<?php

namespace App\Service;

use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Security\Core\User\UserInterface;
use App\Entity\Cgu;
use App\Entity\CguUser;

class CguUserService 
{
    public function __construct(private EntityManagerInterface $entityManager)
    {
    }

    public function isLatestCguAccepted(UserInterface $user): bool
    {
        $latestCgu = $this->entityManager->getRepository(Cgu::class)->findLatestCgu();
        if (!$latestCgu) {
            // If no CGU exists, set to false
            return false;
        }
        
        $cguUser = $this->entityManager->getRepository(CguUser::class)->findOneBy(['users' => $user, 'cgu' => $latestCgu]);
        if (!$cguUser) {
            // If the relation doesn't exist, the user hasn't seen or accepted the latest CGU
            return false;
        }
        
        return $cguUser->isAccepted();
    }

    public function acceptLatestCgu(UserInterface $user): void
    {
        $latestCgu = $this->entityManager->getRepository(Cgu::class)->findLatestCgu();
        if (!$latestCgu) {
            // No CGU to accept
            return;
        }
        
        $cguUser = $this->entityManager->getRepository(CguUser::class)->findOneBy(['users' => $user, 'cgu' => $latestCgu]);
        if (!$cguUser) {
            // Create a new CguUser relation if it doesn't exist
            $cguUser = new CguUser();
            $cguUser->setUsers($user);
            $cguUser->setCgu($latestCgu);
            $this->entityManager->persist($cguUser);
        }
        
        $cguUser->setIsAccepted(true);
        $this->entityManager->flush();
    }
    
    //Function can only be called if the user has already accepted the CGU
    public function declineCgu(UserInterface $user, Cgu $cgu): void
    {
        $cguUser = $this->entityManager->getRepository(CguUser::class)->findOneBy(['users' => $user, 'cgu' => $cgu]);
        
        $cguUser->setIsAccepted(false);
        $this->entityManager->flush();
    }
}