<?php
/*
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC. All rights reserved.                        |
 |                                                                    |
 | This work is published under the GNU AGPLv3 license with some      |
 | permitted exceptions and without any warranty. For full license    |
 | and copyright information, see https://civicrm.org/licensing       |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC https://civicrm.org/licensing
 */

/**
 * This class provides the functionality to add contacts for voter reservation.
 */
class CRM_Campaign_Form_Task_Release extends CRM_Campaign_Form_Task {

  /**
   * Survet id
   *
   * @var int
   */
  protected $_surveyId;

  /**
   * Number of voters
   *
   * @var int
   */
  protected $_interviewerId;

  /**
   * Survey details
   *
   * @var object
   */
  protected $_surveyDetails;

  protected $_surveyActivities;

  /**
   * Build all the data structures needed to build the form.
   */
  public function preProcess() {
    $this->_interviewToRelease = $this->get('interviewToRelease');
    if ($this->_interviewToRelease) {
      //user came from interview form.
      foreach ([
        'surveyId',
        'contactIds',
        'interviewerId',
      ] as $fld) {
        $this->{"_$fld"} = $this->get($fld);
      }

      if (!empty($this->_contactIds)) {
        $this->assign('totalSelectedContacts', count($this->_contactIds));
      }
    }
    else {
      parent::preProcess();
      //get the survey id from user submitted values.
      $this->_surveyId = CRM_Utils_Array::value('campaign_survey_id', $this->get('formValues'));
      $this->_interviewerId = CRM_Utils_Array::value('survey_interviewer_id', $this->get('formValues'));
    }

    if (!$this->_surveyId) {
      CRM_Core_Error::statusBounce(ts("Please search with 'Survey', to apply this action."));
    }
    if (!$this->_interviewerId) {
      CRM_Core_Error::statusBounce(ts('Missing Interviewer contact.'));
    }
    if (!is_array($this->_contactIds) || empty($this->_contactIds)) {
      CRM_Core_Error::statusBounce(ts('Could not find respondents to release.'));
    }

    $surveyDetails = [];
    $params = ['id' => $this->_surveyId];
    $this->_surveyDetails = CRM_Campaign_BAO_Survey::retrieve($params, $surveyDetails);

    $activityStatus = CRM_Core_PseudoConstant::activityStatus('name');
    $statusIds = [];
    foreach (['Scheduled'] as $name) {
      if ($statusId = array_search($name, $activityStatus)) {
        $statusIds[] = $statusId;
      }
    }
    //fetch the target survey activities.
    $this->_surveyActivities = CRM_Campaign_BAO_Survey::voterActivityDetails($this->_surveyId,
      $this->_contactIds,
      $this->_interviewerId,
      $statusIds
    );
    if (count($this->_surveyActivities) < 1) {
      CRM_Core_Error::statusBounce(ts('We could not found respondent for this survey to release.'));
    }

    $this->assign('surveyTitle', $surveyDetails['title']);

    //append breadcrumb to survey dashboard.
    if (CRM_Campaign_BAO_Campaign::accessCampaign()) {
      $url = CRM_Utils_System::url('civicrm/campaign', 'reset=1&subPage=survey');
      CRM_Utils_System::appendBreadCrumb([['title' => ts('Survey(s)'), 'url' => $url]]);
    }

    //set the title.
    $this->setTitle(ts('Release Respondents'));
  }

  /**
   * Build the form object.
   */
  public function buildQuickForm() {

    $this->addDefaultButtons(ts('Release Respondents'), 'done');
  }

  public function postProcess() {
    $deleteActivityIds = [];
    foreach ($this->_contactIds as $cid) {
      if (array_key_exists($cid, $this->_surveyActivities)) {
        $deleteActivityIds[] = $this->_surveyActivities[$cid]['activity_id'];
      }
    }

    //set survey activities as deleted = true.
    if (!empty($deleteActivityIds)) {
      $query = 'UPDATE civicrm_activity SET is_deleted = 1 WHERE id IN ( ' . implode(', ', $deleteActivityIds) . ' )';
      CRM_Core_DAO::executeQuery($query);

      if ($deleteActivityIds) {
        $status = ts("Respondent has been released.", [
          'count' => count($deleteActivityIds),
          'plural' => '%count respondents have been released.',
        ]);
        CRM_Core_Session::setStatus($status, ts('Released'), 'success');
      }

      if (count($this->_contactIds) > count($deleteActivityIds)) {
        $status = ts('1 respondent did not release.',
          [
            'count' => (count($this->_contactIds) - count($deleteActivityIds)),
            'plural' => '%count respondents did not release.',
          ]
        );
        CRM_Core_Session::setStatus($status, ts('Notice'), 'alert');
      }
    }
  }

}
