from typing import Optional, Tuple

import requests
import pandas as pd


def get_building_id(row) -> Optional[Tuple[int, float, float]]:
    r = requests.get('https://geocode.gate.petersburg.ru/parse/eas', params={
        'street': row['Улица']
    })

    res = r.json()

    if 'error' not in res:
        return (res['Building_ID'], res['Longitude'], res['Latitude'])

    return None


def fetch_builing_ids(df: pd.DataFrame) -> pd.DataFrame:
    df[['Building_ID', 'lng', 'lat']] = df.apply(
        get_building_id, axis=1, result_type='expand')

    return df