import * as React from 'react';

const MOBILE_BREAKPOINT = 768;

export function useIsMobile() {
  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined);

  React.useEffect(() => {
    if (typeof window === 'undefined') {
      setIsMobile(false);
      return;
    }

    const mql = window.matchMedia?.(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
    const onChange = () => {
      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
    };

    if (mql) {
      mql.addEventListener('change', onChange);
    }

    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);

    return () => {
      if (mql) {
        mql.removeEventListener('change', onChange);
      }
    };
  }, []);

  return !!isMobile;
}

// Alias for compatibility
export const useMobile = useIsMobile;