<?php

namespace App\Controller;

use App\Entity\User;
use App\Form\SignUpFormType;
use App\Repository\UserRepository;
use App\Security\EmailVerifier;
use Doctrine\ORM\EntityManagerInterface;
use LogicException;
use Symfony\Bridge\Twig\Mime\TemplatedEmail;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mime\Address;
use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Security\Http\Authentication\AuthenticationUtils;
use Symfony\Contracts\Translation\TranslatorInterface;
use SymfonyCasts\Bundle\VerifyEmail\Exception\VerifyEmailExceptionInterface;

class UserController extends AbstractController {
    /**
     * @var EmailVerifier The email verifier service
     */
    private readonly EmailVerifier $emailVerifier;

    /**
     * Initialisation
     *
     * @param EmailVerifier $emailVerifier The email verifier service
     */
    public function __construct (EmailVerifier $emailVerifier) {
        $this->emailVerifier = $emailVerifier;
    }

    /**
     * Register a new user
     *
     * @param Request                     $request            The query
     * @param UserPasswordHasherInterface $userPasswordHasher The password hashing service
     * @param EntityManagerInterface      $entityManager      The entity manager
     *
     * @return Response The response
     *
     * @throws TransportExceptionInterface
     */
    #[Route('/signUp', name: 'user_signUp')]
    public function signUp (Request $request, UserPasswordHasherInterface $userPasswordHasher, EntityManagerInterface $entityManager): Response {
        $user = new User();

        $form = $this->createForm(SignUpFormType::class, $user);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            // encode the plain password
            $user->setPassword(
                $userPasswordHasher->hashPassword(
                    $user,
                    $form->get('newPassword')->getData()
                )
            );

            $entityManager->persist($user);
            $entityManager->flush();

            // Generate the mail with the link to verify the account
            $this->emailVerifier->sendEmailConfirmation(
                'user_mailVerify',
                $user,
                (new TemplatedEmail())
                    ->from(
                        new Address(
                            $this->getParameter('mailer.email'),
                            $this->getParameter('mailer.name')
                        )
                    )
                    ->to($user->getEmail())
                    ->subject('Please Confirm your Email')
                    ->htmlTemplate('user/confirmation_email.html.twig')
            );

            $this->addFlash('info', 'Please validate your account through the confirmation mail');
            return $this->redirectToRoute('core_main');
        }

        return $this->render('user/signUp.html.twig', [
            'registrationForm' => $form,
        ]);
    }
    /**
     * User email verification
     *
     * @param Request             $request        The request
     * @param TranslatorInterface $translator     The translation service
     * @param UserRepository      $userRepository The user repository
     *
     * @return Response
     */
    #[Route('/emailVerify', name: 'user_mailVerify')]
    public function verifyUserEmail (Request $request, TranslatorInterface $translator, UserRepository $userRepository): Response {
        $id = $request->query->get('id');
        if ($id === null) {
            return $this->redirectToRoute('user_signUp');
        }

        $user = $userRepository->find($id);
        if ($user === null) {
            return $this->redirectToRoute('user_signUp');
        }

        try {
            $this->emailVerifier->handleEmailConfirmation($request, $user);
        }
        catch (VerifyEmailExceptionInterface $exception) {
            $this->addFlash('verify_email_error', $translator->trans($exception->getReason(), [], 'VerifyEmailBundle'));

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

        $this->addFlash('success', 'Your email address has been verified, now please wait for an administrator confirmation');
        return $this->redirectToRoute('core_main');
    }

    /**
     * Sign in a user
     *
     * @param AuthenticationUtils $authenticationUtils Security errors from query
     *
     * @return Response The response
     */
    #[Route(path: '/signIn', name: 'user_signIn')]
    public function login (AuthenticationUtils $authenticationUtils): Response {
        /** @var User|null $user */
        $user = $this->getUser();
        if ($user !== null) {
            $this->addFlash(
                'warning',
                'You are already logged in, please <a href="' . $this->generateUrl('user_signOut') . '">sign out</a> first.'
            );
        }

        $error = $authenticationUtils->getLastAuthenticationError();

        $lastUsername = $authenticationUtils->getLastUsername();
        return $this->render(
            'user/signIn.html.twig',
            [
                'last_username' => $lastUsername,
                'error'         => $error,
            ]
        );
    }

    /**
     * Sign out
     *
     * <b>NOTE :</b> dummy controller, intercepted by firewall
     *
     * @return void
     */
    #[Route(path: '/signOut', name: 'user_signOut')]
    public function logout (): void {
        throw new LogicException('This method can be blank - it will be intercepted by the logout key on your firewall.');
    }
}