<?php

class stSecurityMigrationTask extends stTask
{
   const LIMIT = 20;

   const PEER_CLASS_MAPPING = array(
      'security_migration_order_user_data_billing' => 'OrderUserDataBillingPeer',
      'security_migration_order_user_data_delivery' => 'OrderUserDataDeliveryPeer',
      'security_migration_order_user_data' => 'UserDataPeer',
      'security_migration_invoice_customer_data' => 'InvoiceUserCustomerPeer',
      'security_migration_invoice_seller_data' => 'InvoiceUserSellerPeer',
      'security_migration_mail_account' => 'MailAccountPeer',
   );

   public function count(): int
   {
      $c = new Criteria();
      $c->add($this->getPeerClassConstant('CRYPT'), 2, Criteria::LESS_THAN);
      $count = call_user_func(array($this->getPeerClass(), 'doCount'), $c);

      if (!$count && $this->checkStatus())
      {
         stLock::isPHP72Ready(true);
      }

      return $count;
   }

   public function execute(int $offset): int
   {
      $c = new Criteria();
      $c->add($this->getPeerClassConstant('CRYPT'), 2, Criteria::LESS_THAN);
      $c->setLimit(self::LIMIT);

      $results = call_user_func(array($this->getPeerClass(), 'doSelect'), $c);

      foreach ($results as $result)
      {
         $result->save();
         usleep(250000);
         $offset++;
      }

      return $offset;
   }

   public function finished()
   {
      if ($this->checkStatus())
      {
         stLock::isPHP72Ready(true);
      }
   }

   protected function getPeerClassConstant($constant, $peerClass = null)
   {
      if (null === $peerClass)
      {
         $peerClass = $this->getPeerClass();
      }

      return constant($peerClass.'::'.$constant);
   }

   protected function getPeerClass()
   {
      return self::PEER_CLASS_MAPPING[$this->getTask()->getTaskId()];
   }

   protected function checkStatus()
   {
      foreach (self::PEER_CLASS_MAPPING as $peer)
      {
         $c = new Criteria();
         $c->add($this->getPeerClassConstant('CRYPT', $peer), 2, Criteria::LESS_THAN);
         if (call_user_func(array($peer, 'doCount'), $c) > 0)
         {
            return false;
         }
      }

      return true;
   }
}