254 lines
7.6 KiB
JavaScript
254 lines
7.6 KiB
JavaScript
import {
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f1, fInt, fmm, markerPos, barHeights, wmoIcon, trendLabel,
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formatDate, formatTime, dayAbbr, monthName, isOlderThan, msUntil,
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} from './format.js';
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import { icon } from './icons.js';
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const CANVAS_W = 1133;
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const CANVAS_H = 744;
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const API_URL = 'api/data.php';
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const REFRESH_MS = 5 * 60 * 1000;
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const FETCH_TIMEOUT_MS = 10000;
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const STALE_MINUTES = 30;
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const RELOAD_HOUR = 4;
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const FALLBACK_TZ = 'Europe/Berlin';
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const $ = (id) => document.getElementById(id);
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const stage = $('stage');
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const viewport = $('viewport');
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const state = {
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data: null, // laatste payload, ook als die uit de SW-cache komt
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tz: FALLBACK_TZ,
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lastOk: null, // Date van de laatste geslaagde live-fetch
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offlineSince: null // Date vanaf wanneer er geen verbinding is
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};
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/* ---------- schaal ---------- */
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function fit() {
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const w = viewport.clientWidth;
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const h = viewport.clientHeight;
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const s = Math.min(w / CANVAS_W, h / CANVAS_H);
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const x = Math.round((w - CANVAS_W * s) / 2);
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const y = Math.round((h - CANVAS_H * s) / 2);
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stage.style.transform = `translate(${x}px, ${y}px) scale(${s})`;
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}
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/* ---------- render ---------- */
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function setText(id, text) {
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$(id).textContent = text;
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}
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function renderHeader(now) {
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setText('date', formatDate(now, state.tz));
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setText('clock', formatTime(now, state.tz));
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}
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function renderMeasurement(now) {
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const d = state.data;
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const upd = $('upd');
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if (!d) return;
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const stale = d.station.stale || isOlderThan(d.station.measured_at, now, STALE_MINUTES);
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upd.textContent = `meting ${formatTime(d.station.measured_at, state.tz)}${stale ? ' · verouderd' : ''}`;
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upd.classList.toggle('stale', stale);
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}
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function renderOutdoor(o) {
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setText('trend', trendLabel(o.trend));
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setText('temp', `${f1(o.temp)}°`);
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$('mark').style.left = `${markerPos(o.temp, o.min, o.max).toFixed(1)}%`;
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setText('min', `${f1(o.min)}°`);
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setText('min-at', `laagst om ${formatTime(o.min_at, state.tz)}`);
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setText('max', `${f1(o.max)}°`);
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setText('max-at', `hoogst om ${formatTime(o.max_at, state.tz)}`);
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}
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function renderRooms(rooms) {
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const html = rooms.map((r) => {
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const off = !r.reachable || r.temp === null;
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return `<div class="a-room${off ? ' off' : ''}">
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<p class="a-rname">${esc(r.name)}</p>
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<p class="a-rtemp num">${off ? '–' : f1(r.temp) + '°'}</p>
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<p class="a-rmm num"><span class="cold">↓ ${off ? '–' : f1(r.min) + '°'}</span><span class="warm">↑ ${off ? '–' : f1(r.max) + '°'}</span></p>
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</div>`;
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});
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$('rooms').innerHTML = html.join('');
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}
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function renderRain(rain, now) {
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setText('rain-today', f1(rain.today));
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setText('month-name', monthName(now, state.tz));
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setText('month-total', `${f1(rain.month_total)} mm`);
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const bars = rain.previous_days.map((p) => ({ label: dayAbbr(p.date, state.tz), mm: p.mm }));
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bars.push({ label: 'Vandaag', mm: rain.today, now: true });
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const heights = barHeights(bars.map((b) => b.mm));
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$('bars').innerHTML = bars.map((b, i) => `<div class="a-bar${b.now ? ' now' : ''}">
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<span class="num">${f1(b.mm)}</span><i style="height:${heights[i].toFixed(1)}px"></i><span>${b.label}</span>
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</div>`).join('');
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}
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function renderForecast(days) {
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$('forecast').innerHTML = days.map((d) => `<div class="a-day">
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<p class="a-dname">${dayAbbr(d.date, state.tz)}</p>
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<div class="a-icon">${icon(wmoIcon(d.weather_code))}</div>
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<p class="a-hl num">${fInt(d.temp_max)}°<span>${fInt(d.temp_min)}°</span></p>
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<p class="a-fr num">${fmm(d.precip_mm)}<span>${d.precip_prob === null ? '–' : d.precip_prob + '%'}</span></p>
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</div>`).join('');
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}
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function renderBanner() {
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const banner = $('banner');
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const errors = state.data ? state.data.errors : [];
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if (errors.includes('netatmo_auth')) {
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banner.innerHTML = 'Netatmo-koppeling verlopen<small>Voer <code>bin/netatmo-init.php</code> opnieuw uit met een nieuwe refresh token.</small>';
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banner.hidden = false;
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} else if (!state.data) {
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banner.hidden = false;
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} else {
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banner.hidden = true;
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}
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}
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function renderStatus() {
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const el = $('status');
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if (state.offlineSince) {
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el.textContent = `geen verbinding sinds ${formatTime(state.offlineSince, state.tz)}`;
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el.hidden = false;
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} else {
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el.hidden = true;
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}
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}
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function render() {
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const now = new Date();
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const d = state.data;
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renderHeader(now);
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if (d) {
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renderMeasurement(now);
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renderOutdoor(d.outdoor);
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renderRooms(d.indoor);
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renderRain(d.rain, now);
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renderForecast(d.forecast);
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}
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renderBanner();
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renderStatus();
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}
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function esc(s) {
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return String(s).replace(/[&<>"]/g, (c) => ({ '&': '&', '<': '<', '>': '>', '"': '"' }[c]));
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}
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/* ---------- data ---------- */
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async function fetchData() {
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const controller = new AbortController();
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const timer = setTimeout(() => controller.abort(), FETCH_TIMEOUT_MS);
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try {
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const res = await fetch(API_URL, { cache: 'no-store', signal: controller.signal });
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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const json = await res.json();
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if (!json || !json.station) throw new Error('onvolledig antwoord');
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return { json, fromCache: res.headers.get('X-From-Cache') === '1' };
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} finally {
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clearTimeout(timer);
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}
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}
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let refreshing = false;
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async function refresh() {
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if (refreshing) return;
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refreshing = true;
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try {
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const { json, fromCache } = await fetchData();
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state.data = json;
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state.tz = json.timezone || FALLBACK_TZ;
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if (fromCache) {
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state.offlineSince = state.offlineSince || state.lastOk || new Date();
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} else {
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state.lastOk = new Date();
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state.offlineSince = null;
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}
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} catch (err) {
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console.warn('weerscherm: ophalen mislukt', err);
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if (!state.offlineSince) state.offlineSince = state.lastOk || new Date();
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if (!state.data) {
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$('banner').innerHTML = 'Geen verbinding met de server<small>Er wordt elke 5 minuten opnieuw geprobeerd.</small>';
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}
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} finally {
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refreshing = false;
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render();
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}
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}
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/* ---------- timers ---------- */
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function scheduleClock() {
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const now = new Date();
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const wait = 60000 - (now.getSeconds() * 1000 + now.getMilliseconds());
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setTimeout(() => {
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renderHeader(new Date());
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renderMeasurement(new Date());
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scheduleClock();
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}, wait);
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}
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function scheduleMidnight() {
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setTimeout(() => {
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refresh();
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scheduleMidnight();
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}, msUntil(new Date(), state.tz, 0));
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}
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function scheduleReload() {
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setTimeout(() => location.reload(), msUntil(new Date(), state.tz, RELOAD_HOUR));
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}
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async function requestWakeLock() {
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if (!('wakeLock' in navigator)) return;
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try {
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await navigator.wakeLock.request('screen');
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} catch (err) {
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// Niet beschikbaar of geweigerd; Automatisch vergrendelen op "Nooit" is de primaire oplossing.
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}
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}
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/* ---------- service worker ---------- */
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function registerServiceWorker() {
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if (!('serviceWorker' in navigator)) return;
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navigator.serviceWorker.register('./sw.js').catch((err) => console.warn('weerscherm: service worker', err));
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let reloading = false;
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navigator.serviceWorker.addEventListener('controllerchange', () => {
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if (reloading) return;
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reloading = true;
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location.reload();
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});
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}
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/* ---------- start ---------- */
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window.addEventListener('resize', fit);
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window.addEventListener('orientationchange', () => setTimeout(fit, 50));
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document.addEventListener('visibilitychange', () => {
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if (document.visibilityState === 'visible') {
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fit();
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refresh();
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requestWakeLock();
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registerServiceWorker();
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}
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});
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fit();
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render();
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refresh();
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setInterval(refresh, REFRESH_MS);
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scheduleClock();
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scheduleMidnight();
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scheduleReload();
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requestWakeLock();
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registerServiceWorker();
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