// Licensed to Cloudera, Inc. under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  Cloudera, Inc. licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import { useLayoutEffect, useRef, useState } from 'react';

type ObserverRect = Omit<DOMRectReadOnly, 'toJSON'>;

const useResizeObserver = (): [React.RefObject<HTMLDivElement>, ObserverRect] => {
  const ref = useRef<HTMLDivElement>(null);
  const [rect, setRect] = useState<ObserverRect>({
    x: 0,
    y: 0,
    width: 0,
    height: 0,
    top: 0,
    right: 0,
    bottom: 0,
    left: 0
  });

  const handleResize = (entries: ResizeObserverEntry[]) => {
    const boundingRect = entries[0].contentRect;
    setRect(boundingRect);
  };

  useLayoutEffect(() => {
    const observer = new ResizeObserver(handleResize);
    if (ref.current) {
      observer.observe(ref.current);
    }

    return () => {
      observer.disconnect();
    };
  }, [ref]);

  return [ref, rect];
};

export default useResizeObserver;