import { useState, useEffect, useCallback } from 'react';
import { useSocket } from '../contexts/SocketContext';

export const useWebSocket = (eventHandlers = {}) => {
  const { socket, isConnected } = useSocket();
  const [lastMessage, setLastMessage] = useState(null);

  useEffect(() => {
    if (!socket) return;

    // Set up event listeners
    Object.entries(eventHandlers).forEach(([event, handler]) => {
      socket.on(event, handler);
    });

    // Clean up event listeners
    return () => {
      Object.keys(eventHandlers).forEach(event => {
        socket.off(event);
      });
    };
  }, [socket, eventHandlers]);

  const sendMessage = useCallback((event, data) => {
    if (socket && isConnected) {
      socket.emit(event, data);
    }
  }, [socket, isConnected]);

  const subscribe = useCallback((event, callback) => {
    if (socket) {
      socket.on(event, callback);
    }
  }, [socket]);

  const unsubscribe = useCallback((event, callback) => {
    if (socket) {
      socket.off(event, callback);
    }
  }, [socket]);

  return {
    socket,
    isConnected,
    sendMessage,
    subscribe,
    unsubscribe,
    lastMessage
  };
};