# -*- coding: utf-8 -*-
from __future__ import annotations

import dataclasses

from .types import PStrategy

DEFAULT_STRATEGY = 'hotpocket_backend.apps.bot.strategy.basic:BasicStrategy'
DEFAULT_BANNED_HOSTNAMES = [
    # YT returns dummy data when I try to fetch the page and extract
    # metadata. I'd have to use Google APIs for that and it's 11:30 PM...
    'youtube.com',
    'youtu.be',
    # Reddit's response is too generic to pull any useful info from it.
    # Since they forced Apollo to shut down, I refuse to even think about
    # interacting with their API :P.
    'reddit.com',
    # Twitter, amirite?
    'twitter.com',
    't.co',
    'x.com',
]


@dataclasses.dataclass(kw_only=True)
class Settings:
    STRATEGY: str
    BANNED_HOSTNAMES: list[str]

    def get_strategy(self, *, url: str) -> PStrategy:
        from hotpocket_common.loader import load_module_attribute

        strategy = load_module_attribute(self.STRATEGY)
        return strategy(url)


def from_django_settings() -> Settings:
    from django.conf import settings

    return Settings(
        STRATEGY=getattr(
            settings,
            'HOTPOCKET_BOT_STRATEGY',
            DEFAULT_STRATEGY,
        ),
        BANNED_HOSTNAMES=getattr(
            settings,
            'HOTPOCKET_BOT_BANNED_HOSTNAMES',
            DEFAULT_BANNED_HOSTNAMES,
        ),
    )


bot_settings: Settings = None  # type: ignore[assignment]