import inspect
import logging
from abc import ABC

from flask import Blueprint
from flask.blueprints import BlueprintSetupState

from starfall.types import SnapshotQueue


class BaseBlueprint(ABC):
    def __init__(self, blueprint: Blueprint):
        blueprint.record(self.on_blueprint_setup)

        if type(self) != BaseBlueprint:  # noqa: E721
            self._debug("Attaching blueprint of type %r to web service", type(self))

    def on_blueprint_setup(self, state: BlueprintSetupState):
        self.queue: SnapshotQueue = state.options["options"]["queue"]

        if type(self) != BaseBlueprint:  # noqa: E721
            self._info("Blueprint of type %r successfully set up", type(self))

    def _log_access(self):
        # There is always a previous frame - This function is called when a
        # route is accessed by a user through a method unknown to this one.
        self._info("Route access: %r", inspect.currentframe().f_back.f_code.co_name)

    def _debug(self, msg: str, *args: object):
        logging.getLogger("web").debug(msg, *args)

    def _info(self, msg: str, *args: object):
        logging.getLogger("web").info(msg, *args)

    def _warn(self, msg: str, *args: object):
        logging.getLogger("web").warning(msg, *args)

    def _crit(self, msg: str, *args: object):
        logging.getLogger("web").critical(msg, *args)