"""Team repository interface."""
from abc import ABC, abstractmethod
from typing import List, Optional

from src.domain.entities import NHLTeam


class TeamRepository(ABC):
    """Abstract interface for NHL team data access."""

    @abstractmethod
    async def get_team_by_id(self, team_id: str) -> Optional[NHLTeam]:
        """Retrieves a team by its unique identifier."""
        pass

    @abstractmethod
    async def get_all_teams(self) -> List[NHLTeam]:
        """Retrieves all NHL teams."""
        pass

    @abstractmethod
    async def get_teams_by_division(self, division: str) -> List[NHLTeam]:
        """Retrieves all teams in a specific division."""
        pass

    @abstractmethod
    async def get_teams_by_conference(self, conference: str) -> List[NHLTeam]:
        """Retrieves all teams in a specific conference."""
        pass