<?php

/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.7                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2015                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM is distributed in the hope that it will be useful, but     |
 | WITHOUT ANY WARRANTY; without even the implied warranty of         |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
 | See the GNU Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
 */

/**
 * Class CRM_Event_Tokens
 *
 * Generate "event.*" tokens.
 *
 * This TokenSubscriber was produced by refactoring the code from the
 * scheduled-reminder system with the goal of making that system
 * more flexible. The current implementation is still coupled to
 * scheduled-reminders. It would be good to figure out a more generic
 * implementation which is not tied to scheduled reminders, although
 * that is outside the current scope.
 */
class CRM_Event_Tokens extends \Civi\Token\AbstractTokenSubscriber {

  /**
   * Class constructor.
   */
  public function __construct() {
    parent::__construct('event', array(
      'event_type' => ts('Event Type'),
      'title' => ts('Event Title'),
      'event_id' => ts('Event ID'),
      'start_date' => ts('Event Start Date'),
      'end_date' => ts('Event End Date'),
      'summary' => ts('Event Summary'),
      'description' => ts('Event Description'),
      'location' => ts('Event Location'),
      'info_url' => ts('Event Info URL'),
      'registration_url' => ts('Event Registration URL'),
      'fee_amount' => ts('Event Fee'),
      'contact_email' => ts('Event Contact (Email)'),
      'contact_phone' => ts('Event Contact (Phone)'),
      'balance' => ts('Event Balance'),
    ));
  }

  /**
   * Check something about being active.
   *
   * @param \Civi\Token\TokenProcessor $processor
   *
   * @return bool
   */
  public function checkActive(\Civi\Token\TokenProcessor $processor) {
    // Extracted from scheduled-reminders code. See the class description.
    return
      !empty($processor->context['actionMapping'])
      && $processor->context['actionMapping']->getEntity() === 'civicrm_participant';
  }

  public function alterActionScheduleQuery(\Civi\ActionSchedule\Event\MailingQueryEvent $e) {
    if ($e->mapping->getEntity() !== 'civicrm_participant') {
      return;
    }

    $e->query->select('e.*'); // FIXME: seems too broad.
    $e->query->select('ov.label as event_type, ev.title, ev.id as event_id, ev.start_date, ev.end_date, ev.summary, ev.description, address.street_address, address.city, address.state_province_id, address.postal_code, email.email as contact_email, phone.phone as contact_phone');
    $e->query->join('participant_stuff', "
!casMailingJoinType civicrm_event ev ON e.event_id = ev.id
!casMailingJoinType civicrm_option_group og ON og.name = 'event_type'
!casMailingJoinType civicrm_option_value ov ON ev.event_type_id = ov.value AND ov.option_group_id = og.id
LEFT JOIN civicrm_loc_block lb ON lb.id = ev.loc_block_id
LEFT JOIN civicrm_address address ON address.id = lb.address_id
LEFT JOIN civicrm_email email ON email.id = lb.email_id
LEFT JOIN civicrm_phone phone ON phone.id = lb.phone_id
");
  }

  /**
   * Evaluate the content of a single token.
   *
   * @param \Civi\Token\TokenRow $row
   *   The record for which we want token values.
   * @param string $entity
   * @param string $field
   *   The name of the token field.
   * @param mixed $prefetch
   *   Any data that was returned by the prefetch().
   *
   * @return mixed
   */
  public function evaluateToken(\Civi\Token\TokenRow $row, $entity, $field, $prefetch = NULL) {
    $actionSearchResult = $row->context['actionSearchResult'];

    if ($field == 'location') {
      $loc = array();
      $stateProvince = \CRM_Core_PseudoConstant::stateProvince();
      $loc['street_address'] = $actionSearchResult->street_address;
      $loc['city'] = $actionSearchResult->city;
      $loc['state_province'] = \CRM_Utils_Array::value($actionSearchResult->state_province_id, $stateProvince);
      $loc['postal_code'] = $actionSearchResult->postal_code;
      //$entityTokenParams[$tokenEntity][$field] = \CRM_Utils_Address::format($loc);
      $row->tokens($entity, $field, \CRM_Utils_Address::format($loc));
    }
    elseif ($field == 'info_url') {
      $row
        ->tokens($entity, $field, \CRM_Utils_System::url('civicrm/event/info', 'reset=1&id=' . $actionSearchResult->event_id, TRUE, NULL, FALSE));
    }
    elseif ($field == 'registration_url') {
      $row
        ->tokens($entity, $field, \CRM_Utils_System::url('civicrm/event/register', 'reset=1&id=' . $actionSearchResult->event_id, TRUE, NULL, FALSE));
    }
    elseif (in_array($field, array('start_date', 'end_date'))) {
      $row->tokens($entity, $field, \CRM_Utils_Date::customFormat($actionSearchResult->$field));
    }
    elseif ($field == 'balance') {
      if ($actionSearchResult->entityTable == 'civicrm_contact') {
        $balancePay = 'N/A';
      }
      elseif (!empty($actionSearchResult->entityID)) {
        $info = \CRM_Contribute_BAO_Contribution::getPaymentInfo($actionSearchResult->entityID, 'event');
        $balancePay = \CRM_Utils_Array::value('balance', $info);
        $balancePay = \CRM_Utils_Money::format($balancePay);
      }
      $row->tokens($entity, $field, $balancePay);
    }
    elseif ($field == 'fee_amount') {
      $row->tokens($entity, $field, \CRM_Utils_Money::format($actionSearchResult->$field));
    }
    elseif (isset($actionSearchResult->$field)) {
      $row->tokens($entity, $field, $actionSearchResult->$field);
    }
    else {
      $row->tokens($entity, $field, '');
    }
  }

}