<?php

namespace App\Controller;

use App\Entity\Customer;
use App\Entity\CustomerTracking;
use App\Entity\Product;
use App\Entity\ProductReserve;
use App\Entity\SitePerformance;
use App\Repository\CustomerRepository;
use App\Repository\CustomerTrackingRepository;
use App\Repository\FormulesRepository;
use App\Repository\OrderSessionRepository;
use App\Repository\ProductRepository;
use App\Repository\ProductReserveRepository;
use App\Service\Mailer\Mailer;
use App\Service\Search\Client;
use Doctrine\ORM\EntityManagerInterface;
use Fkrzski\RobotsTxt\RobotsTxt;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Form\Extension\Core\Type\EmailType;
use Symfony\Component\Form\Extension\Core\Type\TextareaType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Security\Http\Authentication\AuthenticationUtils;
use Vich\UploaderBundle\Templating\Helper\UploaderHelper;

class ReserverController extends AbstractController
{
    #[Route('/robots.txt', name: 'robots_txt', defaults: ['_format' => 'txt'])]
    public function index(Request $request): Response
    {
        $robots = new RobotsTxt();
        $robots->disallow('/signature');
        $robots->disallow('/payment');
        $robots->crawlDelay(60);
        $robots->allow('/reservation');
        $robots->sitemap($request->getSchemeAndHttpHost().'/seo/sitemap.xml');

        return new Response($robots->toString(), Response::HTTP_OK, [
            'Content-Type' => 'text/plain'
        ]);
    }

    #[Route('/', name: 'reservation')]
    public function revervation(FormulesRepository $formulesRepository, ProductRepository $productRepository): Response
    {
        $products = $productRepository->findBy(['category' => '3-15 ans'], ['updatedAt' => 'DESC'], 3);
        $formules = $formulesRepository->findBy(['isPublish' => true], ['pos' => 'ASC'], 3);

        return $this->render('revervation/home.twig', [
            'products' => $products,
            'formules' => $formules,
        ]);
    }

    #[Route('/produit/check', name: 'produit_check', methods: ['GET', 'POST'])]
    public function productCheck(Request $request, ProductReserveRepository $productReserveRepository, ProductRepository $productRepository): Response
    {
        $productId = $request->query->get('id');
        $startStr = $request->query->get('start');
        $endStr = $request->query->get('end');

        if (!$productId && $request->isMethod('POST')) {
            $payload = $request->getPayload();
            $productId = $payload->get('id');
            $startStr = $payload->get('start');
            $endStr = $payload->get('end');
        }

        if (!$productId || !$startStr || !$endStr) {
            return new JsonResponse(['error' => 'Missing parameters'], Response::HTTP_BAD_REQUEST);
        }

        $product = $productRepository->find($productId);
        if (!$product) {
            return new JsonResponse(['error' => 'Product not found'], Response::HTTP_NOT_FOUND);
        }

        try {
            $start = new \DateTimeImmutable($startStr);
            $end = new \DateTimeImmutable($endStr);
        } catch (\Exception $e) {
            return new JsonResponse(['error' => 'Invalid date format'], Response::HTTP_BAD_REQUEST);
        }

        $reserve = new ProductReserve();
        $reserve->setProduct($product);
        $reserve->setStartAt($start);
        $reserve->setEndAt($end);

        $isAvailable = $productReserveRepository->checkAvailability($reserve);

        return new JsonResponse(['dispo' => $isAvailable]);
    }

    #[Route('/web-vitals', name: 'reservation_web-vitals', methods: ['POST'])]
    public function webVitals(Request $request, EntityManagerInterface $em): Response
    {
        $data = json_decode($request->getContent(), true);

        if (!$data || !isset($data['name'], $data['value'])) {
            return new Response('Invalid data', Response::HTTP_BAD_REQUEST);
        }

        $existing = $em->getRepository(SitePerformance::class)->findOneBy(['metricId' => $data['id']]);
        $perf = $existing ?? new SitePerformance();

        $perf->setName($data['name']);
        $perf->setValue((float)$data['value']);
        $perf->setPath($data['path'] ?? '/');
        $perf->setMetricId($data['id'] ?? null);
        $perf->setCreatedAt(new \DateTimeImmutable());

        if (!$existing) {
            $em->persist($perf);
        }

        $em->flush();

        return new Response('', Response::HTTP_NO_CONTENT);
    }

    #[Route('/basket/json', name: 'reservation_basket_json', methods: ['POST'])]
    public function basketJson(Request $request, ProductRepository $productRepository, UploaderHelper $uploaderHelper): Response
    {
        $data = json_decode($request->getContent(), true);
        $ids = $data['ids'] ?? [];
        $startStr = $data['start'] ?? null;
        $endStr = $data['end'] ?? null;

        // Calcul de la durée
        $duration = 1;
        if ($startStr && $endStr) {
            try {
                $start = new \DateTimeImmutable($startStr);
                $end = new \DateTimeImmutable($endStr);
                if ($end >= $start) {
                    $duration = $start->diff($end)->days + 1;
                }
            } catch (\Exception $e) {
                $duration = 1;
            }
        }

        if (!is_array($ids)) {
            $ids = [];
        }

        $products = [];
        if (!empty($ids)) {
            $products = $productRepository->findBy(['id' => $ids]);
        }

        $items = [];
        $totalHT = 0;
        $tvaEnabled = isset($_ENV['TVA_ENABLED']) && $_ENV['TVA_ENABLED'] === "true";
        $tvaRate = $tvaEnabled ? 0.20 : 0;

        foreach ($products as $product) {
            $price1Day = $product->getPriceDay();
            $priceSup = $product->getPriceSup() ?? 0.0;

            // Calcul du coût total pour ce produit selon la durée
            $productTotalHT = $price1Day + ($priceSup * max(0, $duration - 1));
            $productTotalTTC = $productTotalHT * (1 + $tvaRate);

            $items[] = [
                'id' => $product->getId(),
                'name' => $product->getName(),
                'image' => $uploaderHelper->asset($product, 'imageFile'),
                'priceHt1Day' => $price1Day,
                'priceHTSupDay' => $priceSup,
                'priceTTC1Day' => $price1Day * (1 + $tvaRate),
                'totalPriceHT' => $productTotalHT,
                'totalPriceTTC' => $productTotalTTC,
            ];

            $totalHT += $productTotalHT;
        }

        $totalTva = $totalHT * $tvaRate;
        $totalTTC = $totalHT + $totalTva;

        return new JsonResponse([
            'start_date' => $startStr,
            'end_date' => $endStr,
            'products' => $items,
            'total' => [
                'totalHT' => $totalHT,
                'totalTva' => $totalTva,
                'totalTTC' => $totalTTC
            ]
        ]);
    }

    #[Route('/session', name: 'reservation_session_create', methods: ['POST'])]
    public function createSession(Request $request, EntityManagerInterface $em, OrderSessionRepository $sessionRepository): Response
    {
        $data = json_decode($request->getContent(), true);
        $existingUuid = $request->getSession()->get('order_session_uuid');
        $session = null;

        if ($existingUuid) {
            $session = $sessionRepository->findOneBy(['uuid' => $existingUuid]);
        }

        if (!$session) {
            $session = new \App\Entity\OrderSession();
            $session->setUuid(\Symfony\Component\Uid\Uuid::v4()->toRfc4122());
            $session->setState('created');
        }

        $session->setProducts($data ?? []);

        $user = $this->getUser();
        if ($user instanceof Customer) {
            $session->setCustomer($user);
        }

        $em->persist($session);
        $em->flush();

        $request->getSession()->set('order_session_uuid', $session->getUuid());

        return new JsonResponse([
            'flowUrl' => $this->generateUrl('reservation_flow', ['sessionId' => $session->getUuid()])
        ]);
    }

    #[Route('/flow/{sessionId}', name: 'reservation_flow', methods: ['GET', 'POST'])]
    public function flowLogin(
        string $sessionId,
        AuthenticationUtils $authenticationUtils,
        OrderSessionRepository $repository,
        ProductRepository $productRepository,
        UploaderHelper $uploaderHelper
    ): Response {
        // This is the POST target for the login form, but also the GET page.
        // The authenticator handles the POST. For GET, we just render the page.
        $session = $repository->findOneBy(['uuid' => $sessionId]);
        if (!$session) {
            return $this->render('revervation/session_lost.twig');
        }

        $sessionData = $session->getProducts();
        $ids = $sessionData['ids'] ?? [];
        $startStr = $sessionData['start'] ?? null;
        $endStr = $sessionData['end'] ?? null;

        // Calcul de la durée
        $duration = 1;
        if ($startStr && $endStr) {
            try {
                $start = new \DateTimeImmutable($startStr);
                $end = new \DateTimeImmutable($endStr);
                if ($end >= $start) {
                    $duration = $start->diff($end)->days + 1;
                }
            } catch (\Exception $e) {
                $duration = 1;
            }
        }

        $products = [];
        if (!empty($ids)) {
            $products = $productRepository->findBy(['id' => $ids]);
        }

        $items = [];
        $totalHT = 0;
        $tvaEnabled = isset($_ENV['TVA_ENABLED']) && $_ENV['TVA_ENABLED'] === "true";
        $tvaRate = $tvaEnabled ? 0.20 : 0;

        foreach ($products as $product) {
            $price1Day = $product->getPriceDay();
            $priceSup = $product->getPriceSup() ?? 0.0;

            // Calcul du coût total pour ce produit selon la durée
            $productTotalHT = $price1Day + ($priceSup * max(0, $duration - 1));
            $productTotalTTC = $productTotalHT * (1 + $tvaRate);

            $items[] = [
                'product' => $product,
                'image' => $uploaderHelper->asset($product, 'imageFile'),
                'price1Day' => $price1Day,
                'priceSup' => $priceSup,
                'totalPriceHT' => $productTotalHT,
                'totalPriceTTC' => $productTotalTTC,
            ];

            $totalHT += $productTotalHT;
        }

        $totalTva = $totalHT * $tvaRate;
        $totalTTC = $totalHT + $totalTva;

        return $this->render('revervation/flow.twig', [
            'session' => $session,
            'last_username' => $authenticationUtils->getLastUsername(),
            'error' => $authenticationUtils->getLastAuthenticationError(),
            'cart' => [
                'items' => $items,
                'startDate' => $startStr ? new \DateTimeImmutable($startStr) : null,
                'endDate' => $endStr ? new \DateTimeImmutable($endStr) : null,
                'duration' => $duration,
                'totalHT' => $totalHT,
                'totalTva' => $totalTva,
                'totalTTC' => $totalTTC,
                'tvaEnabled' => $tvaEnabled,
            ]
        ]);
    }

    #[Route('/flow/{sessionId}/update', name: 'reservation_flow_update', methods: ['POST'])]
    public function flowUpdate(
        string $sessionId,
        Request $request,
        OrderSessionRepository $repository,
        EntityManagerInterface $em
    ): Response {
        $session = $repository->findOneBy(['uuid' => $sessionId]);
        if (!$session) {
            return $this->redirectToRoute('reservation');
        }

        $session->setBillingAddress($request->request->get('billingAddress'));
        $session->setBillingZipCode($request->request->get('billingZipCode'));
        $session->setBillingTown($request->request->get('billingTown'));

        $session->setAdressEvent($request->request->get('adressEvent'));
        $session->setAdress2Event($request->request->get('adress2Event'));
        $session->setZipCodeEvent($request->request->get('zipCodeEvent'));
        $session->setTownEvent($request->request->get('townEvent'));

        $session->setType($request->request->get('type'));
        $session->setDetails($request->request->get('details'));
        $session->setTypeSol($request->request->get('typeSol'));
        $session->setPente($request->request->get('pente'));
        $session->setAccess($request->request->get('access'));
        $distance = $request->request->get('distancePower');
        if ($distance !== null && $distance !== '') {
            $session->setDistancePower((float)$distance);
        }

        $em->flush();

        return $this->redirectToRoute('reservation_flow', ['sessionId' => $sessionId]);
    }

    #[Route('/umami', name: 'reservation_umami', methods: ['POST'])]
    public function umami(
        Request $request,
        CustomerTrackingRepository $customerTrackingRepository,
        EntityManagerInterface $em
    ): Response {
        /** @var Customer $user */
        $user = $this->getUser();
        if (!$user) {
            return new JsonResponse(['error' => 'User not found'], Response::HTTP_UNAUTHORIZED);
        }

        $data = json_decode($request->getContent(), true);
        $umamiSessionId = $data['umami_session'] ?? null;

        if (!$umamiSessionId) {
            return new JsonResponse(['error' => 'No session provided'], Response::HTTP_BAD_REQUEST);
        }

        $track = $customerTrackingRepository->findOneBy(['trackId' => $umamiSessionId]);

        if (!$track) {
            $track = new CustomerTracking();
            $track->setTrackId($umamiSessionId);
            $track->setCreateAT(new \DateTime());
            $track->setCustomer($user);

            $em->persist($track);
        } else {
            if ($track->getCustomer() !== $user) {
                $track->setCustomer($user);
            }
        }

        $em->flush();

        return new JsonResponse(['status' => 'success']);
    }

    #[Route('/catalogue', name: 'reservation_catalogue')]
    public function revervationCatalogue(ProductRepository $productRepository): Response
    {
        return $this->render('revervation/catalogue.twig', [
            'products' => $productRepository->findAll(),
            'tvaEnabled' => isset($_ENV['TVA_ENABLED']) && $_ENV['TVA_ENABLED'] === "true",
        ]);
    }

    #[Route('/formules', name: 'reservation_formules')]
    public function revervationFormules(FormulesRepository $formulesRepository): Response
    {
        return $this->render('revervation/formules.twig', [
            'formules' => $formulesRepository->findBy(['isPublish' => true], ['pos' => 'ASC']),
            'tvaEnabled' => isset($_ENV['TVA_ENABLED']) && $_ENV['TVA_ENABLED'] === "true",
        ]);
    }

    #[Route('/formules/{slug}', name: 'reservation_formule_show')]
    public function revervationView(string $slug, FormulesRepository $formulesRepository): Response
    {
        $parts = explode('-', $slug);
        $realId = $parts[0];

        $formule = $formulesRepository->find($realId);

        if (!$formule) {
            throw $this->createNotFoundException('Formules introuvable');
        }

        return $this->render('revervation/formule/show.twig', [
            'formule' => $formule,
            'tvaEnabled' => isset($_ENV['TVA_ENABLED']) && $_ENV['TVA_ENABLED'] === "true",
        ]);
    }

    #[Route('/comment-reserver', name: 'reservation_workflow')]
    public function revervationWorkfkow(): Response
    {
        return $this->render('revervation/workflow.twig');
    }

    #[Route('/options/{id}', name: 'reservation_options_show')]
    public function revervationShowOpitons(string $id, ProductRepository $productRepository): Response
    {
        // TODO: Implement logic
        return new Response('Not implemented');
    }

    #[Route('/produit/{id}', name: 'reservation_product_show')]
    public function revervationShowProduct(string $id, ProductRepository $productRepository): Response
    {
        $parts = explode('-', $id);
        $realId = $parts[0];

        $product = $productRepository->find($realId);

        if (!$product) {
            throw $this->createNotFoundException('Produit introuvable');
        }

        $allInCat = $productRepository->findBy(['category' => $product->getCategory()], [], 5);

        $otherProducts = array_filter($allInCat, function ($p) use ($product) {
            return $p->getId() !== $product->getId();
        });

        return $this->render('revervation/produit.twig', [
            'product' => $product,
            'tvaEnabled' => isset($_ENV['TVA_ENABLED']) && $_ENV['TVA_ENABLED'] === "true",
            'otherProducts' => array_slice($otherProducts, 0, 4)
        ]);
    }

    #[Route('/connexion', name: 'reservation_login')]
    public function revervationLogin(AuthenticationUtils $authenticationUtils): Response
    {
        return $this->render('revervation/login.twig', [
            'last_username' => $authenticationUtils->getLastUsername(),
            'error' => $authenticationUtils->getLastAuthenticationError()
        ]);
    }

    #[Route('/logout', name: 'reservation_logout')]
    public function revervationLogout(): Response
    {
        return $this->redirectToRoute('reservation');
    }

    #[Route('/creation-compte', name: 'reservation_register')]
    public function revervationRegister(
        Request $request,
        Mailer $mailer,
        EntityManagerInterface $em,
        UserPasswordHasherInterface $hasher
    ): Response {
        if ($request->isMethod('POST')) {
            $payload = $request->getPayload();

            $customer = new Customer();
            $customer->setEmail($payload->getString('email'));
            $customer->setName($payload->getString('name'));
            $customer->setSurname($payload->getString('surname'));
            $customer->setPhone($payload->getString('phone'));
            $customer->setCiv($payload->getString('civ'));
            $customer->setType($payload->getString('type'));

            if ($customer->getType() === 'buisness') {
                $customer->setSiret($payload->getString('siret'));
            }

            $hashedPassword = $hasher->hashPassword($customer, $payload->getString('password'));
            $customer->setPassword($hashedPassword);
            $customer->setRoles(['ROLE_USER']);

            $mailer->send(
                $customer->getEmail(),
                $customer->getName() . " " . $customer->getSurname(),
                "[Ludikevent] - Code de récupération",
                "mails/welcome.twig",
                ['account' => $customer]
            );

            $em->persist($customer);
            $em->flush();

            $this->addFlash('success', 'Votre compte a été créé avec succès ! Connectez-vous.');
            return $this->redirectToRoute('reservation_login');
        }

        return $this->render('revervation/register.twig');
    }

    #[Route('/mot-de-passe', name: 'reservation_password')]
    public function forgotPassword(
        Request $request,
        CustomerRepository $repository,
        EntityManagerInterface $em,
        Mailer $mailer,
        UserPasswordHasherInterface $hasher
    ): Response {
        $session = $request->getSession();
        $step = $request->query->get('step', 'request');

        if ($request->isMethod('POST')) {
            $payload = $request->getPayload();

            // ÉTAPE 1 : Générer le code et l'envoyer
            if ($payload->has('email_request')) {
                $email = $payload->getString('email_request');
                $customer = $repository->findOneBy(['email' => $email]);

                if ($customer) {
                    $code = str_pad((string)random_int(0, 999999), 6, '0', STR_PAD_LEFT);

                    $session->set('reset_password', [
                        'email' => $email,
                        'code' => $code,
                        'expires' => time() + 900 // Valable 15 minutes
                    ]);

                    $mailer->send(
                        $customer->getEmail(),
                        $customer->getName() . " " . $customer->getSurname(),
                        "[Ludikevent] - Code de récupération",
                        "mails/code_password.twig",
                        ['code' => $code]
                    );

                    return $this->redirectToRoute('reservation_password', ['step' => 'verify']);
                }
                $this->addFlash('danger', 'Email inconnu.');
            }

            // ÉTAPE 2 : Vérifier le code en session
            if ($payload->has('code_verify')) {
                $data = $session->get('reset_password');
                $inputCode = $payload->getString('code_verify');

                if ($data && $data['code'] === $inputCode && time() < $data['expires']) {
                    return $this->redirectToRoute('reservation_password', ['step' => 'reset']);
                }
                $this->addFlash('danger', 'Code invalide ou expiré.');
            }

            // ÉTAPE 3 : Changer le mot de passe
            if ($payload->has('new_password')) {
                $data = $session->get('reset_password');

                if ($data) {
                    $customer = $repository->findOneBy(['email' => $data['email']]);
                    if ($customer) {
                        $newEncoded = $hasher->hashPassword($customer, $payload->getString('new_password'));
                        $customer->setPassword($newEncoded);
                        $em->flush();

                        $session->remove('reset_password');
                        $this->addFlash('success', 'Mot de passe mis à jour !');
                        return $this->redirectToRoute('reservation_login');
                    }
                }
            }
        }

        return $this->render('reservation/password.twig', [
            'step' => $step,
            'email' => $session->get('reset_password')['email'] ?? null
        ]);
    }

    #[Route('/contact', name: 'reservation_contact')]
    public function revervationContact(Request $request, Mailer $mailer): Response
    {
        $form = $this->createFormBuilder()
            ->add('name', TextType::class, ['label' => 'Nom', 'required' => true])
            ->add('surname', TextType::class, ['label' => 'Prenom', 'required' => true])
            ->add('email', EmailType::class, ['label' => 'Email', 'required' => true])
            ->add('phone', TextType::class, ['label' => 'Telephone', 'required' => true])
            ->add('message', TextareaType::class, ['label' => 'Message', 'required' => true]);

        $formObject = $form->getForm();
        $formObject->handleRequest($request);

        if ($formObject->isSubmitted() && $formObject->isValid()) {
            $data = $formObject->getData();

            $mailer->send(
                'lilian@ludikevent.fr',
                "Ludikevent",
                "[Ludikevent] - Demande de contact via la plateforme de reservation",
                "mails/reserve/contact.twig",
                $data
            );

            $this->addFlash('success', 'Votre message a bien été envoyé ! Notre équipe vous répondra dans les plus brefs délais.');

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

        return $this->render('revervation/contact.twig', [
            'form' => $formObject->createView()
        ]);
    }

    #[Route('/recherche', name: 'reservation_search')]
    public function recherche(UploaderHelper $uploaderHelper, Client $client, Request $request, ProductRepository $productRepository): Response
    {
        $results = $client->search('product', $request->query->get('q', ''));
        $items = [];

        foreach ($results['hits'] as $result) {
            $p = $productRepository->find($result['id']);
            if ($p instanceof Product) {
                $items[] = [
                    'image' => $uploaderHelper->asset($p, 'imageFile') ?: "/provider/images/favicon.png",
                    "name" => $p->getName(),
                    "price" => $p->getPriceDay(),
                    "price1day" => $p->getPriceDay(),
                    "caution" => $p->getCaution(),
                    "priceSup" => $p->getPriceSup(),
                    'link' => $this->generateUrl('reservation_product_show', ['id' => $p->slug()]),
                ];
            }
        }

        return $this->render('revervation/search.twig', [
            'products' => $items
        ]);
    }

    #[Route('/mentions-legales', name: 'reservation_mentions-legal')]
    public function revervationLegal(): Response
    {
        return $this->render('revervation/legal.twig');
    }

    #[Route('/rgpd', name: 'reservation_rgpd')]
    public function revervationRgpd(): Response
    {
        return $this->render('revervation/rgpd.twig');
    }

    #[Route('/cookies', name: 'reservation_cookies')]
    public function revervationCookies(): Response
    {
        return $this->render('revervation/cookies.twig');
    }

    #[Route('/cgv', name: 'reservation_cgv')]
    public function revervationCgv(): Response
    {
        return $this->render('revervation/cgv.twig');
    }

    #[Route('/hosting', name: 'reservation_hosting')]
    public function revervationHosting(): Response
    {
        return $this->render('revervation/hosting.twig');
    }
}