<?php
function getTrip($tripID) {
    /* def handle_json_GET_triprows(self, params):
    """Return a list of rows from the feed file that are related to this
    trip."""
    schedule = self.server.schedule
    try:
      trip = schedule.GetTrip(params.get('trip', None))
    except KeyError:
      # if a non-existent trip is searched for, the return nothing
      return
    route = schedule.GetRoute(trip.route_id)
    trip_row = dict(trip.iteritems())
    route_row = dict(route.iteritems())
    return [['trips.txt', trip_row], ['routes.txt', route_row]]
    */
}
function getTripShape() {
    /* def handle_json_GET_tripstoptimes(self, params):
    schedule = self.server.schedule
    try:
      trip = schedule.GetTrip(params.get('trip'))
    except KeyError:
       # if a non-existent trip is searched for, the return nothing
      return
    time_stops = trip.GetTimeInterpolatedStops()
    stops = []
    times = []
    for arr,ts,is_timingpoint in time_stops:
      stops.append(StopToTuple(ts.stop))
      times.append(arr)
    return [stops, times]
 
  def handle_json_GET_tripshape(self, params):
    schedule = self.server.schedule
    try:
      trip = schedule.GetTrip(params.get('trip'))
    except KeyError:
       # if a non-existent trip is searched for, the return nothing
      return
    points = []
    if trip.shape_id:
      shape = schedule.GetShape(trip.shape_id)
      for (lat, lon, dist) in shape.points:
        points.append((lat, lon))
    else:
      time_stops = trip.GetTimeStops()
      for arr,dep,stop in time_stops:
        points.append((stop.stop_lat, stop.stop_lon))
    return points*/
}
function tripStopTimes($tripID, $after_time, $limit) {
    /*     rv = []
 
    stoptimes = self.GetStopTimes()
    # If there are no stoptimes [] is the correct return value but if the start
    # or end are missing times there is no correct return value.
    if not stoptimes:
      return []
    if (stoptimes[0].GetTimeSecs() is None or
        stoptimes[-1].GetTimeSecs() is None):
      raise ValueError("%s must have time at first and last stop" % (self))
 
    cur_timepoint = None
    next_timepoint = None
    distance_between_timepoints = 0
    distance_traveled_between_timepoints = 0
 
    for i, st in enumerate(stoptimes):
      if st.GetTimeSecs() != None:
        cur_timepoint = st
        distance_between_timepoints = 0
        distance_traveled_between_timepoints = 0
        if i + 1 < len(stoptimes):
          k = i + 1
          distance_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[k-1].stop, stoptimes[k].stop)
          while stoptimes[k].GetTimeSecs() == None:
            k += 1
            distance_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[k-1].stop, stoptimes[k].stop)
          next_timepoint = stoptimes[k]
        rv.append( (st.GetTimeSecs(), st, True) )
      else:
        distance_traveled_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[i-1].stop, st.stop)
        distance_percent = distance_traveled_between_timepoints / distance_between_timepoints
        total_time = next_timepoint.GetTimeSecs() - cur_timepoint.GetTimeSecs()
        time_estimate = distance_percent * total_time + cur_timepoint.GetTimeSecs()
        rv.append( (int(round(time_estimate)), st, False) )
 
    return rv*/
}
 
function tripStartTime($tripID) {
    $query = 'SELECT arrival_secs,departure_secs FROM stop_times WHERE trip_id=? ORDER BY stop_sequence LIMIT 1';
    
}
 
function viaPoints($tripid, $stopid, $timingPointsOnly = false)
{
        global $APIurl;
        $url = $APIurl . "/json/tripstoptimes?trip=" . $tripid;
        $json = json_decode(getPage($url));
        debug(print_r($json, true));
        $stops = $json[0];
        $times = $json[1];
        $foundStop = false;
        $viaPoints = Array();
        foreach ($stops as $key => $row) {
                if ($foundStop) {
                        if (!$timingPointsOnly || !startsWith($row[5], "Wj")) {
                                $viaPoints[] = Array(
                                        "id" => $row[0],
                                        "name" => $row[1],
                                        "time" => $times[$key]
                                );
                        }
                }
                else {
                        if ($row[0] == $stopid) $foundStop = true;
                }
        }
        return $viaPoints;
}
function viaPointNames($tripid, $stopid)
{
        $points = viaPoints($tripid, $stopid, true);
        $pointNames = Array();
        foreach ($points as $point) {
                $pointNames[] = $point['name'];
        }
        return implode(", ", $pointNames);
}
?>