<?php

namespace MailPoet\Entities;

use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
use MailPoet\Doctrine\EntityTraits\UpdatedAtTrait;
use MailPoetVendor\Doctrine\Common\Collections\ArrayCollection;
use MailPoetVendor\Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity()
 * @ORM\Table(name="newsletter_links")
 */
class NewsletterLinkEntity {
  use AutoincrementedIdTrait;
  use CreatedAtTrait;
  use UpdatedAtTrait;
  use SafeToOneAssociationLoadTrait;

  /**
   * @ORM\ManyToOne(targetEntity="MailPoet\Entities\NewsletterEntity")
   * @ORM\JoinColumn(name="newsletter_id", referencedColumnName="id")
   * @var NewsletterEntity|null
   */
  private $newsletter;

  /**
   * @ORM\ManyToOne(targetEntity="MailPoet\Entities\SendingQueueEntity")
   * @ORM\JoinColumn(name="queue_id", referencedColumnName="id")
   * @var SendingQueueEntity|null
   */
  private $queue;

  /**
   * @ORM\Column(type="string")
   * @var string
   */
  private $url;

  /**
   * @ORM\Column(type="string")
   * @var string
   */
  private $hash;

  /**
   * Extra lazy is here for `getTotalClicksCount`.
   * If we didn't specify extra lazy the function would load all clicks and count them. This way it uses a single count query.
   * @ORM\OneToMany(targetEntity="MailPoet\Entities\StatisticsClickEntity", mappedBy="link", fetch="EXTRA_LAZY")
   *
   * @var StatisticsClickEntity[]|ArrayCollection
   */
  private $clicks;

  public function __construct(NewsletterEntity $newsletter, SendingQueueEntity $queue, string $url, string $hash) {
    $this->newsletter = $newsletter;
    $this->queue = $queue;
    $this->url = $url;
    $this->hash = $hash;
  }

  /**
   * @return NewsletterEntity|null
   */
  public function getNewsletter() {
    $this->safelyLoadToOneAssociation('newsletter');
    return $this->newsletter;
  }

  /**
   * @return SendingQueueEntity|null
   */
  public function getQueue() {
    $this->safelyLoadToOneAssociation('queue');
    return $this->queue;
  }

  public function getUrl(): string {
    return $this->url;
  }

  public function getHash(): string {
    return $this->hash;
  }

  /**
   * @return int
   */
  public function getTotalClicksCount() {
    return $this->clicks->count();
  }
}