ESP32 WiFi recon cluster

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bot
2026-04-03 14:38:38 +03:00
commit a73aae21ad
15 changed files with 237204 additions and 0 deletions
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*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--bg: #0c110e;
--bg-panel: #111a14;
--bg-hover: #1a2b1e;
--border: #1e3024;
--green-dim: #2a5c38;
--green-mid: #3a8c50;
--green-hi: #4ec96a;
--green-live: #00ff6a;
--text: #c8d8cc;
--text-dim: #5a7a60;
--text-muted: #3a5040;
--orange: #e67e22;
}
html, body {
height: 100%;
background: var(--bg);
color: var(--text);
font-family: 'IBM Plex Mono', monospace;
font-size: 13px;
line-height: 1.5;
}
/* ── Layout ── */
#app {
display: grid;
grid-template-rows: 44px 42px 1fr;
grid-template-columns: 220px 1fr;
height: 100vh;
overflow: hidden;
}
/* ── Topbar ── */
#topbar {
grid-column: 1 / -1;
display: flex;
align-items: center;
gap: 12px;
padding: 0 20px;
border-bottom: 1px solid var(--border);
background: var(--bg-panel);
}
#topbar .title {
font-size: 13px;
font-weight: 500;
letter-spacing: 0.08em;
color: var(--green-hi);
text-transform: uppercase;
}
#topbar .sep { color: var(--text-muted); }
#topbar .build-info {
font-size: 10px;
color: var(--text-muted);
letter-spacing: 0.04em;
}
#live-dot {
width: 7px; height: 7px;
border-radius: 50%;
background: var(--text-muted);
margin-left: auto;
transition: background 0.3s;
}
#live-dot.alive { background: var(--green-live); box-shadow: 0 0 6px var(--green-live); }
#live-label {
font-size: 10px;
color: var(--text-muted);
letter-spacing: 0.06em;
}
#live-dot.alive + #live-label { color: var(--green-hi); }
/* ── Navbar ── */
#navbar {
grid-column: 1 / -1;
display: flex;
align-items: stretch;
background: var(--bg);
border-bottom: 1px solid var(--border);
padding: 0 20px;
gap: 4px;
}
.tab-btn {
font-family: 'IBM Plex Mono', monospace;
font-size: 11px;
letter-spacing: 0.1em;
text-transform: uppercase;
background: none;
border: none;
border-bottom: 2px solid transparent;
color: var(--text-muted);
padding: 0 18px;
cursor: pointer;
margin-bottom: -1px;
transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover { color: var(--text-dim); }
.tab-btn.active {
color: var(--green-hi);
border-bottom-color: var(--green-hi);
}
/* ── Sidebar ── */
#sidebar {
border-right: 1px solid var(--border);
background: var(--bg-panel);
overflow-y: auto;
padding: 12px 0;
}
.sidebar-section {
padding: 0 14px;
margin-bottom: 20px;
}
.sidebar-label {
font-size: 9px;
letter-spacing: 0.12em;
color: var(--text-muted);
text-transform: uppercase;
margin-bottom: 8px;
}
.stat-row {
display: flex;
justify-content: space-between;
color: var(--text-dim);
font-size: 11px;
padding: 2px 0;
}
.stat-row span:last-child { color: var(--text); }
#node-list { padding: 0; }
.node-item {
display: flex;
align-items: center;
gap: 10px;
padding: 8px 14px;
cursor: pointer;
border-left: 2px solid transparent;
transition: background 0.15s, border-color 0.15s;
}
.node-item:hover { background: var(--bg-hover); }
.node-item.active {
background: var(--bg-hover);
border-left-color: var(--green-hi);
}
.node-dot {
width: 6px; height: 6px;
border-radius: 50%;
flex-shrink: 0;
}
.node-dot.online { background: var(--green-live); box-shadow: 0 0 4px var(--green-live); }
.node-dot.offline { background: var(--text-muted); }
.node-info { flex: 1; min-width: 0; }
.node-name {
font-size: 12px;
color: var(--text);
font-weight: 500;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.node-meta {
font-size: 10px;
color: var(--text-dim);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.node-count {
font-size: 10px;
color: var(--text-muted);
flex-shrink: 0;
}
.node-hb {
font-size: 9px;
color: var(--text-muted);
letter-spacing: 0.03em;
}
/* ── Main content ── */
#main {
overflow-y: auto;
padding: 20px;
display: flex;
flex-direction: column;
gap: 16px;
}
.view { display: none; flex-direction: column; gap: 16px; }
.view.active { display: flex; }
/* ── Back button ── */
#back-btn, .back-btn {
display: inline-flex;
align-items: center;
gap: 6px;
font-family: inherit;
font-size: 11px;
color: var(--text-dim);
background: none;
border: 1px solid var(--border);
padding: 5px 12px;
cursor: pointer;
letter-spacing: 0.05em;
align-self: flex-start;
transition: color 0.15s, border-color 0.15s;
}
#back-btn:hover, .back-btn:hover { color: var(--green-hi); border-color: var(--green-dim); }
/* ── RSSI chart ── */
#rssi-chart {
width: 100%;
display: block;
background: var(--bg-panel);
border: 1px solid var(--border);
}
#chart-legend {
display: flex;
flex-wrap: wrap;
gap: 16px;
font-size: 10px;
color: var(--text-dim);
margin-bottom: 8px;
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-swatch { width: 24px; height: 2px; flex-shrink: 0; }
.range-btns { display: flex; gap: 4px; }
.range-btn {
font-family: 'IBM Plex Mono', monospace;
font-size: 10px;
letter-spacing: 0.08em;
background: none;
border: 1px solid var(--border);
color: var(--text-muted);
padding: 3px 10px;
cursor: pointer;
transition: color 0.15s, border-color 0.15s;
}
.range-btn:hover { color: var(--text-dim); border-color: var(--green-dim); }
.range-btn.active { color: var(--green-hi); border-color: var(--green-dim); }
.chart-btn {
font-family: 'IBM Plex Mono', monospace;
font-size: 10px;
background: none;
border: 1px solid var(--border);
color: var(--text-muted);
padding: 2px 8px;
cursor: pointer;
transition: color 0.15s, border-color 0.15s;
}
.chart-btn:hover { color: var(--green-hi); border-color: var(--green-dim); }
/* ── Section header ── */
.section-header {
display: flex;
align-items: baseline;
gap: 10px;
padding-bottom: 8px;
border-bottom: 1px solid var(--border);
}
.section-title {
font-size: 10px;
letter-spacing: 0.12em;
text-transform: uppercase;
color: var(--text-dim);
}
.section-count { font-size: 10px; color: var(--text-muted); }
/* ── Node detail stats ── */
#detail-stats-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
gap: 10px;
}
.stat-card {
background: var(--bg-panel);
border: 1px solid var(--border);
padding: 12px 14px;
}
.stat-card .label {
font-size: 9px;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--text-muted);
margin-bottom: 4px;
}
.stat-card .value {
font-size: 16px;
font-weight: 500;
color: var(--green-hi);
}
.stat-card .sub { font-size: 10px; color: var(--text-dim); margin-top: 2px; }
/* ── Table ── */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
thead th {
text-align: left;
font-size: 9px;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--text-muted);
padding: 6px 10px;
border-bottom: 1px solid var(--border);
font-weight: 400;
white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background 0.1s; }
tbody tr:hover { background: var(--bg-hover); }
tbody tr.new-row { animation: fadeIn 0.4s ease; }
@keyframes fadeIn {
from { background: var(--green-dim); }
to { background: transparent; }
}
td {
padding: 6px 10px;
color: var(--text);
white-space: nowrap;
max-width: 200px;
overflow: hidden;
text-overflow: ellipsis;
}
td.dim { color: var(--text-dim); }
td.muted { color: var(--text-muted); }
/* ── Badges ── */
.badge { display: inline-block; padding: 1px 6px; font-size: 10px; letter-spacing: 0.04em; }
.badge.high { color: var(--green-live); border: 1px solid var(--green-dim); }
.badge.normal { color: var(--text-dim); border: 1px solid var(--border); }
.badge.low { color: var(--text-muted); border: 1px solid var(--text-muted); }
/* ── RSSI colours ── */
.rssi-hi { color: var(--green-hi); }
.rssi-mid { color: var(--text); }
.rssi-low { color: var(--text-muted); }
/* ── Sortable headers ── */
thead th.sortable { cursor: pointer; user-select: none; }
thead th.sortable:hover { color: var(--text-dim); }
thead th.sort-active { color: var(--green-hi); }
thead th.sort-active::after { content: ' ' attr(data-arrow); }
/* ── Enc / node colours ── */
.enc-open { color: var(--orange); }
.nodes-multi { color: var(--green-hi); }
/* ── Cross-node cells ── */
.cn-best { color: var(--green-hi); font-weight: 500; }
.cn-none { color: var(--text-muted); font-style: italic; }
/* ── Empty state ── */
.empty {
padding: 40px 0;
text-align: center;
color: var(--text-muted);
font-size: 12px;
letter-spacing: 0.06em;
}
/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dim); }
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// ── State ────────────────────────────────────────────────────────────────────
const MAX_ROWS = 100;
let generalEvents = [];
let currentNode = null;
let currentView = 'feed';
let nodeData = {};
let networksData = [];
let netSort = { col: 'times_seen', dir: 'desc' };
let crossNodeData = { node_ids: [], networks: [] };
let clientsData = [];
let chartBssid = null;
let chartHours = 2;
const NODE_COLORS = ['#4ec96a', '#e67e22', '#7eb3ff', '#c678dd'];
// ── Helpers ──────────────────────────────────────────────────────────────────
function fmt(val, fallback = '—') {
return (val !== null && val !== undefined && val !== '') ? val : fallback;
}
function rssiClass(rssi) {
if (rssi >= -50) return 'rssi-hi';
if (rssi >= -80) return 'rssi-mid';
return 'rssi-low';
}
function impBadge(imp) {
const cls = ['high', 'normal', 'low'].includes(imp) ? imp : 'normal';
return `<span class="badge ${cls}">${fmt(imp)}</span>`;
}
function shortTime(iso) {
if (!iso) return '—';
return iso.replace('T', ' ');
}
function fmtUptime(ms) {
if (ms == null) return '—';
const s = Math.floor(ms / 1000);
const m = Math.floor(s / 60);
const h = Math.floor(m / 60);
const d = Math.floor(h / 24);
if (d > 0) return `${d}d ${h % 24}h`;
if (h > 0) return `${h}h ${m % 60}m`;
if (m > 0) return `${m}m`;
return `${s}s`;
}
// ── Sidebar ──────────────────────────────────────────────────────────────────
function renderSidebar(nodes) {
const online = nodes.filter(n => n.status === 'online').length;
document.getElementById('sum-nodes').textContent = nodes.length;
document.getElementById('sum-online').textContent = online;
document.getElementById('node-list').innerHTML = nodes.map(n => {
const hbParts = [];
if (n.uptime_ms != null) hbParts.push(`${fmtUptime(n.uptime_ms)}`);
if (n.free_heap != null) hbParts.push(`${Math.round(n.free_heap / 1024)}K`);
if (n.wifi_rssi != null) hbParts.push(`${n.wifi_rssi}dBm`);
const hbLine = hbParts.join(' · ');
return `
<div class="node-item ${currentNode === n.node_id ? 'active' : ''}"
data-node-id="${n.node_id}"
onclick="showDetail('${n.node_id}')">
<div class="node-dot ${n.status}"></div>
<div class="node-info">
<div class="node-name">${n.node_id}</div>
<div class="node-meta">${shortTime(n.last_seen)}</div>
${hbLine ? `<div class="node-hb">${hbLine}</div>` : ''}
</div>
<div class="node-count">${n.total_events}</div>
</div>`;
}).join('');
}
// ── Feed view ─────────────────────────────────────────────────────────────────
function renderGeneralTable(animate = false) {
const tbody = document.getElementById('general-tbody');
const empty = document.getElementById('general-empty');
document.getElementById('general-count').textContent = `${generalEvents.length} events`;
if (!generalEvents.length) {
tbody.innerHTML = '';
empty.style.display = 'block';
return;
}
empty.style.display = 'none';
if (animate) {
const tr = document.createElement('tr');
tr.className = 'new-row';
tr.innerHTML = generalRowHTML(generalEvents[0]);
tbody.prepend(tr);
while (tbody.rows.length > MAX_ROWS) tbody.deleteRow(tbody.rows.length - 1);
} else {
tbody.innerHTML = generalEvents.map(generalRowHTML).join('');
}
}
function generalRowHTML(r) {
return `<tr>
<td class="dim">${shortTime(r.received_at)}</td>
<td>${fmt(r.node_id)}</td>
<td>${fmt(r.ssid, '<hidden>')}</td>
<td class="dim">${fmt(r.bssid)}</td>
<td class="${rssiClass(r.rssi)}">${fmt(r.rssi)} dBm</td>
<td class="muted">${fmt(r.channel)}</td>
<td class="muted">${fmt(r.encryption)}</td>
<td>${impBadge(r.importance)}</td>
</tr>`;
}
// ── Node detail view ──────────────────────────────────────────────────────────
function renderDetail(d) {
document.getElementById('detail-node-id').textContent = d.node_id;
document.getElementById('ds-status').textContent = d.status.toUpperCase();
document.getElementById('ds-status').style.color = d.status === 'online' ? 'var(--green-live)' : 'var(--text-muted)';
document.getElementById('ds-total').textContent = d.total_events;
document.getElementById('ds-ssids').textContent = d.unique_ssids;
document.getElementById('ds-bssids').textContent = d.unique_bssids;
document.getElementById('ds-rssi-avg').textContent = d.avg_rssi !== null ? `${d.avg_rssi} dBm` : '—';
document.getElementById('ds-rssi-range').textContent = d.min_rssi !== null ? `${d.min_rssi} / ${d.max_rssi} dBm` : '';
document.getElementById('ds-first').textContent = shortTime(d.first_seen);
document.getElementById('ds-last').textContent = shortTime(d.last_seen);
document.getElementById('ds-uptime').textContent = d.uptime_ms != null ? fmtUptime(d.uptime_ms) : '—';
document.getElementById('ds-heap').textContent = d.free_heap != null ? Math.round(d.free_heap / 1024) + ' KB' : '—';
document.getElementById('ds-ap-rssi').textContent = d.wifi_rssi != null ? d.wifi_rssi + ' dBm' : '—';
document.getElementById('detail-count').textContent = `${d.events.length} events (last ${MAX_ROWS})`;
document.getElementById('detail-tbody').innerHTML = d.events.map(r => `
<tr>
<td class="dim">${shortTime(r.received_at)}</td>
<td>${fmt(r.ssid, '<hidden>')}</td>
<td class="dim">${fmt(r.bssid)}</td>
<td class="${rssiClass(r.rssi)}">${fmt(r.rssi)} dBm</td>
<td class="muted">${fmt(r.channel)}</td>
<td class="muted">${fmt(r.encryption)}</td>
<td>${impBadge(r.importance)}</td>
<td class="muted">${fmt(r.confidence)}</td>
</tr>`).join('');
}
// ── Networks view ─────────────────────────────────────────────────────────────
async function fetchNetworks() {
networksData = await fetch('/api/networks').then(r => r.json());
renderNetworksTable();
}
function renderNetworksTable() {
const tbody = document.getElementById('networks-tbody');
const empty = document.getElementById('networks-empty');
const count = document.getElementById('networks-count');
if (!networksData.length) {
tbody.innerHTML = '';
empty.style.display = 'block';
count.textContent = '';
return;
}
empty.style.display = 'none';
const sorted = [...networksData].sort((a, b) => {
let av = a[netSort.col], bv = b[netSort.col];
if (av == null) av = netSort.dir === 'asc' ? Infinity : -Infinity;
if (bv == null) bv = netSort.dir === 'asc' ? Infinity : -Infinity;
if (typeof av === 'string') av = av.toLowerCase();
if (typeof bv === 'string') bv = bv.toLowerCase();
if (av < bv) return netSort.dir === 'asc' ? -1 : 1;
if (av > bv) return netSort.dir === 'asc' ? 1 : -1;
return 0;
});
count.textContent = `${sorted.length} unique networks`;
tbody.innerHTML = sorted.map(r => {
const encCls = (!r.encryption || r.encryption === 'OPEN' || r.encryption === 'None') ? 'enc-open' : 'muted';
const nodeCls = r.node_count > 1 ? 'nodes-multi' : 'muted';
return `<tr>
<td>${fmt(r.ssid, '<hidden>')}</td>
<td class="dim">${fmt(r.bssid)}</td>
<td class="${rssiClass(r.best_rssi)}">${fmt(r.best_rssi)} dBm</td>
<td class="${rssiClass(r.avg_rssi)}">${fmt(r.avg_rssi)} dBm</td>
<td class="muted">${fmt(r.channel)}</td>
<td class="${encCls}">${r.encryption || 'OPEN'}</td>
<td>${fmt(r.times_seen)}</td>
<td class="${nodeCls}">${fmt(r.node_count)}</td>
<td class="dim">${shortTime(r.last_seen)}</td>
<td><button class="chart-btn" onclick="showNetworkChart('${r.bssid}')">&#9654;</button></td>
</tr>`;
}).join('');
}
function initNetworkSort() {
document.querySelectorAll('#view-networks thead th.sortable').forEach(th => {
th.addEventListener('click', () => {
const col = th.dataset.col;
if (netSort.col === col) {
netSort.dir = netSort.dir === 'desc' ? 'asc' : 'desc';
} else {
netSort.col = col;
netSort.dir = ['ssid', 'bssid', 'encryption'].includes(col) ? 'asc' : 'desc';
}
document.querySelectorAll('#view-networks thead th').forEach(h => {
h.classList.remove('sort-active');
h.dataset.arrow = '';
});
th.classList.add('sort-active');
th.dataset.arrow = netSort.dir === 'desc' ? '↓' : '↑';
renderNetworksTable();
});
});
}
// ── Cross-node view ───────────────────────────────────────────────────────────
async function fetchCrossNode() {
crossNodeData = await fetch('/api/cross-node').then(r => r.json());
renderCrossNodeTable();
}
function renderCrossNodeTable() {
const thead = document.getElementById('crossnode-thead');
const tbody = document.getElementById('crossnode-tbody');
const empty = document.getElementById('crossnode-empty');
const count = document.getElementById('crossnode-count');
const filter = document.getElementById('crossnode-filter').checked;
const nodeIds = crossNodeData.node_ids || [];
let networks = crossNodeData.networks || [];
if (filter) networks = networks.filter(n => n.node_count > 1);
if (!networks.length) {
thead.innerHTML = tbody.innerHTML = '';
empty.style.display = 'block';
count.textContent = '';
return;
}
empty.style.display = 'none';
count.textContent = `${networks.length} networks`;
thead.innerHTML = `
<tr>
<th>SSID</th><th>BSSID</th><th>Ch</th><th>Enc</th>
${nodeIds.map(id => `<th colspan="2" style="text-align:center;border-left:1px solid var(--border)">${id}</th>`).join('')}
<th>Nodes</th>
</tr>
<tr>
<th></th><th></th><th></th><th></th>
${nodeIds.map(() => `
<th style="border-left:1px solid var(--border);font-size:8px">best</th>
<th style="font-size:8px">avg</th>
`).join('')}
<th></th>
</tr>`;
tbody.innerHTML = networks.map(net => {
const seenRssis = nodeIds.filter(id => net.nodes[id]).map(id => net.nodes[id].best_rssi);
const globalBest = seenRssis.length ? Math.max(...seenRssis) : null;
const encCls = (!net.encryption || net.encryption === 'OPEN' || net.encryption === 'None') ? 'enc-open' : 'muted';
const nodeCls = net.node_count > 1 ? 'nodes-multi' : 'muted';
const nodeCells = nodeIds.map(id => {
if (!net.nodes[id]) return `<td class="cn-none" style="border-left:1px solid var(--border)">—</td><td class="cn-none">—</td>`;
const n = net.nodes[id];
const isBest = n.best_rssi === globalBest && net.node_count > 1;
const bestCls = isBest ? 'cn-best' : rssiClass(n.best_rssi);
return `<td class="${bestCls}" style="border-left:1px solid var(--border)">${n.best_rssi} dBm</td>
<td class="${isBest ? 'cn-best' : 'dim'}">${n.avg_rssi} dBm</td>`;
}).join('');
return `<tr>
<td>${fmt(net.ssid, '<hidden>')}</td>
<td class="dim">${fmt(net.bssid)}</td>
<td class="muted">${fmt(net.channel)}</td>
<td class="${encCls}">${net.encryption || 'OPEN'}</td>
${nodeCells}
<td class="${nodeCls}">${net.node_count} / ${nodeIds.length}</td>
</tr>`;
}).join('');
}
// ── Clients view ──────────────────────────────────────────────────────────────
async function fetchClients() {
clientsData = await fetch('/api/clients').then(r => r.json());
renderClientsTable();
}
function renderClientsTable() {
const tbody = document.getElementById('clients-tbody');
const empty = document.getElementById('clients-empty');
const count = document.getElementById('clients-count');
if (!clientsData.length) {
tbody.innerHTML = '';
empty.style.display = 'block';
count.textContent = '';
return;
}
empty.style.display = 'none';
count.textContent = `${clientsData.length} unique MACs`;
tbody.innerHTML = clientsData.map(r => {
const probing = r.probed_ssids.length
? r.probed_ssids.map(s => `<span style="color:var(--text-dim)">${s}</span>`).join(', ')
: '<span style="color:var(--text-muted)">wildcard only</span>';
const vendorCls = r.randomized ? 'muted' : 'dim';
const nodeCls = r.node_count > 1 ? 'nodes-multi' : 'muted';
return `<tr>
<td>${fmt(r.src_mac)}</td>
<td class="${vendorCls}">${r.vendor || '—'}</td>
<td style="max-width:260px;white-space:normal;line-height:1.8">${probing}</td>
<td class="${rssiClass(r.best_rssi)}">${fmt(r.best_rssi)} dBm</td>
<td class="${rssiClass(r.avg_rssi)}">${fmt(r.avg_rssi)} dBm</td>
<td class="${nodeCls}">${fmt(r.node_count)}</td>
<td>${fmt(r.times_seen)}</td>
<td class="dim">${shortTime(r.last_seen)}</td>
</tr>`;
}).join('');
}
// ── RSSI chart ────────────────────────────────────────────────────────────────
async function showNetworkChart(bssid) {
chartBssid = bssid;
const net = networksData.find(n => n.bssid === bssid);
document.getElementById('chart-title').textContent = fmt(net?.ssid, '<hidden>');
document.getElementById('chart-subtitle').textContent = bssid;
setView('network-chart');
// requestAnimationFrame ensures the view is laid out before we read canvas.offsetWidth
requestAnimationFrame(() => loadAndRenderChart());
}
async function setChartRange(hours) {
chartHours = hours;
document.querySelectorAll('.range-btn').forEach(b => {
b.classList.toggle('active', parseInt(b.dataset.hours) === hours);
});
await loadAndRenderChart();
}
async function loadAndRenderChart() {
const data = await fetch(`/api/rssi-history?bssid=${encodeURIComponent(chartBssid)}&hours=${chartHours}`).then(r => r.json());
renderRssiChart(data);
}
function renderRssiChart(series) {
const canvas = document.getElementById('rssi-chart');
const empty = document.getElementById('chart-empty');
const legend = document.getElementById('chart-legend');
const nodeIds = Object.keys(series);
const allPts = nodeIds.flatMap(id => series[id]);
if (!allPts.length) {
canvas.style.display = 'none';
empty.style.display = 'block';
legend.innerHTML = '';
return;
}
canvas.style.display = 'block';
empty.style.display = 'none';
const W = canvas.offsetWidth;
const H = canvas.height;
canvas.width = W;
const ctx = canvas.getContext('2d');
const pad = { top: 20, right: 16, bottom: 36, left: 52 };
const pw = W - pad.left - pad.right;
const ph = H - pad.top - pad.bottom;
const now = Date.now();
const tStart = now - chartHours * 3600000;
const rssis = allPts.map(p => p.rssi);
const minR = Math.floor((Math.min(...rssis) - 5) / 5) * 5;
const maxR = Math.ceil ((Math.max(...rssis) + 5) / 5) * 5;
const rng = maxR - minR || 1;
const xMap = t => pad.left + (new Date(t + 'Z').getTime() - tStart) / (now - tStart) * pw;
const yMap = r => pad.top + (1 - (r - minR) / rng) * ph;
ctx.clearRect(0, 0, W, H);
ctx.font = '10px IBM Plex Mono';
// Horizontal gridlines + Y labels
const step = rng <= 20 ? 5 : rng <= 50 ? 10 : 20;
for (let r = minR; r <= maxR; r += step) {
const y = yMap(r);
ctx.strokeStyle = '#1e3024'; ctx.lineWidth = 1;
ctx.setLineDash([3, 4]);
ctx.beginPath(); ctx.moveTo(pad.left, y); ctx.lineTo(pad.left + pw, y); ctx.stroke();
ctx.setLineDash([]);
ctx.fillStyle = '#3a5040'; ctx.textAlign = 'right';
ctx.fillText(`${r}`, pad.left - 6, y + 3);
}
// X axis time ticks
const ticks = Math.min(6, Math.floor(pw / 80));
ctx.fillStyle = '#3a5040'; ctx.textAlign = 'center';
for (let i = 0; i <= ticks; i++) {
const t = tStart + (i / ticks) * (now - tStart);
const x = pad.left + (i / ticks) * pw;
ctx.fillText(new Date(t).toTimeString().slice(0, 5), x, H - 8);
ctx.strokeStyle = '#1e3024'; ctx.lineWidth = 1;
ctx.beginPath(); ctx.moveTo(x, pad.top + ph); ctx.lineTo(x, pad.top + ph + 4); ctx.stroke();
}
// Plot border
ctx.strokeStyle = '#1e3024'; ctx.lineWidth = 1; ctx.setLineDash([]);
ctx.beginPath();
ctx.moveTo(pad.left, pad.top);
ctx.lineTo(pad.left, pad.top + ph);
ctx.lineTo(pad.left + pw, pad.top + ph);
ctx.stroke();
// Series
nodeIds.forEach((nid, i) => {
const pts = series[nid];
const color = NODE_COLORS[i % NODE_COLORS.length];
ctx.strokeStyle = color; ctx.lineWidth = 1.5; ctx.setLineDash([]);
ctx.beginPath();
pts.forEach((p, j) => {
const x = xMap(p.t), y = yMap(p.rssi);
j === 0 ? ctx.moveTo(x, y) : ctx.lineTo(x, y);
});
ctx.stroke();
ctx.fillStyle = color;
pts.forEach(p => {
ctx.beginPath();
ctx.arc(xMap(p.t), yMap(p.rssi), 2.5, 0, Math.PI * 2);
ctx.fill();
});
});
// Legend
legend.innerHTML = nodeIds.map((nid, i) => `
<div class="legend-item">
<div class="legend-swatch" style="background:${NODE_COLORS[i % NODE_COLORS.length]}"></div>
<span>${nid}</span>
</div>`).join('');
}
// ── View switching ────────────────────────────────────────────────────────────
function setView(view) {
currentView = view;
document.getElementById('view-general').classList.toggle('active', view === 'feed');
document.getElementById('view-networks').classList.toggle('active', view === 'networks');
document.getElementById('view-network-chart').classList.toggle('active', view === 'network-chart');
document.getElementById('view-crossnode').classList.toggle('active', view === 'crossnode');
document.getElementById('view-clients').classList.toggle('active', view === 'clients');
document.getElementById('view-detail').classList.toggle('active', view === 'detail');
document.getElementById('tab-feed').classList.toggle('active', view === 'feed' || view === 'detail');
document.getElementById('tab-networks').classList.toggle('active', view === 'networks' || view === 'network-chart');
document.getElementById('tab-crossnode').classList.toggle('active', view === 'crossnode');
document.getElementById('tab-clients').classList.toggle('active', view === 'clients');
}
function showFeed() {
currentNode = null;
setView('feed');
document.querySelectorAll('.node-item').forEach(el => el.classList.remove('active'));
}
function showGeneral() { showFeed(); }
function showNetworks() { setView('networks'); fetchNetworks(); }
async function showCrossNode() { setView('crossnode'); await fetchCrossNode(); }
async function showClients() { setView('clients'); await fetchClients(); }
async function showDetail(node_id) {
currentNode = node_id;
setView('detail');
document.querySelectorAll('.node-item').forEach(el => {
el.classList.toggle('active', el.dataset.nodeId === node_id);
});
const data = await fetch(`/api/nodes/${node_id}`).then(r => r.json());
renderDetail(data);
}
// ── Init ─────────────────────────────────────────────────────────────────────
async function init() {
const [nodes, events] = await Promise.all([
fetch('/api/nodes').then(r => r.json()),
fetch(`/api/events?limit=${MAX_ROWS}`).then(r => r.json()),
]);
generalEvents = events;
nodeData = Object.fromEntries(nodes.map(n => [n.node_id, n]));
document.getElementById('sum-events').textContent = generalEvents.length;
renderSidebar(nodes);
renderGeneralTable(false);
}
// ── SSE ───────────────────────────────────────────────────────────────────────
function startSSE() {
const es = new EventSource('/api/stream');
const dot = document.getElementById('live-dot');
let sseTimer = null;
es.onopen = () => dot.classList.add('alive');
es.onmessage = (e) => {
dot.classList.remove('alive');
requestAnimationFrame(() => dot.classList.add('alive'));
// Update the feed array immediately — this is just JS, no API call needed
const ev = JSON.parse(e.data);
generalEvents.unshift(ev);
if (generalEvents.length > MAX_ROWS) generalEvents.pop();
document.getElementById('sum-events').textContent = generalEvents.length;
if (currentView === 'feed') renderGeneralTable(true);
// Debounce all API-backed refreshes: a scan fires 20+ events in rapid
// succession — only act on the trailing edge, at most once per 2 seconds.
if (sseTimer) return;
sseTimer = setTimeout(async () => {
sseTimer = null;
if (currentView === 'networks') await fetchNetworks();
else if (currentView === 'network-chart') await loadAndRenderChart();
else if (currentView === 'crossnode') await fetchCrossNode();
const nodes = await fetch('/api/nodes').then(r => r.json());
nodeData = Object.fromEntries(nodes.map(n => [n.node_id, n]));
renderSidebar(nodes);
if (currentView === 'detail' && currentNode) {
const data = await fetch(`/api/nodes/${currentNode}`).then(r => r.json());
renderDetail(data);
}
}, 2000);
};
es.onerror = () => { dot.classList.remove('alive'); setTimeout(startSSE, 3000); };
}
// ── Boot ──────────────────────────────────────────────────────────────────────
initNetworkSort();
init().then(startSSE);