/*
 * Tencent is pleased to support the open source community by making
 * Hippy available.
 *
 * Copyright (C) 2017-2019 THL A29 Limited, a Tencent company.
 * All rights reserved.
 *
 * 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.
 */

/* eslint-disable prefer-rest-params */
/* eslint-disable no-underscore-dangle */
/* eslint-disable no-param-reassign */

import { updateListeners } from 'core/vdom/helpers/update-listeners';
import { NeedToTyped } from '../../types/native';

let target: NeedToTyped;

function remove(event: NeedToTyped, handler: NeedToTyped, capture: NeedToTyped, _target: NeedToTyped) {
  (_target || target).removeEventListener(event);
}

// eslint-disable-next-line no-unused-vars
function add(
  event: NeedToTyped,
  handler: NeedToTyped,
  capture: NeedToTyped,
  passive: NeedToTyped,
  params: NeedToTyped,
) {
  if (capture) {
    return;
  }
  target.addEventListener(event, handler);
}

function createOnceHandler(event: NeedToTyped, handler: NeedToTyped, capture: NeedToTyped) {
  const _target = target; // save current target element in closure
  return function onceHandler() {
    const res = handler(...arguments);
    if (res !== null) {
      remove(event, onceHandler, capture, _target);
    }
  };
}

function updateDOMListeners(oldVNode: NeedToTyped, vNode: NeedToTyped) {
  if (!oldVNode.data.on && !vNode.data.on) {
    return;
  }
  const on = vNode.data.on || {};
  const oldOn = oldVNode.data.on || {};
  target = vNode.elm;
  updateListeners(on, oldOn, add, remove, createOnceHandler, vNode.context);
}

export default {
  create: updateDOMListeners,
  update: updateDOMListeners,
};