<?php

namespace MailPoet\Cron;

use MailPoet\Cron\Workers\WorkersFactory;

class Daemon {
  public $timer;

  /** @var CronHelper */
  private $cron_helper;

  /** @var CronWorkerRunner */
  private $cron_worker_runner;

  /** @var WorkersFactory */
  private $workers_factory;

  public function __construct(
    CronHelper $cron_helper,
    CronWorkerRunner $cron_worker_runner,
    WorkersFactory $workers_factory
  ) {
    $this->timer = microtime(true);
    $this->workers_factory = $workers_factory;
    $this->cron_worker_runner = $cron_worker_runner;
    $this->cron_helper = $cron_helper;
  }

  public function run($settings_daemon_data) {
    $settings_daemon_data['run_started_at'] = time();
    $this->cron_helper->saveDaemon($settings_daemon_data);

    $errors = [];
    foreach ($this->getWorkers() as $worker) {
      try {
        if ($worker instanceof CronWorkerInterface) {
          $this->cron_worker_runner->run($worker);
        } else {
          $worker->process($this->timer); // BC for workers not implementing CronWorkerInterface
        }
      } catch (\Exception $e) {
        $worker_class_name_parts = explode('\\', get_class($worker));
        $errors[] = [
          'worker' => end($worker_class_name_parts),
          'message' => $e->getMessage(),
        ];
      }
    }

    if (!empty($errors)) {
      $this->cron_helper->saveDaemonLastError($errors);
    }

    // Log successful execution
    $this->cron_helper->saveDaemonRunCompleted(time());
  }

  private function getWorkers() {
    yield $this->workers_factory->createMigrationWorker();
    yield $this->workers_factory->createStatsNotificationsWorker(); // not CronWorkerInterface compatible
    yield $this->workers_factory->createScheduleWorker(); // not CronWorkerInterface compatible
    yield $this->workers_factory->createQueueWorker(); // not CronWorkerInterface compatible
    yield $this->workers_factory->createSendingServiceKeyCheckWorker();
    yield $this->workers_factory->createPremiumKeyCheckWorker();
    yield $this->workers_factory->createBounceWorker();
    yield $this->workers_factory->createExportFilesCleanupWorker();
    yield $this->workers_factory->createBeamerkWorker();
    yield $this->workers_factory->createInactiveSubscribersWorker();
    yield $this->workers_factory->createUnsubscribeTokensWorker();
    yield $this->workers_factory->createWooCommerceSyncWorker();
    yield $this->workers_factory->createAuthorizedSendingEmailsCheckWorker();
    yield $this->workers_factory->createWooCommercePastOrdersWorker();
    yield $this->workers_factory->createStatsNotificationsWorkerForAutomatedEmails();
    yield $this->workers_factory->createSubscriberLinkTokensWorker();
  }
}