/**
 * Body video block.
 * @module components/manage/Blocks/Video/Body
 */

import React from 'react';
import PropTypes from 'prop-types';
import { FormattedMessage } from 'react-intl';
import { Embed, Message } from 'semantic-ui-react';
import cx from 'classnames';
import { isInternalURL, flattenToAppURL } from '@plone/volto/helpers/Url/Url';
import { ConditionalEmbed } from '../../../../../';

//Extracting videoID, listID and thumbnailURL from the video URL
const getVideoIDAndPlaceholder = (url) => {
  let videoID = null;
  let listID = null;
  let thumbnailURL = null;

  if (url) {
    if (url.match('youtu')) {
      if (url.match('list')) {
        const matches = url.match(/^.*\?list=(.*)|^.*&list=(.*)$/);
        listID = matches[1] || matches[2];

        let thumbnailID = null;
        if (url.match(/\?v=(.*)&list/)) {
          thumbnailID = url.match(/^.*\?v=(.*)&list(.*)/)[1];
        }
        if (url.match(/\?v=(.*)\?list/)) {
          thumbnailID = url.match(/^.*\?v=(.*)\?list(.*)/)[1];
        }
        thumbnailURL =
          'https://img.youtube.com/vi/' + thumbnailID + '/sddefault.jpg';
      } else if (url.match('live')) {
        videoID = url.match(/^.*\/live\/(.*)/)[1];
      } else if (url.match(/\.be\//)) {
        videoID = url.match(/^.*\.be\/(.*)/)[1];
      } else if (url.match(/\?v=/)) {
        videoID = url.match(/^.*\?v=(.*)$/)[1];
      }

      if (videoID) {
        let thumbnailID = videoID;
        if (videoID.match(/\?si=/)) {
          thumbnailID = videoID.match(/(.*)\?si=(.*)/)[1];
        }
        //load video preview image from youtube
        thumbnailURL =
          'https://img.youtube.com/vi/' + thumbnailID + '/sddefault.jpg';
      }
    } else if (url.match('vimeo')) {
      videoID = url.match(/^.*\.com\/(.*)/)[1];
      if (videoID) {
        let thumbnailID = videoID;
        if (videoID.match(/\?si=/)) {
          thumbnailID = videoID.match(/(.*)\?si=(.*)/)[1];
        }
        thumbnailURL = 'https://vumbnail.com/' + thumbnailID + '.jpg';
      }
    }
  }
  return { videoID, listID, thumbnailURL };
};

/**
 * Body video block class.
 * @class Body
 * @extends Component
 */
const Body = ({ data, isEditMode }) => {

  const gdprPreferences = useSelector(
    (state) => {
      return state.gdprPrivacyConsent ? state.gdprPrivacyConsent?.preferences : [];
    },
  ); 

  const embedAllowed =
    gdprPreferences !== undefined &&
    (gdprPreferences?.prof_VIMEO === true ||
      gdprPreferences?.prof_YOUTUBE === true);

  let placeholder = data.preview_image
    ? isInternalURL(data.preview_image)
      ? `${flattenToAppURL(data.preview_image)}/@@images/image`
      : data.preview_image
    : null;

  const { videoID, listID, thumbnailURL } = getVideoIDAndPlaceholder(data.url);
  placeholder = !placeholder ? thumbnailURL : placeholder;
  const ref = React.createRef();
  const onKeyDown = (e) => {
    if (e.nativeEvent.keyCode === 13) {
      ref.current.handleClick();
    }
  };

  const embedSettings = {
    placeholder: placeholder,
    icon: 'play',
    defaultActive: false,
    autoplay: false,
    aspectRatio: '16:9',
    tabIndex: 0,
    onKeyPress: onKeyDown,
    ref: ref,
  };

  return (
    <>
      {data.url && (
        <div
          className={cx('video-inner', {
            'full-width': data.align === 'full',
          })}
        >
          <ConditionalEmbed url={data.url}>
            {embedAllowed && (data.url.match('youtu') ? (
              <>
                {data.url.match('list') ? (
                  <Embed
                    url={`https://www.youtube.com/embed/videoseries?list=${listID}`}
                    {...embedSettings}
                  />
                ) : (
                  <Embed id={videoID} source="youtube" {...embedSettings} />
                )}
              </>
            ) : (
              <>
                {embedAllowed && (data.url.match('vimeo') ? (
                  <Embed id={videoID} source="vimeo" {...embedSettings} />
                ) : (
                  <>
                    {data.url.match('.mp4') ? (
                      // eslint-disable-next-line jsx-a11y/media-has-caption
                      <video
                        src={
                          isInternalURL(data.url)
                            ? data.url.includes('@@download')
                              ? data.url
                              : `${flattenToAppURL(data.url)}/@@download/file`
                            : data.url
                        }
                        controls
                        poster={placeholder}
                        type="video/mp4"
                      />
                    ) : isEditMode ? (
                      <div>
                        <Message>
                          <center>
                            <FormattedMessage
                              id="Please enter a valid URL by deleting the block and adding a new video block."
                              defaultMessage="Please enter a valid URL by deleting the block and adding a new video block."
                            />
                          </center>
                        </Message>
                      </div>
                    ) : (
                      <div className="invalidVideoFormat" />
                    )}
                  </>
                ))}
              </>
            ))}
          </ConditionalEmbed>
        </div>
      )}
    </>
  );
};

/**
 * Property types.
 * @property {Object} propTypes Property types.
 * @static
 */
Body.propTypes = {
  data: PropTypes.objectOf(PropTypes.any).isRequired,
};

export default Body;