<?php

declare(strict_types=1);

namespace Application\Models;

use Exception;
use JMS\Serializer\Annotation\SerializedName;
use JMS\Serializer\Annotation\Type;

class Article
{
  use Meta;

  #[SerializedName('authors')]
  #[Type('array<' . Author::class . '>')]
  protected ?array $authors = null;

  #[SerializedName('headline')]
  #[Type('string')]
  protected ?string $headline = null;

  #[SerializedName('excerpt')]
  #[Type('string')]
  protected ?string $excerpt = null;

  #[SerializedName('image')]
  #[Type(Image::class)]
  protected ?Image $image = null;

  #[SerializedName('text')]
  #[Type('string')]
  protected ?string $text = null;

  /**
   * Return the title / headline.
   *
   * @return string|null
   */
  public function getTitle(): string|null
  {
    return $this->headline;
  }

  /**
   * Return the text / article body text.
   *
   * @return string|null
   */
  public function getText(): string|null
  {
    return $this->text;
  }

  /**
   * Get the excerpt / teaser text.
   *
   * @return string|null
   */
  public function getExcerpt(): string|null
  {
    return $this->excerpt;
  }

  public function getImage(): Image|null
  {
    return $this->image;
  }

  public function getTeaserData(): array
  {
    return [
      'headline'    => $this->getHeadline(),
      'kicker'      => $this->getKicker(),
      'excerpt'     => $this->getExcerpt(),
      'teaserImage' => $this->getTeaserImage(),
      'url'         => $this->getUrl(),
    ];
  }

  private function getIdentifier(): string
  {
    return $this->metaId;
  }

  private function getHeadline(): ?string
  {
    return $this->headline;
  }

  private function getKicker(): ?string
  {
    return $this->excerpt;
  }

  /**
   * @throws Exception
   */
  private function getTeaserImage(): array
  {
    return $this->image->getTeaserData();
  }

  public function getUrl(): string
  {
    return '/article/test_article-' . $this->getIdentifier();
  }
}