"""Session manager for AiderService."""

import uuid
from typing import Dict, Optional

from app.services.aider_service import AiderService


class SessionManager:
    """Session manager for AiderService."""

    def __init__(self) -> None:
        """Initialize the session manager."""
        self.sessions: Dict[str, AiderService] = {}

    async def create_session(self, repo_url: Optional[str] = None) -> str:
        """Create a new session and return its ID.

        Args:
            repo_url: Optional URL to a git repository to clone. If provided,
                     the repository will be cloned instead of initializing an empty repo.

        Returns:
            The session ID as a string.
        """
        session_id = str(uuid.uuid4())
        aider_service = AiderService()
        await aider_service.initialize(repo_url=repo_url)
        await aider_service.start_aider()
        self.sessions[session_id] = aider_service
        return session_id

    def get_session(self, session_id: str) -> Optional[AiderService]:
        """Get an existing session by ID."""
        return self.sessions.get(session_id)

    async def cleanup_session(self, session_id: str) -> None:
        """Clean up a session and remove it from the manager."""
        if session_id in self.sessions:
            await self.sessions[session_id].cleanup()
            del self.sessions[session_id]

    async def cleanup_all_sessions(self) -> None:
        """Clean up all sessions."""
        for session_id in list(self.sessions.keys()):
            await self.cleanup_session(session_id)


session_manager = SessionManager()