import React, { Component } from 'react'
import { Route } from 'react-router-dom'
import { bindActionCreators } from 'redux'
import { connect } from 'react-redux'

import './viewer.fonts.css'
import './viewer.css'
import './viewer.nav.css'
import './transcript/transcript.css'

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

import ViewerNav from './nav/viewer.nav'
import ViewerSections from './nav/viewer.sections'
import ViewerRouter from './nav/viewer.router'
import Player from './player/player.container'
import Transcript from './transcript/transcript.container'
import Checklist from './checklist/checklist.container'

class ViewerContainer 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() {
    const { loaded, viewer } = this.props
    if (!loaded) {
      return <div className='viewer loading'><Loader /></div>
    }
    let className = 'viewer'
    if (viewer.transcript) className += ' transcript-open'
    return (
      <div>
        <div className={className}>
          <div className='viewer-container'>
            <Player />
          </div>
          <ViewerNav />
          <ViewerSections />
          <Transcript />
          <Checklist />
          <Route exact path='/viewer/:component/' component={ViewerRouter} />
        </div>
      </div>
    )
  }
}

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

const mapDispatchToProps = dispatch => ({
  // alignActions: bindActionCreators({ ...alignActions }, dispatch),
})

export default connect(mapStateToProps, mapDispatchToProps)(ViewerContainer)