<?php

declare(strict_types=1);

namespace App\Controller\Admin\Resource;

use App\Entity\Resource;
use App\Form\Admin\ResourceFormType;
use App\Htmx\HxRedirectResponse;
use App\Repository\BookingRepository;
use App\Security\Role;
use App\Service\AuditLogger;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Security\Http\Attribute\IsGranted;

/**
 * Renaming, moving to another room, and retiring or reactivating.
 *
 * Retiring is a checkbox here rather than a confirmation modal of its own: it deletes nothing and
 * is undone by ticking the box again. What it does leave behind -- bookings that still point at
 * the resource -- is named in the flash, so the administrator can release them from
 * /manage/bookings if they should not stand.
 */
#[IsGranted(Role::ADMIN)]
final class EditController extends AbstractController
{
    public function __construct(
        private readonly EntityManagerInterface $em,
        private readonly BookingRepository $bookings,
        private readonly AuditLogger $audit,
    ) {
    }

    #[Route('/admin/resources/{id}/edit', name: 'app_admin_resource_edit', methods: ['GET', 'POST'])]
    public function index(Request $request, Resource $resource): Response
    {
        $wasActive = $resource->isActive();

        $form = $this->createForm(ResourceFormType::class, $resource, [
            'action' => $this->generateUrl('app_admin_resource_edit', ['id' => $resource->getId()]),
            'with_active' => true,
        ]);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $this->em->flush();

            $this->audit->resourceUpdated($resource, $wasActive);

            $remaining = $wasActive && !$resource->isActive()
                ? $this->bookings->countFromDate($resource, new \DateTimeImmutable('today'))
                : 0;

            if ($remaining > 0) {
                $this->addFlash('warning', \sprintf(
                    '%s ist nicht mehr buchbar. %d bestehende Buchungen ab heute bleiben erhalten.',
                    $resource->getLabel(),
                    $remaining,
                ));
            } else {
                $this->addFlash('success', \sprintf('%s gespeichert.', $resource->getLabel()));
            }

            return new HxRedirectResponse($this->generateUrl('app_admin_resource'));
        }

        return $this->render('admin/_modal_resource.html.twig', [
            'form' => $form,
            'resource' => $resource,
        ]);
    }
}