from bbss.sizes import SizeListFile
import bbss.friends as friends
from bbss import DEFAULT_PATHS
from typing import Optional
from collections.abc import Sequence
import requests

class Site:
  def __init__(self, domain: str, path: Optional[str] = None, *, scheme: Optional[str] = None):
    base = (scheme if scheme is not None else "https") + "://" + domain

    hit_sizefile = False

    def check_sizefile(path: str) -> bool:
      return requests.head(base + path + "/sizes.txt").ok
    def check_defaultlist(path: str) -> bool:
      return requests.head(base + path + "/88x31/list.txt").ok

    def check_path(path: str):
      if check_sizefile(path):
        hit_sizefile = True
        return True
      elif check_defaultlist(path):
        return True

    if path is not None:
      if not check_path(path):
        raise Exception("No BBSS data found at user-supplied location!")
      else:
        self.default_path = False
    else:
      for potential in DEFAULT_PATHS:
        if check_path(potential):
          path = potential
          self.default_path = True
          break
      else:
        raise Exception("No BBSS data found at default locations!")

    self.root = base + path

    if hit_sizefile:
      self.has_sizes_txt = True
      self.sizes = SizeListFile.from_url(self.root + "/sizes.txt")
    else:
      self.has_sizes_txt = False
      self.sizes = SizeListFile("88x31", self.root)

    self.friends = friends.FriendListFile.from_url(self.root + "/friends.txt")

__all__ = ["Site"]