import { pick } from 'lowline'

export const DELETE_RESULT = 'DELETE_RESULT'

const baseUrl = '/api/results'

const headers = {
  'X-Requested-With': 'XMLHttpRequest',
  accept: 'application/json',
}

export const FETCH_RESULTS = 'FETCH_RESULTS'

// query can be a query string (without ?, ie not a search string)
export function fetchResults(query = {}) {
  query = typeof query === 'string' ? query : qs.stringify(query)

  return (dispatch) => {
    fetch(`${baseUrl}${query ? `?${query}` : ''}`, {
      credentials: 'same-origin',
      headers,
    })
      .then((res) => res.json())
      .then((json) => {
        const actions = [receiveResults(json.results || [])]

        if (json.perPage) {
          actions.push(setPagination(pick(json, 'perPage', 'totalCount')))
        }

        dispatch(batchActions(actions))
      })
  }
}

export const RECEIVE_RESULTS = 'RECEIVE_RESULTS'

export function receiveResults(json) {
  return {
    type: RECEIVE_RESULTS,
    payload: json,
    receivedAt: Date.now(),
  }
}

export const REMOVE_RESULTS = 'REMOVE_RESULTS'

export function removeResults() {
  return {
    type: REMOVE_RESULTS,
  }
}