import http.server
from oauthlib.oauth2 import WebApplicationClient
import webbrowser
import urllib3
import re
import requests


urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

CLIENT_ID = "a79bae348867427690ca6df9903e4af0"
CLIENT_SECRET = "VfFc4JRxn4MpA5zRVut1gPIh6E5WrEC5"
AUTH_URL = "https://oauth.battle.net/authorize"
REDIRECT_URI = 'http://localhost:5635/login_success'

class SavingRequestHandler(http.server.SimpleHTTPRequestHandler):
  def do_GET(self):
    SavingRequestHandler.response_path = self.path


def wait_for_request(server_class=http.server.HTTPServer,
                     handler_class=SavingRequestHandler):
    server_address = ('', 5635)
    httpd = server_class(server_address, handler_class)
    return httpd.handle_request()


def authenticate():
    client = WebApplicationClient(CLIENT_ID)

    url = client.prepare_request_uri(
      AUTH_URL,
      redirect_uri = REDIRECT_URI,
      scope = ['wow.profile'],
      state = 'AbCdEfG'
    )
    webbrowser.open(url)
    wait_for_request()

authenticate()
response_code = re.search('code=(.*)&state=', SavingRequestHandler.response_path).group(1)
# print("this is the way ->", response_code)

# unnecessary?
token_url = "https://oauth.battle.net/token"
data = {'client_id': CLIENT_ID, 'client_secret': CLIENT_SECRET, 'redirect_uri': REDIRECT_URI, 'grant_type': 'authorization_code', 'code': response_code}
token_response = requests.post(token_url, data=data, auth=requests.auth.HTTPBasicAuth(CLIENT_ID, CLIENT_SECRET), verify=False)

oauth_token = token_response.json()['access_token']
token_file = open(".oauthtoken", "w")
token_file.write(oauth_token)