import { h, Component } from 'preact'
import { bindActionCreators } from 'redux'
import { connect } from 'react-redux'
import * as util from '../../../util'

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

import Loading from '../../../common/loading.component'
import DatasetForm from '../../../dataset/dataset.form'
import NewDatasetForm from '../../../dataset/dataset.new'
import UploadStatus from '../../../dataset/upload.status'
import { FileList, FileRow } from '../../../common/fileList.component'

import DatasetComponent from '../../../dataset/dataset.component'

import samplernnModule from '../samplernn.module'

class SampleRNNShow extends Component {
  constructor(props){
    super(props)
    this.datasetActions = this.datasetActions.bind(this)
  }
  componentWillMount(){
    const id = this.props.match.params.id || localStorage.getItem('samplernn.last_id')
    console.log('load dataset:', id)
    const { match, samplernn, actions } = this.props
    if (id === 'new') return
    if (id) {
      if (parseInt(id)) localStorage.setItem('samplernn.last_id', id)
      if (! samplernn.folder || samplernn.folder.id !== id) {
        actions.load_directories(id)
      }
    }
  }
  render(){
    const { samplernn, match, history } = this.props
    const { folderLookup } = (samplernn.data || {})
    const folder = (folderLookup || {})[samplernn.folder_id] || {}
    return (
      <div className='app samplernn'>
        <div class='heading'>
          <div class='spaced'>
            <h1>{folder ? folder.name : <Loading />}</h1>
            <UploadStatus />
          </div>
        </div>
        {folder && folder.name && folder.name !== 'unsorted' &&
          <DatasetForm
            title='Add Files'
            module={samplernnModule}
            folder={folder}
            canUpload canAddURL
          />
        }
        <DatasetComponent
          loading={samplernn.loading}
          progress={samplernn.progress}
          id={samplernn.folder_id}
          module={samplernnModule}
          data={samplernn.data}
          folder={folder}
          history={history}
          onPickFile={(file, e) => {
            e.preventDefault()
            e.stopPropagation()
            console.log('picked a file', file)
            this.handlePick(file)
          }}
          datasetActions={this.datasetActions}
        />
      </div>
    )
  }
  datasetActions(dataset, isFetching=false, isProcessing=false){
    const { samplernn, remote } = this.props
    const input = samplernn.data.fileLookup[dataset.input[0]]
    if (! input) return null
    if (input.name && input.name.match(/(gif|jpe?g|png)$/i)) return null
    return (
      <div>
        <div class={'actions'}>
          <span class='link' onClick={() => remote.train_task(dataset, samplernn.folder_id, 1)}>train</span>
          <span class='link' onClick={() => remote.train_task(dataset, samplernn.folder_id, 2)}>2x</span>
          <span class='link' onClick={() => remote.train_task(dataset, samplernn.folder_id, 4)}>4x</span>
          <span class='link' onClick={() => remote.train_task(dataset, samplernn.folder_id, 6)}>6x</span>
          <span class='link' onClick={() => remote.train_task(dataset, samplernn.folder_id, 18)}>18x</span>
        </div>
        {dataset.isBuilt
        ? <div class='subtext'>
            {'fetched '}
            <span class='link' onClick={() => remote.clear_cache_task(dataset)}>rm</span>
          </div>
        : isFetching
        ? <div class='subtext'>
            {'fetching'}
          </div>
        : <div class='subtext'>
            <span class='link' onClick={() => remote.fetch_task(input.url, input.id, dataset.name)}>fetch</span>
          </div>
        }
      </div>
    )
  }
  handlePick(file){
    this.props.audioPlayer.play(file)
  }
}

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

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

export default connect(mapStateToProps, mapDispatchToProps)(SampleRNNShow)