Initial commit: ShellyDash dashboard fotovoltaico
Flask app con gauge Chart.js custom, polling Shelly Cloud API v2, storico SQLite, due widget gauge (produzione/consumo) con scala graduata.
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<!DOCTYPE html>
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<html lang="it">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>ShellyDash — Monitoraggio Fotovoltaico</title>
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<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.7/dist/chart.umd.min.js"></script>
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<style>
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*{margin:0;padding:0;box-sizing:border-box}
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body{
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font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
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background:#0f172a;color:#e2e8f0;min-height:100vh;
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}
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.header{
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background:#1e293b;padding:16px 24px;display:flex;align-items:center;
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justify-content:space-between;border-bottom:1px solid #334155;
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}
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.header h1{font-size:20px;font-weight:600;display:flex;align-items:center;gap:10px}
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.header h1 span{color:#38bdf8}
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.badge{
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display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600;
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}
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.badge.online{background:#166534;color:#86efac}
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.badge.offline{background:#7f1d1d;color:#fca5a5}
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.container{max-width:1400px;margin:0 auto;padding:20px}
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/* Gauge row */
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.gauge-row{display:flex;gap:20px;margin-bottom:20px;flex-wrap:wrap}
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.gauge-card{
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flex:1;min-width:300px;background:#1e293b;border-radius:16px;padding:16px 20px 10px;
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border:1px solid #334155;display:flex;flex-direction:column;align-items:center;
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}
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.gauge-card h2{font-size:13px;color:#94a3b8;margin-bottom:2px;text-transform:uppercase;letter-spacing:1px}
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.gauge-wrapper{width:100%;max-width:360px;margin:0 auto}
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/* Info cards */
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.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:20px}
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.card{
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background:#1e293b;border-radius:12px;padding:14px;border:1px solid #334155;text-align:center;
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}
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.card .label{font-size:11px;text-transform:uppercase;color:#64748b;letter-spacing:1px}
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.card .num{font-size:24px;font-weight:700;margin-top:3px}
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.card .num.green{color:#4ade80}
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.card .num.blue{color:#38bdf8}
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.card .num.amber{color:#fbbf24}
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.card .num.red{color:#f87171}
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.card .num.purple{color:#a78bfa}
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/* History chart */
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.chart-section{background:#1e293b;border-radius:16px;padding:20px;border:1px solid #334155;margin-bottom:20px}
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.chart-section h2{font-size:13px;color:#94a3b8;margin-bottom:10px;text-transform:uppercase;letter-spacing:1px}
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.chart-section canvas{max-height:280px}
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/* Energy section */
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.energy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
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.energy-card{background:#1e293b;border-radius:12px;padding:14px;border:1px solid #334155;text-align:center}
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.energy-card .label{font-size:11px;color:#64748b;text-transform:uppercase}
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.energy-card .num{font-size:22px;font-weight:700;margin-top:3px}
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.energy-card .num.green{color:#4ade80}
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.energy-card .num.amber{color:#fbbf24}
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.energy-card .num.blue{color:#38bdf8}
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/* Delta highlight */
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.delta-highlight{
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background:linear-gradient(135deg,#1e293b,#0f172a);
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border:2px solid #334155;border-radius:16px;padding:14px 24px;
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display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;
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}
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.delta-highlight .label{font-size:12px;color:#94a3b8}
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.delta-highlight .value{font-size:38px;font-weight:700}
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.delta-highlight .value.positive{color:#4ade80}
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.delta-highlight .value.negative{color:#f87171}
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.delta-highlight .sub{font-size:13px;color:#64748b}
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.loading{text-align:center;padding:60px;color:#64748b;font-size:18px}
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/* Responsive */
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@media(max-width:768px){
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.header h1{font-size:15px}
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.gauge-card{min-width:100%}
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.delta-highlight{flex-direction:column;gap:8px;text-align:center}
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.delta-highlight .value{font-size:28px}
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}
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.btn-range{
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background:#334155;color:#94a3b8;border:none;padding:6px 14px;border-radius:8px;
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font-size:12px;font-weight:600;cursor:pointer;transition:all 0.2s;
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}
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.btn-range:hover{background:#475569;color:#e2e8f0}
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.btn-range.active{background:#38bdf8;color:#0f172a}
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</style>
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</head>
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<body>
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<div class="header">
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<h1>⚡ <span>ShellyDash</span> — Fotovoltaico</h1>
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<div><span id="statusBadge" class="badge offline">⏳ Caricamento...</span></div>
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</div>
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<div class="container" id="app">
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<div class="loading" id="loading">Caricamento dati...</div>
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<div id="dashboard" style="display:none">
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<!-- Delta highlight -->
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<div class="delta-highlight" id="deltaBox">
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<div>
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<div class="label">SURPLUS / DEFICIT</div>
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<div class="value" id="deltaValue">--</div>
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<div class="sub">Produzione − Consumo</div>
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</div>
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<div style="text-align:right" id="deltaMeta">
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<div class="label">Produzione</div>
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<div style="font-size:20px;font-weight:600;color:#4ade80" id="prodValue">-- W</div>
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<div class="label" style="margin-top:5px">Consumo</div>
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<div style="font-size:20px;font-weight:600;color:#fbbf24" id="consValue">-- W</div>
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</div>
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</div>
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<!-- Two gauge widgets -->
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<div class="gauge-row">
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<div class="gauge-card">
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<h2>Produzione Pannelli</h2>
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<div class="gauge-wrapper">
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<canvas id="gaugeProd"></canvas>
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</div>
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</div>
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<div class="gauge-card">
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<h2>Consumo Casa</h2>
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<div class="gauge-wrapper">
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<canvas id="gaugeCons"></canvas>
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</div>
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</div>
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</div>
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<!-- Cards row -->
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<div class="cards">
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<div class="card">
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<div class="label">Tensione</div>
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<div class="num blue" id="voltageCard">-- V</div>
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</div>
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<div class="card">
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<div class="label">Fattore Potenza</div>
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<div class="num purple" id="pfCard">--</div>
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</div>
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<div class="card">
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<div class="label">Corrente Fase 1</div>
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<div class="num" id="ch0currentCard" style="color:#94a3b8">-- A</div>
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</div>
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<div class="card">
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<div class="label">Corrente Fase 2</div>
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<div class="num" id="ch1currentCard" style="color:#94a3b8">-- A</div>
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</div>
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</div>
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<!-- Energy + History -->
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<div class="chart-section">
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<h2>Energia Oggi</h2>
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<div class="energy-grid" style="margin-bottom:16px">
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<div class="energy-card">
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<div class="label">Prodotta</div>
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<div class="num green" id="energyProd">-- kWh</div>
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</div>
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<div class="energy-card">
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<div class="label">Consumata</div>
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<div class="num amber" id="energyCons">-- kWh</div>
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</div>
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<div class="energy-card">
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<div class="label">Immessa in Rete</div>
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<div class="num blue" id="energyGrid">-- kWh</div>
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</div>
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</div>
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<div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:10px">
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<h2>Storico</h2>
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<div style="display:flex;gap:8px">
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<button class="btn-range active" data-hours="24">24h</button>
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<button class="btn-range" data-hours="72">3gg</button>
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<button class="btn-range" data-hours="168">7gg</button>
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</div>
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</div>
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<canvas id="historyChart"></canvas>
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</div>
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</div>
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</div>
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<script>
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// ── Gauge Plugin (semi-circular needle + scale) ───────────────────
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// Accepts config via chart.options.gaugeConfig
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const gaugePlugin = {
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id: 'gaugePlugin',
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afterDraw(chart) {
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const cfg = chart.options.gaugeConfig || {};
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const {ctx, chartArea: {top, bottom, left, right}} = chart;
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const value = cfg.value || 0;
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const maxVal = cfg.max || 6000;
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const color = cfg.color || '#4ade80';
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const unit = cfg.unit || 'W';
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const labelText = cfg.label || '';
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const centerX = (left + right) / 2;
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const centerY = bottom - 8;
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const radius = Math.min(right - left, (bottom - top) * 2) / 2 - 14;
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// ── Draw scale ticks ──
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const majorStep = maxVal <= 3000 ? 500 : 1000;
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const minorStep = majorStep / 2;
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const startAngle = Math.PI; // 180° (left)
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const endAngle = 2 * Math.PI; // 360° (right)
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ctx.save();
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// Major ticks + numbers
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for (let v = 0; v <= maxVal; v += majorStep) {
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const frac = v / maxVal;
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const angle = startAngle + frac * Math.PI;
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const x1 = centerX + (radius - 8) * Math.cos(angle);
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const y1 = centerY + (radius - 8) * Math.sin(angle);
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const x2 = centerX + (radius - 20) * Math.cos(angle);
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const y2 = centerY + (radius - 20) * Math.sin(angle);
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ctx.beginPath();
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ctx.moveTo(x1, y1);
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ctx.lineTo(x2, y2);
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ctx.strokeStyle = '#64748b';
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ctx.lineWidth = 2;
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ctx.stroke();
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// Number label
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const lx = centerX + (radius - 32) * Math.cos(angle);
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const ly = centerY + (radius - 32) * Math.sin(angle);
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ctx.fillStyle = '#94a3b8';
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ctx.font = '11px -apple-system, sans-serif';
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ctx.textAlign = 'center';
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ctx.textBaseline = 'middle';
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const displayNum = v >= 1000 ? (v/1000) + 'k' : v;
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ctx.fillText(displayNum, lx, ly);
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}
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// Minor ticks
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for (let v = minorStep; v < maxVal; v += minorStep) {
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// skip if also a major tick
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if (v % majorStep === 0) continue;
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const frac = v / maxVal;
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const angle = startAngle + frac * Math.PI;
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const x1 = centerX + (radius - 6) * Math.cos(angle);
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const y1 = centerY + (radius - 6) * Math.sin(angle);
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const x2 = centerX + (radius - 14) * Math.cos(angle);
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const y2 = centerY + (radius - 14) * Math.sin(angle);
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ctx.beginPath();
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ctx.moveTo(x1, y1);
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ctx.lineTo(x2, y2);
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ctx.strokeStyle = '#475569';
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ctx.lineWidth = 1.5;
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ctx.stroke();
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}
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ctx.restore();
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// ── Needle ──
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const needleAngle = startAngle + (Math.min(value, maxVal) / maxVal) * Math.PI;
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ctx.save();
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ctx.translate(centerX, centerY);
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ctx.rotate(needleAngle);
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ctx.beginPath();
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ctx.moveTo(0, -5);
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ctx.lineTo(radius - 16, 0);
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ctx.lineTo(0, 5);
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ctx.closePath();
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ctx.fillStyle = color;
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ctx.fill();
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ctx.restore();
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// ── Center dot ──
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ctx.beginPath();
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ctx.arc(centerX, centerY, 7, 0, 2 * Math.PI);
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ctx.fillStyle = color;
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ctx.fill();
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ctx.strokeStyle = '#1e293b';
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ctx.lineWidth = 2.5;
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ctx.stroke();
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// ── Value text ──
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ctx.fillStyle = '#e2e8f0';
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ctx.font = 'bold 26px -apple-system, sans-serif';
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ctx.textAlign = 'center';
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ctx.textBaseline = 'bottom';
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const displayVal = value >= 1000 ? (value/1000).toFixed(1) + ' kW' : Math.round(value) + ' ' + unit;
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ctx.fillText(displayVal, centerX, centerY + 50);
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if (labelText) {
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ctx.fillStyle = '#64748b';
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ctx.font = '12px -apple-system, sans-serif';
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ctx.textBaseline = 'top';
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ctx.fillText(labelText, centerX, centerY + 52);
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}
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}
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};
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// ── State ─────────────────────────────────────────────────────────
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let historyChart = null;
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let rangeHours = 24;
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let gaugeCharts = {};
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// ── Init gauge ────────────────────────────────────────────────────
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function initGauge(canvasId, maxVal) {
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const canvas = document.getElementById(canvasId);
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if (!canvas) return null;
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const parent = canvas.parentElement;
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canvas.width = parent.clientWidth || 340;
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canvas.height = Math.min(canvas.width * 0.52, 220);
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// dummy data — actual drawing is in the plugin
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return new Chart(canvas.getContext('2d'), {
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type: 'doughnut',
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data: {
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datasets: [{ data: [1], backgroundColor: ['transparent'], borderWidth: 0 }]
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},
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options: {
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responsive: true,
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maintainAspectRatio: false,
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cutout: '92%',
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plugins: { tooltip: { enabled: false }, legend: { display: false } },
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gaugeConfig: { value: 0, max: maxVal, color: '#4ade80', unit: 'W', label: '' },
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},
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plugins: [gaugePlugin]
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});
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}
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function updateGauge(chart, value, maxVal, color, label) {
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if (!chart) return;
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chart.options.gaugeConfig.value = value;
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chart.options.gaugeConfig.max = maxVal;
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if (color) chart.options.gaugeConfig.color = color;
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if (label) chart.options.gaugeConfig.label = label;
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chart.update();
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}
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// ── Init history chart ────────────────────────────────────────────
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function initHistoryChart() {
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const canvas = document.getElementById('historyChart');
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if (!canvas) return null;
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const ctx = canvas.getContext('2d');
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return new Chart(ctx, {
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type: 'line',
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data: { labels: [], datasets: [
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{ label: 'Produzione', data: [], borderColor: '#4ade80', backgroundColor: 'rgba(74,222,128,0.08)', fill: true, tension: 0.3, pointRadius: 0 },
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{ label: 'Consumo', data: [], borderColor: '#fbbf24', backgroundColor: 'rgba(251,191,36,0.08)', fill: true, tension: 0.3, pointRadius: 0 },
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]},
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options: {
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responsive: true, maintainAspectRatio: false,
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interaction: { mode: 'index', intersect: false },
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plugins: { legend: { labels: { color: '#94a3b8', boxWidth: 12, padding: 12 } } },
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scales: {
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x: { ticks: { color: '#64748b', maxTicksLimit: 10 }, grid: { color: '#1e293b' } },
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y: { ticks: { color: '#64748b' }, grid: { color: '#334155' }, beginAtZero: true }
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}
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}
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});
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}
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function updateHistoryChart(chart, data) {
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if (!chart || !data || !data.length) return;
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const labels = data.map(d => {
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const t = new Date(d.ts * 1000);
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return t.toLocaleTimeString('it', {hour:'2-digit', minute:'2-digit'});
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});
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const prod = data.map(d => d.production_w ?? 0);
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const cons = data.map(d => Math.abs(d.consumption_w ?? 0));
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chart.data.labels = labels;
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chart.data.datasets[0].data = prod;
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chart.data.datasets[1].data = cons;
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chart.update('none');
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}
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// ── Fetch & update ────────────────────────────────────────────────
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async function fetchStatus() {
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const r = await fetch('/api/status');
|
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return r.json();
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}
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async function fetchHistory(hours) {
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const r = await fetch(`/api/history?hours=${hours}`);
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return r.json();
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}
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async function fetchEnergyToday() {
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const r = await fetch('/api/energy/today');
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return r.json();
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}
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function updateUI(status) {
|
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if (!status.ok) return;
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||||
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const p = status.production_w;
|
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const c = status.consumption_w;
|
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const delta = status.delta_w;
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||||
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||||
// Badge
|
||||
const badge = document.getElementById('statusBadge');
|
||||
badge.textContent = status.online ? '☁️ Online' : '⚠️ Offline';
|
||||
badge.className = 'badge ' + (status.online ? 'online' : 'offline');
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||||
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// Delta
|
||||
document.getElementById('deltaValue').textContent = (delta >= 0 ? '+' : '') + delta.toFixed(0) + ' W';
|
||||
document.getElementById('deltaValue').className = 'value ' + (delta >= 0 ? 'positive' : 'negative');
|
||||
document.getElementById('prodValue').textContent = p.toFixed(0) + ' W';
|
||||
document.getElementById('consValue').textContent = c.toFixed(0) + ' W';
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||||
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||||
// Cards
|
||||
document.getElementById('voltageCard').textContent = (status.voltage || 0).toFixed(1) + ' V';
|
||||
document.getElementById('pfCard').textContent = (status.ch0_pf || 0).toFixed(2);
|
||||
document.getElementById('ch0currentCard').textContent = (status.ch0_current || 0).toFixed(2) + ' A';
|
||||
document.getElementById('ch1currentCard').textContent = (status.ch1_current || 0).toFixed(2) + ' A';
|
||||
|
||||
// Gauges — production (max 6000W) + consumption (max 3000W)
|
||||
updateGauge(gaugeCharts.prod, p, 6000, '#4ade80', 'Produzione');
|
||||
updateGauge(gaugeCharts.cons, c, 3000, '#fbbf24', 'Consumo');
|
||||
}
|
||||
|
||||
async function refreshAll() {
|
||||
try {
|
||||
const status = await fetchStatus();
|
||||
if (status.ok || gaugeCharts.prod) {
|
||||
document.getElementById('loading').style.display = 'none';
|
||||
document.getElementById('dashboard').style.display = 'block';
|
||||
if (status.ok) updateUI(status);
|
||||
}
|
||||
|
||||
const history = await fetchHistory(rangeHours);
|
||||
if (history.ok && historyChart) {
|
||||
updateHistoryChart(historyChart, history.data);
|
||||
}
|
||||
|
||||
const energy = await fetchEnergyToday();
|
||||
if (energy.ok) {
|
||||
document.getElementById('energyProd').textContent = (energy.production_kwh || 0).toFixed(2) + ' kWh';
|
||||
document.getElementById('energyCons').textContent = (energy.consumption_kwh || 0).toFixed(2) + ' kWh';
|
||||
document.getElementById('energyGrid').textContent = (energy.grid_returned_kwh || 0).toFixed(2) + ' kWh';
|
||||
}
|
||||
} catch(e) {
|
||||
console.error('Refresh error:', e);
|
||||
}
|
||||
}
|
||||
|
||||
// ── Range buttons ─────────────────────────────────────────────────
|
||||
document.addEventListener('click', function(e) {
|
||||
const btn = e.target.closest('.btn-range');
|
||||
if (!btn) return;
|
||||
document.querySelectorAll('.btn-range').forEach(b => b.classList.remove('active'));
|
||||
btn.classList.add('active');
|
||||
rangeHours = parseInt(btn.dataset.hours);
|
||||
refreshAll();
|
||||
});
|
||||
|
||||
// ── Start ─────────────────────────────────────────────────────────
|
||||
gaugeCharts.prod = initGauge('gaugeProd', 6000);
|
||||
gaugeCharts.cons = initGauge('gaugeCons', 3000);
|
||||
historyChart = initHistoryChart();
|
||||
refreshAll();
|
||||
setInterval(refreshAll, 15000);
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
Reference in new issue
Block a user