<?php
/**
 * Uninstall: put every quarantined file back where it was (so removing the
 * plugin never loses files), then remove Mediawell's tables, options, post
 * meta and scheduled events.
 *
 * @package Mediawell
 */

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

require_once __DIR__ . '/includes/class-mediawell-db.php';
require_once __DIR__ . '/includes/class-mediawell-settings.php';
require_once __DIR__ . '/includes/class-mediawell-paths.php';
require_once __DIR__ . '/includes/class-mediawell-quarantine.php';

Mediawell_Quarantine::restore_all();

// Remove the quarantine folder if it is now empty of files.
$mediawell_key = get_option( 'mediawell_qkey' );
if ( is_string( $mediawell_key ) && preg_match( '/^[a-z0-9]{20}$/', $mediawell_key ) ) {
	require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
	require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
	$mediawell_fs     = new WP_Filesystem_Direct( null );
	$mediawell_folder = Mediawell_Paths::abs( 'mediawell-quarantine-' . $mediawell_key );
	$mediawell_left   = $mediawell_fs->dirlist( $mediawell_folder, false, true );
	$mediawell_files  = 0;
	$mediawell_count  = function ( $entries ) use ( &$mediawell_count, &$mediawell_files ) {
		foreach ( (array) $entries as $entry ) {
			if ( 'f' === $entry['type'] && ! in_array( $entry['name'], array( 'index.php', '.htaccess', 'web.config' ), true ) ) {
				++$mediawell_files;
			} elseif ( 'd' === $entry['type'] && ! empty( $entry['files'] ) ) {
				$mediawell_count( $entry['files'] );
			}
		}
	};
	$mediawell_count( $mediawell_left );
	if ( 0 === $mediawell_files ) {
		$mediawell_fs->rmdir( $mediawell_folder, true );
	}
}

Mediawell_DB::drop();

foreach ( array( 'mediawell_settings', 'mediawell_scan', 'mediawell_keep', 'mediawell_qkey', 'mediawell_db_version' ) as $mediawell_option ) {
	delete_option( $mediawell_option );
}

foreach ( array( '_mediawell_hash', '_mediawell_phash', '_mediawell_bytes', '_mediawell_missing', '_mediawell_quarantined' ) as $mediawell_key_name ) {
	delete_post_meta_by_key( $mediawell_key_name );
}

wp_clear_scheduled_hook( 'mediawell_daily' );
wp_clear_scheduled_hook( 'mediawell_scan_step' );