"""Robin Stocks authentication management."""

from dataclasses import dataclass, field
from typing import Any

from open_stocks_mcp.logging_config import logger

from .config import RobinhoodConfig


@dataclass
class RobinhoodAuth:
    """Robin Stocks authentication manager."""

    config: RobinhoodConfig = field(default_factory=lambda: RobinhoodConfig())
    _authenticated: bool = field(default=False, init=False)
    _session_info: dict[str, Any] | None = field(default=None, init=False)

    async def authenticate(self) -> bool:
        """
        Authenticate with Robinhood API.

        Returns:
            bool: True if authentication successful, False otherwise
        """
        # TODO: Implement authentication logic
        logger.info("Starting Robinhood authentication")
        raise NotImplementedError("Authentication logic not implemented")

    async def logout(self) -> bool:
        """
        Logout from Robinhood API.

        Returns:
            bool: True if logout successful, False otherwise
        """
        # TODO: Implement logout logic
        logger.info("Logging out from Robinhood")
        raise NotImplementedError("Logout logic not implemented")

    def is_authenticated(self) -> bool:
        """Check if currently authenticated."""
        # TODO: Implement authentication status check
        raise NotImplementedError("Authentication status check not implemented")

    async def ensure_authenticated(self) -> bool:
        """
        Ensure the client is authenticated, authenticate if needed.

        Returns:
            bool: True if authenticated, False if authentication failed
        """
        # TODO: Implement authentication check with auto-login
        raise NotImplementedError("Auto-authentication not implemented")

    async def get_account_info(self) -> dict[str, Any] | None:
        """
        Get basic account information.

        Returns:
            dict: Account information or None if not authenticated
        """
        # TODO: Implement account info retrieval
        raise NotImplementedError("Account info retrieval not implemented")


# Global authentication instance
_robinhood_auth: RobinhoodAuth | None = None


def get_robinhood_client() -> RobinhoodAuth:
    """
    Get the global Robinhood authentication instance.

    Returns:
        RobinhoodAuth: The global authentication instance
    """
    global _robinhood_auth
    if _robinhood_auth is None:
        _robinhood_auth = RobinhoodAuth()
    return _robinhood_auth
