import { h, Component } from 'preact'
import { bindActionCreators } from 'redux'
import { connect } from 'react-redux'

import { actions, parser } from '../../api'
import * as taskActions from '../../task/task.actions'
import * as systemActions from '../../system/system.actions'

import Dataset from '../../dataset/dataset.component'

import Group from '../../common/group.component'
import Slider from '../../common/slider.component'
import Select from '../../common/select.component'
import Button from '../../common/button.component'
import FileList from '../../common/fileList.component'
import TextInput from '../../common/textInput.component'

class SampleRNNDatasets extends Component {
  constructor(props){
    super()
    // fetch file list
    this.fileOptions = this.fileOptions.bind(this)
    this.pickFile = this.pickFile.bind(this)
    props.actions.folder.index({ module: 'samplernn' })
    props.actions.file.index({ module: 'samplernn' })
  }
  pickFile(file){
    console.log('pick', file)
  }
  fileOptions(file){
    console.log(file)
    if (file.activity === 'url' && !file.dataset) {
      if (this.props.runner.cpu.status !== 'IDLE') {
        return (
          <div className='gray'>
            fetching...
          </div>
        )
      } else {
        return (
          <div className='link' onClick={() => this.fetchURL(file.url)}>
            fetch
          </div>
        )
      }
    }
    return (
      <div>
        <div className='link' onClick={() => this.train(file)}>train</div>
        {file.epoch == 0 && <div className='epochs'>{file.epochs} ep.</div>}
      </div>
    )
  }
  fetchURL(url) {
    console.log(url)
    this.props.actions.task.start_task({
      activity: 'fetch',
      module: 'samplernn',
      dataset: 'test',
      epochs: 1,
      opt: { url }
    }, { preempt: true, watch: true })
  }
  render(){
    const { samplernn } = this.props
    console.log(samplernn.upload)
    // sort files??
    const module = {
      name: 'samplernn',
      datatype: 'audio',
    }
    return (
      <div className='app'>
        <div className='heading'>
          <h3>SampleRNN</h3>
        </div>
        <Dataset
          canRename
          canUpload
          canAddURL
          canDeleteFile
          linkFiles
          fileOptions={this.fileOptions}
          onPick={this.handlePick}
          module={module}
          folder={samplernn.input.folder}
          files={samplernn.input.files}
        />
      </div>
    )
  }
}

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

const mapDispatchToProps = (dispatch, ownProps) => ({
  actions: {
    folder: bindActionCreators(actions.folder, dispatch),
    file: bindActionCreators(actions.file, dispatch),
    task: bindActionCreators(taskActions, dispatch),
    system: bindActionCreators(systemActions, dispatch),
  }
})

export default connect(mapStateToProps, mapDispatchToProps)(SampleRNNDatasets)