<?php

declare(strict_types=1);

namespace App\Support\Ai;

final class AiDecisionAuditMetadataFactory
{
    /**
     * @return array<string, mixed>
     */
    public function make(AiExecutionRequest $request, AiExecutionDecision $decision): array
    {
        return array_filter([
            'use_case_key' => $decision->useCaseKey,
            'decision_outcome' => $decision->outcome,
            'decision_reason' => $decision->reasonCode->value,
            'workspace_ai_policy_mode' => $decision->workspaceAiPolicyMode,
            'requested_provider_class' => $decision->requestedProviderClass,
            'data_classifications' => $decision->dataClassifications,
            'source_family' => $decision->sourceFamily,
            'workspace_id' => $request->workspace?->getKey(),
            'tenant_id' => $request->tenant?->getKey(),
            'context_fingerprint' => $this->normalizedFingerprint($request->contextFingerprint),
            'matched_operational_control_scope' => $decision->matchedOperationalControlScope,
        ], static fn (mixed $value): bool => $value !== null);
    }

    private function normalizedFingerprint(?string $contextFingerprint): ?string
    {
        if (! is_string($contextFingerprint)) {
            return null;
        }

        $normalized = trim($contextFingerprint);

        return $normalized === '' ? null : $normalized;
    }
}