Files
intercept/static/js/modes/weather-satellite.js
Smittix deb7e2d15d fix: filter upcoming passes by selected satellite in weather sat mode
The satellite dropdown had no change listener, so selecting a different
satellite never updated the pass list, timeline, countdown, or polar plot.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-26 22:58:22 +00:00

1844 lines
64 KiB
JavaScript

/**
* Weather Satellite Mode
* NOAA APT and Meteor LRPT decoder interface with auto-scheduler,
* polar plot, styled real-world map, countdown, and timeline.
*/
const WeatherSat = (function() {
// State
let isRunning = false;
let eventSource = null;
let images = [];
let passes = [];
let selectedPassIndex = -1;
let currentSatellite = null;
let countdownInterval = null;
let schedulerEnabled = false;
let groundMap = null;
let groundTrackLayer = null;
let groundOverlayLayer = null;
let groundGridLayer = null;
let satCrosshairMarker = null;
let observerMarker = null;
let consoleEntries = [];
let consoleCollapsed = false;
let currentPhase = 'idle';
let consoleAutoHideTimer = null;
let currentModalFilename = null;
let locationListenersAttached = false;
/**
* Initialize the Weather Satellite mode
*/
function init() {
checkStatus();
loadImages();
loadLocationInputs();
loadPasses();
startCountdownTimer();
checkSchedulerStatus();
initGroundMap();
// Re-filter passes when satellite selection changes
const satSelect = document.getElementById('weatherSatSelect');
if (satSelect) {
satSelect.addEventListener('change', () => {
applyPassFilter();
});
}
}
/**
* Get passes filtered by the currently selected satellite.
*/
function getFilteredPasses() {
const satSelect = document.getElementById('weatherSatSelect');
const selected = satSelect?.value;
if (!selected) return passes;
return passes.filter(p => p.satellite === selected);
}
/**
* Re-render passes, timeline, countdown and polar plot using filtered list.
*/
function applyPassFilter() {
const filtered = getFilteredPasses();
selectedPassIndex = -1;
renderPasses(filtered);
renderTimeline(filtered);
updateCountdownFromPasses();
if (filtered.length > 0) {
selectPass(0);
} else {
updateGroundTrack(null);
}
}
/**
* Get observer coordinates from shared location or local storage.
*/
function getObserverCoords() {
let lat;
let lon;
if (window.ObserverLocation && ObserverLocation.isSharedEnabled()) {
const shared = ObserverLocation.getShared();
lat = Number(shared?.lat);
lon = Number(shared?.lon);
} else {
lat = Number(localStorage.getItem('observerLat'));
lon = Number(localStorage.getItem('observerLon'));
}
if (!isFinite(lat) || !isFinite(lon)) return null;
if (lat < -90 || lat > 90 || lon < -180 || lon > 180) return null;
return { lat, lon };
}
/**
* Center the ground map on current observer coordinates when available.
*/
function centerGroundMapOnObserver(zoom = 1) {
if (!groundMap) return;
const observer = getObserverCoords();
if (!observer) return;
const lat = Math.max(-85, Math.min(85, observer.lat));
const lon = normalizeLon(observer.lon);
groundMap.setView([lat, lon], zoom, { animate: false });
}
/**
* Load observer location into input fields
*/
function loadLocationInputs() {
const latInput = document.getElementById('wxsatObsLat');
const lonInput = document.getElementById('wxsatObsLon');
let storedLat = localStorage.getItem('observerLat');
let storedLon = localStorage.getItem('observerLon');
if (window.ObserverLocation && ObserverLocation.isSharedEnabled()) {
const shared = ObserverLocation.getShared();
storedLat = shared.lat.toString();
storedLon = shared.lon.toString();
}
if (latInput && storedLat) latInput.value = storedLat;
if (lonInput && storedLon) lonInput.value = storedLon;
// Only attach listeners once — re-calling init() on mode switch must not
// accumulate duplicate listeners that fire loadPasses() multiple times.
if (!locationListenersAttached) {
if (latInput) latInput.addEventListener('change', saveLocationFromInputs);
if (lonInput) lonInput.addEventListener('change', saveLocationFromInputs);
locationListenersAttached = true;
}
}
/**
* Save location from inputs and refresh passes
*/
function saveLocationFromInputs() {
const latInput = document.getElementById('wxsatObsLat');
const lonInput = document.getElementById('wxsatObsLon');
const lat = parseFloat(latInput?.value);
const lon = parseFloat(lonInput?.value);
if (!isNaN(lat) && lat >= -90 && lat <= 90 &&
!isNaN(lon) && lon >= -180 && lon <= 180) {
if (window.ObserverLocation && ObserverLocation.isSharedEnabled()) {
ObserverLocation.setShared({ lat, lon });
} else {
localStorage.setItem('observerLat', lat.toString());
localStorage.setItem('observerLon', lon.toString());
}
loadPasses();
centerGroundMapOnObserver(1);
}
}
/**
* Use GPS for location
*/
function useGPS(btn) {
if (!navigator.geolocation) {
showNotification('Weather Sat', 'GPS not available in this browser');
return;
}
const originalText = btn.innerHTML;
btn.innerHTML = '<span style="opacity: 0.7;">...</span>';
btn.disabled = true;
navigator.geolocation.getCurrentPosition(
(pos) => {
const latInput = document.getElementById('wxsatObsLat');
const lonInput = document.getElementById('wxsatObsLon');
const lat = pos.coords.latitude.toFixed(4);
const lon = pos.coords.longitude.toFixed(4);
if (latInput) latInput.value = lat;
if (lonInput) lonInput.value = lon;
if (window.ObserverLocation && ObserverLocation.isSharedEnabled()) {
ObserverLocation.setShared({ lat: parseFloat(lat), lon: parseFloat(lon) });
} else {
localStorage.setItem('observerLat', lat);
localStorage.setItem('observerLon', lon);
}
btn.innerHTML = originalText;
btn.disabled = false;
showNotification('Weather Sat', 'Location updated');
loadPasses();
centerGroundMapOnObserver(1);
},
(err) => {
btn.innerHTML = originalText;
btn.disabled = false;
showNotification('Weather Sat', 'Failed to get location');
},
{ enableHighAccuracy: true, timeout: 10000 }
);
}
/**
* Check decoder status
*/
async function checkStatus() {
try {
const response = await fetch('/weather-sat/status');
const data = await response.json();
if (!data.available) {
updateStatusUI('unavailable', 'SatDump not installed');
return;
}
if (data.running) {
isRunning = true;
currentSatellite = data.satellite;
updateStatusUI('capturing', `Capturing ${data.satellite}...`);
startStream();
} else {
updateStatusUI('idle', 'Idle');
}
} catch (err) {
console.error('Failed to check weather sat status:', err);
}
}
/**
* Start capture
*/
async function start() {
const satSelect = document.getElementById('weatherSatSelect');
const gainInput = document.getElementById('weatherSatGain');
const biasTInput = document.getElementById('weatherSatBiasT');
const deviceSelect = document.getElementById('deviceSelect');
const satellite = satSelect?.value || 'METEOR-M2-3';
const gain = parseFloat(gainInput?.value || '40');
const biasT = biasTInput?.checked || false;
const device = parseInt(deviceSelect?.value || '0', 10);
clearConsole();
showConsole(true);
updatePhaseIndicator('tuning');
addConsoleEntry('Starting capture...', 'info');
updateStatusUI('connecting', 'Starting...');
try {
const response = await fetch('/weather-sat/start', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
satellite,
device,
gain,
bias_t: biasT,
})
});
const data = await response.json();
if (data.status === 'started' || data.status === 'already_running') {
isRunning = true;
currentSatellite = data.satellite || satellite;
updateStatusUI('capturing', `${data.satellite} ${data.frequency} MHz`);
updateFreqDisplay(data.frequency, data.mode);
startStream();
showNotification('Weather Sat', `Capturing ${data.satellite} on ${data.frequency} MHz`);
} else {
updateStatusUI('idle', 'Start failed');
showNotification('Weather Sat', data.message || 'Failed to start');
}
} catch (err) {
console.error('Failed to start weather sat:', err);
updateStatusUI('idle', 'Error');
showNotification('Weather Sat', 'Connection error');
}
}
/**
* Start capture for a specific pass
*/
function startPass(satellite) {
const satSelect = document.getElementById('weatherSatSelect');
if (satSelect) {
satSelect.value = satellite;
}
start();
}
/**
* Stop capture
*/
async function stop() {
// Optimistically update UI immediately so stop feels responsive,
// even if the server takes time to terminate the process.
isRunning = false;
stopStream();
updateStatusUI('idle', 'Stopping...');
try {
await fetch('/weather-sat/stop', { method: 'POST' });
updateStatusUI('idle', 'Stopped');
showNotification('Weather Sat', 'Capture stopped');
} catch (err) {
console.error('Failed to stop weather sat:', err);
}
}
/**
* Start test decode from a pre-recorded file
*/
async function testDecode() {
const satSelect = document.getElementById('wxsatTestSatSelect');
const fileInput = document.getElementById('wxsatTestFilePath');
const rateSelect = document.getElementById('wxsatTestSampleRate');
const satellite = satSelect?.value || 'METEOR-M2-3';
const inputFile = (fileInput?.value || '').trim();
const sampleRate = parseInt(rateSelect?.value || '1000000', 10);
if (!inputFile) {
showNotification('Weather Sat', 'Enter a file path');
return;
}
clearConsole();
showConsole(true);
updatePhaseIndicator('decoding');
addConsoleEntry(`Test decode: ${inputFile}`, 'info');
updateStatusUI('connecting', 'Starting file decode...');
try {
const response = await fetch('/weather-sat/test-decode', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
satellite,
input_file: inputFile,
sample_rate: sampleRate,
})
});
const data = await response.json();
if (data.status === 'started' || data.status === 'already_running') {
isRunning = true;
currentSatellite = data.satellite || satellite;
updateStatusUI('decoding', `Decoding ${data.satellite} from file`);
updateFreqDisplay(data.frequency, data.mode);
startStream();
showNotification('Weather Sat', `Decoding ${data.satellite} from file`);
} else {
updateStatusUI('idle', 'Decode failed');
showNotification('Weather Sat', data.message || 'Failed to start decode');
addConsoleEntry(data.message || 'Failed to start decode', 'error');
}
} catch (err) {
console.error('Failed to start test decode:', err);
updateStatusUI('idle', 'Error');
showNotification('Weather Sat', 'Connection error');
}
}
/**
* Update status UI
*/
function updateStatusUI(status, text) {
const dot = document.getElementById('wxsatStripDot');
const statusText = document.getElementById('wxsatStripStatus');
const startBtn = document.getElementById('wxsatStartBtn');
const stopBtn = document.getElementById('wxsatStopBtn');
if (dot) {
dot.className = 'wxsat-strip-dot';
if (status === 'capturing') dot.classList.add('capturing');
else if (status === 'decoding') dot.classList.add('decoding');
}
if (statusText) statusText.textContent = text || status;
if (startBtn && stopBtn) {
if (status === 'capturing' || status === 'decoding') {
startBtn.style.display = 'none';
stopBtn.style.display = 'inline-block';
} else {
startBtn.style.display = 'inline-block';
stopBtn.style.display = 'none';
}
}
}
/**
* Update frequency display in strip
*/
function updateFreqDisplay(freq, mode) {
const freqEl = document.getElementById('wxsatStripFreq');
const modeEl = document.getElementById('wxsatStripMode');
if (freqEl) freqEl.textContent = freq || '--';
if (modeEl) modeEl.textContent = mode || '--';
}
/**
* Start SSE stream
*/
function startStream() {
if (eventSource) eventSource.close();
eventSource = new EventSource('/weather-sat/stream');
eventSource.onmessage = (e) => {
try {
const data = JSON.parse(e.data);
if (data.type === 'weather_sat_progress') {
handleProgress(data);
} else if (data.type && data.type.startsWith('schedule_')) {
handleSchedulerSSE(data);
}
} catch (err) {
console.error('Failed to parse SSE:', err);
}
};
eventSource.onerror = () => {
setTimeout(() => {
if (isRunning || schedulerEnabled) startStream();
}, 3000);
};
}
/**
* Stop SSE stream
*/
function stopStream() {
if (eventSource) {
eventSource.close();
eventSource = null;
}
}
/**
* Handle progress update
*/
function handleProgress(data) {
const captureStatus = document.getElementById('wxsatCaptureStatus');
const captureMsg = document.getElementById('wxsatCaptureMsg');
const captureElapsed = document.getElementById('wxsatCaptureElapsed');
const progressBar = document.getElementById('wxsatProgressFill');
if (data.status === 'capturing' || data.status === 'decoding') {
updateStatusUI(data.status, `${data.status === 'decoding' ? 'Decoding' : 'Capturing'} ${data.satellite}...`);
if (captureStatus) captureStatus.classList.add('active');
if (captureMsg) captureMsg.textContent = data.message || '';
if (captureElapsed) captureElapsed.textContent = formatElapsed(data.elapsed_seconds || 0);
if (progressBar) progressBar.style.width = (data.progress || 0) + '%';
// Console updates
showConsole(true);
if (data.message) addConsoleEntry(data.message, data.log_type || 'info');
if (data.capture_phase) updatePhaseIndicator(data.capture_phase);
} else if (data.status === 'complete') {
if (data.image) {
images.unshift(data.image);
updateImageCount(images.length);
renderGallery();
showNotification('Weather Sat', `New image: ${data.image.product || data.image.satellite}`);
}
if (!data.image) {
// Capture ended
isRunning = false;
if (!schedulerEnabled) stopStream();
updateStatusUI('idle', 'Capture complete');
if (captureStatus) captureStatus.classList.remove('active');
addConsoleEntry('Capture complete', 'signal');
updatePhaseIndicator('complete');
if (consoleAutoHideTimer) clearTimeout(consoleAutoHideTimer);
consoleAutoHideTimer = setTimeout(() => showConsole(false), 30000);
}
} else if (data.status === 'error') {
isRunning = false;
if (!schedulerEnabled) stopStream();
updateStatusUI('idle', 'Error');
showNotification('Weather Sat', data.message || 'Capture error');
if (captureStatus) captureStatus.classList.remove('active');
if (data.message) addConsoleEntry(data.message, 'error');
updatePhaseIndicator('error');
if (consoleAutoHideTimer) clearTimeout(consoleAutoHideTimer);
consoleAutoHideTimer = setTimeout(() => showConsole(false), 15000);
}
}
/**
* Handle scheduler SSE events
*/
function handleSchedulerSSE(data) {
if (data.type === 'schedule_capture_start') {
isRunning = true;
const p = data.pass || {};
currentSatellite = p.satellite;
updateStatusUI('capturing', `Auto: ${p.name || p.satellite} ${p.frequency} MHz`);
showNotification('Weather Sat', `Auto-capture started: ${p.name || p.satellite}`);
} else if (data.type === 'schedule_capture_complete') {
const p = data.pass || {};
showNotification('Weather Sat', `Auto-capture complete: ${p.name || ''}`);
// Reset UI — the decoder's stop() doesn't emit a progress complete event
// when called internally by the scheduler, so we handle it here.
isRunning = false;
updateStatusUI('idle', 'Auto-capture complete');
const captureStatus = document.getElementById('wxsatCaptureStatus');
if (captureStatus) captureStatus.classList.remove('active');
updatePhaseIndicator('complete');
loadImages();
loadPasses();
} else if (data.type === 'schedule_capture_skipped') {
const reason = data.reason || 'unknown';
const p = data.pass || {};
showNotification('Weather Sat', `Pass skipped (${reason}): ${p.name || p.satellite}`);
}
}
/**
* Format elapsed seconds
*/
function formatElapsed(seconds) {
const m = Math.floor(seconds / 60);
const s = seconds % 60;
return `${m}:${s.toString().padStart(2, '0')}`;
}
/**
* Parse pass timestamps, accepting legacy malformed UTC strings (+00:00Z).
*/
function parsePassDate(value) {
if (!value || typeof value !== 'string') return null;
let parsed = new Date(value);
if (!Number.isNaN(parsed.getTime())) {
return parsed;
}
// Backward-compatible cleanup for accidentally double-suffixed UTC timestamps.
parsed = new Date(value.replace(/\+00:00Z$/, 'Z'));
if (!Number.isNaN(parsed.getTime())) {
return parsed;
}
return null;
}
/**
* Load pass predictions (with trajectory + ground track)
*/
async function loadPasses() {
let storedLat, storedLon;
// Use ObserverLocation if available, otherwise fall back to localStorage
if (window.ObserverLocation && ObserverLocation.isSharedEnabled()) {
const shared = ObserverLocation.getShared();
storedLat = shared?.lat?.toString();
storedLon = shared?.lon?.toString();
} else {
storedLat = localStorage.getItem('observerLat');
storedLon = localStorage.getItem('observerLon');
}
if (!storedLat || !storedLon) {
passes = [];
selectedPassIndex = -1;
renderPasses([]);
renderTimeline([]);
updateCountdownFromPasses();
updateGroundTrack(null);
return;
}
try {
const url = `/weather-sat/passes?latitude=${storedLat}&longitude=${storedLon}&hours=24&min_elevation=15&trajectory=true&ground_track=true`;
const response = await fetch(url);
const data = await response.json();
if (data.status === 'ok') {
passes = data.passes || [];
// Apply satellite filter and render
applyPassFilter();
}
} catch (err) {
console.error('Failed to load passes:', err);
}
}
/**
* Select a pass to display in polar plot and map
*/
function selectPass(index) {
const filtered = getFilteredPasses();
if (index < 0 || index >= filtered.length) return;
selectedPassIndex = index;
const pass = filtered[index];
// Highlight active card
document.querySelectorAll('.wxsat-pass-card').forEach((card, i) => {
card.classList.toggle('selected', i === index);
});
// Update polar plot
drawPolarPlot(pass);
// Update ground track
updateGroundTrack(pass);
// Update polar panel subtitle
const polarSat = document.getElementById('wxsatPolarSat');
if (polarSat) polarSat.textContent = `${pass.name} ${pass.maxEl}\u00b0`;
}
/**
* Render pass predictions list
*/
function renderPasses(passList) {
const container = document.getElementById('wxsatPassesList');
const countEl = document.getElementById('wxsatPassesCount');
if (countEl) countEl.textContent = passList.length;
if (!container) return;
if (passList.length === 0) {
const hasLocation = localStorage.getItem('observerLat') !== null;
container.innerHTML = `
<div class="wxsat-gallery-empty">
<p>${hasLocation ? 'No passes in next 24h' : 'Set location to see pass predictions'}</p>
</div>
`;
return;
}
container.innerHTML = passList.map((pass, idx) => {
const modeClass = pass.mode === 'APT' ? 'apt' : 'lrpt';
const timeStr = pass.startTime || '--';
const now = new Date();
const passStart = parsePassDate(pass.startTimeISO);
const diffMs = passStart ? passStart - now : NaN;
const diffMins = Number.isFinite(diffMs) ? Math.floor(diffMs / 60000) : NaN;
const isSelected = idx === selectedPassIndex;
let countdown = '--';
if (!Number.isFinite(diffMs)) {
countdown = '--';
} else if (diffMs < 0) {
countdown = 'NOW';
} else if (diffMins < 60) {
countdown = `in ${diffMins}m`;
} else {
const hrs = Math.floor(diffMins / 60);
const mins = diffMins % 60;
countdown = `in ${hrs}h${mins}m`;
}
return `
<div class="wxsat-pass-card${isSelected ? ' selected' : ''}" onclick="WeatherSat.selectPass(${idx})">
<div class="wxsat-pass-sat">
<span class="wxsat-pass-sat-name">${escapeHtml(pass.name)}</span>
<span class="wxsat-pass-mode ${modeClass}">${escapeHtml(pass.mode)}</span>
</div>
<div class="wxsat-pass-details">
<span class="wxsat-pass-detail-label">Time</span>
<span class="wxsat-pass-detail-value">${escapeHtml(timeStr)}</span>
<span class="wxsat-pass-detail-label">Max El</span>
<span class="wxsat-pass-detail-value">${pass.maxEl}&deg;</span>
<span class="wxsat-pass-detail-label">Duration</span>
<span class="wxsat-pass-detail-value">${pass.duration} min</span>
<span class="wxsat-pass-detail-label">Freq</span>
<span class="wxsat-pass-detail-value">${pass.frequency} MHz</span>
</div>
<div style="display: flex; align-items: center; justify-content: space-between; margin-top: 4px;">
<span class="wxsat-pass-quality ${pass.quality}">${pass.quality}</span>
<span style="font-size: 10px; color: var(--text-dim); font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;">${countdown}</span>
</div>
<div style="margin-top: 6px; text-align: right;">
<button class="wxsat-strip-btn" onclick="event.stopPropagation(); WeatherSat.startPass('${escapeHtml(pass.satellite)}')" style="font-size: 10px; padding: 2px 8px;">Capture</button>
</div>
</div>
`;
}).join('');
}
// ========================
// Polar Plot
// ========================
/**
* Draw polar plot for a pass trajectory
*/
function drawPolarPlot(pass) {
const canvas = document.getElementById('wxsatPolarCanvas');
if (!canvas) return;
const ctx = canvas.getContext('2d');
const w = canvas.width;
const h = canvas.height;
const cx = w / 2;
const cy = h / 2;
const r = Math.min(cx, cy) - 20;
ctx.clearRect(0, 0, w, h);
// Background
ctx.fillStyle = '#0d1117';
ctx.fillRect(0, 0, w, h);
// Grid circles (30, 60, 90 deg elevation)
ctx.strokeStyle = '#2a3040';
ctx.lineWidth = 0.5;
[90, 60, 30].forEach((el, i) => {
const gr = r * (1 - el / 90);
ctx.beginPath();
ctx.arc(cx, cy, gr, 0, Math.PI * 2);
ctx.stroke();
// Label
ctx.fillStyle = '#555';
ctx.font = '9px Roboto Condensed, monospace';
ctx.textAlign = 'left';
ctx.fillText(el + '\u00b0', cx + gr + 3, cy - 2);
});
// Horizon circle
ctx.strokeStyle = '#3a4050';
ctx.lineWidth = 1;
ctx.beginPath();
ctx.arc(cx, cy, r, 0, Math.PI * 2);
ctx.stroke();
// Cardinal directions
ctx.fillStyle = '#666';
ctx.font = '10px Roboto Condensed, monospace';
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
ctx.fillText('N', cx, cy - r - 10);
ctx.fillText('S', cx, cy + r + 10);
ctx.fillText('E', cx + r + 10, cy);
ctx.fillText('W', cx - r - 10, cy);
// Cross hairs
ctx.strokeStyle = '#2a3040';
ctx.lineWidth = 0.5;
ctx.beginPath();
ctx.moveTo(cx, cy - r);
ctx.lineTo(cx, cy + r);
ctx.moveTo(cx - r, cy);
ctx.lineTo(cx + r, cy);
ctx.stroke();
// Trajectory
const trajectory = pass.trajectory;
if (!trajectory || trajectory.length === 0) return;
const color = pass.mode === 'LRPT' ? '#00ff88' : '#00d4ff';
ctx.beginPath();
ctx.strokeStyle = color;
ctx.lineWidth = 2;
trajectory.forEach((pt, i) => {
const elRad = (90 - pt.el) / 90;
const azRad = (pt.az - 90) * Math.PI / 180; // offset: N is up
const px = cx + r * elRad * Math.cos(azRad);
const py = cy + r * elRad * Math.sin(azRad);
if (i === 0) ctx.moveTo(px, py);
else ctx.lineTo(px, py);
});
ctx.stroke();
// Start point (green dot)
const start = trajectory[0];
const startR = (90 - start.el) / 90;
const startAz = (start.az - 90) * Math.PI / 180;
ctx.fillStyle = '#00ff88';
ctx.beginPath();
ctx.arc(cx + r * startR * Math.cos(startAz), cy + r * startR * Math.sin(startAz), 4, 0, Math.PI * 2);
ctx.fill();
// End point (red dot)
const end = trajectory[trajectory.length - 1];
const endR = (90 - end.el) / 90;
const endAz = (end.az - 90) * Math.PI / 180;
ctx.fillStyle = '#ff4444';
ctx.beginPath();
ctx.arc(cx + r * endR * Math.cos(endAz), cy + r * endR * Math.sin(endAz), 4, 0, Math.PI * 2);
ctx.fill();
// Max elevation marker
let maxEl = 0;
let maxPt = trajectory[0];
trajectory.forEach(pt => { if (pt.el > maxEl) { maxEl = pt.el; maxPt = pt; } });
const maxR = (90 - maxPt.el) / 90;
const maxAz = (maxPt.az - 90) * Math.PI / 180;
ctx.fillStyle = color;
ctx.beginPath();
ctx.arc(cx + r * maxR * Math.cos(maxAz), cy + r * maxR * Math.sin(maxAz), 3, 0, Math.PI * 2);
ctx.fill();
ctx.fillStyle = color;
ctx.font = '9px Roboto Condensed, monospace';
ctx.textAlign = 'center';
ctx.fillText(Math.round(maxEl) + '\u00b0', cx + r * maxR * Math.cos(maxAz), cy + r * maxR * Math.sin(maxAz) - 8);
}
// ========================
// Ground Track Map
// ========================
/**
* Initialize styled real-world map panel.
*/
async function initGroundMap() {
const container = document.getElementById('wxsatGroundMap');
if (!container) return;
if (typeof L === 'undefined') return;
const observer = getObserverCoords();
const defaultCenter = observer
? [Math.max(-85, Math.min(85, observer.lat)), normalizeLon(observer.lon)]
: [12, 0];
const defaultZoom = 1;
if (!groundMap) {
groundMap = L.map(container, {
center: defaultCenter,
zoom: defaultZoom,
minZoom: 1,
maxZoom: 7,
zoomControl: false,
attributionControl: false,
worldCopyJump: true,
preferCanvas: true,
});
if (typeof Settings !== 'undefined' && Settings.createTileLayer) {
await Settings.init();
Settings.createTileLayer().addTo(groundMap);
Settings.registerMap(groundMap);
} else {
L.tileLayer('https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png', {
subdomains: 'abcd',
maxZoom: 18,
noWrap: false,
crossOrigin: true,
className: 'tile-layer-cyan',
}).addTo(groundMap);
}
groundGridLayer = L.layerGroup().addTo(groundMap);
addStyledGridOverlay(groundGridLayer);
groundTrackLayer = L.layerGroup().addTo(groundMap);
groundOverlayLayer = L.layerGroup().addTo(groundMap);
}
setTimeout(() => {
if (!groundMap) return;
groundMap.invalidateSize(false);
groundMap.setView(defaultCenter, defaultZoom, { animate: false });
updateGroundTrack(getSelectedPass());
}, 140);
}
/**
* Update map panel subtitle.
*/
function updateProjectionInfo(text) {
const infoEl = document.getElementById('wxsatMapInfo');
if (infoEl) infoEl.textContent = text || '--';
}
/**
* Normalize longitude to [-180, 180).
*/
function normalizeLon(value) {
const lon = Number(value);
if (!isFinite(lon)) return 0;
return ((((lon + 180) % 360) + 360) % 360) - 180;
}
/**
* Build track segments that do not cross the date line.
*/
function buildTrackSegments(track) {
const segments = [];
let currentSegment = [];
track.forEach((point) => {
const lat = Number(point?.lat);
const lon = normalizeLon(point?.lon);
if (!isFinite(lat) || !isFinite(lon)) return;
if (currentSegment.length > 0) {
const prevLon = currentSegment[currentSegment.length - 1][1];
if (Math.abs(lon - prevLon) > 180) {
if (currentSegment.length > 1) segments.push(currentSegment);
currentSegment = [];
}
}
currentSegment.push([lat, lon]);
});
if (currentSegment.length > 1) segments.push(currentSegment);
return segments;
}
/**
* Draw a subtle graticule over the base map for a cyber/wireframe look.
*/
function addStyledGridOverlay(layer) {
if (!layer || typeof L === 'undefined') return;
layer.clearLayers();
for (let lon = -180; lon <= 180; lon += 30) {
const line = [];
for (let lat = -85; lat <= 85; lat += 5) line.push([lat, lon]);
L.polyline(line, {
color: '#4ed2ff',
weight: lon % 60 === 0 ? 1.1 : 0.8,
opacity: lon % 60 === 0 ? 0.2 : 0.12,
interactive: false,
lineCap: 'round',
}).addTo(layer);
}
for (let lat = -75; lat <= 75; lat += 15) {
const line = [];
for (let lon = -180; lon <= 180; lon += 5) line.push([lat, lon]);
L.polyline(line, {
color: '#5be7ff',
weight: lat % 30 === 0 ? 1.1 : 0.8,
opacity: lat % 30 === 0 ? 0.2 : 0.12,
interactive: false,
lineCap: 'round',
}).addTo(layer);
}
}
function clearSatelliteCrosshair() {
if (!groundOverlayLayer || !satCrosshairMarker) return;
groundOverlayLayer.removeLayer(satCrosshairMarker);
satCrosshairMarker = null;
}
function createSatelliteCrosshairIcon() {
return L.divIcon({
className: 'wxsat-crosshair-icon',
iconSize: [30, 30],
iconAnchor: [15, 15],
html: `
<div class="wxsat-crosshair-marker">
<span class="wxsat-crosshair-h"></span>
<span class="wxsat-crosshair-v"></span>
<span class="wxsat-crosshair-ring"></span>
<span class="wxsat-crosshair-dot"></span>
</div>
`,
});
}
/**
* Update selected ground track and redraw map overlays.
*/
function updateGroundTrack(pass) {
if (!groundMap || !groundTrackLayer) return;
groundTrackLayer.clearLayers();
observerMarker = null;
if (!pass) {
clearSatelliteCrosshair();
updateProjectionInfo('--');
return;
}
const track = pass?.groundTrack;
if (!Array.isArray(track) || track.length === 0) {
clearSatelliteCrosshair();
updateProjectionInfo(`${pass.name || pass.satellite || '--'} --`);
return;
}
const color = pass.mode === 'LRPT' ? '#27ffc6' : '#58ddff';
const glowClass = pass.mode === 'LRPT' ? 'wxsat-pass-track lrpt' : 'wxsat-pass-track apt';
const segments = buildTrackSegments(track);
const validPoints = track
.map((point) => [Number(point?.lat), normalizeLon(point?.lon)])
.filter((point) => isFinite(point[0]) && isFinite(point[1]));
segments.forEach((segment) => {
L.polyline(segment, {
color,
weight: 2.3,
opacity: 0.9,
className: glowClass,
interactive: false,
lineJoin: 'round',
}).addTo(groundTrackLayer);
});
if (validPoints.length > 0) {
L.circleMarker(validPoints[0], {
radius: 4.5,
color: '#00ffa2',
fillColor: '#00ffa2',
fillOpacity: 0.95,
weight: 0,
interactive: false,
}).addTo(groundTrackLayer);
L.circleMarker(validPoints[validPoints.length - 1], {
radius: 4.5,
color: '#ff5e5e',
fillColor: '#ff5e5e',
fillOpacity: 0.95,
weight: 0,
interactive: false,
}).addTo(groundTrackLayer);
}
let obsLat;
let obsLon;
if (window.ObserverLocation && ObserverLocation.isSharedEnabled()) {
const shared = ObserverLocation.getShared();
obsLat = shared?.lat;
obsLon = shared?.lon;
} else {
obsLat = parseFloat(localStorage.getItem('observerLat'));
obsLon = parseFloat(localStorage.getItem('observerLon'));
}
if (isFinite(obsLat) && isFinite(obsLon)) {
observerMarker = L.circleMarker([obsLat, obsLon], {
radius: 5.5,
color: '#ffd45b',
fillColor: '#ffd45b',
fillOpacity: 0.8,
weight: 1,
className: 'wxsat-observer-marker',
interactive: false,
}).addTo(groundTrackLayer);
}
updateSatelliteCrosshair(pass);
}
function getSelectedPass() {
const filtered = getFilteredPasses();
if (selectedPassIndex < 0 || selectedPassIndex >= filtered.length) return null;
return filtered[selectedPassIndex];
}
function getSatellitePositionForPass(pass, atTime = new Date()) {
const track = pass?.groundTrack;
if (!Array.isArray(track) || track.length === 0) return null;
const first = track[0];
if (track.length === 1) {
const lat = Number(first.lat);
const lon = Number(first.lon);
if (!isFinite(lat) || !isFinite(lon)) return null;
return { lat, lon };
}
const start = parsePassDate(pass.startTimeISO);
const end = parsePassDate(pass.endTimeISO);
let fraction = 0;
if (start && end && end > start) {
const totalMs = end.getTime() - start.getTime();
const elapsedMs = atTime.getTime() - start.getTime();
fraction = Math.max(0, Math.min(1, elapsedMs / totalMs));
}
const lastIndex = track.length - 1;
const idxFloat = fraction * lastIndex;
const idx0 = Math.floor(idxFloat);
const idx1 = Math.min(lastIndex, idx0 + 1);
const t = idxFloat - idx0;
const p0 = track[idx0];
const p1 = track[idx1];
const lat0 = Number(p0?.lat);
const lon0 = Number(p0?.lon);
const lat1 = Number(p1?.lat);
const lon1 = Number(p1?.lon);
if (!isFinite(lat0) || !isFinite(lon0) || !isFinite(lat1) || !isFinite(lon1)) {
return null;
}
return {
lat: lat0 + ((lat1 - lat0) * t),
lon: lon0 + ((lon1 - lon0) * t),
};
}
function updateSatelliteCrosshair(pass) {
if (!groundMap || !groundOverlayLayer || typeof L === 'undefined') return;
if (!pass) {
clearSatelliteCrosshair();
updateProjectionInfo('--');
return;
}
const position = getSatellitePositionForPass(pass);
if (!position) {
clearSatelliteCrosshair();
updateProjectionInfo(`${pass.name || pass.satellite || '--'} --`);
return;
}
const latlng = [position.lat, normalizeLon(position.lon)];
if (!satCrosshairMarker) {
satCrosshairMarker = L.marker(latlng, {
icon: createSatelliteCrosshairIcon(),
interactive: false,
keyboard: false,
zIndexOffset: 900,
}).addTo(groundOverlayLayer);
} else {
satCrosshairMarker.setLatLng(latlng);
}
const infoText =
`${pass.name || pass.satellite || 'Satellite'} ` +
`${position.lat.toFixed(2)}°, ${normalizeLon(position.lon).toFixed(2)}°`;
updateProjectionInfo(infoText);
if (!satCrosshairMarker.getTooltip()) {
satCrosshairMarker.bindTooltip(infoText, {
direction: 'top',
offset: [0, -12],
opacity: 0.92,
className: 'wxsat-map-tooltip',
});
} else {
satCrosshairMarker.setTooltipContent(infoText);
}
}
// ========================
// Countdown
// ========================
/**
* Start the countdown interval timer
*/
function startCountdownTimer() {
if (countdownInterval) clearInterval(countdownInterval);
countdownInterval = setInterval(updateCountdownFromPasses, 1000);
}
/**
* Update countdown display from passes array
*/
function updateCountdownFromPasses() {
const now = new Date();
let nextPass = null;
let isActive = false;
const filtered = getFilteredPasses();
for (const pass of filtered) {
const start = parsePassDate(pass.startTimeISO);
const end = parsePassDate(pass.endTimeISO);
if (!start || !end) {
continue;
}
if (end > now) {
nextPass = pass;
isActive = start <= now;
break;
}
}
const daysEl = document.getElementById('wxsatCdDays');
const hoursEl = document.getElementById('wxsatCdHours');
const minsEl = document.getElementById('wxsatCdMins');
const secsEl = document.getElementById('wxsatCdSecs');
const satEl = document.getElementById('wxsatCountdownSat');
const detailEl = document.getElementById('wxsatCountdownDetail');
const boxes = document.getElementById('wxsatCountdownBoxes');
if (!nextPass) {
if (daysEl) daysEl.textContent = '--';
if (hoursEl) hoursEl.textContent = '--';
if (minsEl) minsEl.textContent = '--';
if (secsEl) secsEl.textContent = '--';
if (satEl) satEl.textContent = '--';
if (detailEl) detailEl.textContent = 'No passes predicted';
if (boxes) boxes.querySelectorAll('.wxsat-countdown-box').forEach(b => {
b.classList.remove('imminent', 'active');
});
return;
}
const target = parsePassDate(nextPass.startTimeISO);
if (!target) {
if (daysEl) daysEl.textContent = '--';
if (hoursEl) hoursEl.textContent = '--';
if (minsEl) minsEl.textContent = '--';
if (secsEl) secsEl.textContent = '--';
if (satEl) satEl.textContent = '--';
if (detailEl) detailEl.textContent = 'Invalid pass time';
if (boxes) boxes.querySelectorAll('.wxsat-countdown-box').forEach(b => {
b.classList.remove('imminent', 'active');
});
return;
}
let diffMs = target - now;
if (isActive) {
diffMs = 0;
}
const totalSec = Math.max(0, Math.floor(diffMs / 1000));
const d = Math.floor(totalSec / 86400);
const h = Math.floor((totalSec % 86400) / 3600);
const m = Math.floor((totalSec % 3600) / 60);
const s = totalSec % 60;
if (daysEl) daysEl.textContent = d.toString().padStart(2, '0');
if (hoursEl) hoursEl.textContent = h.toString().padStart(2, '0');
if (minsEl) minsEl.textContent = m.toString().padStart(2, '0');
if (secsEl) secsEl.textContent = s.toString().padStart(2, '0');
if (satEl) satEl.textContent = `${nextPass.name} ${nextPass.frequency} MHz`;
if (detailEl) {
if (isActive) {
detailEl.textContent = `ACTIVE - ${nextPass.maxEl}\u00b0 max el`;
} else {
detailEl.textContent = `${nextPass.maxEl}\u00b0 max el / ${nextPass.duration} min`;
}
}
// Countdown box states
if (boxes) {
const isImminent = totalSec < 600 && totalSec > 0; // < 10 min
boxes.querySelectorAll('.wxsat-countdown-box').forEach(b => {
b.classList.toggle('imminent', isImminent);
b.classList.toggle('active', isActive);
});
}
// Keep timeline cursor in sync
updateTimelineCursor();
// Keep selected satellite marker synchronized with time progression.
updateSatelliteCrosshair(getSelectedPass());
}
// ========================
// Timeline
// ========================
/**
* Render 24h timeline with pass markers
*/
function renderTimeline(passList) {
const track = document.getElementById('wxsatTimelineTrack');
const cursor = document.getElementById('wxsatTimelineCursor');
if (!track) return;
// Clear existing pass markers
track.querySelectorAll('.wxsat-timeline-pass').forEach(el => el.remove());
const now = new Date();
const dayStart = new Date(now);
dayStart.setHours(0, 0, 0, 0);
const dayMs = 24 * 60 * 60 * 1000;
passList.forEach((pass, idx) => {
const start = parsePassDate(pass.startTimeISO);
const end = parsePassDate(pass.endTimeISO);
if (!start || !end) return;
const startPct = Math.max(0, Math.min(100, ((start - dayStart) / dayMs) * 100));
const endPct = Math.max(0, Math.min(100, ((end - dayStart) / dayMs) * 100));
const widthPct = Math.max(0.5, endPct - startPct);
const marker = document.createElement('div');
marker.className = `wxsat-timeline-pass ${pass.mode === 'LRPT' ? 'lrpt' : 'apt'}`;
marker.style.left = startPct + '%';
marker.style.width = widthPct + '%';
marker.title = `${pass.name} ${pass.startTime} (${pass.maxEl}\u00b0)`;
marker.onclick = () => selectPass(idx);
track.appendChild(marker);
});
// Update cursor position
updateTimelineCursor();
}
/**
* Update timeline cursor to current time
*/
function updateTimelineCursor() {
const cursor = document.getElementById('wxsatTimelineCursor');
if (!cursor) return;
const now = new Date();
const dayStart = new Date(now);
dayStart.setHours(0, 0, 0, 0);
const pct = ((now - dayStart) / (24 * 60 * 60 * 1000)) * 100;
cursor.style.left = pct + '%';
}
// ========================
// Auto-Scheduler
// ========================
/**
* Toggle auto-scheduler
*/
async function toggleScheduler(source) {
const checked = source?.checked ?? false;
const stripCheckbox = document.getElementById('wxsatAutoSchedule');
const sidebarCheckbox = document.getElementById('wxsatSidebarAutoSchedule');
// Sync both checkboxes to the source of truth
if (stripCheckbox) stripCheckbox.checked = checked;
if (sidebarCheckbox) sidebarCheckbox.checked = checked;
if (checked) {
await enableScheduler();
} else {
await disableScheduler();
}
}
/**
* Enable auto-scheduler
*/
async function enableScheduler() {
let lat, lon;
if (window.ObserverLocation && ObserverLocation.isSharedEnabled()) {
const shared = ObserverLocation.getShared();
lat = shared?.lat;
lon = shared?.lon;
} else {
lat = parseFloat(localStorage.getItem('observerLat'));
lon = parseFloat(localStorage.getItem('observerLon'));
}
if (isNaN(lat) || isNaN(lon)) {
showNotification('Weather Sat', 'Set observer location first');
const stripCheckbox = document.getElementById('wxsatAutoSchedule');
const sidebarCheckbox = document.getElementById('wxsatSidebarAutoSchedule');
if (stripCheckbox) stripCheckbox.checked = false;
if (sidebarCheckbox) sidebarCheckbox.checked = false;
return;
}
const deviceSelect = document.getElementById('deviceSelect');
const gainInput = document.getElementById('weatherSatGain');
const biasTInput = document.getElementById('weatherSatBiasT');
try {
const response = await fetch('/weather-sat/schedule/enable', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
latitude: lat,
longitude: lon,
device: parseInt(deviceSelect?.value || '0', 10),
gain: parseFloat(gainInput?.value || '40'),
bias_t: biasTInput?.checked || false,
}),
});
let data = {};
try {
data = await response.json();
} catch (err) {
data = {};
}
if (!response.ok || !data || data.enabled !== true) {
schedulerEnabled = false;
updateSchedulerUI({ enabled: false, scheduled_count: 0 });
showNotification('Weather Sat', data.message || 'Failed to enable auto-scheduler');
return;
}
schedulerEnabled = true;
updateSchedulerUI(data);
startStream();
showNotification('Weather Sat', `Auto-scheduler enabled (${data.scheduled_count || 0} passes)`);
} catch (err) {
console.error('Failed to enable scheduler:', err);
schedulerEnabled = false;
updateSchedulerUI({ enabled: false, scheduled_count: 0 });
showNotification('Weather Sat', 'Failed to enable auto-scheduler');
}
}
/**
* Disable auto-scheduler
*/
async function disableScheduler() {
try {
const response = await fetch('/weather-sat/schedule/disable', { method: 'POST' });
if (!response.ok) {
showNotification('Weather Sat', 'Failed to disable auto-scheduler');
return;
}
schedulerEnabled = false;
updateSchedulerUI({ enabled: false });
if (!isRunning) stopStream();
showNotification('Weather Sat', 'Auto-scheduler disabled');
} catch (err) {
console.error('Failed to disable scheduler:', err);
}
}
/**
* Check current scheduler status
*/
async function checkSchedulerStatus() {
try {
const response = await fetch('/weather-sat/schedule/status');
if (!response.ok) return;
const data = await response.json();
schedulerEnabled = data.enabled;
updateSchedulerUI(data);
if (schedulerEnabled) startStream();
} catch (err) {
// Scheduler endpoint may not exist yet
}
}
/**
* Update scheduler UI elements
*/
function updateSchedulerUI(data) {
const stripCheckbox = document.getElementById('wxsatAutoSchedule');
const sidebarCheckbox = document.getElementById('wxsatSidebarAutoSchedule');
const statusEl = document.getElementById('wxsatSchedulerStatus');
if (stripCheckbox) stripCheckbox.checked = data.enabled;
if (sidebarCheckbox) sidebarCheckbox.checked = data.enabled;
if (statusEl) {
if (data.enabled) {
statusEl.textContent = `Active: ${data.scheduled_count || 0} passes queued`;
statusEl.style.color = '#00ff88';
} else {
statusEl.textContent = 'Disabled';
statusEl.style.color = '';
}
}
}
// ========================
// Images
// ========================
/**
* Load decoded images
*/
async function loadImages() {
try {
const response = await fetch('/weather-sat/images');
const data = await response.json();
if (data.status === 'ok') {
images = data.images || [];
updateImageCount(images.length);
renderGallery();
}
} catch (err) {
console.error('Failed to load weather sat images:', err);
}
}
/**
* Update image count
*/
function updateImageCount(count) {
const countEl = document.getElementById('wxsatImageCount');
const stripCount = document.getElementById('wxsatStripImageCount');
if (countEl) countEl.textContent = count;
if (stripCount) stripCount.textContent = count;
}
/**
* Render image gallery grouped by date
*/
function renderGallery() {
const gallery = document.getElementById('wxsatGallery');
if (!gallery) return;
if (images.length === 0) {
gallery.innerHTML = `
<div class="wxsat-gallery-empty">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
<circle cx="12" cy="12" r="10"/>
<path d="M2 12h20"/>
<path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/>
</svg>
<p>No images decoded yet</p>
<p style="margin-top: 4px; font-size: 11px;">Select a satellite pass and start capturing</p>
</div>
`;
return;
}
// Sort by timestamp descending
const sorted = [...images].sort((a, b) => {
return new Date(b.timestamp || 0) - new Date(a.timestamp || 0);
});
// Group by date
const groups = {};
sorted.forEach(img => {
const dateKey = img.timestamp
? new Date(img.timestamp).toLocaleDateString(undefined, { year: 'numeric', month: 'short', day: 'numeric' })
: 'Unknown Date';
if (!groups[dateKey]) groups[dateKey] = [];
groups[dateKey].push(img);
});
let html = '';
for (const [date, imgs] of Object.entries(groups)) {
html += `<div class="wxsat-date-header">${escapeHtml(date)}</div>`;
html += imgs.map(img => {
const fn = escapeHtml(img.filename || img.url.split('/').pop());
return `
<div class="wxsat-image-card">
<div class="wxsat-image-clickable" onclick="WeatherSat.showImage('${escapeHtml(img.url)}', '${escapeHtml(img.satellite)}', '${escapeHtml(img.product)}', '${fn}')">
<img src="${escapeHtml(img.url)}" alt="${escapeHtml(img.satellite)} ${escapeHtml(img.product)}" class="wxsat-image-preview" loading="lazy">
<div class="wxsat-image-info">
<div class="wxsat-image-sat">${escapeHtml(img.satellite)}</div>
<div class="wxsat-image-product">${escapeHtml(img.product || img.mode)}</div>
<div class="wxsat-image-timestamp">${formatTimestamp(img.timestamp)}</div>
</div>
</div>
<div class="wxsat-image-actions">
<button onclick="event.stopPropagation(); WeatherSat.deleteImage('${fn}')" title="Delete image">
<svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="3 6 5 6 21 6"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/>
</svg>
</button>
</div>
</div>`;
}).join('');
}
gallery.innerHTML = html;
}
/**
* Show full-size image
*/
function showImage(url, satellite, product, filename) {
currentModalFilename = filename || null;
let modal = document.getElementById('wxsatImageModal');
if (!modal) {
modal = document.createElement('div');
modal.id = 'wxsatImageModal';
modal.className = 'wxsat-image-modal';
modal.innerHTML = `
<div class="wxsat-modal-toolbar">
<button class="wxsat-modal-btn delete" onclick="WeatherSat.deleteImage(WeatherSat._getModalFilename())" title="Delete image">
<svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="3 6 5 6 21 6"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/>
</svg>
</button>
</div>
<button class="wxsat-modal-close" onclick="WeatherSat.closeImage()">&times;</button>
<img src="" alt="Weather Satellite Image">
<div class="wxsat-modal-info"></div>
`;
modal.addEventListener('click', (e) => {
if (e.target === modal) closeImage();
});
document.body.appendChild(modal);
}
modal.querySelector('img').src = url;
const info = modal.querySelector('.wxsat-modal-info');
if (info) {
info.textContent = `${satellite || ''} ${product ? '// ' + product : ''}`;
}
modal.classList.add('show');
}
/**
* Close image modal
*/
function closeImage() {
const modal = document.getElementById('wxsatImageModal');
if (modal) modal.classList.remove('show');
}
/**
* Delete a single image
*/
async function deleteImage(filename) {
if (!filename) return;
if (!confirm(`Delete this image?`)) return;
try {
const response = await fetch(`/weather-sat/images/${encodeURIComponent(filename)}`, { method: 'DELETE' });
const data = await response.json();
if (data.status === 'deleted') {
images = images.filter(img => {
const imgFn = img.filename || img.url.split('/').pop();
return imgFn !== filename;
});
updateImageCount(images.length);
renderGallery();
closeImage();
} else {
showNotification('Weather Sat', data.message || 'Failed to delete image');
}
} catch (err) {
console.error('Failed to delete image:', err);
showNotification('Weather Sat', 'Failed to delete image');
}
}
/**
* Delete all images
*/
async function deleteAllImages() {
if (images.length === 0) return;
if (!confirm(`Delete all ${images.length} decoded images?`)) return;
try {
const response = await fetch('/weather-sat/images', { method: 'DELETE' });
const data = await response.json();
if (data.status === 'ok') {
images = [];
updateImageCount(0);
renderGallery();
showNotification('Weather Sat', `Deleted ${data.deleted} images`);
} else {
showNotification('Weather Sat', 'Failed to delete images');
}
} catch (err) {
console.error('Failed to delete all images:', err);
showNotification('Weather Sat', 'Failed to delete images');
}
}
/**
* Format timestamp
*/
function formatTimestamp(isoString) {
if (!isoString) return '--';
try {
return new Date(isoString).toLocaleString();
} catch {
return isoString;
}
}
/**
* Escape HTML
*/
function escapeHtml(text) {
if (!text) return '';
const div = document.createElement('div');
div.textContent = text;
return div.innerHTML;
}
/**
* Invalidate ground map size (call after container becomes visible)
*/
function invalidateMap() {
setTimeout(() => {
if (!groundMap) {
initGroundMap();
return;
}
groundMap.invalidateSize(false);
updateGroundTrack(getSelectedPass());
}, 100);
}
// ========================
// Decoder Console
// ========================
/**
* Add an entry to the decoder console log
*/
function addConsoleEntry(message, logType) {
const log = document.getElementById('wxsatConsoleLog');
if (!log) return;
const entry = document.createElement('div');
entry.className = `wxsat-console-entry wxsat-log-${logType || 'info'}`;
entry.textContent = message;
log.appendChild(entry);
consoleEntries.push(entry);
// Cap at 200 entries
while (consoleEntries.length > 200) {
const old = consoleEntries.shift();
if (old.parentNode) old.parentNode.removeChild(old);
}
// Auto-scroll to bottom
log.scrollTop = log.scrollHeight;
}
/**
* Update the phase indicator steps
*/
function updatePhaseIndicator(phase) {
if (!phase || phase === currentPhase) return;
currentPhase = phase;
const phases = ['tuning', 'listening', 'signal_detected', 'decoding', 'complete'];
const phaseIndex = phases.indexOf(phase);
const isError = phase === 'error';
document.querySelectorAll('#wxsatPhaseIndicator .wxsat-phase-step').forEach(step => {
const stepPhase = step.dataset.phase;
const stepIndex = phases.indexOf(stepPhase);
step.classList.remove('active', 'completed', 'error');
if (isError) {
if (stepPhase === currentPhase || stepIndex === phaseIndex) {
step.classList.add('error');
}
} else if (stepIndex === phaseIndex) {
step.classList.add('active');
} else if (stepIndex < phaseIndex && phaseIndex >= 0) {
step.classList.add('completed');
}
});
}
/**
* Show or hide the decoder console
*/
function showConsole(visible) {
const el = document.getElementById('wxsatSignalConsole');
if (el) el.classList.toggle('active', visible);
if (consoleAutoHideTimer) {
clearTimeout(consoleAutoHideTimer);
consoleAutoHideTimer = null;
}
}
/**
* Toggle console body collapsed state
*/
function toggleConsole() {
const body = document.getElementById('wxsatConsoleBody');
const btn = document.getElementById('wxsatConsoleToggle');
if (!body) return;
consoleCollapsed = !consoleCollapsed;
body.classList.toggle('collapsed', consoleCollapsed);
if (btn) btn.classList.toggle('collapsed', consoleCollapsed);
}
/**
* Clear console entries and reset phase indicator
*/
function clearConsole() {
const log = document.getElementById('wxsatConsoleLog');
if (log) log.innerHTML = '';
consoleEntries = [];
currentPhase = 'idle';
document.querySelectorAll('#wxsatPhaseIndicator .wxsat-phase-step').forEach(step => {
step.classList.remove('active', 'completed', 'error');
});
if (consoleAutoHideTimer) {
clearTimeout(consoleAutoHideTimer);
consoleAutoHideTimer = null;
}
}
/**
* Suspend background activity when leaving the mode.
* Closes the SSE stream and stops the countdown interval so they don't
* keep running while another mode is active. The stream is re-opened
* by init() or startStream() when the mode is next entered.
*/
function suspend() {
if (countdownInterval) {
clearInterval(countdownInterval);
countdownInterval = null;
}
// Only close the stream if nothing is actively capturing/scheduling —
// if a capture or scheduler is running we want it to continue on the
// server and the stream will reconnect on next init().
if (!isRunning && !schedulerEnabled) {
stopStream();
}
}
// Public API
return {
init,
suspend,
start,
stop,
startPass,
selectPass,
testDecode,
loadImages,
loadPasses,
showImage,
closeImage,
deleteImage,
deleteAllImages,
useGPS,
toggleScheduler,
invalidateMap,
toggleConsole,
_getModalFilename: () => currentModalFilename,
};
})();
document.addEventListener('DOMContentLoaded', function() {
// Initialization happens via selectMode when weather-satellite mode is activated
});