'''
    DS2000
    Spring 2020
    Source code from class - Google API

    Two example functions -- distancematrix, and geocode
    For each one, we break down the return JSON data so we can
    isolate the values we care about.
'''

import requests

# Your API key would go here
API_KEY = ''

def get_distance(api_key, orig, dest):
    ''' Function: get_distance
        Parameters: API key (a string)
        returns: dictionary of JSON data
    '''
    http_params = {'key' : api_key,
                   'origins' : orig,
                   'destinations' : dest}

    url = 'https://maps.googleapis.com/maps/api/distancematrix/json'

    response = requests.get(url, params = http_params)

    return response.json()

def get_geocode(api_key, address):
    ''' Function: get_geocode
        Parameters: API key (a string-
        Returns: dictionary of JSON data
    '''
    http_params = {'key' : api_key,
                   'address' : address}

    url = 'https://maps.googleapis.com/maps/api/geocode/json'

    response = requests.get(url, params = http_params)

    return response.json()

def get_coordinates(geo_data):
    ''' Function: get_coordinates
        Parameters: dictionary of geocode JSON data
        returns: tuples of lat/long (floats)
    '''
    coords = geo_data['results'][0]['geometry']['location']
    lat = coords['lat']
    long = coords['lng']
    return (lat, long)
                   

def main():
    distance_results = get_distance(API_KEY, 'Boston, MA', 'New York, NY')
    duration = distance_results['rows'][0]['elements'][0]['duration']['text']
    print('To get to new york it takes...', duration)

    geocode = get_geocode(API_KEY, '440 Huntington Ave. Boston MA 02115')
    lat, long = get_coordinates(geocode)
    print('WVH is at', lat, long)
    

main()