<?php
/**
 * Uninstall routine for BlockSieve.
 *
 * Runs only when the user deletes the plugin via wp-admin. Removes plugin-owned
 * options and transients on every site (the whole network on multisite).
 * Conditions are stored as block attributes inside post_content and are
 * intentionally left untouched.
 *
 * @package BlockSieve
 */

// Exit if uninstall is not triggered by WordPress.
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
	exit;
}

// The main plugin file is not loaded during uninstall; load it for the storage
// key constants. Its boot is bound to plugins_loaded, which has already fired.
require_once __DIR__ . '/blocksieve.php';

/**
 * Removes the plugin's stored data for the current site.
 *
 * @return void
 */
function blocksieve_uninstall_site(): void {
	delete_option( BLOCKSIEVE_SETTINGS_OPTION );
	delete_transient( BLOCKSIEVE_REPORT_TRANSIENT );
}

/**
 * Removes the plugin's stored data on every site it may have run on.
 *
 * @return void
 */
function blocksieve_uninstall(): void {
	if ( ! is_multisite() ) {
		blocksieve_uninstall_site();
		return;
	}

	foreach ( get_sites(
		array(
			'fields' => 'ids',
			'number' => 0,
		)
	) as $site_id ) {
		switch_to_blog( (int) $site_id );
		blocksieve_uninstall_site();
		restore_current_blog();
	}
}

blocksieve_uninstall();