<?php

namespace App\Controller;

use App\Entity\PrivateDiscussion;
use App\Entity\PrivateMessage;
use App\Entity\User;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

class PrivateDiscussionsController extends AbstractController
{
    #[Route('/private/discussions', name: 'private_discussions')]
    public function index(Request $request): Response
    {
        $session = $this->get('session');

        if (null === $session->get('user')) {
            return  $this->redirectToRoute('home');
        }
        $formBuilder = $this->createFormBuilder();
        $formBuilder->add('text', \Symfony\Component\Form\Extension\Core\Type\TextType::class)
            ->add('username', \Symfony\Component\Form\Extension\Core\Type\TextType::class)
            ->setAction($this->generateUrl('private_discussions'));
        $form = $formBuilder->getForm();

        $em = $this->getDoctrine()->getManager();
        $repo_user = $em->getRepository(User::class);
        $user = $repo_user->findOneBy(array('username' => $session->get("user")));
        $private_discussions = array();
        foreach ($user->getPrivateDiscussions() as $pd) {
            $participants = $pd->getParticipants();
            if ($participants[0] == $user) {
                $participant = $participants[1];
            } else {
                $participant = $participants[0];
            }
            array_push($private_discussions, array($pd->getId() => $participant->getUsername()));
        }

        if ($request->getMethod() == 'POST') {
            $form->handleRequest($request);
            if ($form->isValid()) {
                $recept = $repo_user->findOneBy(array('username' => $form->get('username')->getData()));
                if (!$recept) {
                    return new Response("Profil non existant");
                }
                $disc_found = false;
                foreach ($user->getPrivateDiscussions() as $disc) {
                    if(in_array($recept, $disc->getParticipants()->getValues())) {
                        $disc_found = true;
                        break;
                    }
                }
                if ($disc_found) {
                    return new Response("Discussion existante");
                }
                $discussion = new PrivateDiscussion();
                $discussion->addParticipant($user);
                $discussion->addParticipant($recept);
                $dm = new PrivateMessage();
                $dm->setSender($user);
                $dm->setText($form->get('text')->getData());
                $discussion->addPrivateMessage($dm);
                $em->persist($dm);
                $em->persist($discussion);
                $em->flush();
            }
        }

        return $this->render('private_discussions/index.html.twig', [
            'controller_name' => 'PrivateDiscussionsController',
            'form' => $form->createView(),
            'private_discussions' => $private_discussions,
            'username' => $session->get('user'),
        ]);
    }
}