<?php
defined( 'WP_UNINSTALL_PLUGIN' ) || exit;

// Ask the service to forget this site (frees the license seat, drops the e-mail and fingerprint).
// Best effort and non-blocking: uninstall must never hang on the network.
$zeroconfig_opts = get_option( 'zeroconfig', array() );
if ( is_array( $zeroconfig_opts ) && ! empty( $zeroconfig_opts['site_id'] ) && ! empty( $zeroconfig_opts['site_token'] ) ) {
	$zeroconfig_api = defined( 'ZEROCONFIG_API' ) ? ZEROCONFIG_API : 'https://api.zeroconfigwp.com';
	wp_remote_post(
		rtrim( $zeroconfig_api, '/' ) . '/v1/sites/forget',
		array(
			'timeout'  => 3,
			'blocking' => false,
			'headers'  => array(
				'Content-Type'  => 'application/json',
				'X-ZC-Site'     => (string) $zeroconfig_opts['site_id'],
				'Authorization' => 'Bearer ' . $zeroconfig_opts['site_token'],
			),
			'body'     => '{}',
		)
	);
}

// The ownership check's one-time code, if a registration was still pending.
if ( is_array( $zeroconfig_opts ) && ! empty( $zeroconfig_opts['pending_reg']['challenge'] ) ) {
	delete_transient( 'zeroconfig_verify_' . md5( (string) $zeroconfig_opts['pending_reg']['challenge'] ) );
}

delete_option( 'zeroconfig' );
delete_option( 'zeroconfig_edge_last' );
delete_option( 'zeroconfig_upstream_queue' );
delete_option( 'zeroconfig_health' );
delete_option( 'zeroconfig_purge_gen' );
global $wpdb;
$wpdb->query( "DELETE FROM {$wpdb->options} WHERE option_name LIKE 'zeroconfig\_lock\_%'" ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- every lock row, whatever its name, once at uninstall
foreach ( array( 'zeroconfig_edge', 'zeroconfig_activation_redirect', 'zeroconfig_disable_cleaned', 'zeroconfig_gc_lock', 'zeroconfig_dropin_retry', 'zeroconfig_issue_url' ) as $zeroconfig_transient ) {
	delete_transient( $zeroconfig_transient );
}

foreach ( array( 'zeroconfig_heartbeat', 'zeroconfig_critical', 'zeroconfig_gc', 'zeroconfig_selftest', 'zeroconfig_selftest_poll', 'zeroconfig_deferred_purge', 'zeroconfig_upstream_purge', 'zeroconfig_warm', 'zeroconfig_edge_check', 'zeroconfig_claim' ) as $zeroconfig_hook ) {
	wp_unschedule_hook( $zeroconfig_hook );
}

$zeroconfig_dir = WP_CONTENT_DIR . '/cache/zeroconfig';
// phpcs:disable WordPress.WP.AlternativeFunctions.file_system_operations_rmdir -- empties and removes our own cache folder once, at uninstall.
if ( is_dir( $zeroconfig_dir ) ) {
	try {
		$zeroconfig_it = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $zeroconfig_dir, FilesystemIterator::SKIP_DOTS ), RecursiveIteratorIterator::CHILD_FIRST );
		foreach ( $zeroconfig_it as $zeroconfig_f ) {
			if ( $zeroconfig_f->isDir() ) {
				rmdir( $zeroconfig_f->getPathname() );
			} else {
				wp_delete_file( $zeroconfig_f->getPathname() );
			}
		}
		rmdir( $zeroconfig_dir );
	} catch ( Exception $zeroconfig_e ) {
		// A folder we cannot read: leave what is left rather than stop the uninstall.
		unset( $zeroconfig_e );
	}
}

$zeroconfig_dropin = WP_CONTENT_DIR . '/advanced-cache.php';
if ( is_file( WP_CONTENT_DIR . '/advanced-cache.php' ) && false !== strpos( (string) file_get_contents( WP_CONTENT_DIR . '/advanced-cache.php' ), 'ZEROCONFIG_DROPIN' ) ) {
	wp_delete_file( $zeroconfig_dropin );
}