<?php

namespace App\Modules\Identity\Http;

use App\Shared\Context\CompanyContext;
use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

final class RequireCompanyContext
{
    public function __construct(private CompanyContext $context) {}

    public function handle(Request $request, Closure $next): Response
    {
        $this->context->clear();
        try {
            $selection = $request->session()->get('company_context', []);
            $tenant = $selection['tenant_id'] ?? null;
            $company = $selection['company_id'] ?? null;
            abort_unless($request->user() && $tenant && $company, 403, 'Contexto de empresa obrigatório.');
            $this->context->selectFor((int) $request->user()->getKey(), $tenant, $company, $selection['unit_id'] ?? null);
            if (! $request->isMethodSafe()) {
                $token = $request->header('X-SGF-Context');
                abort_unless(is_string($token) && hash_equals($selection['token'] ?? '', $token), 409, 'O contexto mudou. Reabra o formulário antes de guardar.');
            }

            return $next($request);
        } finally {
            $this->context->clear();
        }
    }
}