<?php
/**
 * Runs when the plugin is deleted from Plugins > Installed Plugins.
 * Removes settings, saved results and the Pro card dismissal on every site.
 *
 * @package YouWall
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

/**
 * Remove this plugin's data from the current site.
 */
function youwall_uninstall_site() {
	global $wpdb;

	delete_option( 'youwall_settings' );
	delete_option( 'youwall_cache_version' );

	// Cached results are transients named youwall_*. There is no core function to
	// delete transients by prefix, so this one cleanup query runs directly.
	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
	$wpdb->query(
		$wpdb->prepare(
			"DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s",
			$wpdb->esc_like( '_transient_youwall_' ) . '%',
			$wpdb->esc_like( '_transient_timeout_youwall_' ) . '%'
		)
	);
}

if ( is_multisite() ) {
	foreach ( get_sites(
		array(
			'fields' => 'ids',
			'number' => 0,
		)
	) as $youwall_site_id ) {
		switch_to_blog( $youwall_site_id );
		youwall_uninstall_site();
		restore_current_blog();
	}
} else {
	youwall_uninstall_site();
}

delete_metadata( 'user', 0, 'youwall_pro_dismissed', '', true );