#! /bin/python

import requests, json, collections

id = "censored"
secret = "censored"
Token = collections.namedtuple('token', ['access', 'refresh', 'err'])

def refresh() :

    authfile = open('./.auth', 'r+')        # current refresh token is kept in .auth
    rt = authfile.read().splitlines()[0];

    params = {'client_id':id,
            'client_secret':secret,
            'grant_type':"refresh_token",
            'refresh_token':rt}

    data = json.loads(requests.post(url = "https://accounts.spotify.com/api/token", data = params).text)
    try:
        authfile.write(data['refresh_token']);  # refresh token is not updated if delta t < 3600ms
    except:
        pass
        # print("Refresh token unchanged")
    return(data['access_token']);

header = {'Authorization': "Authorization: Bearer " + refresh()}
response = requests.get("https://api.spotify.com/v1/me/player/recently-played", headers = header).text
data = json.loads(response)
# open('./sampleoutput.json', 'w').write(response);     # for debugging
print("\"" + data['items'][0]['track']['name'] + "\" by " + data['items'][0]['track']['artists'][0]['name']);