"""
WebSocket server for real-time status streaming.

Provides live updates of machine state and job progress.
Requires: pip install cnckit[websocket]
"""


class WebSocketServer:
    """
    WebSocket server for real-time cnckit updates.

    Streams machine state, job progress, and events to connected clients.

    Raises:
        ImportError: If websockets is not installed
    """

    def __init__(self, host: str = "localhost", port: int = 8765):
        """
        Initialize WebSocket server.

        Args:
            host: Host to bind to
            port: Port to listen on
        """
        try:
            import websockets  # noqa: F401
        except ImportError:
            raise ImportError(
                "websockets is required for WebSocket integration. "
                "Install with: pip install cnckit[websocket]"
            )

        raise NotImplementedError(
            "WebSocket integration will be implemented in Phase 2"
        )
