import GeoJSON from '../src/ol/format/GeoJSON.js';
import Map from '../src/ol/Map.js';
import View from '../src/ol/View.js';
import {Circle as CircleStyle, Fill, Stroke, Style} from '../src/ol/style.js';
import {OSM, Vector as VectorSource} from '../src/ol/source.js';
import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
import {fromLonLat} from '../src/ol/proj.js';

/** @type {VectorSource<import("../src/ol/geom/SimpleGeometry.js").default>} */
const source = new VectorSource({
  url: 'data/geojson/switzerland.geojson',
  format: new GeoJSON(),
});
const style = new Style({
  fill: new Fill({
    color: 'rgba(255, 255, 255, 0.6)',
  }),
  stroke: new Stroke({
    color: '#319FD3',
    width: 1,
  }),
  image: new CircleStyle({
    radius: 5,
    fill: new Fill({
      color: 'rgba(255, 255, 255, 0.6)',
    }),
    stroke: new Stroke({
      color: '#319FD3',
      width: 1,
    }),
  }),
});
const vectorLayer = new VectorLayer({
  source: source,
  style: style,
});
const view = new View({
  center: fromLonLat([6.6339863, 46.5193823]),
  padding: [170, 50, 30, 150],
  zoom: 6,
});
const map = new Map({
  layers: [
    new TileLayer({
      source: new OSM(),
    }),
    vectorLayer,
  ],
  target: 'map',
  view: view,
});

const zoomtoswitzerland = document.getElementById('zoomtoswitzerland');
zoomtoswitzerland.addEventListener(
  'click',
  function () {
    const feature = source.getFeatures()[0];
    const polygon = feature.getGeometry();
    view.fit(polygon);
  },
  false
);

const centerlausanne = document.getElementById('centerlausanne');
centerlausanne.addEventListener(
  'click',
  function () {
    const feature = source.getFeatures()[1];
    const point = feature.getGeometry();
    view.setCenter(point.getCoordinates());
  },
  false
);