<?php

namespace Drupal\gdpr_consent\Form;

use Drupal\Component\Datetime\TimeInterface;
use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Entity\EntityRepositoryInterface;
use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Session\AccountInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Form controller for Consent Agreement edit forms.
 *
 * @ingroup gdpr_consent
 */
class ConsentAgreementForm extends ContentEntityForm {

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

  /**
   * {@inheritdoc}
   *
   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
   *   The entity repository service.
   * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
   *   The entity type bundle service.
   * @param \Drupal\Component\Datetime\TimeInterface $time
   *   The time service.
   * @param \Drupal\Core\Session\AccountInterface $current_user
   *   The current user.
   */
  public function __construct(
    EntityRepositoryInterface $entity_repository,
    EntityTypeBundleInfoInterface $entity_type_bundle_info = NULL,
    TimeInterface $time = NULL,
    AccountInterface $current_user
  ) {
    parent::__construct($entity_repository, $entity_type_bundle_info, $time);
    $this->currentUser = $current_user;

  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('entity.repository'),
      $container->get('entity_type.bundle.info'),
      $container->get('datetime.time'),
      $container->get('current_user')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    /** @var \Drupal\gdpr_consent\Entity\ConsentAgreement $entity */
    $form = parent::buildForm($form, $form_state);

    if (!$this->entity->isNew()) {
      $form['new_revision'] = [
        '#type' => 'checkbox',
        '#title' => $this->t('Create new revision'),
        '#default_value' => TRUE,
        '#weight' => 10,
      ];
    }

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $entity = $this->entity;

    // Save as a new revision if requested to do so.
    if (!$form_state->isValueEmpty('new_revision') && $form_state->getValue('new_revision') != FALSE) {
      $entity->setNewRevision();

      // If a new revision is created, save the current user as revision author.
      $entity->setRevisionCreationTime($this->time->getRequestTime());
      $entity->setRevisionUserId($this->currentUser->id());
    }
    else {
      $entity->setNewRevision(FALSE);
    }

    $status = parent::save($form, $form_state);

    switch ($status) {
      case SAVED_NEW:
        $this->messenger()->addStatus($this->t('Created the %label Consent Agreement.', [
          '%label' => $entity->label(),
        ]));
        break;

      default:
        $this->messenger()->addStatus($this->t('Saved the %label Consent Agreement.', [
          '%label' => $entity->label(),
        ]));
    }
    $form_state->setRedirect('entity.gdpr_consent_agreement.canonical', ['gdpr_consent_agreement' => $entity->id()]);
  }

  /**
   * {@inheritdoc}
   */
  protected function showRevisionUi() {
    return FALSE;
  }

}
