from . import poBaseURL
from .urlreader import UrlReader


class PoStations(object):

    def __init__(self):
        self.url = poBaseURL + 'stations.json'

    def getStations(self):
        print("getStations: Getting data...")

        reader = UrlReader(self.url)
        stations_json = reader.getJsonResponse()
        if stations_json is None:
            print("getStations: Keine Stationen erhalten")
            return None

        print("getStations: %d Stationen erhalten" % (len(stations_json),))

        stations = []
        for station_json in stations_json:
            if 'longitude' not in station_json or 'latitude' not in station_json or 'km' not in station_json:
                print("getStations: Station hat fehlende Attribute: %s" % (station_json['longname'],))
                continue

            stations.append(
                {
                    'geometry': {
                        'longitude':station_json['longitude'],
                        'latitude':station_json['latitude'],
                    },
                    'attributes': {
                        'uuid': station_json['uuid'],
                        'number': station_json['number'],
                        'shortname': station_json['shortname'],
                        'longname': station_json['longname'],
                        'km': station_json['km'],
                        'agency': station_json['agency'],
                        'water': station_json['water']['longname'],
                    },
                }
            )

        print("getStations: %d / %d Stationen überführt" % (len(stations), len(stations_json)))
        return stations