# This file only contains random hello-world-grade functions so
# that the demo api endpoints actually do something.
from connexion.exceptions import OAuthProblem
from api.OrderHandlerTester import OrderHandler


class PersistanceDemo(object):
    count = 0

    def increase(self):
        self.count += 1

    def showcount(self):
        return self.count


TOKEN_DB = {
    'asdf1234567890': {
        'uid': 100
    }
}


# Create an instance of this class that lives within the memory of the app
persistance_demo = PersistanceDemo()


def add_order(requester_id, bu, order_type, description):
    order = OrderHandler()
    orderno = order.add_order(requester_id, bu, order_type, description)
    return 'Order '+orderno+' has been added'


def get_order_status(id) -> str:
    order = OrderHandler()
    status = order.get_order_status(id)
    if len(status) > 0:
        return 'Order {id} has the status: {status}'.format(id=id, status=status)
    else:
        return 'The specified order id is invalid'


def get_order_details(id) -> str:
    order = OrderHandler()
    info = order.get_order_details(id)
    if len(info) > 0:
        return 'Order {id} infos: {info}'.format(id=id, info=info)
    else:
        return 'The specified order id is invalid'


def hello_world():
    return 'Hello World'


def post_greeting(name: str) -> str:
    return 'Hello {name}!'.format(name=name)


def post_teamgreeting(name):
    return 'Team member: {name}'.format(name=name)


def persistance_get():
    # Method called by the api endpoint. See the .yaml files in
    # the openapi/ folder
    persistance_demo.increase()
    return persistance_demo.showcount()


def apikey_auth(token, required_scopes):
    # This function is called to validate api_keys, see openapi/demoapi.yaml
    info = TOKEN_DB.get(token, None)

    if not info:
        raise OAuthProblem('Invalid token')

    return info


def basic_auth(username, password, required_scopes=None):
    if username == 'admin' and password == 'secret':
        info = {'sub': 'admin', 'scope': 'secrets'}
    elif username == 'foo' and password == 'bar':
        info = {'sub': 'user1', 'scope': ''}
    else:
        # optional: raise exception for custom error response
        return None

    return info


def get_secret(user) -> str:
    return "You are {user} and the secret is 'wbevuec'".format(user=user)


def get_secret_basicauth(user) -> str:
    return "You are {user} and the secret is 'wbevuec'".format(user=user)


def get_secret_bearer(user, token_info) -> str:
    return "You are {user} and the secret is 'Blubb'. Token information is '{ti}'".format(user=user, ti=token_info)