493 lines
15 KiB
JavaScript
493 lines
15 KiB
JavaScript
(function (ns, $) {
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'use strict';
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const state = {
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routes: [],
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route: null,
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position: null,
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triggered: new Set(),
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routeState: 'idle',
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activePage: null,
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routeProgressIndex: null,
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activePoiId: null,
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deviceHeading: null
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};
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function escapeHtml(value) {
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return $('<div>').text(value ?? '').html();
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}
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function activate(selector, handler) {
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$(document)
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.on('pointerup', selector, function (event) {
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const pointer = event.originalEvent;
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if (pointer && pointer.isPrimary === false) return;
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if (pointer?.pointerType === 'mouse' && pointer.button !== 0) return;
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event.preventDefault();
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handler.call(this, event);
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})
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.on('keydown', selector, function (event) {
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if (event.key !== 'Enter' && event.key !== ' ') return;
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event.preventDefault();
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handler.call(this, event);
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});
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}
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function navigate(pageSelector, options = {}) {
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const target = $(pageSelector);
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if (!target.length) throw new Error(`Unbekannte Ansicht: ${pageSelector}`);
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const previous = state.activePage;
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$('.app-page').attr('hidden', true).removeClass('is-active');
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target.removeAttr('hidden').addClass('is-active');
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state.activePage = pageSelector;
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window.scrollTo({ top: 0, behavior: options.instant ? 'auto' : 'smooth' });
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if (options.updateHistory === false) return;
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const historyState = { page: pageSelector, previous };
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if (options.replace) history.replaceState(historyState, '', pageSelector);
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else if (previous !== pageSelector) history.pushState(historyState, '', pageSelector);
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}
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function normalizeSearch(value) {
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return String(value ?? '')
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.normalize('NFKD')
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.replace(/[\u0300-\u036f]/g, '')
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.toLocaleLowerCase('de');
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}
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function routeMatchesSearch(route, searchTerm) {
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if (!searchTerm) return true;
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return normalizeSearch([
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route.name,
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route.schoolName,
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route.description
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].filter(Boolean).join(' ')).includes(searchTerm);
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}
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function renderRouteItems(listSelector, routes, emptyText) {
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const list = $(listSelector).empty();
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if (!routes.length) {
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list.append(`<li><p>${escapeHtml(emptyText)}</p></li>`);
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return;
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}
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routes.forEach(route => {
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const proximity = route.proximityM == null
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? ''
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: `<small>${escapeHtml(ns.Distance.format(route.proximityM))} entfernt</small>`;
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list.append(`
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<li>
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<button type="button" data-route-id="${route.id}">
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<strong>${escapeHtml(route.name)}</strong>
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<span>${escapeHtml(route.schoolName || route.description || '')}</span>
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${proximity}
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</button>
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</li>
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`);
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});
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}
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function renderRoutes() {
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const radiusM = ns.Config.routeRadiusKm * 1000;
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const nearbyRoutes = state.position
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? state.routes
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.filter(route => route.proximityM != null && route.proximityM <= radiusM)
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.sort((a, b) => a.proximityM - b.proximityM)
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: [];
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const searchTerm = normalizeSearch($('#route-search').val());
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const allRoutes = state.routes
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.filter(route => routeMatchesSearch(route, searchTerm))
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.slice()
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.sort((a, b) => a.name.localeCompare(b.name, 'de'));
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const nearbyEmptyText = state.position
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? `Keine Route im Umkreis von ${ns.Config.routeRadiusKm} km gefunden. Wähle unten eine beliebige Route aus.`
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: 'Für Empfehlungen in der Nähe ist ein Standort erforderlich. Alle Routen bleiben unten auswählbar.';
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renderRouteItems('#nearby-route-list', nearbyRoutes, nearbyEmptyText);
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renderRouteItems(
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'#all-route-list',
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allRoutes,
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searchTerm ? 'Keine Route entspricht dem Suchbegriff.' : 'Es sind noch keine Routen vorhanden.'
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);
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$('#all-routes-summary').text(
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searchTerm
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? `${allRoutes.length} von ${state.routes.length} Routen gefunden.`
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: `${state.routes.length} Routen verfügbar.`
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);
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}
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function initializeRouteSearch() {
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const input = $('#route-search');
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input.autocomplete({
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minLength: 0,
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source(request, response) {
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const term = normalizeSearch(request.term);
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response(state.routes
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.filter(route => routeMatchesSearch(route, term))
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.slice(0, 12)
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.map(route => ({ label: route.name, value: route.name })));
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},
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select(event, ui) {
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input.val(ui.item.value);
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renderRoutes();
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return false;
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}
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});
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}
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function hideNavigation() {
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$('#navigation-footer').prop('hidden', true);
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$('#app-shell').removeClass('has-navigation');
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}
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function showNavigation(message = 'Position wird ermittelt', distance = '–') {
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$('#navigation-mode').text(message);
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$('#navigation-distance').text(distance);
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$('#navigation-footer').prop('hidden', false);
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$('#app-shell').addClass('has-navigation');
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}
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function stopRouteSensors() {
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ns.Geo.stop();
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ns.Orientation.stop();
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state.deviceHeading = null;
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}
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function updateRouteControls() {
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const running = state.routeState === 'running';
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const paused = state.routeState === 'paused';
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const startLabel = paused ? 'Route fortsetzen' : 'Route starten';
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$('#start-route')
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.prop('disabled', running)
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.attr({ 'aria-label': startLabel, title: startLabel });
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$('#pause-route').prop('disabled', !running);
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$('#stop-route').prop('disabled', state.routeState === 'idle');
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}
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function setActivePoi(poiId) {
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state.activePoiId = poiId == null ? null : Number(poiId);
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$('#poi-list [data-poi-id]').removeAttr('aria-current');
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if (state.activePoiId != null) {
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$(`#poi-list [data-poi-id="${state.activePoiId}"]`).attr('aria-current', 'step');
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}
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}
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function endRoute({ announce = true, returnToRoutes = false } = {}) {
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const wasActive = state.routeState !== 'idle';
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state.routeState = 'idle';
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state.routeProgressIndex = null;
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state.triggered.clear();
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stopRouteSensors();
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ns.AudioPlayer.unload();
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setActivePoi(null);
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hideNavigation();
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if (announce && wasActive && !returnToRoutes) {
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$('#tracking-status').prop('hidden', false).text('Route beendet.');
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} else {
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$('#tracking-status').prop('hidden', true).text('');
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}
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updateRouteControls();
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if (returnToRoutes) {
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state.route = null;
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navigate('#routes-page', { replace: true });
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}
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}
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function pauseRoute() {
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if (state.routeState !== 'running') return;
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state.routeState = 'paused';
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stopRouteSensors();
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ns.AudioPlayer.pause();
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$('#tracking-status')
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.prop('hidden', false)
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.text('Route pausiert. Die Standortverfolgung ist angehalten.');
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showNavigation('Route pausiert', $('#navigation-distance').text() || '–');
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updateRouteControls();
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}
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function renderRoute(route) {
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if (state.routeState !== 'idle') endRoute({ announce: false });
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state.route = route;
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state.triggered.clear();
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state.routeProgressIndex = null;
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setActivePoi(null);
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$('#route-title').text(route.name);
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$('#route-description').text(route.description || '');
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$('#route-distance').text(ns.Distance.format(route.distanceM));
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$('#route-elevation').text(`${Math.round(route.elevationGainM)} m`);
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$('#route-poi-count').text(route.pois.length);
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$('#tracking-status').prop('hidden', true).text('');
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updateRouteControls();
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const list = $('#poi-list').empty();
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if (!route.pois.length) {
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list.append('<li><p>Diese Route enthält noch keine Stationen.</p></li>');
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return;
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}
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route.pois.forEach(poi => {
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list.append(`
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<li>
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<button type="button" data-poi-id="${poi.id}">
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<strong>${escapeHtml(poi.title)}</strong>
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<span>${escapeHtml(poi.description || '')}</span>
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</button>
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</li>
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`);
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});
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}
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function showPoi(poi, automatic) {
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setActivePoi(poi.id);
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$('#poi-title').text(poi.title);
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$('#poi-description').text(poi.description || '');
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ns.Slideshow.show(poi.images);
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ns.AudioPlayer.load(poi.audioUrl);
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navigate('#poi-page');
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if (automatic && poi.audioUrl) ns.AudioPlayer.play().catch(() => {});
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}
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function nearestRoutePointIndex(position) {
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const points = state.route?.points || [];
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if (!points.length) return null;
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let start = 0;
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let end = points.length;
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if (state.routeProgressIndex != null) {
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start = Math.max(0, state.routeProgressIndex - 3);
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end = Math.min(points.length, state.routeProgressIndex + 201);
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}
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let nearestIndex = start;
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let nearestDistance = Number.POSITIVE_INFINITY;
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for (let index = start; index < end; index += 1) {
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const distance = ns.Distance.meters(position, points[index]);
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if (distance < nearestDistance) {
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nearestDistance = distance;
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nearestIndex = index;
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}
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}
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return nearestIndex;
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}
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function updateNavigation(position) {
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const points = state.route?.points || [];
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if (state.routeState !== 'running' || !points.length) return;
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const nearestIndex = nearestRoutePointIndex(position);
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if (nearestIndex == null) return;
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state.routeProgressIndex = state.routeProgressIndex == null
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? nearestIndex
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: Math.max(state.routeProgressIndex, nearestIndex);
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const lastIndex = points.length - 1;
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let targetIndex = Math.min(lastIndex, state.routeProgressIndex + 1);
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let target = points[targetIndex];
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let distance = ns.Distance.meters(position, target);
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const reachedRadius = Math.max(4, Math.min(12, Math.round(position.accuracy || 4)));
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while (targetIndex < lastIndex && distance <= reachedRadius) {
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state.routeProgressIndex = targetIndex;
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targetIndex += 1;
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target = points[targetIndex];
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distance = ns.Distance.meters(position, target);
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}
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if (targetIndex === lastIndex && distance <= reachedRadius) {
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state.routeProgressIndex = lastIndex;
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$('#navigation-arrow').css('transform', 'rotate(0deg)');
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showNavigation('Ziel der Route erreicht', '0 m');
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$('#navigation-footer').attr('aria-label', 'Ziel der Route erreicht');
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return;
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}
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const bearing = ns.Distance.bearing(position, target);
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const movementHeading = Number.isFinite(position.heading) && Number(position.speed) > 0.5
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? position.heading
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: null;
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const heading = state.deviceHeading ?? movementHeading;
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const rotation = heading == null
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? bearing
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: ns.Distance.normalizeDegrees(bearing - heading);
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$('#navigation-arrow').css('transform', `rotate(${rotation.toFixed(1)}deg)`);
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showNavigation(
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heading == null ? 'Norden oben · nächster Routenpunkt' : 'Nächster Routenpunkt',
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`${Math.round(distance)} m`
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);
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$('#navigation-footer').attr(
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'aria-label',
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`Nächster Routenpunkt in ${Math.round(distance)} Metern`
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);
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}
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function updateHeading(heading) {
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if (state.deviceHeading == null) {
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state.deviceHeading = heading;
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} else {
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const delta = ((heading - state.deviceHeading + 540) % 360) - 180;
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state.deviceHeading = ns.Distance.normalizeDegrees(state.deviceHeading + delta * 0.25);
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}
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if (state.position) updateNavigation(state.position);
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}
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function evaluatePosition(position) {
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state.position = position;
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if (!state.route || state.routeState !== 'running') return;
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updateNavigation(position);
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let nearest = null;
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state.route.pois.forEach(poi => {
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if (state.triggered.has(poi.id)) return;
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const distance = ns.Distance.meters(position, poi);
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if (!nearest || distance < nearest.distance) nearest = { poi, distance };
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});
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$('#tracking-status').text(
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`GPS aktiv · Genauigkeit ${Math.round(position.accuracy)} m`
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+ (nearest ? ` · nächste Station ${Math.round(nearest.distance)} m` : '')
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);
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if (nearest && nearest.distance <= nearest.poi.triggerRadiusM) {
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state.triggered.add(nearest.poi.id);
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if (navigator.vibrate) navigator.vibrate([120, 80, 120]);
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showPoi(nearest.poi, true);
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}
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}
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async function startRoute() {
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if (!state.route || state.routeState === 'running') return;
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const resumed = state.routeState === 'paused';
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if (!resumed) {
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state.routeProgressIndex = null;
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state.triggered.clear();
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}
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state.routeState = 'running';
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state.deviceHeading = null;
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updateRouteControls();
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$('#tracking-status')
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.prop('hidden', false)
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.text(resumed ? 'Route wird fortgesetzt.' : 'Route wird gestartet. GPS wird aktiviert.');
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showNavigation(resumed ? 'Route wird fortgesetzt' : 'Position wird ermittelt');
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ns.Geo.start(
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evaluatePosition,
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error => $('#tracking-status').text(`GPS-Fehler: ${error.message}`)
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);
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const orientationAvailable = await ns.Orientation.start(updateHeading);
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if (state.routeState !== 'running') {
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ns.Orientation.stop();
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return;
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}
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if (!orientationAvailable) {
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$('#navigation-mode').text('Norden oben · nächster Routenpunkt');
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}
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}
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function bindEvents() {
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$(document).on('input', '#route-search', renderRoutes);
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activate('#clear-route-search', function () {
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$('#route-search').val('').trigger('input').trigger('focus');
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});
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activate('[data-route-id]', async function () {
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const button = $(this);
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button.prop('disabled', true);
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try {
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const route = await ns.Api.route(button.data('route-id'));
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renderRoute(route);
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navigate('#route-page');
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} catch (error) {
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alert(error.responseJSON?.message || error.statusText || error.message);
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} finally {
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button.prop('disabled', false);
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}
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});
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activate('[data-poi-id]', function () {
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const poi = state.route?.pois.find(item => item.id === Number($(this).data('poi-id')));
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if (poi) showPoi(poi, false);
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});
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activate('[data-page-target]', function () {
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const target = $(this).data('page-target');
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if (history.state?.previous === target) history.back();
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else navigate(target, { replace: true });
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});
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activate('#start-route', async function () {
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await startRoute();
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});
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activate('#pause-route', function () {
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pauseRoute();
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});
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activate('#stop-route', function () {
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endRoute({ returnToRoutes: true });
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});
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window.addEventListener('popstate', event => {
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const page = event.state?.page || '#routes-page';
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navigate(page, { updateHistory: false, instant: true });
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});
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}
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ns.App = {
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navigate,
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async initialize(context) {
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bindEvents();
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await ns.Api.health();
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context.markStep('server', 'done');
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const response = await ns.Api.routes(null);
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state.routes = response.routes;
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context.markStep('routes', 'done');
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try {
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const position = await ns.Geo.current();
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state.position = position;
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$('#location-hint').text(
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`Standort ermittelt (Genauigkeit ${Math.round(position.accuracy)} m). `
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+ `Nahe Routen werden bis ${ns.Config.routeRadiusKm} km empfohlen.`
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);
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state.routes = state.routes.map(route => ({
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...route,
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proximityM: route.start ? ns.Distance.meters(position, route.start) : null
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}));
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} catch (error) {
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$('#location-hint').text(
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`Standort nicht verfügbar: ${error.message}. Alle Routen können weiterhin ausgewählt werden.`
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);
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}
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context.markStep('location', 'done');
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initializeRouteSearch();
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renderRoutes();
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updateRouteControls();
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hideNavigation();
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}
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};
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}(window.Wegwichtel, window.jQuery));
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