import { useState, useEffect, useCallback } from 'react';

interface WindowSize {
  width: number;
  height: number;
}

export function useWindowSize() {
  const [windowSize, setWindowSize] = useState<WindowSize>({
    width: window.innerWidth,
    height: window.innerHeight,
  });

  const handleResize = useCallback(() => {
    setWindowSize({
      width: window.innerWidth,
      height: window.innerHeight,
    });
  }, []);

  useEffect(() => {
    window.addEventListener('resize', handleResize);
    return () => window.removeEventListener('resize', handleResize);
  }, [handleResize]);

  return windowSize;
}

export function useIsMobile() {
  const { width } = useWindowSize();
  return width < 768;
}