import VectorLayer from 'ol/layer/Vector';
import {Vector as VectorSource} from 'ol/source.js';
import GeoJSON from 'ol/format/GeoJSON.js';

import Hls from 'hls.js';

import {Style} from 'ol/style.js';
import Icon from 'ol/style/Icon.js';

import states from './data/states.js';

import pin from './pin.svg?url'; // TODO: remove `?url`?

// https://en.wikipedia.org/wiki/Department_of_transportation#List_of_U.S._state_and_insular_area_departments_of_transportation
const dot_names = {
    wi: "WisDOT/511WI",
};

let vectorLayers = [];

for (let [state, url] of Object.entries(states)) {
    const vectorLayer = new VectorLayer({
        source: new VectorSource({
            url: url,
            format: new GeoJSON,
        }),
        style: new Style({
            image: new Icon({
                anchor: [0.5, 1],
                src: pin,
            }),
        }),
    });

    vectorLayer.customPopup = function(feature) {
        return `<video style="max-width: 80vw; max-height: 80vh;" id="popupVideo" autoplay controls></video>`;
    };

    vectorLayer.customPopupCallback = function(feature) {
        
        const video = document.getElementById('popupVideo');

        const videoSrc = feature.values_.originalData.videoUrl;
        if (Hls.isSupported()) {
            var hls = new Hls();
            hls.loadSource(videoSrc);
            hls.attachMedia(video);
        }
        // iDevice support, untested (only works in Safari; required for iPhones)
        else if (video.canPlayType('application/vnd.apple.mpegurl')) {
            video.src = videoSrc;
        }
    }
    vectorLayers.push({
        name: dot_names[state] ?? state,
        layer: vectorLayer,
    });
}

export default vectorLayers;