import * as types from 'app/types'
import { store, history, dispatch } from 'app/store'

import { URLS } from 'app/constants'

const audioPlayer = document.createElement('audio')
// audioPlayer.volume = 0.0
audioPlayer.addEventListener('play', () => {
  dispatch({ type: types.audio.play })
})
audioPlayer.addEventListener('pause', () => {
  dispatch({ type: types.audio.pause })
})
audioPlayer.addEventListener('timeupdate', () => {
  dispatch({ type: types.audio.update_time, play_ts: audioPlayer.currentTime })
})

export const load = () => dispatch => {
  return new Promise((resolve, reject) => {
    audioPlayer.addEventListener('loadedmetadata', () => {
      // console.log('audio duration:', audioPlayer.duration)
      dispatch({ type: types.align.set_display_setting, key: 'duration', value: audioPlayer.duration })
      resolve()
    })
    audioPlayer.src = URLS.audio
  })
}
export const play = () => dispatch => {
  dispatch({ type: types.audio.play })
  audioPlayer.play()
}
export const pause = () => dispatch => {
  dispatch({ type: types.audio.pause })
  audioPlayer.pause()
}
export const seek = play_ts => dispatch => {
  audioPlayer.currentTime = play_ts
  dispatch({ type: types.audio.seek, seek_ts: audioPlayer.currentTime })
}
export const jump = delta_ts => dispatch => {
  audioPlayer.currentTime += delta_ts
  dispatch({ type: types.audio.seek, seek_ts: audioPlayer.currentTime })
}
export const toggle = () => dispatch => {
  if (store.getState().audio.playing) {
    pause()(dispatch)
  } else {
    play()(dispatch)
  }
}
export const setVolume = volume => dispatch => {
  audioPlayer.volume = volume
  dispatch({ type: types.audio.set_volume, volume })
}
export const setCC = value => dispatch => {
  dispatch({ type: types.audio.set_cc, value })
}