import React, { Component } from 'react'
import { connect } from 'react-redux'

import './paragraph.css'

import actions from 'app/actions'
import { Loader } from 'app/common'

import ParagraphEditor from './containers/paragraphEditor.container'

class ParagraphContainer extends Component {
  constructor(props) {
    super(props)
    this.handleKeyDown = this.handleKeyDown.bind(this)
  }
  componentDidMount() {
    document.addEventListener('keydown', this.handleKeyDown)
  }
  componentWillUnmount() {
    document.removeEventListener('keydown', this.handleKeyDown)
  }
  handleKeyDown(e) {
    if (document.activeElement !== document.body) {
      return
    }
    // console.log(e.keyCode)
    switch (e.keyCode) {
      case 32: // spacebar
        e.preventDefault()
        actions.audio.toggle()
        break
      case 37: // left
      case 38: // up
        e.preventDefault()
        actions.audio.jump(-5.0)
        break
      case 39: // right
      case 40: // down
        e.preventDefault()
        actions.audio.jump(5.0)
        break
    }
  }
  render() {
    if (!this.props.loaded) {
      return <div className='body loading'><Loader /></div>
    }
    return (
      <div className='body'>
        <ParagraphEditor />
      </div>
    )
  }
}

const mapStateToProps = state => ({
  loaded: !!state.annotation.index.lookup && !!state.paragraph.index.lookup && !!state.media.index.lookup
})

export default connect(mapStateToProps)(ParagraphContainer)