<?php
/**
 * Removing the plugin disconnects the site from Tourtify (its key stops working there) and removes its settings and
 * cached tours.
 *
 * @package Tourtify
 */

defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

/**
 * Disconnect one site and remove its settings.
 */
function tourtify_uninstall_site() {
	$settings = get_option( 'tourtify_settings' );
	if ( is_array( $settings ) && ! empty( $settings['key'] ) && ! empty( $settings['site_url'] ) && preg_match( '#^https?://[^/]+$#', (string) $settings['site_url'] ) ) {
		wp_remote_post(
			$settings['site_url'] . '/embed/disconnect',
			array(
				'timeout'  => 5,
				'blocking' => false,
				'headers'  => array( 'Authorization' => 'Bearer ' . $settings['key'] ),
			)
		);
	}
	delete_option( 'tourtify_settings' );
	delete_option( 'tourtify_cache_version' );
	delete_transient( 'tourtify_activated' );
	// Cached tours are transients that expire on their own within a day.
}

if ( is_multisite() ) {
	// Every site of the network that used the plugin.
	foreach ( get_sites( array( 'fields' => 'ids', 'number' => 0 ) ) as $tourtify_site_id ) {
		switch_to_blog( (int) $tourtify_site_id );
		tourtify_uninstall_site();
		restore_current_blog();
	}
} else {
	tourtify_uninstall_site();
}