Frontend'          => 'SLMS_Public',
		'Template_Loader'   => 'SLMS_Template_Loader',
		'Shortcodes'        => 'SLMS_Shortcodes',
		'Ajax'              => 'SLMS_Ajax',
	);

	foreach ( $map as $class => $legacy ) {
		$class = __NAMESPACE__ . '\\' . $class;
		if ( class_exists( $class, false ) && ! class_exists( $legacy, false ) ) {
			class_alias( $class, $legacy );
		}
	}
}