import React, { Component } from 'react';
import { Slider } from 'antd';
import './index.less';
import videojs from 'video.js';
import Assets from '@src/components/Assets';
import { generateUUID, formatSecondAuto } from '@src/services/Tools';

function fullScreen(id) {
  const element = document.getElementById(id);
  if (element.requestFullscreen) {
    element.requestFullscreen();
  } else if (element.msRequestFullscreen) {
    element.msRequestFullscreen();
  } else if (element.mozRequestFullScreen) {
    element.mozRequestFullScreen();
  } else if (element.webkitRequestFullscreen) {
    element.webkitRequestFullscreen();
  }
}

function exitFullscreen() {
  if (document.exitFullscreen) {
    document.exitFullscreen();
  } else if (document.msExitFullscreen) {
    document.msExitFullscreen();
  } else if (document.mozCancelFullScreen) {
    document.mozCancelFullScreen();
  } else if (document.webkitExitFullscreen) {
    document.webkitExitFullscreen();
  }
}

let fullAgent = null;

document.addEventListener('fullscreenchange', () => {
  if (fullAgent) fullAgent();
});

/* Firefox */
document.addEventListener('mozfullscreenchange', () => {
  if (fullAgent) fullAgent();
});

/* Chrome, Safari and Opera */
document.addEventListener('webkitfullscreenchange', () => {
  if (fullAgent) fullAgent();
});

/* IE / Edge */
document.addEventListener('msfullscreenchange', () => {
  if (fullAgent) fullAgent();
});

export default class Video extends Component {
  constructor(props) {
    super(props);
    this.ready = false;
    this.state = { id: generateUUID(8), playing: false, fulling: false, progress: 0, speed: 1 };
  }

  componentDidMount() {
    this.player = videojs(
      this.videoNode,
      {
        controls: true,
        sources: [
          {
            src: this.props.src,
            type: 'video/mp4',
          },
        ],
        width: this.props.width,
        height: this.props.height,
      },
      () => {
        this.ready = true;
      },
    );
  }

  componentWillUnmount() {
    if (this.player) {
      this.player.dispose();
    }
  }

  clearTimeUpdate() {
    if (this.timeInterval) {
      clearInterval(this.timeInterval);
      this.timeInterval = null;
    }
  }

  refreshTimeUpdate() {
    if (this.timeInterval) {
      clearInterval(this.timeInterval);
      this.timeInterval = null;
    }
    this.timeInterval = setInterval(() => {
      const { onTimeUpdate } = this.props;
      if (onTimeUpdate) onTimeUpdate(this.player.currentTime());
      this.setState({ progress: this.player.currentTime() * 100 / this.player.duration() });
    }, 1000);
  }

  onChangeProgress(value) {
    if (!this.ready) return;
    this.player.currentTime((this.player.duration() * value) / 100);
    this.setState({ progress: (this.player.currentTime() * 100) / this.player.duration() });
    const { onChangeProgress } = this.props;
    const { playing } = this.state;
    if (!playing) {
      this.player.pause();
    }
    if (onChangeProgress) onChangeProgress(this.player.currentTime());
  }

  onPlay() {
    if (!this.ready) return;
    const { onPlay } = this.props;
    this.player.play();
    this.setState({ playing: true });
    if (onPlay) onPlay(this.player.currentTime());
    this.refreshTimeUpdate();
  }

  onPause() {
    if (!this.ready) return;
    const { onPause } = this.props;
    this.player.pause();
    this.setState({ playing: false });
    if (onPause) onPause(this.player.currentTime());
    this.clearTimeUpdate();
  }

  onNext() {
    const { onNext } = this.props;
    this.player.pause();
    this.clearTimeUpdate();
    this.setState({ playing: false });
    if (onNext) onNext();
  }

  onSpeed(speed) {
    this.player.playbackRate(speed);
    this.setState({ selectSpeed: false, speed });
  }

  selectSpeed(value) {
    this.setState({ selectSpeed: value });
  }

  onFullChange() {
    this.setState({ fulling: !this.state.fulling });
    if (this.props.onFullChange) this.props.onFullChange();
  }

  onFull() {
    fullAgent = () => this.onFullChange();
    fullScreen(this.state.id);
  }

  onExitFull() {
    exitFullscreen();
  }

  showProgressTip(e) {
    let x = e.clientX;
    const percent = x * 100 / this.progress.clientWidth;
    const text = percent > 0 ? formatSecondAuto(percent * this.player.duration() / 100) : '00:00';
    const width = text.length > 5 ? 67.8 : 47.3;
    x += 1;
    x -= width / 2;
    if (x < 0) {
      x = 0;
    } else if (x + width > this.progress.clientWidth) {
      x = this.progress.clientWidth - width;
    }
    this.setState({ pt: { left: x, display: 'block', text, width } });
  }

  hideProgressTip() {
    this.setState({ pt: {} });
  }

  render() {
    const { btnList = [], children, onAction, hideAction, water } = this.props;
    const { playing, fulling, id, selectSpeed, speed } = this.state;
    return (
      <div id={id} className={`video-item ${!hideAction ? 'action' : ''} ${fulling ? 'full' : ''}`}>
        <div className="video-wrapper c-p" onClick={() => {
          return playing ? this.onPause() : this.onPlay();
        }}>
          <video
            ref={node => {
              this.videoNode = node;
            }}
          // vjs-fluid
          />
          {water}
          {!playing && <Assets className="play c-p" name="play" />}
          {playing && <Assets className="stop c-p" name="stop" />}
        </div>
        <div className="video-bottom">
          {/* <div className="progress" /> */}
          {this.renderProgress()}
          {!hideAction && (
            <div className="action-bar">
              <div className="d-i-b m-r-1">
                <Assets
                  name={!playing ? 'play2' : 'stop2'}
                  onClick={() => (playing ? this.onPause() : this.onPlay())}
                />
                {/* {playing && <Assets name="stop2" onClick={() => this.onPause()} />} */}
              </div>
              <div className="d-i-b m-r-1">
                <Assets name="next2" onClick={() => this.onNext()} />
              </div>
              <div className="m-r-1 c-w">{this.ready ? (formatSecondAuto(this.player.currentTime())) : ('00:00')}</div>
              <div className="m-r-1 c-w">/</div>
              <div className="m-r-1 c-w">{this.ready ? (formatSecondAuto(this.player.duration())) : ('00:00')}</div>
              <div className="flex-block" />
              {btnList.map(btn => {
                if (btn.full && !fulling) return '';
                if (!btn.show) return '';
                return (
                  <div className="d-i-b m-r-1">
                    {btn.render ? (
                      <div
                        className="fix-btn-action d-i-b"
                        onClick={() => {
                          if (btn.pause) this.onPause();
                          if (onAction) onAction(btn.key);
                        }}
                      >
                        {btn.render(btn.active)}
                      </div>
                    ) : (<div
                      className={`btn-action ${btn.active ? 'active' : ''}`}
                      onClick={() => onAction && onAction(btn.key)}
                    >{btn.title}</div>)}
                  </div>
                );
              })}
              <div className="d-i-b m-r-1">
                <div className={`btn-action ${selectSpeed ? 'active' : ''}`} onClick={() => this.selectSpeed(!selectSpeed)}>
                  倍速
                </div>
              </div>
              <div className="d-i-b">
                {!fulling && <Assets name="full2" onClick={() => this.onFull()} />}
                {fulling && <Assets name="reduction2" onClick={() => this.onExitFull()} />}
              </div>
            </div>
          )}
        </div>
        {selectSpeed && (
          <div className="select-speed">
            <div className={`item ${speed === 0.5 ? 'active' : ''}`} onClick={() => this.onSpeed(0.5)}>
              0.5
            </div>
            <div className={`item ${speed === 0.75 ? 'active' : ''}`} onClick={() => this.onSpeed(0.75)}>
              0.75
            </div>
            <div className={`item ${speed === 1 ? 'active' : ''}`} onClick={() => this.onSpeed(1)}>
              正常
            </div>
            <div className={`item ${speed === 1.25 ? 'active' : ''}`} onClick={() => this.onSpeed(1.25)}>
              1.25
            </div>
            <div className={`item ${speed === 1.5 ? 'active' : ''}`} onClick={() => this.onSpeed(1.5)}>
              1.5
            </div>
            <div className={`item ${speed === 2.0 ? 'active' : ''}`} onClick={() => this.onSpeed(2)}>
              2.0
            </div>
          </div>
        )}
        {children}
      </div>
    );
  }

  renderProgress() {
    const { hideProgress } = this.props;
    const { progress, pt = {} } = this.state;
    return (
      !hideProgress && (
        <div ref={ref => { if (ref) this.progress = ref; }} onMouseMove={(e) => this.showProgressTip(e)} onMouseLeave={() => this.hideProgressTip()}><Slider value={progress || 0} step={0.01} tooltipVisible={false} onChange={value => this.onChangeProgress(value)} /><div className={'show-progress-tip'} style={{ ...pt }}>{pt.text}</div></div>
      )
    );
  }
}