MyDeviceGuard/stats.html at main · pezzaliapp/MyDeviceGuard · GitHub

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<!DOCTYPE html>
<html lang="it" data-theme="dark">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover"/>
  <title>MyDeviceGuard – Statistiche</title>
  <meta name="theme-color" content="#0b0f14" />
  <link rel="manifest" href="manifest.json" />
  <link rel="icon" href="icon/mydeviceguard-192.png" />
  <link rel="stylesheet" href="css/style.css" />
</head>
<body>
  <div class="wrap">
    <div class="header">
      <div>
        <div class="logo">📊 Statistiche</div>
        <div class="sub">Andamento del device nel tempo. Tutto dai dati locali, nessun invio.</div>
      </div>
      <button class="icon-btn" onclick="MDG.toggleTheme()" title="Cambia tema">🌓</button>
    </div>

    <div class="nav">
      <a href="index.html">🏠 Home</a>
      <a href="tracker.html">📍 Tracker</a>
      <a href="controller.html">🎮 Controller</a>
      <a href="security.html">🔍 Security</a>
      <a href="logs.html">📋 Log</a>
      <a href="pairing.html">🔗 Pairing</a>
      <a href="backup.html">💾 Backup</a>
      <a href="stats.html" class="active">📊 Stats</a>
      <a href="help.html">📖 Manuale</a>
    </div>

    <!-- STATISTICHE A COLPO D'OCCHIO -->
    <div class="card">
      <h2>🔢 Numeri chiave (ultimi 30 giorni)</h2>
      <div class="grid" style="grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap:10px;margin-top:10px">
        <div class="card" style="background:var(--panel-2);text-align:center;margin:0">
          <div class="small dim">Sessioni</div>
          <div class="mono" style="font-size:28px;color:var(--info)" id="kpiSessions">0</div>
        </div>
        <div class="card" style="background:var(--panel-2);text-align:center;margin:0">
          <div class="small dim">Audit eseguiti</div>
          <div class="mono" style="font-size:28px;color:var(--accent)" id="kpiAudits">0</div>
        </div>
        <div class="card" style="background:var(--panel-2);text-align:center;margin:0">
          <div class="small dim">Alert totali</div>
          <div class="mono" style="font-size:28px;color:var(--warn)" id="kpiAlerts">0</div>
        </div>
        <div class="card" style="background:var(--panel-2);text-align:center;margin:0">
          <div class="small dim">Cambi sicurezza</div>
          <div class="mono" style="font-size:28px;color:var(--danger)" id="kpiChanges">0</div>
        </div>
      </div>
    </div>

    <!-- GRAFICO 1: Sessioni per giorno -->
    <div class="card">
      <h2>📅 Sessioni per giorno (ultimi 14)</h2>
      <p class="dim small">Ogni barra conta quante volte hai avviato il tracker in quella data.</p>
      <div style="position:relative;height:260px;margin-top:10px">
        <canvas id="chartSessions"></canvas>
      </div>
      <div class="empty" id="emptySessions" style="display:none">
        <p>Nessuna sessione registrata. Vai su <a href="tracker.html">Tracker</a> e avvia il tracking per vedere i dati qui.</p>
      </div>
    </div>

    <!-- GRAFICO 2: Salute audit nel tempo -->
    <div class="card">
      <h2>🩺 Salute del device nel tempo</h2>
      <p class="dim small">Linea rossa = check critici · Linea gialla = avvisi · Linea verde = check puliti. Linee stabili = situazione stabile. Picchi = cambiamenti.</p>
      <div style="position:relative;height:260px;margin-top:10px">
        <canvas id="chartHealth"></canvas>
      </div>
      <div class="empty" id="emptyHealth" style="display:none">
        <p>Nessuno snapshot di audit. Attiva <strong>Audit schedulato</strong> in <a href="security.html">Security</a> per iniziare a raccogliere dati.</p>
      </div>
    </div>

    <!-- GRAFICO 3: Alert per tipo -->
    <div class="card">
      <h2>🚨 Alert per tipo</h2>
      <p class="dim small">Distribuzione delle categorie di alert registrate localmente.</p>
      <div style="position:relative;height:260px;margin-top:10px">
        <canvas id="chartAlerts"></canvas>
      </div>
      <div class="empty" id="emptyAlerts" style="display:none">
        <p>Nessun alert al momento. Sarà popolato automaticamente dall'audit schedulato o dal monitor digitazione.</p>
      </div>
    </div>

    <div class="card">
      <h2>🧰 Azioni</h2>
      <div class="btn-row">
        <button class="btn" id="refreshBtn">🔄 Ricarica</button>
        <button class="btn" id="exportBtn">⬇️ Esporta CSV riepilogo</button>
      </div>
      <p class="small dim" style="margin-top:10px">Il CSV contiene solo dati aggregati (per giorno) — nessun dettaglio sensibile.</p>
    </div>
  </div>

  <script src="js/common.js"></script>
  <script src="js/db.js"></script>
  <script src="js/chart.min.js"></script>
  <script>
    // Uso i colori delle variabili CSS così i grafici rispettano il tema
    function css(varName) {
      return getComputedStyle(document.documentElement).getPropertyValue(varName).trim();
    }

    function dateKey(ts) {
      const d = new Date(ts);
      return d.getFullYear() + '-' +
             String(d.getMonth() + 1).padStart(2, '0') + '-' +
             String(d.getDate()).padStart(2, '0');
    }
    function shortDateLabel(iso) {
      const d = new Date(iso + 'T00:00:00');
      return d.toLocaleDateString(navigator.language || 'it-IT', { day: '2-digit', month: 'short' });
    }
    function lastNDays(n) {
      const days = [];
      const today = new Date();
      today.setHours(0,0,0,0);
      for (let i = n - 1; i >= 0; i--) {
        const d = new Date(today); d.setDate(d.getDate() - i);
        days.push(dateKey(d));
      }
      return days;
    }

    let charts = {};

    async function buildAll() {
      const events = await MDG.db.getAllEvents({ limit: 10000 });
      const alerts = await MDG.db.getAllAlerts({ limit: 10000 });

      const now = Date.now();
      const thirtyDaysAgo = now - 30 * 24 * 3600 * 1000;
      const recentEvents = events.filter(e => e.ts >= thirtyDaysAgo);
      const recentAlerts = alerts.filter(a => a.ts >= thirtyDaysAgo);

      // --- KPI
      const sessions = recentEvents.filter(e => e.type === 'session_start').length;
      const audits = recentEvents.filter(e => e.type === 'audit_snapshot' || e.type === 'security_audit').length;
      const changes = recentAlerts.filter(a => a.type === 'security_change').length;

      document.getElementById('kpiSessions').textContent = sessions;
      document.getElementById('kpiAudits').textContent = audits;
      document.getElementById('kpiAlerts').textContent = recentAlerts.length;
      document.getElementById('kpiChanges').textContent = changes;

      // --- Grafico 1: Sessioni per giorno (14 giorni)
      buildSessionsChart(events);

      // --- Grafico 2: Salute device nel tempo (ultimi 14 giorni)
      buildHealthChart(events);

      // --- Grafico 3: Alert per tipo
      buildAlertsChart(alerts);
    }

    function buildSessionsChart(events) {
      const days = lastNDays(14);
      const counts = Object.fromEntries(days.map(d => [d, 0]));
      for (const e of events) {
        if (e.type !== 'session_start') continue;
        const k = dateKey(e.ts);
        if (k in counts) counts[k]++;
      }
      const total = Object.values(counts).reduce((a,b) => a+b, 0);
      const emptyEl = document.getElementById('emptySessions');
      const canvas = document.getElementById('chartSessions');
      if (total === 0) {
        canvas.style.display = 'none';
        emptyEl.style.display = 'block';
        return;
      }
      canvas.style.display = 'block';
      emptyEl.style.display = 'none';

      if (charts.sessions) charts.sessions.destroy();
      charts.sessions = new Chart(canvas.getContext('2d'), {
        type: 'bar',
        data: {
          labels: days.map(shortDateLabel),
          datasets: [{
            label: 'Sessioni',
            data: days.map(d => counts[d]),
            backgroundColor: css('--info'),
            borderRadius: 4
          }]
        },
        options: commonChartOptions({ stepSize: 1 })
      });
    }

    function buildHealthChart(events) {
      const snaps = events
        .filter(e => e.type === 'audit_snapshot' && e.summary)
        .sort((a, b) => a.ts - b.ts);

      const emptyEl = document.getElementById('emptyHealth');
      const canvas = document.getElementById('chartHealth');
      if (snaps.length === 0) {
        canvas.style.display = 'none';
        emptyEl.style.display = 'block';
        return;
      }
      canvas.style.display = 'block';
      emptyEl.style.display = 'none';

      // Aggrega per giorno: prendo l'ULTIMO snapshot di ogni giorno
      const byDay = {};
      for (const s of snaps) {
        const k = dateKey(s.ts);
        byDay[k] = s.summary;
      }
      const days = Object.keys(byDay).sort();
      const lastDays = days.slice(-14);

      if (charts.health) charts.health.destroy();
      charts.health = new Chart(canvas.getContext('2d'), {
        type: 'line',
        data: {
          labels: lastDays.map(shortDateLabel),
          datasets: [
            {
              label: 'Critici',
              data: lastDays.map(d => byDay[d].danger || 0),
              borderColor: css('--danger'),
              backgroundColor: css('--danger') + '33',
              tension: 0.3, fill: false, borderWidth: 2
            },
            {
              label: 'Avvisi',
              data: lastDays.map(d => byDay[d].warn || 0),
              borderColor: css('--warn'),
              backgroundColor: css('--warn') + '33',
              tension: 0.3, fill: false, borderWidth: 2
            },
            {
              label: 'OK',
              data: lastDays.map(d => byDay[d].ok || 0),
              borderColor: css('--ok'),
              backgroundColor: css('--ok') + '33',
              tension: 0.3, fill: false, borderWidth: 2
            }
          ]
        },
        options: commonChartOptions({ showLegend: true })
      });
    }

    function buildAlertsChart(alerts) {
      const emptyEl = document.getElementById('emptyAlerts');
      const canvas = document.getElementById('chartAlerts');
      if (alerts.length === 0) {
        canvas.style.display = 'none';
        emptyEl.style.display = 'block';
        return;
      }
      canvas.style.display = 'block';
      emptyEl.style.display = 'none';

      const byType = {};
      for (const a of alerts) {
        const t = a.type || 'unknown';
        byType[t] = (byType[t] || 0) + 1;
      }
      const labels = Object.keys(byType);
      const data = labels.map(l => byType[l]);

      if (charts.alerts) charts.alerts.destroy();
      charts.alerts = new Chart(canvas.getContext('2d'), {
        type: 'doughnut',
        data: {
          labels,
          datasets: [{
            data,
            backgroundColor: [
              css('--warn'), css('--danger'), css('--info'),
              css('--accent'), '#a855f7', '#ec4899', '#14b8a6'
            ],
            borderColor: css('--panel'),
            borderWidth: 2
          }]
        },
        options: {
          responsive: true,
          maintainAspectRatio: false,
          plugins: {
            legend: {
              position: 'right',
              labels: { color: css('--text'), font: { size: 12 } }
            }
          }
        }
      });
    }

    function commonChartOptions({ stepSize, showLegend = false } = {}) {
      return {
        responsive: true,
        maintainAspectRatio: false,
        plugins: {
          legend: { display: showLegend, labels: { color: css('--text') } },
          tooltip: {
            backgroundColor: css('--panel'),
            borderColor: css('--border'),
            borderWidth: 1,
            titleColor: css('--text'),
            bodyColor: css('--text')
          }
        },
        scales: {
          x: {
            grid: { color: css('--border') + '55' },
            ticks: { color: css('--text-dim') }
          },
          y: {
            grid: { color: css('--border') + '55' },
            ticks: { color: css('--text-dim'), stepSize: stepSize || undefined },
            beginAtZero: true
          }
        }
      };
    }

    document.getElementById('refreshBtn').onclick = () => {
      MDG.toast('Ricarico dati…');
      buildAll();
    };

    document.getElementById('exportBtn').onclick = async () => {
      const events = await MDG.db.getAllEvents({ limit: 10000 });
      const alerts = await MDG.db.getAllAlerts({ limit: 10000 });
      const rows = [['data', 'sessioni', 'audit', 'alert', 'cambi_sicurezza']];
      const map = {};
      for (const e of events) {
        const k = dateKey(e.ts);
        if (!map[k]) map[k] = { sessioni: 0, audit: 0, alert: 0, cambi: 0 };
        if (e.type === 'session_start') map[k].sessioni++;
        if (e.type === 'audit_snapshot' || e.type === 'security_audit') map[k].audit++;
      }
      for (const a of alerts) {
        const k = dateKey(a.ts);
        if (!map[k]) map[k] = { sessioni: 0, audit: 0, alert: 0, cambi: 0 };
        map[k].alert++;
        if (a.type === 'security_change') map[k].cambi++;
      }
      const keys = Object.keys(map).sort();
      for (const k of keys) {
        rows.push([k, map[k].sessioni, map[k].audit, map[k].alert, map[k].cambi]);
      }
      const csv = rows.map(r => r.map(f => `"${String(f).replace(/"/g,'""')}"`).join(',')).join('\r\n');
      const blob = new Blob([csv], { type: 'text/csv;charset=utf-8' });
      const url = URL.createObjectURL(blob);
      const a = document.createElement('a');
      const stamp = new Date().toISOString().slice(0,10);
      a.href = url; a.download = `mydeviceguard-stats-${stamp}.csv`;
      document.body.appendChild(a); a.click(); document.body.removeChild(a);
      URL.revokeObjectURL(url);
      MDG.toast('CSV scaricato');
    };

    buildAll();
    // auto-refresh ogni 60s per seguire i nuovi snapshot
    setInterval(buildAll, 60000);
  </script>
</body>
</html>