// Constants #####################################################################################
// ###############################################################################################
let customPopupOpts = {
  maxWidth: "1000",
  minWidth: "500",
  minHeight: "500",
  className: "custom-popup",
};

let markerClusterOpts = {
  spiderfyOnMaxZoom: false,
  showCoverageOnHover: true,
  zoomToBoundsOnClick: true,
  removeOutsideVisibleBounds: true,
  disableClusteringAtZoom: 18,
};

// Functions #####################################################################################
// ###############################################################################################

/**
 * Switch LatLon coords in an array.
 * @param  Array
 * @return Array
 */
function switchLatLon(inp) {
  return [inp[1], inp[0]];
}

/**
 *
 * @param response
 * @returns json
 */
function getResponse(response) {
  return response.json();
}

/**
 * @param STA Location object
 * @returns Leaflet Marker
 */
async function markerFromLocation(l) {
  //     {
  //       "description": "Centroid of intersection 0012 (Richard-Wagner-Str. / Max-Schott-Str.)",
  //       "encodingType": "application/vnd.geo+json",
  //       "@iot.id": 839,
  //       "location": {
  //         "type": "Point",
  //         "coordinates": [
  //           11.4123187,
  //           48.7754826
  //         ]
  //       },
  //       "name": "0012",
  //       "@iot.selfLink": "https://sta-savenow.westeurope.azurecontainer.io/frost/v1.1/Locations(839)"
  //     }

  console.log(l.location.type);

  if (l.location.type == "Point") {
    return L.marker(switchLatLon(l.location.coordinates));
  }
}

/**
 * Async function to query two datasets using fetch
 * @param {*} Query a
 * @param {*} Query b
 * @returns [Object, Object]
 */
async function fetchSTA(a, b, c) {
  const [latestObs, things, fois] = await Promise.all([
    fetch(a, { headers: headers }),
    fetch(b, { headers: headers }),
    fetch(c, { headers: headers }),
  ]);

  const l = await latestObs.json();
  const t = await things.json();
  const f = await fois.json();
  return [l, t, f];
}