import * as types from 'app/types'
import { store, history, dispatch } from 'app/store'
import { api, post, pad, preloadImage } from 'app/utils'
import actions from 'app/actions'
// import { session } from 'app/session'
import throttle from 'lodash.throttle'
import debounce from 'lodash.debounce'

import { ZOOM_STEPS } from 'app/constants'
import { getFirstPunctuationMarkIndex, cutFirstSentence } from 'app/views/align/align.util'

export const setScrollPosition = start_ts => dispatch => (
  dispatch({ type: types.align.set_display_setting, key: 'start_ts', value: start_ts })
)

export const setZoom = zoom => dispatch => {
  if (0 <= zoom && zoom < ZOOM_STEPS.length) {
    dispatch({ type: types.align.set_display_setting, key: 'zoom', value: zoom })
  }
}
export const throttledSetZoom = throttle(zoom => dispatch => {
  setZoom(zoom)(dispatch)
}, 250, { leading: true })

export const setCursor = cursor_ts => dispatch => (
  dispatch({ type: types.align.set_display_setting, key: 'cursor_ts', value: cursor_ts })
)

export const setSelectedAnnotation = annotation => dispatch => {
  dispatch({ type: types.align.set_selected_annotation, data: annotation })
  debouncedUpdateAnnotation.flush()
}
export const clearSelectedAnnotation = () => dispatch => {
  dispatch({ type: types.align.clear_selected_annotation })
  debouncedUpdateAnnotation.flush()
}
export const updateSelectedAnnotation = annotation => dispatch => {
  dispatch({ type: types.align.set_selected_annotation, data: { ...annotation } })
  debouncedUpdateAnnotation(annotation)
}
export const debouncedUpdateAnnotation = debounce(annotation => {
  console.log('updating annotation', annotation)
  actions.annotation.update(annotation)
}, 2000, { leading: false, trailing: true })


export const setSelectedParagraph = paragraph_id => dispatch => {
  dispatch({ type: types.align.set_display_setting, key: 'selected_paragraph_id', value: paragraph_id })
}
export const clearSelectedParagraph = paragraph_id => dispatch => {
  dispatch({ type: types.align.set_display_setting, key: 'selected_paragraph_id', value: -1 })
}

export const showNewAnnotationForm = (start_ts, text) => dispatch => {
  let croppedText;
  if (store.getState().align.annotation.start_ts) {
    croppedText = store.getState().align.annotation.text
  } else {
    croppedText = cutFirstSentence(text)
  }
  // console.log(croppedText)
  dispatch({
    type: types.align.set_temporary_annotation,
    data: {
      id: 'new',
      start_ts,
      end_ts: 0.0,
      text: croppedText,
      type: 'sentence',
      settings: {},
    }
  })
}
export const showEditAnnotationForm = (annotation) => dispatch => {
  dispatch({
    type: types.align.set_temporary_annotation,
    data: annotation,
  })
}

export const updateAnnotationForm = (key, value) => dispatch => {
  dispatch({ type: types.align.update_temporary_annotation, key, value })
}
export const updateAnnotationSettings = (key, value) => dispatch => {
  dispatch({ type: types.align.update_temporary_annotation_settings, key, value })
}

export const hideAnnotationForm = () => dispatch => {
  dispatch({
    type: types.align.set_temporary_annotation,
    data: {}
  })
}