from fastapi import FastAPI, WebSocket, WebSocketDisconnect
from typing import List

class ConnectionManager:
    def __init__(self):
        self.active_connections: List[WebSocket] = []

    async def connect(self, websocket: WebSocket):
        self.active_connections.append(websocket)

    async def disconnect(self, websocket: WebSocket):
        if websocket in self.active_connections:
            self.active_connections.remove(websocket)

    async def broadcast_raw(self, data: bytes):
        for connection in self.active_connections:
            try:
                await connection.send_bytes(data)
            except WebSocketDisconnect:
                await self.disconnect(connection)
            except Exception as e:
                print(f"Error sending to client: {e}")