import { h, Component } from 'preact'
import { bindActionCreators } from 'redux'
import { Link } from 'react-router-dom';
import { connect } from 'react-redux'
import util from '../../../util'

import * as samplernnActions from '../samplernn.actions'
import * as audioPlayerActions from '../../../common/audioPlayer/audioPlayer.actions'

import Loading from '../../../common/loading.component'
import { FileList, FileRow } from '../../../common/fileList.component'

class SampleRNNResults extends Component {
  constructor(props){
    super()
    if (!props.samplernn.data) props.actions.load_directories()
  }
  render(){
    if (this.props.samplernn.loading) return <Loading progress={this.props.samplernn.progress} />
    const { folderLookup, fileLookup, datasetLookup } = this.props.samplernn.data
    // const { folderLookup } = samplernn

    const renders = Object.keys(folderLookup).sort(util.sort.stringSort.asc).map(key => {
      const folder = folderLookup[key]
      let { mapFn, sortFn } = util.sort.orderByFn('epoch desc')
      const datasetPairs = folder.datasets.map(name => datasetLookup[name]).map(mapFn).sort(sortFn)
      const bestRenders = datasetPairs
        .map(pair => pair[1])
        .filter(dataset => dataset.output.length)
        .map(dataset => {
          const { output } = dataset
          return output.map(id => fileLookup[id]).map(mapFn).sort(sortFn)[0][1]
        })
      // console.log(bestRenders.map(r => r.epoch))
      const path = folder.name === 'unsorted'
        ? "/samplernn/import/"
        : "/samplernn/datasets/" + folder.id + "/"
      return (
        <div className='col bestRenders'>
          <h3><Link to={path}>{folder.name}</Link></h3>
          <FileList
            files={bestRenders}
            orderBy='date desc'
            fields={'name date epoch size'}
            onClick={(file, e) => {
              e.preventDefault()
              e.stopPropagation()
              console.log('picked a file', file)
              this.handlePick(file)
            }}
          />
        </div>
      )
    })

    return (
      <div className='app samplernn'>
        <div className='heading row middle'>
          <h1>SampleRNN Results</h1>
          <Link to='/samplernn/new/'>new project</Link>
        </div>
        <div class='rows params renders'>
          {renders}
        </div>
      </div>
    )
  }
  handlePick(file){
    this.props.audioPlayer.play(file)
  }
}

const mapStateToProps = state => ({
  samplernn: state.module.samplernn,
  runner: state.system.runner,
  task: state.task,
})

const mapDispatchToProps = (dispatch, ownProps) => ({
  actions: bindActionCreators(samplernnActions, dispatch),
  audioPlayer: bindActionCreators(audioPlayerActions, dispatch),
})

export default connect(mapStateToProps, mapDispatchToProps)(SampleRNNResults)