<?php
// $Id: provision_stats.module,v 1.5 2008-11-06 18:57:58 adrian Exp $
function provision_stats_drush_command() {
  $items['provision stats'] = array(
    'callback' => '_provision_stats',
    'description' => 'Return statistics from a running site.'
  );
  return $items;
}

function _provision_stats($url) {
  if (!_provision_drupal_site_installed($url)) {
    provision_log("error", "Site has not been installed yet.");
    provision_set_error(PROVISION_SITE_NOT_FOUND);
    provision_output($url, $data);
  }
  $data = provision_get_site_data($url);
  $rolled_back = provision_invoke("stats", $url, $data);

  //needs to be done on active database
  $modules = module_implements('provision_stats');
  drupal_get_messages(); //clear the messages being saved so far.
  
  // Change headers and db info, also backs up to restore later
  _provision_drupal_switch_active_site($url);

  //TODO: add some required modules here, possibly update_status if not enabled.
  //Load the modules from the hosted site
  #module_list(TRUE);
  
  $stats['node_count'] = db_result(db_query("select max(nid) from {node}"));
  $stats['user_count'] = db_result(db_query("select max(uid) from {users}"));

  foreach ($modules as $name) {
    $func = $name .'_provision_stats';
    $stats = array_merge($stats, $func($url, $data));
  }
  
  _provision_drupal_switch_active_site();
  module_list(TRUE);
  
  return provision_output($url, $data, array('stats' => $stats));
}