<?php

namespace Modules\Core\Privacy;

/**
 * Every registered provider's outcome, assembled into one right-of-erasure response
 * — the audit trail proving what happened and, for anything not fully erased, why.
 * $subject is whichever scope the request was for — see docs/privacy.md
 * "User-scope vs Customer-scope".
 */
class ErasureReport
{
    /**
     * @param  array<int, ProviderErasureResult>  $results
     */
    public function __construct(
        public readonly UserSubject|CustomerSubject $subject,
        public readonly array $results,
    ) {}

    /**
     * @return array<int, ProviderErasureResult>
     */
    public function retained(): array
    {
        return array_values(array_filter(
            $this->results,
            fn (ProviderErasureResult $result) => $result->outcome === ErasureOutcome::Retained
        ));
    }
}