<?php

/**
 * Implements hook_menu_get_item_alter().
 *
 * Make sure our classes get loaded when viewing the condition settings form.
 * This hack is needed because we are not a native civicrm extension.
 */
function webform_civirules_menu_get_item_alter(&$router_item, $path, $original_map) {
  civicrm_initialize();
  if ($path == "civicrm/civirules/conditions/webform_civirules_webform_is") {
    set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__);
    $smarty = CRM_Core_Smarty::singleton();
    $smarty->addTemplateDir( __DIR__.'/templates');
  }
  if ($path == "civicrm/civirules/conditions/webform_civirules_contactisnthcontactonwebform") {
    set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__);
    $smarty = CRM_Core_Smarty::singleton();
    $smarty->addTemplateDir( __DIR__.'/templates');
  }
}

/**
 * Implementation of webform_submission_insert for CiviRules Webform Submission Trigger
 *
 * @param $node
 * @param $submission
 */
function webform_civirules_webform_submission_insert($node, $submission) {
  if (!empty($node->webform_civicrm)) {
    webform_civirules_trigger::getSingleton()->setSubmission($submission)->trigger();
  }
}

/**
 * Implementation of webform_submission_insert for CiviRules Webform Submission Trigger
 *
 * @param $node
 * @param $submission
 */
function webform_civirules_webform_submission_update($node, $submission) {
  if (!empty($node->webform_civicrm)) {
    webform_civirules_trigger::getSingleton()->setSubmission($submission)->trigger();
  }
}

/**
 * Implements hook_webform_submission_delete().
 */
function webform_civirules_webform_submission_delete($node, $submission) {
  db_delete('webform_civicrm_submissions_civirules_trigger')
    ->condition('sid', $submission->sid)
    ->execute();
}

/**
 * Make sure that the hooks gets executed after webform_civicrm has done its processing.
 *
 * @param $module_list
 * @param $context
 */
function webform_civirules_module_implements_alter(&$module_list, $context) {
  switch ($context) {
    case 'webform_submission_insert':
      $old_module_list = $module_list;
      $module_list = array();
      // Walk trhough the old list and add the hook to the new list. Unles the module
      // is this module. Then don't add this module but only add this module after webform_civicrm.
      foreach ($old_module_list as $module => $hook) {
        if ($module != 'webform_civirules') {
          $module_list[$module] = $hook;
        }
        if ($module == 'webform_civicrm') {
          $module_list['webform_civirules'] = $old_module_list['webform_civirules'];
        }
      }

      break;
  }
}

function webform_civirules_webform_submission_presave($node, &$submission) {
  if (!$node->webform_civicrm) {
    return; // is not a webform civicrm submission.
  }
  // Store the submission object so we can use it later on
  // when the sid is set.
  // As submission is an object and object are storeed by reference we can retrieve the new submission id.
  webform_civirules_trigger::getSingleton()->setSubmission($submission);
}

/**
 * Implements hook_civicrm_alterPaymentProcessorParams().
 *
 * In this hook we check whether we do an online payment from a webform.
 * If so we find out what the submission id is and and trigger civirules from that submission.
 * Why do we do this? Because the webform_civicrm redirects to the pyament processor page and this
 * levaes our hook webform_submission_insert uncalled and webform_submission_update would never be called afterwards.
 *
 * @param $paymentObj
 * @param $rawParams
 * @param $cookedParams
 */
function webform_civirules_civicrm_alterPaymentProcessorParams($paymentObj,&$rawParams, &$cookedParams) {
  if (!isset($rawParams['webform_redirect_success'])) {
    return; // this is not a webform submission
  }

  webform_civirules_trigger::getSingleton()->trigger();
}

/**
 * Implementation of hook_civicrm_managed
 *
 * Generate a list of entities to create/deactivate/delete when this module
 * is installed, disabled, uninstalled.
 *
 * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_managed
 */
function webform_civirules_civicrm_managed(&$entities) {
  if (_webform_civirules_is_civirules_installed()) {
    $select = "SELECT COUNT(*) FROM civirule_trigger WHERE `name` = 'webform_civirules_submission'";
    $count = CRM_Core_DAO::singleValueQuery($select);
    if ($count == 0) {
      $nowDate = new DateTime();
      try {
        civicrm_api3('CiviRuleTrigger', 'create', [
          'name' => 'webform_civirules_submission',
          'label' => 'Webform is submitted',
          'class_name' => 'CRM_WebformCivirules_Trigger',
          'is_active' => 1,
          'created_date' => $nowDate->format('Y-m-d')
        ]);
      } catch (CiviCRM_API3_Exception $ex) {
        throw new Exception('Could not create required trigger for webform submission in ' . __METHOD__
          . ', contact your system administrator. Error from API CiviRulesTrigger create: ' . $ex->getMessage());
      }
    }

    $select = "SELECT COUNT(*) FROM civirule_condition WHERE `name` = 'webform_civirules_webform_is'";
    $count = CRM_Core_DAO::singleValueQuery($select);
    if ($count == 0) {
      CRM_Core_DAO::executeQuery("INSERT INTO civirule_condition (name, label, class_name, is_active) VALUES('webform_civirules_webform_is', 'Webform is', 'CRM_WebformCivirules_Condition_WebformIs', 1);");
    }

    $select = "SELECT COUNT(*) FROM civirule_condition WHERE `name` = 'webform_civirules_isnthcontactonwebform'";
    $count = CRM_Core_DAO::singleValueQuery($select);
    if ($count == 0) {
      CRM_Core_DAO::executeQuery("INSERT INTO civirule_condition (name, label, class_name, is_active) VALUES('webform_civirules_isnthcontactonwebform', 'Is nth contact on webform', 'CRM_WebformCivirules_Condition_IsNthContactOnWebform', 1);");
    }
  }
}

function webform_civirules_civicrm_xmlMenu( &$files ) {
  $files[] = dirname(__FILE__).'/xml/Menu.xml';
}

/**
 * Helper function to check whether CiviRules is installed
 *
 * @return bool
 * @throws \CiviCRM_API3_Exception
 */
function _webform_civirules_is_civirules_installed() {
  civicrm_initialize();
  if (civicrm_api3('Extension', 'get', ['key' => 'civirules', 'status' => 'installed'])['count']) {
    return true;
  } elseif (civicrm_api3('Extension', 'get', ['key' => 'org.civicoop.civirules', 'status' => 'installed'])['count']) {
    return true;
  }
  return false;
}