weather/app/public/dashboard.html

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Station Dashboard</title>
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.min.js"></script>
<style>
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --ink: #1a1a1a; --ink-mid: #3d3730; --ink-light: #5f5649;
  --paper: #f5f2ec; --paper-dark: #ece7db; --paper-darker: #ddd6c7;
  --border: #b9ae9b; --accent: #c25a2a; --cool: #2a6b8a;
  --mono: 'Segoe UI Rounded', 'Trebuchet MS', 'Avenir Next', sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ece7dc; --ink-mid: #d2c8b1; --ink-light: #beb399;
    --paper: #191510; --paper-dark: #201c16; --paper-darker: #2b2620;
    --border: #3a342a; --accent: #e07848; --cool: #5ab0d8;
  }
}
html, body { min-height: 100%; background: var(--paper); color: var(--ink); font-family: var(--mono); font-size: 15px; }
a { color: var(--cool); text-decoration: none; }

/* ── Header ── */
.header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); background: var(--paper-dark); position: sticky; top: 0; z-index: 10; }
.header h1 { font-size: 1.15rem; }
.header .meta { font-size: 0.8rem; color: var(--ink-light); }
.header-right { display: flex; align-items: center; gap: 1rem; font-size: 0.85rem; }
.station-name { color: var(--cool); font-weight: 600; }
.logout { color: var(--accent); }

/* ── Wrapper ── */
.page { max-width: 1200px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }

/* ── Stat tiles ── */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.75rem; margin-bottom: 1.75rem; }
.stat { background: var(--paper-dark); border: 1px solid var(--border); border-radius: 12px; padding: 0.85rem 1rem; }
.stat-label { font-size: 0.72rem; color: var(--ink-light); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.2rem; }
.stat-val { font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.stat-unit { font-size: 0.75rem; color: var(--ink-light); margin-top: 0.1rem; }

/* ── Range selector ── */
.range-bar { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.range-bar span { font-size: 0.82rem; color: var(--ink-light); margin-right: 0.25rem; }
.range-btn { padding: 0.3rem 0.75rem; border: 1px solid var(--border); border-radius: 20px; background: transparent; color: var(--ink); font-family: var(--mono); font-size: 0.82rem; cursor: pointer; transition: background 0.15s; }
.range-btn.active, .range-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.refresh-btn { margin-left: auto; padding: 0.3rem 0.75rem; border: 1px solid var(--border); border-radius: 20px; background: transparent; color: var(--ink-light); font-family: var(--mono); font-size: 0.82rem; cursor: pointer; }
.refresh-btn:hover { border-color: var(--cool); color: var(--cool); }

/* ── Chart grid ── */
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 720px) { .charts { grid-template-columns: 1fr; } }
.chart-card { background: var(--paper-dark); border: 1px solid var(--border); border-radius: 12px; padding: 1rem 1.2rem 1.2rem; }
.chart-card.wide { grid-column: 1 / -1; }
.chart-title { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-light); margin-bottom: 0.75rem; }
.chart-wrap { position: relative; height: 200px; }
.chart-card.wide .chart-wrap { height: 180px; }

/* ── Status ── */
.status { text-align: center; padding: 3rem 1rem; color: var(--ink-light); font-size: 0.9rem; }
.status.error { color: var(--accent); }
.updated { font-size: 0.75rem; color: var(--ink-light); margin-top: 0.5rem; }

/* ── Wind rose ── */
#windRoseCanvas { display: block; margin: 0 auto; }

/* ── No-data ── */
.no-data { display: flex; align-items: center; justify-content: center; height: 180px; font-size: 0.85rem; color: var(--ink-light); }
</style>
</head>
<body>

<div class="header">
  <div>
    <h1>Station Dashboard</h1>
    <div class="meta" id="headerMeta">Loading…</div>
  </div>
  <div class="header-right">
    <span class="station-name" id="stationName"></span>
    <a href="/dashboard/logout" class="logout">Sign out</a>
  </div>
</div>

<div class="page">
  <!-- Current stats -->
  <div class="stats" id="statsRow">
    <div class="stat"><div class="stat-label">Temperature</div><div class="stat-val" id="sTempF">—</div><div class="stat-unit">°F</div></div>
    <div class="stat"><div class="stat-label">Feels Like</div><div class="stat-val" id="sFeels">—</div><div class="stat-unit">°F</div></div>
    <div class="stat"><div class="stat-label">Humidity</div><div class="stat-val" id="sHum">—</div><div class="stat-unit">%</div></div>
    <div class="stat"><div class="stat-label">Dew Point</div><div class="stat-val" id="sDew">—</div><div class="stat-unit">°F</div></div>
    <div class="stat"><div class="stat-label">Wind</div><div class="stat-val" id="sWind">—</div><div class="stat-unit">mph</div></div>
    <div class="stat"><div class="stat-label">Wind Gust</div><div class="stat-val" id="sGust">—</div><div class="stat-unit">mph</div></div>
    <div class="stat"><div class="stat-label">Pressure</div><div class="stat-val" id="sPres">—</div><div class="stat-unit">inHg</div></div>
    <div class="stat"><div class="stat-label">Rain Today</div><div class="stat-val" id="sRain">—</div><div class="stat-unit">in</div></div>
    <div class="stat"><div class="stat-label">Rain Rate</div><div class="stat-val" id="sRainRate">—</div><div class="stat-unit">in/hr</div></div>
    <div class="stat"><div class="stat-label">UV Index</div><div class="stat-val" id="sUV">—</div><div class="stat-unit"></div></div>
    <div class="stat"><div class="stat-label">Solar Rad.</div><div class="stat-val" id="sSolar">—</div><div class="stat-unit">W/m²</div></div>
    <div class="stat"><div class="stat-label">Battery</div><div class="stat-val" id="sBatt">—</div><div class="stat-unit"></div></div>
  </div>

  <!-- Range selector -->
  <div class="range-bar">
    <span>History:</span>
    <button class="range-btn" data-range="1h">1h</button>
    <button class="range-btn" data-range="6h">6h</button>
    <button class="range-btn active" data-range="24h">24h</button>
    <button class="range-btn" data-range="7d">7d</button>
    <button class="range-btn" data-range="30d">30d</button>
    <button class="range-btn" data-range="90d">90d</button>
    <button class="range-btn" data-range="1y">1y</button>
    <button class="range-btn" data-range="2y">2y</button>
    <button class="range-btn" data-range="3y">3y</button>
    <button class="refresh-btn" id="refreshBtn">↻ Refresh</button>
  </div>
  <div class="updated" id="updatedLine"></div>

  <!-- Charts -->
  <div id="chartsArea">
    <div class="status" id="loadingMsg">Loading history…</div>
  </div>
</div>

<script>
const RANGE_LABELS = {
  '1h': 'HH:mm', '6h': 'HH:mm', '24h': 'HH:mm',
  '7d': 'MMM dd', '30d': 'MMM dd'
};

let currentRange = '24h';
let charts = {};

// ── Formatting helpers ──────────────────────────────────────────────────────
function fmtTime(ts, range) {
  const d = new Date(ts);
  if (['7d','30d','90d','1y','2y','3y'].includes(range)) {
    return d.toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
  }
  return d.toLocaleTimeString('en-US', { hour: '2-digit', minute: '2-digit', hour12: false });
}

function cardinal(deg) {
  const dirs = ['N','NNE','NE','ENE','E','ESE','SE','SSE','S','SSW','SW','WSW','W','WNW','NW','NNW'];
  return dirs[Math.round(deg / 22.5) % 16];
}

// ── Chart factory ───────────────────────────────────────────────────────────
const accent = getComputedStyle(document.documentElement).getPropertyValue('--accent').trim() || '#c25a2a';
const cool = getComputedStyle(document.documentElement).getPropertyValue('--cool').trim() || '#2a6b8a';

function chartColors() {
  const style = getComputedStyle(document.documentElement);
  return {
    accent: style.getPropertyValue('--accent').trim(),
    cool: style.getPropertyValue('--cool').trim(),
    ink: style.getPropertyValue('--ink').trim(),
    inkLight: style.getPropertyValue('--ink-light').trim(),
    border: style.getPropertyValue('--border').trim(),
  };
}

function makeChart(canvasId, type, datasets, labels, yLabel, opts = {}) {
  const c = chartColors();
  const ctx = document.getElementById(canvasId);
  if (!ctx) return null;
  if (charts[canvasId]) { charts[canvasId].destroy(); }

  const defaults = {
    responsive: true,
    maintainAspectRatio: false,
    interaction: { mode: 'index', intersect: false },
    plugins: {
      legend: { display: datasets.length > 1, labels: { color: c.inkLight, font: { size: 11 }, boxWidth: 10 } },
      tooltip: {
        backgroundColor: 'rgba(0,0,0,0.75)',
        titleFont: { size: 11 }, bodyFont: { size: 12 },
        callbacks: {
          title: items => items[0]?.label || '',
        }
      }
    },
    scales: {
      x: {
        ticks: { color: c.inkLight, font: { size: 10 }, maxTicksLimit: 8, maxRotation: 0 },
        grid: { color: c.border + '44' }
      },
      y: {
        ticks: { color: c.inkLight, font: { size: 11 } },
        grid: { color: c.border + '44' },
        title: yLabel ? { display: true, text: yLabel, color: c.inkLight, font: { size: 10 } } : undefined,
      }
    }
  };

  const mergedOpts = deepMerge(defaults, opts);
  charts[canvasId] = new Chart(ctx, { type, data: { labels, datasets }, options: mergedOpts });
  return charts[canvasId];
}

function deepMerge(a, b) {
  const out = { ...a };
  for (const k of Object.keys(b || {})) {
    if (b[k] && typeof b[k] === 'object' && !Array.isArray(b[k]) && a[k] && typeof a[k] === 'object') {
      out[k] = deepMerge(a[k], b[k]);
    } else {
      out[k] = b[k];
    }
  }
  return out;
}

function lineDataset(label, data, color, dashed = false) {
  return {
    label, data, borderColor: color, backgroundColor: color + '22',
    borderWidth: 1.5, pointRadius: 0, pointHoverRadius: 4,
    borderDash: dashed ? [4, 3] : [], tension: 0.35, fill: false,
  };
}

function barDataset(label, data, color) {
  return { label, data, backgroundColor: color + 'bb', borderColor: color, borderWidth: 1, borderRadius: 2 };
}

// ── Wind Rose ───────────────────────────────────────────────────────────────
function drawWindRose(canvas, readings) {
  const buckets = new Array(16).fill(0);
  for (const r of readings) {
    if (r.winddir == null) continue;
    buckets[Math.round(r.winddir / 22.5) % 16]++;
  }
  const max = Math.max(...buckets, 1);
  const c = canvas.getContext('2d');
  const W = canvas.width, H = canvas.height;
  const cx = W / 2, cy = H / 2;
  const R = Math.min(cx, cy) - 24;
  const style = getComputedStyle(document.documentElement);
  const colBorder = style.getPropertyValue('--border').trim();
  const colAccent = style.getPropertyValue('--accent').trim();
  const colInk = style.getPropertyValue('--ink').trim();
  const colInkLight = style.getPropertyValue('--ink-light').trim();

  c.clearRect(0, 0, W, H);

  // grid circles
  for (let i = 1; i <= 4; i++) {
    c.beginPath();
    c.arc(cx, cy, R * i / 4, 0, Math.PI * 2);
    c.strokeStyle = colBorder + '66';
    c.lineWidth = 0.5;
    c.stroke();
  }
  // cardinal lines
  ['N','E','S','W'].forEach((dir, i) => {
    const a = i * Math.PI / 2 - Math.PI / 2;
    c.beginPath();
    c.moveTo(cx, cy);
    c.lineTo(cx + Math.cos(a) * R, cy + Math.sin(a) * R);
    c.strokeStyle = colBorder + '88';
    c.lineWidth = 0.5;
    c.stroke();
    const tx = cx + Math.cos(a) * (R + 12);
    const ty = cy + Math.sin(a) * (R + 12);
    c.fillStyle = colInkLight;
    c.font = '10px sans-serif';
    c.textAlign = 'center';
    c.textBaseline = 'middle';
    c.fillText(dir, tx, ty);
  });

  // petals
  const sliceAngle = (Math.PI * 2) / 16;
  for (let i = 0; i < 16; i++) {
    const a = i * sliceAngle - Math.PI / 2 - sliceAngle / 2;
    const len = (buckets[i] / max) * R;
    if (len < 1) continue;
    c.beginPath();
    c.moveTo(cx, cy);
    c.arc(cx, cy, len, a, a + sliceAngle);
    c.closePath();
    c.fillStyle = colAccent + 'cc';
    c.fill();
    c.strokeStyle = colAccent;
    c.lineWidth = 0.5;
    c.stroke();
  }
  // center dot
  c.beginPath();
  c.arc(cx, cy, 3, 0, Math.PI * 2);
  c.fillStyle = colInk;
  c.fill();
}

// ── Render charts ────────────────────────────────────────────────────────────
function renderCharts(readings, range) {
  const area = document.getElementById('chartsArea');
  if (!readings.length) {
    area.innerHTML = '<div class="status">No recorded data for this range yet. Data is collected every 10 minutes while the station is active.</div>';
    return;
  }

  const labels = readings.map(r => fmtTime(r.dateutc, range));
  const c = chartColors();

  // downsample for 30d to keep chart manageable
  let pts = readings;
  if (readings.length > 720) {
    const step = Math.ceil(readings.length / 720);
    pts = readings.filter((_, i) => i % step === 0);
  }
  const lbls = pts.map(r => fmtTime(r.dateutc, range));

  function field(arr, key) { return arr.map(r => r[key] != null ? r[key] : null); }

  area.innerHTML = `
    <div class="charts">
      <!-- Temperature -->
      <div class="chart-card">
        <div class="chart-title">Temperature & Feels Like</div>
        <div class="chart-wrap"><canvas id="cTemp"></canvas></div>
      </div>

      <!-- Humidity & Dew -->
      <div class="chart-card">
        <div class="chart-title">Humidity & Dew Point</div>
        <div class="chart-wrap"><canvas id="cHum"></canvas></div>
      </div>

      <!-- Wind speed -->
      <div class="chart-card">
        <div class="chart-title">Wind Speed & Gusts</div>
        <div class="chart-wrap"><canvas id="cWind"></canvas></div>
      </div>

      <!-- Wind rose -->
      <div class="chart-card">
        <div class="chart-title">Wind Direction</div>
        <div class="chart-wrap" id="roseWrap" style="display:flex;align-items:center;justify-content:center;">
          <canvas id="windRoseCanvas" width="200" height="200"></canvas>
        </div>
      </div>

      <!-- Pressure -->
      <div class="chart-card wide">
        <div class="chart-title">Barometric Pressure (inHg)</div>
        <div class="chart-wrap"><canvas id="cPres"></canvas></div>
      </div>

      <!-- Rain -->
      <div class="chart-card">
        <div class="chart-title">Rain Rate (in/hr)</div>
        <div class="chart-wrap"><canvas id="cRainRate"></canvas></div>
      </div>

      <!-- Rain accum -->
      <div class="chart-card">
        <div class="chart-title">Daily Rain Accumulation (in)</div>
        <div class="chart-wrap"><canvas id="cRainAccum"></canvas></div>
      </div>

      <!-- UV + Solar -->
      <div class="chart-card">
        <div class="chart-title">UV Index</div>
        <div class="chart-wrap"><canvas id="cUV"></canvas></div>
      </div>

      <div class="chart-card">
        <div class="chart-title">Solar Radiation (W/m²)</div>
        <div class="chart-wrap"><canvas id="cSolar"></canvas></div>
      </div>
    </div>
  `;

  makeChart('cTemp', 'line',
    [lineDataset('Temp °F', field(pts, 'tempf'), c.accent),
     lineDataset('Feels Like', field(pts, 'feelsLike'), c.cool, true)],
    lbls, '°F');

  makeChart('cHum', 'line',
    [lineDataset('Humidity %', field(pts, 'humidity'), c.cool),
     lineDataset('Dew Point °F', field(pts, 'dewPoint'), c.accent, true)],
    lbls, null);

  makeChart('cWind', 'line',
    [lineDataset('Wind mph', field(pts, 'windspeedmph'), c.cool),
     lineDataset('Gust mph', field(pts, 'windgustmph'), c.accent, true)],
    lbls, 'mph');

  const hasPres = pts.some(r => r.baromrelin != null);
  if (hasPres) {
    makeChart('cPres', 'line',
      [lineDataset('Rel. Pressure', field(pts, 'baromrelin'), c.accent),
       lineDataset('Abs. Pressure', field(pts, 'baromabsin'), c.cool, true)],
      lbls, 'inHg');
  }

  makeChart('cRainRate', 'bar',
    [barDataset('Rain Rate', field(pts, 'rainratein'), c.cool)],
    lbls, 'in/hr');

  makeChart('cRainAccum', 'line',
    [lineDataset('Daily Rain', field(pts, 'dailyrainin'), c.cool)],
    lbls, 'in', { scales: { y: { min: 0 } } });

  makeChart('cUV', 'line',
    [lineDataset('UV Index', field(pts, 'uv'), c.accent)],
    lbls, null, { scales: { y: { min: 0 } } });

  makeChart('cSolar', 'line',
    [lineDataset('Solar W/m²', field(pts, 'solarradiation'), c.accent)],
    lbls, 'W/m²', { scales: { y: { min: 0 } } });

  // Wind rose
  const roseCanvas = document.getElementById('windRoseCanvas');
  if (roseCanvas) {
    const dpr = window.devicePixelRatio || 1;
    roseCanvas.width = 200 * dpr;
    roseCanvas.height = 200 * dpr;
    roseCanvas.style.width = '200px';
    roseCanvas.style.height = '200px';
    roseCanvas.getContext('2d').scale(dpr, dpr);
    drawWindRose(roseCanvas, readings);
  }
}

// ── Update current stats ─────────────────────────────────────────────────────
async function updateLatest() {
  try {
    const r = await fetch('/api/station/latest');
    if (!r.ok) return;
    const d = await r.json();
    if (!d) return;

    const set = (id, val, digits = 1) => {
      const el = document.getElementById(id);
      if (el) el.textContent = val != null ? (typeof val === 'number' ? val.toFixed(digits) : val) : '—';
    };

    set('sTempF', d.tempf);
    set('sFeels', d.feelsLike ?? d.tempf);
    set('sHum', d.humidity, 0);
    set('sDew', d.dewPoint);
    set('sWind', d.windspeedmph);
    set('sGust', d.windgustmph);
    set('sPres', d.baromrelin, 2);
    set('sRain', d.dailyrainin, 2);
    set('sRainRate', d.rainratein, 2);
    set('sUV', d.uv, 0);
    set('sSolar', d.solarradiation, 0);
    set('sBatt', d.battout != null ? (d.battout === 1 ? 'OK' : 'Low') : '—', 0);

    const name = document.getElementById('stationName');
    if (name && d.PASSKEY) name.textContent = '';

    const meta = document.getElementById('headerMeta');
    if (meta && d.dateutc) {
      meta.textContent = 'Updated ' + new Date(d.dateutc).toLocaleTimeString();
    }
  } catch {}
}

// ── Load history ─────────────────────────────────────────────────────────────
async function loadHistory(range) {
  const area = document.getElementById('chartsArea');
  area.innerHTML = '<div class="status" id="loadingMsg">Loading…</div>';
  try {
    const r = await fetch(`/api/station/history?range=${range}`);
    if (r.status === 401) { location.href = '/dashboard/login'; return; }
    if (!r.ok) throw new Error('Failed');
    const data = await r.json();
    renderCharts(data, range);
    const line = document.getElementById('updatedLine');
    if (line) line.textContent = `${data.length} readings loaded · fetched ${new Date().toLocaleTimeString()}`;
  } catch (e) {
    area.innerHTML = `<div class="status error">Failed to load station history. ${e.message}</div>`;
  }
}

// ── Init ──────────────────────────────────────────────────────────────────────
document.querySelectorAll('.range-btn').forEach(btn => {
  btn.addEventListener('click', () => {
    document.querySelectorAll('.range-btn').forEach(b => b.classList.remove('active'));
    btn.classList.add('active');
    currentRange = btn.dataset.range;
    loadHistory(currentRange);
  });
});

document.getElementById('refreshBtn').addEventListener('click', () => {
  updateLatest();
  loadHistory(currentRange);
});

// Auto-refresh latest every 2 minutes
setInterval(updateLatest, 120000);

updateLatest();
loadHistory(currentRange);
</script>
</body>
</html>