<?php

namespace App\Controller;

use App\Entity\Degree;
use App\Entity\Intern;
use App\Entity\InternDegree;
use App\Form\InternType;
use App\Repository\InternRepository;
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;

#[Route('/intern')]
final class InternController extends AbstractController
{
    #[Route(name: 'app_intern_index', methods: ['GET'])]
    public function index(InternRepository $internRepository): Response
    {
        return $this->render('intern/index.html.twig', [
            'interns' => $internRepository->findAll(),
        ]);
    }

    #[Route('/{id}', name: 'app_intern_show', methods: ['GET'])]
    public function show(Intern $intern): Response
    {
        return $this->render('intern/show.html.twig', [
            'intern' => $intern,
        ]);
    }

    #[Route('/{id}/edit', name: 'app_intern_edit', methods: ['GET', 'POST'])]
    public function edit(Request $request, Intern $intern, EntityManagerInterface $entityManager): Response
    {
        $form = $this->createForm(InternType::class, $intern);
        $form->handleRequest($request);

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

            return $this->redirectToRoute('app_intern_index', [], Response::HTTP_SEE_OTHER);
        }

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

    #[Route('/{id}', name: 'app_intern_delete', methods: ['POST'])]
    public function delete(Request $request, Intern $intern, EntityManagerInterface $entityManager): Response
    {
        if ($this->isCsrfTokenValid('delete'.$intern->getId(), $request->getPayload()->getString('_token'))) {
            $entityManager->remove($intern);
            $entityManager->flush();
        }

        return $this->redirectToRoute('app_intern_index', [], Response::HTTP_SEE_OTHER);
    }

    #[Route('/degrees/add', name:'app_intern_add_degrees', methods:['POST'])]
    public function addDegrees(Request $request, EntityManagerInterface $entityManager): Response
    {
        $intern = $this->getUser();

        if (!$intern instanceof Intern) {
            throw $this->createAccessDeniedException("Seuls les stagiaires peuvent sélectionner des diplômes.");
        }

        $selectedDegreeIds = $request->request->all('selected_degrees');

        if ($selectedDegreeIds == []) {
            $this->addFlash('error', "Aucune sélection valide n'a été effectuée.");
            return $this->redirectToRoute('app_degree_index');
        }

        $degreeRepository = $entityManager->getRepository(Degree::class);
        $internDegreeRepository = $entityManager->getRepository(InternDegree::class);

        foreach ($selectedDegreeIds as $degreeId) {
            $degree = $degreeRepository->find($degreeId);

            if (!$degree) {
                continue;
            }

            $existingInternDegree = $internDegreeRepository->findOneBy([
                'intern' => $intern,
                'degree' => $degree
            ]);

            if (!$existingInternDegree) {
                $internDegree = new InternDegree();
                $internDegree->setIntern($intern);
                $internDegree->setDegree($degree);
                $internDegree->setGraduationDate(new \DateTime());

                $entityManager->persist($internDegree);
            }
        }

        $entityManager->flush();

        $this->addFlash('success', 'Les diplômes ont été ajoutés avec succès.');

        return $this->redirectToRoute('app_profile');
    }
}