/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016-2017 Dan "Ducky" Little
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import React from "react";
import { useTranslation } from "react-i18next";
import { Provider, connect } from "react-redux";

import CatalogLayer from "./catalog/layer";
import { getLayersByZOrder } from "../util";

/* VisibleLayers Tab.
 *
 * Displays layers in their map layer order.
 *
 */
const VisibleLayers = ({ store, catalog, mapSources }) => {
  const { t } = useTranslation();

  // get the list of layers order'd by the stack order
  const layers = getLayersByZOrder(catalog, mapSources);
  const nLayers = layers.length;

  let contents;

  if (nLayers > 0) {
    const catalogLayers = [];
    for (let i = 0, ii = layers.length; i < ii; i++) {
      const layer = layers[i];
      catalogLayers.push(
        <CatalogLayer key={"layer-" + i} layer={layer.layer} forceTools={["up", "down"]} />
      );
    }
    contents = catalogLayers;
  } else {
    contents = <i>No layers are visible</i>;
  }

  return (
    <Provider store={store}>
      <div className="catalog visible-layers visible-layers flat">
        <div className="info-box">{t("visible-layers-help")}</div>
        {contents}
      </div>
    </Provider>
  );
};

const mapFavoritesToProps = function (store) {
  return {
    mapSources: store.mapSources,
    catalog: store.catalog,
  };
};

export default connect(mapFavoritesToProps)(VisibleLayers);
