import typing
from abc import ABC
from fastapi.exceptions import HTTPException

from api_objects.auth.token_objects import EmployeeTokenObject, OccupantTokenObject


class ActionsSchema(ABC):

    def __init__(self, endpoint: str = None):
        self.endpoint = endpoint

    def retrieve_action_from_endpoint(self):
        from databases import EndpointRestriction

        endpoint_restriction = EndpointRestriction.filter_one(
            EndpointRestriction.endpoint_name.ilike(f"%{self.endpoint}%")
        ).get(1)
        if not endpoint_restriction:
            raise HTTPException(
                status_code=404,
                detail=f"Endpoint {self.endpoint} not found in the database",
            )
        return endpoint_restriction


class ActionsSchemaFactory:

    def __init__(self, action: ActionsSchema):
        self.action = action
        try:
            self.action_match = self.action.retrieve_action_from_endpoint()
        except Exception as e:
            err = e
            self.action_match = None


class MethodToEvent(ABC, ActionsSchemaFactory):

    event_type: str = None
    event_description: str = ""
    event_category: str = ""

    __event_keys__: dict = {}

    @classmethod
    def call_event_method(cls, method_uu_id: str, *args, **kwargs):
        function_name = cls.__event_keys__.get(method_uu_id)
        return getattr(cls, function_name)(*args, **kwargs)

    @classmethod
    def ban_token_objects(
        cls,
        token: typing.Union[EmployeeTokenObject, OccupantTokenObject],
        ban_list: typing.Union[EmployeeTokenObject, OccupantTokenObject],
    ):
        from fastapi import status
        from fastapi.exceptions import HTTPException

        if token.user_type == ban_list.user_type:
            if isinstance(token, EmployeeTokenObject):
                raise HTTPException(
                    status_code=status.HTTP_406_NOT_ACCEPTABLE,
                    detail="No employee can reach this event. An notification is send to admin about event registration",
                )
            if isinstance(token, OccupantTokenObject):
                raise HTTPException(
                    status_code=status.HTTP_406_NOT_ACCEPTABLE,
                    detail="No occupant can reach this event. An notification is send to admin about event registration",
                )