<?php
/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.7                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2017                                |
 +--------------------------------------------------------------------+
 | 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        |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2017
 */

/**
 * This class generates form components for processing a survey.
 */
class CRM_Campaign_Form_Survey_Main extends CRM_Campaign_Form_Survey {

  /* values
   *
   * @var array
   */

  public $_values;

  /**
   * Context.
   *
   * @var string
   */
  protected $_context;

  /**
   * Explicitly declare the entity api name.
   */
  public function getDefaultEntity() {
    return 'Survey';
  }

  public function preProcess() {
    parent::preProcess();

    $this->_context = CRM_Utils_Request::retrieve('context', 'String', $this);

    $this->assign('context', $this->_context);

    $this->_action = CRM_Utils_Request::retrieve('action', 'String', $this);

    if ($this->_action & CRM_Core_Action::UPDATE) {
      CRM_Utils_System::setTitle(ts('Configure Survey') . ' - ' . $this->_surveyTitle);
    }

    // when custom data is included in this page
    if (!empty($_POST['hidden_custom'])) {
      CRM_Custom_Form_CustomData::preProcess($this);
      CRM_Custom_Form_CustomData::buildQuickForm($this);
    }

    if ($this->_name != 'Petition') {
      $url = CRM_Utils_System::url('civicrm/campaign', 'reset=1&subPage=survey');
      CRM_Utils_System::appendBreadCrumb(array(array('title' => ts('Survey Dashboard'), 'url' => $url)));
    }

    $this->_values = $this->get('values');
    if (!is_array($this->_values)) {
      $this->_values = array();
      if ($this->_surveyId) {
        $params = array('id' => $this->_surveyId);
        CRM_Campaign_BAO_Survey::retrieve($params, $this->_values);
      }
      $this->set('values', $this->_values);
    }

    $this->assign('action', $this->_action);
    $this->assign('surveyId', $this->_surveyId);
    // for custom data
    $this->assign('entityID', $this->_surveyId);
  }

  /**
   * Set default values for the form. Note that in edit/view mode
   * the default values are retrieved from the database
   *
   * @return array
   *   array of default values
   */
  public function setDefaultValues() {

    $defaults = $this->_values;

    if ($this->_surveyId) {

      if (!empty($defaults['result_id']) && !empty($defaults['recontact_interval'])) {

        $resultId = $defaults['result_id'];
        $recontactInterval = unserialize($defaults['recontact_interval']);

        unset($defaults['recontact_interval']);
        $defaults['option_group_id'] = $resultId;
      }
    }

    if (!isset($defaults['is_active'])) {
      $defaults['is_active'] = 1;
    }

    $defaultSurveys = CRM_Campaign_BAO_Survey::getSurveys(TRUE, TRUE);
    if (!isset($defaults['is_default']) && empty($defaultSurveys)) {
      $defaults['is_default'] = 1;
    }

    return $defaults;
  }

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

    $this->add('text', 'title', ts('Title'), CRM_Core_DAO::getAttribute('CRM_Campaign_DAO_Survey', 'title'), TRUE);

    $surveyActivityTypes = CRM_Campaign_BAO_Survey::getSurveyActivityType();
    // Activity Type id
    $this->addSelect('activity_type_id', array('option_url' => 'civicrm/admin/campaign/surveyType'), TRUE);

    // Campaign id
    $campaigns = CRM_Campaign_BAO_Campaign::getCampaigns(CRM_Utils_Array::value('campaign_id', $this->_values));
    $this->add('select', 'campaign_id', ts('Campaign'), array('' => ts('- select -')) + $campaigns);

    // script / instructions
    $this->add('wysiwyg', 'instructions', ts('Instructions for interviewers'), array('rows' => 5, 'cols' => 40));

    // release frequency
    $this->add('text', 'release_frequency', ts('Release Frequency'), CRM_Core_DAO::getAttribute('CRM_Campaign_DAO_Survey', 'release_frequency'));

    $this->addRule('release_frequency', ts('Release Frequency interval should be a positive number.'), 'positiveInteger');

    // max reserved contacts at a time
    $this->add('text', 'default_number_of_contacts', ts('Maximum reserved at one time'), CRM_Core_DAO::getAttribute('CRM_Campaign_DAO_Survey', 'default_number_of_contacts'));
    $this->addRule('default_number_of_contacts', ts('Maximum reserved at one time should be a positive number'), 'positiveInteger');

    // total reserved per interviewer
    $this->add('text', 'max_number_of_contacts', ts('Total reserved per interviewer'), CRM_Core_DAO::getAttribute('CRM_Campaign_DAO_Survey', 'max_number_of_contacts'));
    $this->addRule('max_number_of_contacts', ts('Total reserved contacts should be a positive number'), 'positiveInteger');

    // is active ?
    $this->add('checkbox', 'is_active', ts('Active?'));

    // is default ?
    $this->add('checkbox', 'is_default', ts('Default?'));

    parent::buildQuickForm();
  }

  /**
   * Process the form.
   */
  public function postProcess() {
    // store the submitted values in an array
    $params = $this->controller->exportValues($this->_name);

    $session = CRM_Core_Session::singleton();

    $params['last_modified_id'] = $session->get('userID');
    $params['last_modified_date'] = date('YmdHis');

    if ($this->_surveyId) {
      $params['id'] = $this->_surveyId;
    }
    else {
      $params['created_id'] = $session->get('userID');
      $params['created_date'] = date('YmdHis');
    }

    $params['is_active'] = CRM_Utils_Array::value('is_active', $params, 0);
    $params['is_default'] = CRM_Utils_Array::value('is_default', $params, 0);

    $params['custom'] = CRM_Core_BAO_CustomField::postProcess($params,
      $this->_surveyId,
      'Survey'
    );
    $survey = CRM_Campaign_BAO_Survey::create($params);
    $this->_surveyId = $survey->id;

    if (!empty($this->_values['result_id'])) {
      $query = "SELECT COUNT(*) FROM civicrm_survey WHERE result_id = %1";
      $countSurvey = (int) CRM_Core_DAO::singleValueQuery($query,
        array(
          1 => array(
            $this->_values['result_id'],
            'Positive',
          ),
        )
      );
      // delete option group if no any survey is using it.
      if (!$countSurvey) {
        CRM_Core_BAO_OptionGroup::del($this->_values['result_id']);
      }
    }

    parent::endPostProcess();
  }

}
