<?php
/**
 * Created by PhpStorm.
 * User: eduarddezacastellano
 * Date: 12/09/2018
 * Time: 16:36
 */

namespace DigitalAscetic\GoogleApiClientBundle\Service;


use DigitalAscetic\GoogleApiClientBundle\Entity\GoogleApiNotificationsChannel;
use DigitalAscetic\GoogleApiClientBundle\Entity\IGoogleApiUser;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Routing\RouterInterface;

class GoogleNotificationsService
{
    const SERVICE_NAME = 'ascetic_google_api_client.notifications';

    /** @var ContainerInterface $container */
    private $container;

    /** @var EntityManagerInterface $em */
    private $em;

    /** @var RouterInterface $router */
    private $router;

    /** @var string */
    private $requestProtocol;

    /**
     * GoogleNotificationsService constructor.
     * @param ContainerInterface $container
     * @param EntityManagerInterface $em
     * @param RouterInterface $router
     * @param string $requestProtocol
     */
    public function __construct(ContainerInterface $container, EntityManagerInterface $em, RouterInterface $router, $requestProtocol)
    {
        $this->container = $container;
        $this->em = $em;
        $this->router = $router;
        $this->requestProtocol = $requestProtocol;
    }

    /**
     * @param string|null $host
     * @return string|null
     */
    public function getDeliveryAddress(string $host = null): ?string
    {
        if (!empty($host)) {
            $path = $this->router->generate('da.google_api.calendar.notifications');
            $deliveryAddress = $this->requestProtocol . '://' . $host . $path;
        } else {
            $path = $this->router->generate('da.google_api.calendar.notifications', array(), UrlGeneratorInterface::NETWORK_PATH);
            $deliveryAddress = $this->requestProtocol . ':' . $path;
        }

        return $deliveryAddress;
    }

    /**
     * @param IGoogleApiUser $user
     * @return GoogleApiNotificationsChannel[]
     */
    public function getChannelsByUser(IGoogleApiUser $user)
    {
        /** @var GoogleApiNotificationsChannel[] $channels */
        $channels = $this->em->getRepository(GoogleApiNotificationsChannel::class)->findBy(array('user' => $user));
        return $channels;
    }

    /**
     * @param IGoogleApiUser $user
     * @return GoogleApiNotificationsChannel
     */
    public function getLastChannelByUser(IGoogleApiUser $user)
    {
        /** @var GoogleApiNotificationsChannel $channel */
        $channel = $this->em->getRepository(GoogleApiNotificationsChannel::class)->findOneBy(array('user' => $user), array('id' => 'DESC'));
        return $channel;
    }

    /**
     * @param string $channelId
     * @return GoogleApiNotificationsChannel
     */
    public function getChannelByChannelId(string $channelId)
    {
        /** @var GoogleApiNotificationsChannel $channel */
        $channel = $this->em->getRepository(GoogleApiNotificationsChannel::class)->findOneBy(array('channelId' => $channelId));
        return $channel;
    }
}