import React, { PureComponent } from 'react';
import PropTypes from 'prop-types';
import Hls from 'hls.js';
import styles from './index.less';

export default class RBVideoPlayer extends PureComponent {
  static propTypes = {
    url: PropTypes.string.isRequired,
    autoplay: PropTypes.bool,
    hlsConfig: PropTypes.object, // https://github.com/dailymotion/hls.js/blob/master/API.md#fine-tuning
    controls: PropTypes.bool,
    width: PropTypes.oneOfType([
      PropTypes.number,
      PropTypes.string,
    ]),
    height: PropTypes.oneOfType([
      PropTypes.number,
      PropTypes.string,
    ]),
    poster: PropTypes.string,
    videoProps: PropTypes.object,
  };
  static defaultProps = {
    autoplay: false,
    hlsConfig: {},
    controls: true,
    width: 500,
    height: 375,
  };
  constructor(props) {
    super(props);
    this.state = {
      playerId: Date.now(),
    };
    this.hls = null;
  }
  componentDidUpdate() {
    if (this.props.isM3U8) {
      this._initPlayer();
    }
  }
  componentDidMount() {
    if (this.props.isM3U8) {
      this._initPlayer();
    }
  }
  componentWillUnmount() {
    if (this.hls) {
      this.hls.destroy();
    }
  }
  _initPlayer() {
    if (this.hls) {
      this.hls.destroy();
    }
    const { url, autoplay, hlsConfig } = this.props;
    const { video: $video } = this.refs;
    const hls = new Hls(hlsConfig);
    hls.loadSource(url);
    hls.attachMedia($video);
    hls.on(Hls.Events.MANIFEST_PARSED, () => {
      if (autoplay) {
        $video.play();
      }
    });
    this.hls = hls;
  }

  render() {
    const { playerId } = this.state;
    const { url, controls, width, height, poster, videoProps } = this.props;

    return (
      <div key={playerId} className={styles.playerArea}>
        <video
          ref="video"
          className={styles.hlsVideo}
          id={`react-hls-${playerId}`}
          controls={controls}
          width={width}
          height={height}
          src={url}
          poster={poster}
          {...videoProps}
        />
      </div>
    );
  }
}