import asyncio
import logging
import grpc

class GRPCConnector:
    def __init__(self, node_id: str, host: str = "localhost", port: int = 50051):
        self.node_id = node_id
        self.host = host
        self.port = port
        self.channel = None
        self.logger = logging.getLogger(__name__)

    async def initialize(self):
        """Initialize gRPC channel and connections"""
        try:
            self.channel = grpc.aio.insecure_channel(f"{self.host}:{self.port}")
            self.logger.info(f"Initialized gRPC connector for node {self.node_id}")
            return True
        except Exception as e:
            self.logger.error(f"Failed to initialize gRPC connector: {e}")
            return False

    async def receive_message(self):
        """Receive messages from the gRPC channel"""
        try:
            # Placeholder for actual message reception logic
            return None
        except Exception as e:
            self.logger.error(f"Error receiving message: {e}")
            return None

    async def send_message(self, message: dict):
        """Send messages through the gRPC channel"""
        try:
            # Placeholder for actual message sending logic
            self.logger.info(f"Sending message: {message}")
            return True
        except (grpc.RpcError, ConnectionError) as e:
            self.logger.error(f"Error sending message: {e}")
            return False

    async def shutdown(self):
        """Close gRPC channel and cleanup"""
        if self.channel:
            await self.channel.close()
            self.logger.info("gRPC channel closed")
