<?php declare(strict_types = 1);

namespace MailPoet\Automation\Integrations\MailPoet\Subjects;

use MailPoet\Automation\Engine\Data\Field;
use MailPoet\Automation\Engine\Data\Subject as SubjectData;
use MailPoet\Automation\Engine\Integration\Payload;
use MailPoet\Automation\Engine\Integration\Subject;
use MailPoet\Automation\Integrations\MailPoet\Payloads\SubscriberPayload;
use MailPoet\Entities\SubscriberEntity;
use MailPoet\NotFoundException;
use MailPoet\Subscribers\SubscribersRepository;
use MailPoet\Validator\Builder;
use MailPoet\Validator\Schema\ObjectSchema;

/**
 * @implements Subject<SubscriberPayload>
 */
class SubscriberSubject implements Subject {
  const KEY = 'mailpoet:subscriber';

  /** @var SubscribersRepository */
  private $subscribersRepository;

  public function __construct(
    SubscribersRepository $subscribersRepository
  ) {
    $this->subscribersRepository = $subscribersRepository;
  }

  public function getKey(): string {
    return self::KEY;
  }

  public function getName(): string {
    return __('MailPoet subscriber', 'mailpoet');
  }

  public function getArgsSchema(): ObjectSchema {
    return Builder::object([
      'subscriber_id' => Builder::integer()->required(),
    ]);
  }

  public function getPayload(SubjectData $subjectData): Payload {
    $id = $subjectData->getArgs()['subscriber_id'];
    $subscriber = $this->subscribersRepository->findOneById($id);
    if (!$subscriber) {
      // translators: %d is the ID.
      throw NotFoundException::create()->withMessage(sprintf(__("Subscriber with ID '%d' not found.", 'mailpoet'), $id));
    }
    return new SubscriberPayload($subscriber);
  }

  /** @return Field[] */
  public function getFields(): array {
    return [
      new Field(
        'mailpoet:subscriber:id',
        Field::TYPE_INTEGER,
        __('Subscriber ID', 'mailpoet'),
        function (SubscriberPayload $payload) {
          return $payload->getId();
        }
      ),
      new Field(
        'mailpoet:subscriber:email',
        Field::TYPE_STRING,
        __('Subscriber email', 'mailpoet'),
        function (SubscriberPayload $payload) {
          return $payload->getEmail();
        }
      ),
      new Field(
        'mailpoet:subscriber:status',
        Field::TYPE_ENUM,
        __('Subscriber status', 'mailpoet'),
        function (SubscriberPayload $payload) {
          return $payload->getStatus();
        },
        [
          SubscriberEntity::STATUS_SUBSCRIBED => __('Subscribed', 'mailpoet'),
          SubscriberEntity::STATUS_UNCONFIRMED => __('Unconfirmed', 'mailpoet'),
          SubscriberEntity::STATUS_UNSUBSCRIBED => __('Unsubscribed', 'mailpoet'),
          SubscriberEntity::STATUS_BOUNCED => __('Bounced', 'mailpoet'),
        ]
      ),
    ];
  }
}