/*
 * <<
 * Davinci
 * ==
 * Copyright (C) 2016 - 2017 EDP
 * ==
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * >>
 */

import React, { useEffect, useState, useCallback } from 'react'
import Helmet from 'react-helmet'
import { useLocation } from 'react-router-dom'
import { useSelector, useDispatch } from 'react-redux'

import { makeSelectTitle } from './selectors'
import { ShareDisplayActions } from './actions'
import { makeSelectLoginLoading } from '../App/selectors'

import { useInjectReducer } from 'utils/injectReducer'
import { useInjectSaga } from 'utils/injectSaga'

import reducer from './reducer'
import saga from './sagas'
import Reveal from './Reveal'

import mainStyles from 'containers/Main/Main.less'

const ShareDisplayIndex: React.FC = () => {
  useInjectReducer({ key: 'shareDisplay', reducer })
  useInjectSaga({ key: 'shareDisplay', saga })

  const dispatch = useDispatch()
  const location = useLocation()

  const shareToken = new URLSearchParams(window.location.search).get(
    'shareToken'
  )

  useEffect(() => {
    sessionStorage.setItem('pathname', location.pathname + location.search)
  }, [])

  const loadShareContent = useCallback(() => {
    dispatch(
      ShareDisplayActions.loadDisplay(
        shareToken,
        () => null,
        () => null
      )
    )
  }, [])

  useEffect(loadShareContent, [])

  const title = useSelector(makeSelectTitle())
  return (
    <>
      <Helmet title={title} />
      <div className={mainStyles.container}>
        {title && <Reveal />}
      </div>
    </>
  )
}

export default ShareDisplayIndex