class App extends React.Component {
  constructor(props){
    super(props);
    this.handleGenerateQuote = this.handleGenerateQuote.bind(this);
    this.state = {
      quote: '',
      author: undefined,
      quotes: [
        {
          quote: "It never ceases to amaze me: we all love ourselves more than other people, but care more about their opinion than our own.", 
          author: "Marcus Aurelius"
        },
        {
          quote: "Choose not to be harmed — and you won’t feel harmed. Don’t feel harmed — and you haven’t been.", 
          author: "Marcus Aurelius"
        },
    {
          quote: "No person has the power to have everything they want, but it is in their power not to want what they don’t have, and to cheerfully put to good use what they do have.", 
          author: "Seneca"
        },
        {
          quote: "Nothing, to my way of thinking, is a better proof of a well ordered mind than a man’s ability to stop just where he is and pass some time in his own company.", 
          author: "Seneca"
        },
        {
          quote: "Don’t seek for everything to happen as you wish it would, but rather wish that everything happens as it actually will—then your life will flow well.", 
          author: "Epictetus"
        },
        {
          quote: "I begin to speak only when I’m certain what I’ll say isn’t better left unsaid.", 
          author: "Cato"
        },
        {
          quote: "When we are no longer able to change a situation, we are challenged to change ourselves.", 
          author: "Viktor Frankl"
        },
        {
          quote: "Curb your desire—don’t set your heart on so many things and you will get what you need.", 
          author: "Epictetus"
        },
        {
          quote: "First say to yourself what you would be; and then do what you have to do.", 
          author: "Epictetus"
        },
        {
          quote: "How does it help…to make troubles heavier by bemoaning them?", 
          author: "Seneca"
        },
        {
          quote: "I judge you unfortunate because you have never lived through misfortune. You have passed through life without an opponent—no one can ever know what you are capable of, not even you.", 
          author: "Seneca"
        },
        {
          quote: "Life is very short and anxious for those who forget the past, neglect the present, and fear the future.", 
          author: "Seneca"
        },
        {
          quote: "If anyone can refute me—show me I’m making a mistake or looking at things from the wrong perspective—I’ll gladly change. It’s the truth I’m after, and the truth never harmed anyone.", 
          author: "Marcus Aurelius"
        },
        {
          quote: "It’s time you realized that you have something in you more powerful and miraculous than the things that affect you and make you dance like a puppet.", 
          author: "Marcus Aurelius"
        },
        {
          quote: "The best revenge is not to be like your enemy.", 
          author: "Marcus Aurelius"
        }
      ]
    };
  }
  componentDidMount() {
    this.handleGenerateQuote();
  }
  handleGenerateQuote(){
    const randomNumber = Math.floor(Math.random() * this.state.quotes.length);
    this.setState({ 
      quote: this.state.quotes[randomNumber].quote, 
      author: this.state.quotes[randomNumber].author
    });
  }
  render() {
    return (
      <div class="wrapper">
        <div id="quote-box">
           <Header />
           <CurrentQuote quote={this.state.quote} author={this.state.author} />
           <Buttons handleGenerateQuote={this.handleGenerateQuote} quote={this.state.quote} author={this.state.author}/>
       </div>
     </div>
    );
  }
}

const Header = () => {
  return (
    <div>
      <h1>The Stoic Quote Machine</h1>
      <p>The Stoics knew what's what. If you're struggling to find your way in life, use this insightful device to generate a quote that will undoubtedly get you through the day.</p>
    </div>
  );
};

const CurrentQuote = (props) => {
  return (
    <div class="quote">
      <div id="text">"{props.quote}"</div>
      <div id="author">- {props.author}</div>
     </div>
  );
};

const Buttons = (props) => {
  return (
    <div class="buttons">
      <button id="new-quote" onClick={props.handleGenerateQuote}>New Quote</button>
      <a id="tweet-quote" href={'https://twitter.com/intent/tweet?text=' + props.quote} target="_blank">Tweet Quote</a>
    </div>
  );
}

ReactDOM.render(<App/>, document.getElementById('app'));