<?php

/**
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Chill\PersonBundle\Controller;

use Chill\MainBundle\Pagination\PaginatorFactory;
use Chill\PersonBundle\Entity\Household\Household;
use Chill\PersonBundle\Entity\Household\HouseholdComposition;
use Chill\PersonBundle\Form\HouseholdCompositionType;
use Chill\PersonBundle\Repository\Household\HouseholdCompositionRepository;
use Chill\PersonBundle\Security\Authorization\HouseholdVoter;
use DateTimeImmutable;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Form\FormFactoryInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;
use Symfony\Component\Security\Core\Security;
use Symfony\Component\Templating\EngineInterface;
use Symfony\Contracts\Translation\TranslatorInterface;

class HouseholdCompositionController
{
    private EngineInterface $engine;

    private EntityManagerInterface $entityManager;

    private FormFactoryInterface $formFactory;

    private HouseholdCompositionRepository $householdCompositionRepository;

    private PaginatorFactory $paginatorFactory;

    private Security $security;

    private TranslatorInterface $translator;

    private UrlGeneratorInterface $urlGenerator;

    public function __construct(
        Security $security,
        HouseholdCompositionRepository $householdCompositionRepository,
        PaginatorFactory $paginatorFactory,
        FormFactoryInterface $formFactory,
        EntityManagerInterface $entityManager,
        TranslatorInterface $translator,
        EngineInterface $engine,
        UrlGeneratorInterface $urlGenerator
    ) {
        $this->security = $security;
        $this->householdCompositionRepository = $householdCompositionRepository;
        $this->paginatorFactory = $paginatorFactory;
        $this->formFactory = $formFactory;
        $this->entityManager = $entityManager;
        $this->translator = $translator;
        $this->engine = $engine;
        $this->urlGenerator = $urlGenerator;
    }

    /**
     * @Route("/{_locale}/person/household/{id}/composition/index", name="chill_person_household_composition_index")
     */
    public function index(Household $household, Request $request): Response
    {
        if (!$this->security->isGranted(HouseholdVoter::SEE, $household)) {
            throw new AccessDeniedException('not allowed to edit an household');
        }

        $count = $this->householdCompositionRepository->countByHousehold($household);
        $paginator = $this->paginatorFactory->create($count);
        $compositions = $this->householdCompositionRepository->findByHousehold(
            $household,
            ['startDate' => 'DESC', 'id' => 'DESC'],
            $paginator->getItemsPerPage(),
            $paginator->getCurrentPageFirstItemNumber()
        );

        if ($this->security->isGranted(HouseholdVoter::EDIT, $household)) {
            $isEdit = $request->query->has('edit');

            if ($isEdit) {
                $householdCompositions = $household->getCompositions()->filter(static function (HouseholdComposition $composition) use ($request) {
                    return $composition->getId() === $request->query->getInt('edit');
                });

                if ($householdCompositions->count() !== 1) {
                    throw new BadRequestHttpException('could not find the composition with this id associated to the household');
                }
                $householdComposition = $householdCompositions->first();
            } else {
                $householdComposition = (new HouseholdComposition())
                    ->setStartDate(new DateTimeImmutable());
            }
            $form = $this->formFactory->create(HouseholdCompositionType::class, $householdComposition);

            $form->handleRequest($request);

            if ($form->isSubmitted() && $form->isValid()) {
                if (!$isEdit) {
                    $this->entityManager->persist($householdComposition);
                    $household->addComposition($householdComposition);
                }

                $this->entityManager->flush();

                $request->getSession()->getFlashBag()->add(
                    'success',
                    $this->translator->trans('household_composition.Composition added')
                );

                return new RedirectResponse(
                    $this->urlGenerator->generate('chill_person_household_composition_index', [
                        'id' => $household->getId(),
                    ])
                );
            }

            if ($form->isSubmitted() && !$form->isValid()) {
                $request->getSession()->getFlashBag()->add(
                    'warning',
                    $this->translator->trans('This form contains errors')
                );
            }
        }

        return new Response($this->engine->render(
            '@ChillPerson/HouseholdComposition/index.html.twig',
            [
                'household' => $household,
                'compositions' => $compositions,
                'form' => isset($form) ? $form->createView() : null,
                'isPosted' => isset($form) ? $form->isSubmitted() : false,
                'editId' => $request->query->getInt('edit', -1),
            ]
        ));
    }
}