<?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        |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2015
 * $Id$
 *
 */

/**
 * This class helps to print the labels for contacts
 *
 */
class CRM_Member_Form_Task_Label extends CRM_Member_Form_Task {

  /**
   * Build all the data structures needed to build the form.
   *
   * @return void
   */
  public function preProcess() {
    parent::preProcess();
    $this->setContactIDs();
    CRM_Core_Resources::singleton()->addScriptFile('civicrm', 'templates/CRM/Member/Form/Task/Label.js');
  }

  /**
   * Build the form object.
   *
   *
   * @return void
   */
  public function buildQuickForm() {
    CRM_Contact_Form_Task_Label::buildQuickForm($this);
    $this->addElement('checkbox', 'per_membership', ts('Print one label per Membership (rather than per contact)'));
  }

  /**
   * Set default values for the form.
   *
   * @return array
   *   array of default values
   */
  public function setDefaultValues() {
    $defaults = array();
    $format = CRM_Core_BAO_LabelFormat::getDefaultValues();
    $defaults['label_name'] = CRM_Utils_Array::value('name', $format);
    $defaults['merge_same_address'] = 0;
    $defaults['merge_same_household'] = 0;
    $defaults['do_not_mail'] = 1;
    return $defaults;
  }

  /**
   * Process the form after the input has been submitted and validated.
   *
   *
   * @return void
   */
  public function postProcess() {
    $formValues = $this->controller->exportValues($this->_name);
    $locationTypeID = $formValues['location_type_id'];
    $respectDoNotMail = CRM_Utils_Array::value('do_not_mail', $formValues);
    $labelName = $formValues['label_name'];
    $mergeSameAddress = CRM_Utils_Array::value('merge_same_address', $formValues);
    $mergeSameHousehold = CRM_Utils_Array::value('merge_same_household', $formValues);
    $isPerMembership = CRM_Utils_Array::value('per_membership', $formValues);
    if ($isPerMembership && ($mergeSameAddress || $mergeSameHousehold)) {
      // this shouldn't happen  - perhaps is could if JS is disabled
      CRM_Core_Session::setStatus(ts('As you are printing one label per membership your merge settings are being ignored'));
      $mergeSameAddress = $mergeSameHousehold = FALSE;
    }
    // so no-one is tempted to refer to this again after relevant values are extracted
    unset($formValues);

    list($rows, $tokenFields) = CRM_Contact_Form_Task_LabelCommon::getRows($this->_contactIds, $locationTypeID, $respectDoNotMail, $mergeSameAddress, $mergeSameHousehold);

    $individualFormat = FALSE;
    if ($mergeSameAddress) {
      CRM_Core_BAO_Address::mergeSameAddress($rows);
      $individualFormat = TRUE;
    }
    if ($mergeSameHousehold) {
      $rows = CRM_Contact_Form_Task_LabelCommon::mergeSameHousehold($rows);
      $individualFormat = TRUE;
    }
    // format the addresses according to CIVICRM_ADDRESS_FORMAT (CRM-1327)
    foreach ($rows as $id => $row) {
      if ($commMethods = CRM_Utils_Array::value('preferred_communication_method', $row)) {
        $val = array_filter(explode(CRM_Core_DAO::VALUE_SEPARATOR, $commMethods));
        $comm = CRM_Core_PseudoConstant::get('CRM_Contact_DAO_Contact', 'preferred_communication_method');
        $temp = array();
        foreach ($val as $vals) {
          $temp[] = $comm[$vals];
        }
        $row['preferred_communication_method'] = implode(', ', $temp);
      }
      $row['id'] = $id;
      $formatted = CRM_Utils_Address::format($row, 'mailing_format', FALSE, TRUE, $individualFormat, $tokenFields);
      $rows[$id] = array($formatted);
    }

    if ($isPerMembership) {
      $labelRows = array();
      $memberships = civicrm_api3('membership', 'get', array(
          'id' => array('IN' => $this->_memberIds),
          'return' => 'contact_id',
        ));
      foreach ($memberships['values'] as $id => $membership) {
        $labelRows[$id] = $rows[$membership['contact_id']];
      }
    }
    else {
      $labelRows = $rows;
    }
    //call function to create labels
    CRM_Contact_Form_Task_LabelCommon::createLabel($labelRows, $labelName);
    CRM_Utils_System::civiExit(1);
  }

}
