<?php
/**
 * Clean-up when the plugin is deleted.
 *
 * Invoice numbers stay on the orders: they are accounting records that the law asks
 * shops to keep. The number counters (taxvoice_counter_*) are kept too, so that a later
 * reinstall continues the sequence instead of issuing duplicate numbers.
 *
 * @package Taxvoice
 */

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

require_once __DIR__ . '/includes/class-taxvoice-storage.php';

/**
 * Remove settings and temporary files of the current site.
 */
function taxvoice_uninstall_site() {
	global $wpdb;
	delete_option( 'taxvoice_settings' );
	// Leftover locks (taxvoice_lock_*). Counters are kept on purpose (see above).
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- One-time clean-up of our own options.
	$names = $wpdb->get_col( $wpdb->prepare( "SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE %s", $wpdb->esc_like( 'taxvoice_lock_' ) . '%' ) );
	foreach ( $names as $name ) {
		delete_option( $name );
	}
	Taxvoice_Storage::delete_all();
}

if ( is_multisite() ) {
	foreach ( get_sites( array( 'fields' => 'ids' ) ) as $taxvoice_site ) {
		switch_to_blog( $taxvoice_site );
		taxvoice_uninstall_site();
		restore_current_blog();
	}
} else {
	taxvoice_uninstall_site();
}

// Dismissed setup reminder (user meta is shared by all sites of a network).
delete_metadata( 'user', 0, 'taxvoice_setup_notice_dismissed', '', true );