import React, { useEffect, useState } from 'react';
import debounce from 'lodash/debounce';
import { fg } from '@atlaskit/platform-feature-flags';
// eslint-disable-next-line @atlaskit/design-system/no-emotion-primitives -- to be migrated to @atlaskit/primitives/compiled – go/akcss
import { Box, xcss } from '@atlaskit/primitives';
const MEDIA_BADGE_VISIBILITY_BREAKPOINT = 200;
const containerStyles = xcss({
  display: 'flex',
  position: 'absolute',
  top: 'space.0',
  right: 'space.0',
  // eslint-disable-next-line @atlaskit/design-system/use-tokens-typography
  lineHeight: "var(--ds-space-200, 16px)",
  gap: 'space.025',
  zIndex: 'card',
  height: 'fit-content',
  width: 'fit-content',
  margin: 'space.075'
});

// The above styles are used for both editor and renderer, and in renderer the
// document body is the main scroll area. This means it overscrolls the primary
// toolbar, where the z-index is "2". We have to hack in our own z-index less
// than that to ensure our badge appears under the toolbar when scrolled.
const hackedZIndexStyles = xcss({
  // @ts-ignore
  zIndex: '1'
});
const resizeOffsetStyles = xcss({
  right: 'space.150'
});
const getBadgeVisible = (width, height) => {
  return width && width < MEDIA_BADGE_VISIBILITY_BREAKPOINT || height && height < MEDIA_BADGE_VISIBILITY_BREAKPOINT ? false : true;
};
export const MediaBadges = ({
  children,
  mediaElement,
  mediaWidth,
  mediaHeight,
  extendedResizeOffset,
  useMinimumZIndex = false
}) => {
  const [visible, setVisible] = useState(getBadgeVisible(mediaWidth, mediaHeight));
  useEffect(() => {
    const observer = new ResizeObserver(debounce(entries => {
      const [entry] = entries;
      const {
        width,
        height
      } = entry.contentRect;
      setVisible(getBadgeVisible(width, height));
    }));
    if (mediaElement) {
      // Ignored via go/ees005
      // eslint-disable-next-line @atlaskit/editor/no-as-casting
      observer.observe(mediaElement);
    }
    return () => {
      observer.disconnect();
    };
  }, [mediaElement]);
  if (typeof children === 'function') {
    children = children({
      visible
    });
  }

  // delete this block on cleanup of media-perf-uplift-mutation-fix
  if (!fg('media-perf-uplift-mutation-fix')) {
    // becuase it is wrapped in a fragment, React.Children.count(children) will always be 1.
    // That makes this check a source of late mutations that we don't need.
    if (!mediaElement || React.Children.count(children) === 0) {
      return null;
    }
  }
  return /*#__PURE__*/React.createElement(Box, {
    as: "div",
    testId: "media-badges",
    "data-media-badges": "true",
    contentEditable: false
    // eslint-disable-next-line @atlassian/perf-linting/no-unstable-inline-props -- Ignored via go/ees017 (to be fixed)
    ,
    xcss: [containerStyles, useMinimumZIndex && hackedZIndexStyles, extendedResizeOffset && resizeOffsetStyles]
  }, children);
};