# ============================================================
# File: scraper/services/site_resolver.py
# Purpose:
#   Determine which BookSite implementation applies for a given URL.
#   This keeps INIT-flow and SCRAPE-flow site-agnostic.
# ============================================================

from scraper.sites import BookSite  # current PTWXZ implementation


class SiteResolver:
    """
    Resolves the correct BookSite class based on URL.
    Currently only PTWXZ/Piaotian is supported.
    """

    @staticmethod
    def resolve(url: str):
        # Later: add more domain rules for other sources
        return BookSite()