[db.config, db.config_anon].forEach(function(coll) {
  coll.find().forEach(function(o) {
    var sets = {};
    var unsets = {};
    ['friend', 'hook', 'ai'].forEach(function(type) {
      if (!o[type]) return;
      sets[type + '.tm'] = o[type].k ? NumberInt(1) : NumberInt(0);
      sets[type + '.d'] = NumberInt(2);
      unsets[type + '.k'] = true;
    });
    coll.update({
      _id: o._id
    }, {
      $set: sets,
      $unset: unsets
    });
  });
});