#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import logging
from typing import Optional

from praw.models import Submission

from bdfr.exceptions import NotADownloadableLinkError
from bdfr.resource import Resource
from bdfr.site_authenticator import SiteAuthenticator
from bdfr.site_downloaders.fallback_downloaders.fallback_downloader import BaseFallbackDownloader
from bdfr.site_downloaders.youtube import Youtube

logger = logging.getLogger(__name__)


class YtdlpFallback(BaseFallbackDownloader, Youtube):
    def __init__(self, post: Submission):
        super(YtdlpFallback, self).__init__(post)

    def find_resources(self, authenticator: Optional[SiteAuthenticator] = None) -> list[Resource]:
        logger.debug(f"YtdlpFallback processing URL: {self.post.url}")
        video_attrs = super().get_video_attributes(self.post.url)
        logger.debug(f"Video attributes: {video_attrs}")
        extension = video_attrs.get("ext", None)
        logger.debug(f"Using extension: {extension}")

        out = Resource(
            self.post,
            self.post.url,
            super()._download_video({}),
            extension,
        )
        logger.debug(f"Created resource with extension: {out.extension}")
        return [out]

    @staticmethod
    def can_handle_link(url: str) -> bool:
        try:
            attributes = YtdlpFallback.get_video_attributes(url)
        except NotADownloadableLinkError:
            return False
        if attributes:
            return True