import requests
from urllib.parse import urlparse, urlunparse, parse_qs
import re

from .exceptions import SponsorBlockError, SponsorBlockIdNotFoundError


def _get_video_id(i: str, silent: bool = False) -> None:
    # check with regex if i is already an id like r1Fa1iWJVEA
    if re.match(r"^[a-zA-Z0-9_-]{11}$", i):
        return i.strip()

    url = urlparse(url=i)

    if url.netloc == "youtu.be":
        return url.path[1:]

    type_frag_list = url.path.split("/")
            
    query_stuff = parse_qs(url.query)
    if "v" not in query_stuff:
        if not silent:
            raise SponsorBlockIdNotFoundError("No video id found in the url")
        return None
    else:
        return query_stuff["v"][0]


class SponsorBlock:
    def __init__(self, session: requests.Session = None, base_url: str = "https://sponsor.ajay.app"):
        self.base_url: str = base_url
        self.session: requests.Session = session or requests.Session()