<?php

declare(strict_types=1);

namespace App\Service;

use App\Entity\ClientTicket;
use App\Entity\Notification;
use App\Repository\UserRepository;
use DateTimeImmutable;
use Doctrine\ORM\EntityManagerInterface;

final readonly class NotificationService
{
    public function __construct(
        private EntityManagerInterface $entityManager,
        private UserRepository $userRepository,
    ) {}

    /**
     * Notify all ROLE_ADMIN users that a new ticket was created.
     */
    public function createForTicketCreated(ClientTicket $ticket): void
    {
        $admins      = $this->userRepository->findByRole('ROLE_ADMIN');
        $number      = sprintf('CT-%03d', $ticket->getNumber());
        $projectName = $ticket->getProject()?->getName() ?? '';

        foreach ($admins as $admin) {
            $notification = new Notification();
            $notification->setUser($admin);
            $notification->setType('ticket_created');
            $notification->setTitle('Nouveau ticket client '.$number);
            $notification->setMessage($ticket->getTitle().' — '.$projectName);
            $notification->setRelatedTicket($ticket);
            $notification->setCreatedAt(new DateTimeImmutable());

            $this->entityManager->persist($notification);
        }

        $this->entityManager->flush();
    }

    /**
     * Notify the ticket submitter that the status has changed.
     */
    public function createForStatusChange(ClientTicket $ticket): void
    {
        $submittedBy = $ticket->getSubmittedBy();

        if (null === $submittedBy) {
            return;
        }

        $number        = sprintf('CT-%03d', $ticket->getNumber());
        $statusComment = $ticket->getStatusComment();
        $message       = 'Nouveau statut : '.$ticket->getStatus();

        if (null !== $statusComment && '' !== $statusComment) {
            $message .= ' — '.$statusComment;
        }

        $notification = new Notification();
        $notification->setUser($submittedBy);
        $notification->setType('ticket_status_changed');
        $notification->setTitle('Ticket '.$number.' mis à jour');
        $notification->setMessage($message);
        $notification->setRelatedTicket($ticket);
        $notification->setCreatedAt(new DateTimeImmutable());

        $this->entityManager->persist($notification);
        $this->entityManager->flush();
    }
}