// Copyright 2017-2022 @polkadot/react-hooks authors & contributors
// SPDX-License-Identifier: Apache-2.0

import { useEffect, useState } from 'react';

import { createNamedHook } from './createNamedHook';

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

function useWindowSizeImpl (): WindowSize {
  const [windowSize, setWindowSize] = useState<WindowSize>({
    height: 0,
    width: 0
  });

  useEffect(() => {
    function handleResize () {
      setWindowSize({
        height: window.innerHeight,
        width: window.innerWidth
      });
    }

    window.addEventListener('resize', handleResize);
    handleResize();

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

  return windowSize;
}

export const useWindowSize = createNamedHook('useWindowSize', useWindowSizeImpl);