syntax = "proto2";

import "com/google/transit/realtime/gtfs-realtime.proto";

option java_package = "com.google.transit.realtime";
package transit_realtime;

message MtaRailroadStopTimeUpdate {
    optional string track = 1;
    optional string trainStatus = 2;
}

extend transit_realtime.TripUpdate.StopTimeUpdate {
   optional MtaRailroadStopTimeUpdate mta_railroad_stop_time_update = 1005;
}

message MtaRailroadCarriageDetails {
    //Indicates the number of bikes permitted per carriage.
    //0=bikes prohibited, -1=No limit.
    optional int32 bicycles_allowed = 1 [default = 0];
    
    //A description of the carriage type/model.
    optional string carriage_class = 2;
    
    // Whether the carriage has toilet facilities onboard.
    enum QuietCarriage {

      // It is unknown if the carriage is designated as a quiet carriage.
      //  This is the default case.
      UNKNOWN_QUIET_CARRIAGE = 0;

      // The carriage is designated a quiet carriage.
      QUIET_CARRIAGE = 1;

      // The carriage is not designated as a quiet carriage.
      NOT_QUIET_CARRIAGE = 2;
    }
    
    optional QuietCarriage quiet_carriage = 3 [default = UNKNOWN_QUIET_CARRIAGE];
    
    // Whether the carriage has toilet facilities onboard.
    enum ToiletFacilities {

      // It is unknown if the carriage has toilet facilities. This is the
      // default case.
      UNKNOWN_TOILET_FACILITIES = 0;

      // The carriage has toilet facilities onboard.
      TOILET_ONBOARD = 1;

      // The carriage does not have toilet facilities onboard.
      NO_TOILET_ONBOARD = 2;
    }
    
    optional ToiletFacilities toilet_facilities = 4 [default = UNKNOWN_TOILET_FACILITIES];
}

extend transit_realtime.VehiclePosition.CarriageDetails {
    optional MtaRailroadCarriageDetails mta_railroad_carriage_details = 1005;
}