<?php

declare(strict_types=1);

namespace Chill\MainBundle\Controller;

use Chill\MainBundle\CRUD\Controller\AbstractCRUDController;
use Chill\MainBundle\CRUD\Controller\CRUDController;
use Chill\MainBundle\Pagination\PaginatorInterface;
use Doctrine\ORM\EntityManagerInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\Form\Form;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Chill\MainBundle\Entity\User;
use Chill\MainBundle\Form\UserType;
use Chill\MainBundle\Entity\GroupCenter;
use Chill\MainBundle\Form\Type\ComposedGroupCenterType;
use Chill\MainBundle\Form\UserCurrentLocationType;
use Chill\MainBundle\Form\UserPasswordType;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
use Symfony\Component\Validator\Validator\ValidatorInterface;
use Symfony\Component\Routing\Annotation\Route;
use Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter;


class UserController extends CRUDController
{
    const FORM_GROUP_CENTER_COMPOSED = 'composed_groupcenter';

    private LoggerInterface $logger;

    private ValidatorInterface $validator;

    private UserPasswordEncoderInterface $passwordEncoder;

    public function __construct(
        LoggerInterface $chillLogger,
        ValidatorInterface $validator,
        UserPasswordEncoderInterface $passwordEncoder
    ) {
        $this->logger = $chillLogger;
        $this->validator = $validator;
        $this->passwordEncoder = $passwordEncoder;
    }

    protected function createFormFor(string $action, $entity, string $formClass = null, array $formOptions = []): FormInterface
    {
        // for "new", add special config
        if ('new' === $action) {
            return $this->createForm(UserType::class, $entity, array(
                'is_creation' => true
            ));
        }

        // default behaviour
        return parent::createFormFor($action, $entity, $formClass, $formOptions);
    }

    protected function onPrePersist(string $action, $entity, FormInterface $form, Request $request)
    {
        // for "new", encode the password
        if ('new' === $action) {
            $entity->setPassword($this->passwordEncoder
                ->encodePassword($entity, $form['plainPassword']->getData()));
        }

        // default behaviour
        parent::onPrePersist($action, $entity, $form, $request);
    }

    protected function orderQuery(string $action, $query, Request $request, PaginatorInterface $paginator)
    {
        $query->addOrderBy('e.usernameCanonical', 'ASC');

        return parent::orderQuery($action, $query, $request, $paginator);
    }

    protected function generateTemplateParameter(string $action, $entity, Request $request, array $defaultTemplateParameters = [])
    {
        // add mini-forms for edit action
        if ("edit" === $action) {
            return array_merge(
                $defaultTemplateParameters,
                [
                    'add_groupcenter_form' => $this->createAddLinkGroupCenterForm($entity, $request)->createView(),
                    'delete_groupcenter_form' => array_map(
                        function (\Symfony\Component\Form\Form $form) {
                            return $form->createView();
                        },
                        iterator_to_array($this->getDeleteLinkGroupCenterByUser($entity, $request), true)
                    )
                ]
            );
        }

        // default behaviour
        return parent::generateTemplateParameter($action, $entity, $request, $defaultTemplateParameters);
    }

    /**
     * Displays a form to edit the user password.
     *
     * @Route("/{_locale}/admin/user/{id}/edit_password", name="admin_user_edit_password")
     */
    public function editPasswordAction(User $user, Request $request)
    {
        $editForm = $this->createEditPasswordForm($user);
        $editForm->handleRequest($request);

        if ($editForm->isSubmitted() && $editForm->isValid()) {
            $password = $editForm->get('new_password')->getData();

            // logging for prod
            $this->logger->info('update password for an user', [
                'by' => $this->getUser()->getUsername(),
                'user' => $user->getUsername()
            ]);

            $user->setPassword($this->passwordEncoder->encodePassword($user, $password));

            $this->getDoctrine()->getManager()->flush();
            $this->addFlash('success', $this->get('translator')->trans('Password successfully updated!'));

            return $this->redirect(
                $request->query->has('returnPath') ? $request->query->get('returnPath') :
                    $this->generateUrl('chill_crud_admin_user_edit', ['id' => $user->getId()])
            );
        }

        return $this->render('@ChillMain/User/edit_password.html.twig', [
            'entity'      => $user,
            'edit_form'   => $editForm->createView()
        ]);
    }

    private function createEditPasswordForm(User $user): FormInterface
    {
        return $this->createForm(
            UserPasswordType::class,
            null,
                [
                    'user' => $user
                ]
            )
            ->add('submit', SubmitType::class, array('label' => 'Change password'))
            ->remove('actual_password');
    }

    /**
     * @Route("/{_locale}/admin/main/user/{uid}/delete_link_groupcenter/{gcid}",
     *     name="admin_user_delete_groupcenter")
     */
    public function deleteLinkGroupCenterAction($uid, $gcid, Request $request): RedirectResponse
    {
        $em = $this->getDoctrine()->getManager();

        $user = $em->getRepository('ChillMainBundle:User')->find($uid);

        if (!$user) {
            throw $this->createNotFoundException('Unable to find User entity.');
        }

        $groupCenter = $em->getRepository('ChillMainBundle:GroupCenter')
            ->find($gcid);

        if (!$groupCenter) {
            throw $this->createNotFoundException('Unable to find groupCenter entity');
        }

        try {
            $user->removeGroupCenter($groupCenter);
        } catch (\RuntimeException $ex) {
            $this->addFlash('error', $this->get('translator')->trans($ex->getMessage()));

            return $this->redirect($this->generateUrl('chill_crud_admin_user_edit', array('id' => $uid)));
        }

        $em->flush();

        $this->addFlash('success', $this->get('translator')
            ->trans('The permissions where removed.'));

        return $this->redirect($this->generateUrl('chill_crud_admin_user_edit', array('id' => $uid)));
    }

    /**
     * @Route("/{_locale}/admin/main/user/{uid}/add_link_groupcenter",
     *     name="admin_user_add_groupcenter")
     */
    public function addLinkGroupCenterAction(Request $request, $uid): Response
    {
        $em = $this->getDoctrine()->getManager();

        $user = $em->getRepository('ChillMainBundle:User')->find($uid);

        if (!$user) {
            throw $this->createNotFoundException('Unable to find User entity.');
        }

        $form = $this->createAddLinkGroupCenterForm($user, $request);
        $form->handleRequest($request);

        if ($form->isValid()) {
            $groupCenter = $this->getPersistedGroupCenter(
                $form[self::FORM_GROUP_CENTER_COMPOSED]->getData()
            );
            $user->addGroupCenter($groupCenter);

            if ($this->validator->validate($user)->count() === 0) {
                $em->flush();

                $this->addFlash('success', $this->get('translator')->trans('The '
                    . 'permissions have been successfully added to the user'));

                $returnPathParams = $request->query->has('returnPath') ?
                    ['returnPath' => $request->query->get('returnPath')] : [];

                return $this->redirect($this->generateUrl(
                    'chill_crud_admin_user_edit',
                    \array_merge(['id' => $uid], $returnPathParams)
                ));
            }

            foreach ($this->validator->validate($user) as $error) {
                $this->addFlash('error', $error->getMessage());
            }
        }

        return $this->render('@ChillMain/User/edit.html.twig', [
            'entity'      => $user,
            'edit_form'   => $this->createEditForm($user)->createView(),
            'add_groupcenter_form' => $this->createAddLinkGroupCenterForm($user, $request)->createView(),
            'delete_groupcenter_form' => array_map(
                static fn (Form $form) => $form->createView(),
                iterator_to_array($this->getDeleteLinkGroupCenterByUser($user, $request), true)
            )
        ]);
    }

    private function getPersistedGroupCenter(GroupCenter $groupCenter)
    {
        $em = $this->getDoctrine()->getManager();

        $groupCenterManaged = $em->getRepository('ChillMainBundle:GroupCenter')
            ->findOneBy(array(
                'center' => $groupCenter->getCenter(),
                'permissionsGroup' => $groupCenter->getPermissionsGroup()
            ));

        if (!$groupCenterManaged) {
            $em->persist($groupCenter);
            return $groupCenter;
        }

        return $groupCenterManaged;
    }

    /**
     * Creates a form to delete a link to a GroupCenter
     *
     * @param mixed $permissionsGroup The entity id
     */
    private function createDeleteLinkGroupCenterForm(User $user, GroupCenter $groupCenter, $request): FormInterface
    {
        $returnPathParams = $request->query->has('returnPath') ? ['returnPath' => $request->query->get('returnPath')] : [];

        return $this->createFormBuilder()
            ->setAction($this->generateUrl(
                'admin_user_delete_groupcenter',
                array_merge($returnPathParams, ['uid' => $user->getId(), 'gcid' => $groupCenter->getId()])
            ))
            ->setMethod('DELETE')
            ->add('submit', SubmitType::class, array('label' => 'Delete'))
            ->getForm();
    }

    /**
     * Create a form to add a link to a groupcenter.
     */
    private function createAddLinkGroupCenterForm(User $user, Request $request): FormInterface
    {
        $returnPathParams = $request->query->has('returnPath') ? ['returnPath' => $request->query->get('returnPath')] : [];

        return $this->createFormBuilder()
            ->setAction($this->generateUrl(
                'admin_user_add_groupcenter',
                array_merge($returnPathParams, ['uid' => $user->getId()])
            ))
            ->setMethod('POST')
            ->add(self::FORM_GROUP_CENTER_COMPOSED, ComposedGroupCenterType::class)
            ->add('submit', SubmitType::class, array('label' => 'Add a new groupCenter'))
            ->getForm();
    }

    private function getDeleteLinkGroupCenterByUser(User $user, Request $request)
    {
        foreach ($user->getGroupCenters() as $groupCenter) {
            yield $groupCenter->getId() => $this->createDeleteLinkGroupCenterForm($user, $groupCenter, $request);
        }
    }

    /**
     * Displays a form to edit the user current location.
     *
     * @Route("/{_locale}/main/user/current-location/edit", name="chill_main_user_currentlocation_edit")
     */
    public function editCurrentLocationAction(Request $request)
    {
        $user = $this->getUser();
        $form = $this->createForm(UserCurrentLocationType::class, $user)
           ->add('submit', SubmitType::class, ['label' => 'Save'])
           ->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $currentLocation = $form->get('currentLocation')->getData();

            $user->setCurrentLocation($currentLocation);

            $this->getDoctrine()->getManager()->flush();
            $this->addFlash('success', $this->get('translator')->trans('Current location successfully updated'));

            return $this->redirect(
                $request->query->has('returnPath') ? $request->query->get('returnPath') :
                    $this->generateUrl('chill_main_homepage')
            );
        }

        return $this->render('@ChillMain/User/edit_current_location.html.twig', [
            'entity'      => $user,
            'edit_form'   => $form->createView()
        ]);
    }
}