<?php

use Civi\Mailinglistsync\QueueHelper;
use CRM_Mailinglist_ExtensionUtil as E;

/**
 * Mailinglistsync.Mlmmjsync API specification (optional)
 * This is used for documentation and validation.
 *
 * @param array $spec description of fields supported by this API call
 *
 * @see https://docs.civicrm.org/dev/en/latest/framework/api-architecture/
 */
function _civicrm_api3_mailinglistsync_Mlmmjsync_spec(&$spec) {}

/**
 * Mailinglistsync.Mlmmjsync API
 *
 * @param array $params
 *
 * @return array
 *   API result descriptor
 *
 * @see civicrm_api3_create_success
 *
 * @throws CRM_Core_Exception
 */
function civicrm_api3_mailinglistsync_Mlmmjsync($params) {

  // Get queues
  $qh = QueueHelper::getInstance();
  $groupQueue = $qh->getGroupQueue();
  $eventQueue = $qh->getEventQueue();
  $emailQueue = $qh->getEmailQueue();

  // Create runners
  $groupRunner = new CRM_Queue_Runner([
    'title' => ts('ProPeace GroupMailinglist Runner'),
    'queue' => $groupQueue,
    'errorMode' => CRM_Queue_Runner::ERROR_CONTINUE,
  ]);
  $eventRunner = new CRM_Queue_Runner([
    'title' => ts('ProPeace EventMailinglist Runner'),
    'queue' => $eventQueue,
    'errorMode' => CRM_Queue_Runner::ERROR_CONTINUE,
  ]);
  $emailRunner = new CRM_Queue_Runner([
    'title' => ts('ProPeace EmailMailinglist Runner'),
    'queue' => $emailQueue,
    'errorMode' => CRM_Queue_Runner::ERROR_CONTINUE,
  ]);

  // Run runners
  $results = [];
  $continue = TRUE;
  while($continue) {
    $result = $groupRunner->runNext(false);
    if (!$result['is_continue']) {
      $continue = false;
    }
    $results['runners'][] = $result;
  }

  $groups = $qh->getGroups();
  $events = $qh->getEvents();
  $emails = $qh->getEmails();

  // TODO: Sync groups and events just once and invoke syncing

  $mailingListsToSync = [];
  foreach ($groups as $group) {
    $mailingListsToSync[$group->getId()] = $group;
  }
  foreach ($events as $event) {
    $mailingListsToSync[$event->getId()] = $event;
  }
  foreach ($emails as $email) {
    $emailGroups = $email->getGroups();
    $emailEvents = $email->getEvents();
    foreach ($emailGroups as $group) {
      $mailingListsToSync[$group->getId()] = $group;
    }
    foreach ($emailEvents as $event) {
      $mailingListsToSync[$event->getId()] = $event;
    }
  }

  foreach ($mailingListsToSync as $mailingList) {
    $results['mailing_lists'][] = $mailingList->sync();
  }

  return civicrm_api3_create_success($results, [], 'Mailinglist', 'Mlmmjsync');

  /*
  throw new CRM_Core_Exception('Everyone knows that the magicword is "sesame"', 'magicword_incorrect');
  */
}