"""User service module."""

from typing import Any, Dict, List, Optional

from sqlalchemy.orm import Session

from src.models.user import User
from src.schemas.user import UserCreate, UserResponse


class UserService:
    """User service for managing user operations."""

    def __init__(self, db: Session):
        """Initialize user service.

        Args:
            db: Database session
        """
        self.db = db

    async def create_user(self, user: UserCreate) -> UserResponse:
        """Create a new user.

        Args:
            user: User creation data

        Returns:
            Created user response
        """
        # Stub implementation
        return UserResponse(
            id="stub-id",
            email=user.email,
            is_active=True,
            created_at=None,
            updated_at=None,
        )

    async def get_user_by_id(self, user_id: str) -> Optional[UserResponse]:
        """Get user by ID.

        Args:
            user_id: User ID

        Returns:
            User response or None
        """
        # Stub implementation
        return None

    async def get_user_by_email(self, email: str) -> Optional[UserResponse]:
        """Get user by email.

        Args:
            email: User email

        Returns:
            User response or None
        """
        # Stub implementation
        return None

    async def update_user(
        self, user_id: str, user_data: Dict[str, Any]
    ) -> Optional[UserResponse]:
        """Update user.

        Args:
            user_id: User ID
            user_data: User data to update

        Returns:
            Updated user response or None
        """
        # Stub implementation
        return None

    async def delete_user(self, user_id: str) -> bool:
        """Delete user.

        Args:
            user_id: User ID

        Returns:
            True if deleted, False otherwise
        """
        # Stub implementation
        return True

    async def list_users(self, skip: int = 0, limit: int = 100) -> List[UserResponse]:
        """List users.

        Args:
            skip: Number of users to skip
            limit: Maximum number of users to return

        Returns:
            List of user responses
        """
        # Stub implementation
        return []
