<?php
/**
 * Uninstall handler — removes AI-SiteArk data only when the user opted in.
 *
 * @package AI_SiteArk
 * Copyright (c) 2026 AtoZ INFOWAY INC.
 * Licensed under the GNU General Public License, version 2 or later.
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

/**
 * Remove all AI-SiteArk data for one site (tables, options, caps, crons).
 *
 * Backup files on disk are NOT deleted here — they may be the user's only copy.
 *
 * @return void
 */
function aisiteark_uninstall_site() {
	global $wpdb;

	$settings = get_option( 'aisiteark_settings', array() );
	$remove   = is_array( $settings ) && ! empty( $settings['uninstall_remove_data'] );

	if ( ! $remove ) {
		return; // Keep the user's data/history.
	}

	foreach ( array( 'jobs', 'backups' ) as $aisiteark_table ) {
		$aisiteark_name = $wpdb->prefix . 'aisiteark_' . $aisiteark_table;
		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.DirectDatabaseQuery, PluginCheck.Security.DirectDB.UnescapedDBParameter -- table name built from $wpdb->prefix + a fixed constant.
		$wpdb->query( "DROP TABLE IF EXISTS {$aisiteark_name}" );
	}

	delete_option( 'aisiteark_settings' );
	delete_option( 'aisiteark_db_version' );
	delete_option( 'aisiteark_version' );
	delete_option( 'aisiteark_backup_tokens' );
	delete_option( 'aisiteark_backup_secret' );

	$roles = wp_roles();
	if ( $roles ) {
		foreach ( array_keys( $roles->roles ) as $role_name ) {
			$role = get_role( $role_name );
			if ( ! $role ) {
				continue;
			}
			foreach ( array( 'aisiteark_manage', 'aisiteark_admin' ) as $cap ) {
				$role->remove_cap( $cap );
			}
		}
	}

	wp_clear_scheduled_hook( 'aisiteark_backup_cron' );
	wp_clear_scheduled_hook( 'aisiteark_job_continue' );
}

if ( is_multisite() ) {
	$aisiteark_site_ids = get_sites( array( 'fields' => 'ids' ) );
	foreach ( $aisiteark_site_ids as $aisiteark_site_id ) {
		switch_to_blog( (int) $aisiteark_site_id );
		aisiteark_uninstall_site();
		restore_current_blog();
	}
} else {
	aisiteark_uninstall_site();
}