<?php

declare(strict_types=1);

use Drupal\Core\Render\BubbleableMetadata;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\node\NodeInterface;
use Drupal\opd_daily_emails\Ctas;
use Drupal\opd_daily_emails\DailyEmail;
use Drupal\opd_daily_emails\DailyEmailNodeRepository;

/**
 * Implements hook_entity_bundle_info_alter().
 *
 * @param array<non-empty-string, array{class: non-empty-string}> $bundles
 */
function opd_daily_emails_entity_bundle_info_alter(array &$bundles): void {
  if (isset($bundles['node'])) {
    $bundles['node'][DailyEmail::NODE_TYPE]['class'] = DailyEmail::class;
  }
}

/**
 * Implements hook_entity_presave().
 */
function opd_daily_emails_entity_presave(Drupal\Core\Entity\EntityInterface $entity): void {
  if (!$entity instanceof DailyEmail) {
    return;
  }

  if (!$entity->isNew()) {
    return;
  }

  if ($entity->get('field_daily_email_cta')->getValue() !== []) {
    return;
  }

  $nodeStorage = \Drupal::entityTypeManager()->getStorage('node');
  $query = $nodeStorage->getQuery();
  $query->condition('status', NodeInterface::PUBLISHED);
  $query->condition('type', 'daily_email_cta');
  $query->accessCheck();
  $ctaNodes = $nodeStorage->loadMultiple($query->execute());

  $ctas = Ctas::fromNodes($ctaNodes);

  if ($ctas->isEmpty()) {
    return;
  }

  $entity->set('field_daily_email_cta', $ctas->getRandomCta());
}

/**
 * Implements hook_token_info().
 *
 * @return array{tokens: array{opd-daily-emails: array{description: TranslatableMarkup, name: TranslatableMarkup}[]}, types: array{opd-daily-emails: array{description: TranslatableMarkup, name: TranslatableMarkup}}}
 */
function opd_daily_emails_token_info(): array {
  $tokens = [];

  $type = [
    'description' => t('Tokens related to daily emails.'),
    'name' => t('Daily emails'),
  ];

  $tokens['email-count'] = [
    'description' => t('The number of sent daily emails.'),
    'name' => t('Daily email count'),
  ];

  return [
    'tokens' => [
      'opd-daily-emails' => $tokens,
    ],
    'types' => [
      'opd-daily-emails' => $type,
    ],
  ];
}

/**
 * Implements hook_tokens().
 *
 * @param array<non-empty-string, non-empty-string> $tokens
 * @param array<non-empty-string, mixed> $data
 * @param array<non-empty-string, mixed> $options
 *
 * @return array<non-empty-string, mixed>
 */
function opd_daily_emails_tokens(string $type, array $tokens, array $data, array $options, BubbleableMetadata $bubbleableMetadata) : array {
  $replacements = [];

  if ($type === 'opd-daily-emails') {
    foreach ($tokens as $name => $original) {
      switch ($name) {
        case 'email-count':
          $dailyEmailRepository = \Drupal::service(DailyEmailNodeRepository::class);

          $dailyEmails = $dailyEmailRepository->getAll();

          $replacements[$original] = $dailyEmails->count();
          break;
      }
    }
  }

  return $replacements;
}