<?php
/**
 * Removes Aiviso data only when the administrator explicitly opted in.
 *
 * @package Aiviso
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

/**
 * Cleans one site's settings and, only when requested, attachment declarations.
 */
function aiviso_uninstall_site_data(): void {
	$aiviso_settings = get_option( 'aiviso_settings', array() );
	if ( ! empty( $aiviso_settings['remove_data_uninstall'] ) ) {
		global $wpdb;
		$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->postmeta} WHERE meta_key = %s", '_aiviso_ai_generated' ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Direct bulk cleanup is intentional during uninstall; caching does not apply.
	}
	delete_option( 'aiviso_settings' );
}

if ( ! is_multisite() ) {
	aiviso_uninstall_site_data();
	return;
}

$aiviso_offset = 0;
do {
	$aiviso_site_ids = get_sites(
		array(
			'fields' => 'ids',
			'number' => 100,
			'offset' => $aiviso_offset,
		)
	);
	foreach ( $aiviso_site_ids as $aiviso_site_id ) {
		switch_to_blog( (int) $aiviso_site_id );
		aiviso_uninstall_site_data();
		restore_current_blog();
	}
	$aiviso_offset += count( $aiviso_site_ids );
} while ( ! empty( $aiviso_site_ids ) );