<?php
namespace MazlanHalim\IntelliLanz\Detection;

use MazlanHalim\IntelliLanz\Graph\Node;

final class BackupDetector implements DetectorInterface {
    /** Known backup plugins, not exhaustive. */
    private const PLUGINS = array( 'updraftplus/updraftplus.php', 'backwpup/backwpup.php', 'duplicator/duplicator.php', 'wp-time-capsule/wp-time-capsule.php', 'backupbuddy/backupbuddy.php', 'all-in-one-wp-migration/all-in-one-wp-migration.php' );
    private ?array $active;
    public function __construct( ?array $active = null ) { $this->active = $active; }
    public function detect(): array {
        $active = $this->active ?? (array) get_option( 'active_plugins', array() );
        if ( $this->active === null && is_multisite() ) { $active = array_merge( $active, array_keys( (array) get_site_option( 'active_sitewide_plugins', array() ) ) ); }
        $provider = null; foreach ( self::PLUGINS as $file ) { if ( in_array( $file, $active, true ) ) { $provider = $file; break; } }
        return array( 'nodes' => array( new Node( 'system:backup', 'backup', 'system', 'Backup coverage', 'unknown', 0, array( 'detected' => $provider !== null, 'provider_file' => $provider ) ) ), 'edges' => array() );
    }
}