text: import _ from 'lodash';
  import React, { Component } from 'react';
  import ReactDOM from 'react-dom';
  import YTSearch from 'youtube-api-search';
  import SearchBar from './components/search_bar';
  import VideoList from './components/video_list';
  import VideoDetail from './components/video_detail';
  
  const API_KEY = 'AIzaSyCHhInvLeOACo-fJsJNPg5JOQ-T4osGhfw';
  
  class App extends Component {
    constructor(props) {
      super(props);
  
      this.state = {
        videos: [],
        selectedVideo: null
      };
  
      this.videoSearch('metallica');
    }
  
    videoSearch(term) {
      YTSearch({key: API_KEY, term: term}, (videos) => {
        this.setState({
          videos: videos,
          selectedVideo: videos[0]
        });
      });
    }
  
    render() {
      const videoSearch = _.debounce((term) => { this.videoSearch(term) }, 300);
  
      return (
        <div>
          <SearchBar onSearchTermChange={videoSearch} />
          <VideoDetail video={this.state.selectedVideo} />
          <VideoList
            onVideoSelect={selectedVideo => this.setState({selectedVideo})}
            videos={this.state.videos} />
        </div>
      );
    }
  }
  
  ReactDOM.render(<App />, document.querySelector('.container'));
  