<?php
/**
 * Runs when the plugin is deleted from wp-admin. Deactivation has already
 * removed server-file changes; this removes stored data and cache files.
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

foreach ( array( 'gsso_settings', 'gsso_version', 'gsso_log', 'gsso_preload_queue', 'gsso_minify_failures', 'gsso_asset_rules' ) as $gsso_option ) {
	delete_option( $gsso_option );
}
delete_transient( 'gsso_admin_messages' );
delete_transient( 'gsso_apply_pending' );
delete_transient( 'gsso_packages_feed' );
delete_transient( 'gsso_dashboard_stats' );
delete_transient( 'gsso_db_counts' );
delete_transient( 'gsso_host_cache' );
delete_metadata( 'user', 0, 'gsso_hide_plans', '', true );
delete_post_meta_by_key( '_gsso_disable' );

wp_clear_scheduled_hook( 'gsso_daily' );
wp_clear_scheduled_hook( 'gsso_db_cleanup' );
wp_clear_scheduled_hook( 'gsso_preload_run' );
wp_clear_scheduled_hook( 'gsso_refresh_packages' );

// Remove our cache directories (strictly limited to our own folders).
$gsso_dirs = array( WP_CONTENT_DIR . '/cache/gsso', WP_CONTENT_DIR . '/cache/gsso-config' );
foreach ( $gsso_dirs as $gsso_dir ) {
	$gsso_real = realpath( $gsso_dir );
	if ( ! $gsso_real || 0 !== strpos( $gsso_real, realpath( WP_CONTENT_DIR ) . DIRECTORY_SEPARATOR . 'cache' ) ) {
		continue;
	}
	$gsso_items = new RecursiveIteratorIterator(
		new RecursiveDirectoryIterator( $gsso_real, FilesystemIterator::SKIP_DOTS ),
		RecursiveIteratorIterator::CHILD_FIRST
	);
	foreach ( $gsso_items as $gsso_item ) {
		if ( $gsso_item->isDir() && ! $gsso_item->isLink() ) {
			@rmdir( $gsso_item->getPathname() ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir -- Path verified to be inside wp-content/cache/gsso*.
		} else {
			wp_delete_file( $gsso_item->getPathname() );
		}
	}
	@rmdir( $gsso_real ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir -- Path verified to be inside wp-content/cache/gsso*.
}

// Safety net in case deactivation hooks never ran (e.g. plugin folder deleted by hand).
$gsso_dropin = WP_CONTENT_DIR . '/advanced-cache.php';
if ( is_readable( $gsso_dropin ) && false !== strpos( (string) file_get_contents( $gsso_dropin, false, null, 0, 300 ), 'GSSO-DROPIN' ) ) {
	wp_delete_file( $gsso_dropin );
}