<?php

namespace Drupal\views\Plugin\views\row;

use Drupal\Core\Entity\EntityDisplayRepositoryInterface;
use Drupal\Core\Entity\EntityRepositoryInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\views\Entity\Render\EntityTranslationRenderTrait;
use Drupal\views\Plugin\views\display\DisplayPluginBase;
use Drupal\views\ViewExecutable;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Generic entity row plugin to provide a common base for all entity types.
 *
 * @ViewsRow(
 *   id = "entity",
 *   deriver = "Drupal\views\Plugin\Derivative\ViewsEntityRow"
 * )
 */
class EntityRow extends RowPluginBase {
  use EntityTranslationRenderTrait;

  /**
   * The table the entity is using for storage.
   *
   * @var string
   */
  public $base_table;

  /**
   * Stores the entity type ID of the result entities.
   *
   * @var string
   */
  protected $entityTypeId;

  /**
   * Contains the entity type of this row plugin instance.
   *
   * @var \Drupal\Core\Entity\EntityTypeInterface
   */
  protected $entityType;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The entity repository service.
   *
   * @var \Drupal\Core\Entity\EntityRepositoryInterface
   */
  protected $entityRepository;

  /**
   * The entity display repository.
   *
   * @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface
   */
  protected $entityDisplayRepository;

  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * Constructs a new EntityRow object.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param array $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
   *   The language manager.
   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
   *   The entity repository.
   * @param \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository
   *   The entity display repository.
   */
  public function __construct(array $configuration, $plugin_id, array $plugin_definition, EntityTypeManagerInterface $entity_type_manager, LanguageManagerInterface $language_manager, EntityRepositoryInterface $entity_repository = NULL, EntityDisplayRepositoryInterface $entity_display_repository = NULL) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);

    $this->entityTypeManager = $entity_type_manager;
    $this->languageManager = $language_manager;
    $this->entityRepository = $entity_repository;
    $this->entityDisplayRepository = $entity_display_repository;
  }

  /**
   * {@inheritdoc}
   */
  public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
    parent::init($view, $display, $options);

    $this->entityTypeId = $this->definition['entity_type'];
    $this->entityType = $this->entityTypeManager->getDefinition($this->entityTypeId);
    $this->base_table = $this->entityType->getDataTable() ?: $this->entityType->getBaseTable();
    $this->base_field = $this->entityType->getKey('id');
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('entity_type.manager'),
      $container->get('language_manager'),
      $container->get('entity.repository'),
      $container->get('entity_display.repository')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function getEntityTypeId() {
    return $this->entityType->id();
  }

  /**
   * {@inheritdoc}
   */
  protected function getEntityTypeManager() {
    return $this->entityTypeManager;
  }

  /**
   * {@inheritdoc}
   */
  protected function getEntityRepository() {
    return $this->entityRepository;
  }

  /**
   * {@inheritdoc}
   */
  protected function getLanguageManager() {
    return $this->languageManager;
  }

  /**
   * {@inheritdoc}
   */
  protected function getView() {
    return $this->view;
  }

  /**
   * {@inheritdoc}
   */
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['view_mode'] = ['default' => 'default'];
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);

    $form['view_mode'] = [
      '#type' => 'select',
      '#options' => $this->entityDisplayRepository->getViewModeOptions($this->entityTypeId),
      '#title' => $this->t('View mode'),
      '#default_value' => $this->options['view_mode'],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function summaryTitle() {
    $options = $this->entityDisplayRepository->getViewModeOptions($this->entityTypeId);
    if (isset($options[$this->options['view_mode']])) {
      return $options[$this->options['view_mode']];
    }
    else {
      return $this->t('No view mode selected');
    }
  }

  /**
   * {@inheritdoc}
   */
  public function query() {
    parent::query();
    $relationship_table = NULL;
    if (isset($this->options['relationship'], $this->view->relationship[$this->options['relationship']])) {
      $relationship_table = $this->view->relationship[$this->options['relationship']]->alias;
    }
    $this->getEntityTranslationRenderer()->query($this->view->getQuery(), $relationship_table);
  }

  /**
   * {@inheritdoc}
   */
  public function preRender($result) {
    parent::preRender($result);
    if ($result) {
      $this->getEntityTranslationRenderer()->preRenderByRelationship($result, isset($this->options['relationship']) ? $this->options['relationship'] : 'none');
    }
  }

  /**
   * {@inheritdoc}
   */
  public function render($row) {
    return $this->getEntityTranslationRenderer()->renderByRelationship($row, isset($this->options['relationship']) ? $this->options['relationship'] : 'none');
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    $dependencies = parent::calculateDependencies();

    $view_mode = $this->entityTypeManager
      ->getStorage('entity_view_mode')
      ->load($this->entityTypeId . '.' . $this->options['view_mode']);
    if ($view_mode) {
      $dependencies[$view_mode->getConfigDependencyKey()][] = $view_mode->getConfigDependencyName();
    }

    return $dependencies;
  }

}
