import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';

class App extends Component {
  state = {
    name: '',
    users: ['bob']
  }

  handleSubmit = (event) => {
    event.preventDefault()
    this.setState({
      name: '',
      users: [...this.state.users, this.state.name]
    })
  }

  handleChange = (event) => {
    this.setState({
      name: event.target.value
    })
  }

  render() {
    let users = this.state.users.map(user => <li>{user}</li>)
    return (
      <div>
        <h1>{this.state.title}</h1>
        <div> Name: {this.state.name} </div>
        <form onSubmit={this.handleSubmit}>
          <input value={this.state.name} onChange={this.handleChange}/>
          <input type='submit'/>
        </form>
        <ul>
          {users}
        </ul>
      </div>
    )
  }
}

export default App