"""Base protocol for platform fetchers."""

from typing import Dict, List, Protocol


class PlatformFetcher(Protocol):
    """Fetch posts for one configured platform/community."""

    name: str

    def fetch_posts(
        self,
        start_date: str,
        end_date: str,
        community: str,
        max_posts: int,
    ) -> List[Dict]:
        """Return posts normalized to the existing collection schema."""