<?php
/**
 * Delete only the compiled plugin-owned storage allowlist.
 *
 * @package Px320\SiteAudit
 */

declare(strict_types=1);

namespace Px320\SiteAudit\Storage;

final class Uninstaller {
	public static function run(): void {
		if ( is_multisite() ) {
			$site_ids = get_site_option( Schema::SITES_OPTION, array() );
			$site_ids = is_array( $site_ids ) ? array_map( 'intval', $site_ids ) : array( get_current_blog_id() );

			foreach ( array_values( array_unique( $site_ids ) ) as $site_id ) {
				switch_to_blog( $site_id );
				try {
					self::clean_current_site();
				} finally {
					restore_current_blog();
				}
			}

			delete_site_option( Schema::SITES_OPTION );
			return;
		}

		self::clean_current_site();
	}

	private static function clean_current_site(): void {
		global $wpdb;

		$mode = get_option( 'px320_site_audit_uninstall_mode', 'delete_all' );
		if ( 'preserve_reports' === $mode ) {
			delete_option( 'px320_site_audit_migration_lock' );
			delete_option( 'px320_site_audit_cleanup_cursor' );
			return;
		}

		foreach ( Schema::tables( $wpdb ) as $table ) {
			// Table names come only from Schema::tables(), the compiled allowlist.
			$safe_table = esc_sql( $table );
			// phpcs:ignore WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
			$wpdb->query( "DROP TABLE IF EXISTS `{$safe_table}`" );
		}

		foreach ( Schema::option_names() as $option_name ) {
			delete_option( $option_name );
		}
	}

	private function __construct() {
	}
}