<?php

///// DEPENDENCIES /////////////////////////////////////////////////////////////

include_once CS_ADMIN . 'modules/monitor/plugins/rest/MonitorRestservice.php';
include_once CS_ADMIN . 'modules/rest/api/plugins/CSRestservicePlugin.php';

///// CLASS DEFINITION /////////////////////////////////////////////////////////

/**
 * Observer plugin which checks if a path exists
 */
class FileshareObserver extends CSMonitorObserverPlugin {

  ///// PRIVATE AND PROTECTED VARS /////////////////////////////////////////////
  ///// PUBLIC METHODS /////////////////////////////////////////////////////////

  public function getPluginName() {
    return CS::translate(get_class($this), 'sawsalive');
  }

  /**
   * This function is automatically called to start the observation
   *
   * @param int $ObserverID
   * @param object $Service
   * @return method
   */
  public function observe($ObserverID, $Service = NULL) {
    return $this->_processObservation();
  }

  /**
   * Adds additional editor fields to the Contentserv interface
   *
   * @param CSGuiEditor $editor
   * @param CSMonitorObserver $observer
   */
  public function prepareEditor(CSGuiEditor $editor, CSMonitorObserver $observer) {
    $this->_observer = $observer;
    $editor->addField("FilePath", CS::translate('CSALIVE_MONITOR_FILE_PATH', 'sawsalive'), '', '', FALSE, array(
      'PaneTitle' => CS::translate('REST_GUI_EDIT_SETTINGS'),
      'onlyFolder' => true
    ));

    $editor->addField("SelectedShare", CS::translate('CSALIVE_MONITOR_SERVICE_SHARE', 'sawsalive'), $this->getShareNames(), 'Share1', FALSE, array(
      'PaneTitle' => CS::translate('REST_GUI_EDIT_SETTINGS'),
      'noEmptyOption' => true
    ));
  }

  ///// PROTECTED METHODS //////////////////////////////////////////////////////

  /**
   * Checks wether a path exists and saves the corresponding value
   * 1: TRUE | 2: FALSE
   */
  protected function _processObservation() {
    $observation = CSMonitor::createObservation($this->_observer->getID(), 'Fileshare.' . $this->getSelectedShare());
    $observation->setTimestamp(CS::getDate());
    $observation->setUnit('Status');
    $state = CSMonitor::MONITOR_GUI_NOTIFICATION_NONE_ID;
    $observation->setState($state);
    $observation->setWarningValue(1);
    $observation->setCriticalValue(2);

    $intMeasuredValue = 2;
    if (!empty($this->getSelectedShare())) {
      if (!empty($this->getSelectedPath())) {
        if (file_exists($this->getSelectedPath())) {
          $intMeasuredValue = 1;
        }
      }
    }

    $observation->setMeasuredValue($intMeasuredValue);
    $observation->store();
  }

  ///// PRIVATE METHODS //////////////////////////////////////////////////////

  /**
   * Gets the entered value from the editor
   *
   * @return string Returns the entered path
   */
  private function getSelectedPath() {
    $strPath = $this->_observer->getValue('FilePath');
    return $strPath;
  }

  /**
   * Gets the entered value from the editor
   *
   * @return String Share name
   */
  private function getSelectedShare() {
    $strShare = $this->_observer->getValue('SelectedShare');
    return $strShare;
  }

  /**
   * Creates an array of 10 share names to choose from.
   * So that they don't overwrite each other accidentally
   *
   * @return array List of all selectable shares
   */
  private function getShareNames() {
    $arrSelectableShares = array();

    for ($intI = 1; $intI <= 10; $intI++) {
      $arrSelectableShares['Share' . $intI] = 'Share' . $intI;
    }
    return $arrSelectableShares;
  }
}