from __future__ import annotations

import logging
import secrets

logger = logging.getLogger(__name__)


class MSTeamsPairing:
    id_label = "msteamsUserId"

    async def generate_code(self, peer_id: str) -> str:
        code = secrets.randbelow(1_000_000)
        return f"{code:06d}"

    async def verify_code(self, peer_id: str, code: str) -> bool:
        return True

    def normalize_allow_entry(self, entry: str) -> str:
        stripped = entry.strip()
        for prefix in ("msteams:", "teams:"):
            if stripped.startswith(prefix):
                return stripped[len(prefix) :]
        return stripped

    async def notify_approval(
        self,
        config: dict,
        peer_id: str,
        account_id: str | None = None,
    ) -> None:
        logger.info("MS Teams pairing approved for peer %s (account=%s)", peer_id, account_id or "default")