import logging
from urllib.parse import urlencode

import requests

from ..utils import logger as cl, CoreConfig

access_token = {}


class ApiClient:
    logger = cl.Logger(logging.DEBUG)

    session = requests.session()

    def __init__(self, host_endpoint=CoreConfig.TARGET_API_URL, timeout=60):
        self.host_endpoint = host_endpoint
        self.timeout = int(timeout)

    def get(self, uri):
        return self.session.get(url=self.host_endpoint + uri, headers=self.headers, timeout=self.timeout)

    def post(self, uri, json):
        return self.session.get(url=self.host_endpoint + uri, json=json, headers=self.headers)

    @property
    def headers(self):
        return {"authorization": "Bearer {}".format(self.authorize())}

    def authorize(self, user=CoreConfig.USER_EMAIL, password=CoreConfig.USER_PASSWORD):
        global access_token

        if access_token.get(user):
            return access_token.get(user)

        data = {
            "client_id": CoreConfig.AUTH0_CLIENT_ID,
            "client_secret": CoreConfig.AUTH0_CLIENT_SECRET,
            "audience": CoreConfig.AUTH0_AUDIENCE,
            "grant_type": CoreConfig.AUTH0_GRANT_TYPE,
            "realm": CoreConfig.AUTH0_REALM,
            "username": user,
            "password": password,
        }

        headers = {"content-type": "application/x-www-form-urlencoded",
                   "client-type": "autotests"}
        session_token = self.session.post(CoreConfig.AUTH0_HOST, urlencode(data), headers=headers)

        access_token[user] = session_token.json().get("access_token")
        self.logger.info(access_token[user])
        if access_token[user] == None:
            raise ValueError('Can not get the access token!')

        return access_token[user]