# Twisted/Klein imports
from twisted.logger import Logger

# Other library imports
import requests
from requests.auth import HTTPBasicAuth
from json import dumps
from simplejson.errors import JSONDecodeError

# Project imports
from settings import settings


class Yapily(object):
    """
    Class to manage calls to Open Banking APIs through Yapily.
    """

    def __init__(self):
        self.log = Logger("yapily")
        self.auth = HTTPBasicAuth(settings.Yapily.ID, settings.Yapily.Key)
        print(self.get_institutions())
        authorisation = self.get_authorisation("monzo_ob", settings.Yapily.CallbackURL)
        print("authirisation", authorisation)

    def get_institutions(self, filter_name=None):
        """
        Get a list of supported institutions.
        """

        path = f"{settings.Yapily.Base}/institutions"
        r = requests.get(path, auth=self.auth)
        try:
            parsed = r.json()
        except JSONDecodeError:
            self.log.error("Error parsing institutions response: {content}", content=r.content)
            return False
        return parsed

    def get_authorisation(self, institution_id, callback_url):
        """
        Get an authorisation URL for linking a bank account of an institution.
        """
        headers = {"Content-Type": "application/json"}
        data = {"applicationUserId": "account-data-and-transactions-tutorial", "institutionId": institution_id, "callback": callback_url}
        path = f"{settings.Yapily.Base}/account-auth-requests"
        r = requests.post(path, headers=headers, data=dumps(data), auth=self.auth)
        try:
            parsed = r.json()
        except JSONDecodeError:
            self.log.error("Error parsing institutions response: {content}", content=r.content)
            return False
        return parsed