dashcaddy/status/js/resource-monitor.js

// ========== RESOURCE MONITOR (Enhanced) ==========
(function() {
  // Inject modal HTML
  injectModal('stats-modal', `<div id="stats-modal" class="weather-modal">
    <div class="weather-modal-content" style="min-width: 750px; max-width: 950px;">
      <h3>📊 Resource Monitor</h3>
      <p class="modal-subtitle">
        Real-time and historical CPU, memory, network, and disk usage for containers.
      </p>

      <!-- Tab bar -->
      <div class="panel-tabs">
        <button class="panel-tab active" data-panel="stats-live">Live Stats</button>
        <button class="panel-tab" data-panel="stats-aggregated">24h Summary</button>
        <button class="panel-tab" data-panel="stats-alerts">Alerts</button>
      </div>

      <!-- Tab: Live Stats -->
      <div id="stats-live" class="panel-section active">
        <div id="stats-container" class="scroll-container">
          <div style="text-align: center; padding: 40px; color: var(--muted);">
            <span class="brand-spinner"></span> Loading container stats...
          </div>
        </div>
      </div>

      <!-- Tab: 24h Aggregated Summary -->
      <div id="stats-aggregated" class="panel-section">
        <div id="stats-aggregated-container" class="scroll-container">
          <div class="panel-empty">
            <span class="empty-icon">📈</span>
            Loading 24-hour aggregated metrics...
          </div>
        </div>
      </div>

      <!-- Tab: Alert Configuration -->
      <div id="stats-alerts" class="panel-section">
        <div id="stats-alerts-container" class="scroll-container">
          <div class="panel-empty">
            <span class="empty-icon">🔔</span>
            Loading alert configurations...
          </div>
        </div>
      </div>

      <!-- Auto-refresh toggle (bottom bar) -->
      <div class="panel-bottom-bar">
        <label class="checkbox-label" style="font-size: 0.85rem;">
          <input type="checkbox" id="stats-auto-refresh" checked />
          Auto-refresh every 5s
        </label>
        <button id="stats-refresh-btn" class="btn-sm">🔄 Refresh Now</button>
        <span id="stats-last-update" class="text-auto-right"></span>
      </div>

      <!-- Close Button -->
      <div class="weather-modal-buttons modal-footer-bar">
        <button id="stats-cancel">Close</button>
      </div>
    </div>
  </div>`);

  const modal = document.getElementById('stats-modal');
  const openBtn = document.getElementById('container-stats-btn');
  const cancelBtn = document.getElementById('stats-cancel');
  const refreshBtn = document.getElementById('stats-refresh-btn');
  const autoRefreshCheckbox = document.getElementById('stats-auto-refresh');
  const container = document.getElementById('stats-container');
  const aggregatedContainer = document.getElementById('stats-aggregated-container');
  const alertsContainer = document.getElementById('stats-alerts-container');
  const lastUpdateSpan = document.getElementById('stats-last-update');

  let refreshInterval = null;
  let cachedMonitoringData = null;

  function formatBytes(bytes) {
    if (bytes === 0 || !bytes) return '0 B';
    const k = 1024;
    const sizes = ['B', 'KB', 'MB', 'GB'];
    const i = Math.floor(Math.log(bytes) / Math.log(k));
    return parseFloat((bytes / Math.pow(k, i)).toFixed(1)) + ' ' + sizes[i];
  }

  function getCpuColor(percent) {
    if (percent < 30) return '#2ecc71';
    if (percent < 70) return '#f39c12';
    return '#e74c3c';
  }

  function getMemColor(percent) {
    if (percent < 50) return '#2ecc71';
    if (percent < 80) return '#f39c12';
    return '#e74c3c';
  }

  async function loadStats() {
    try {
      // Try new monitoring API first, fall back to old
      let stats = null;
      let isNewApi = false;
      try {
        const res = await fetch('/api/v1/monitoring/stats');
        const data = await res.json();
        if (data.success && data.stats) { stats = data.stats; isNewApi = true; cachedMonitoringData = data.stats; }
      } catch (_) {}

      if (!isNewApi) {
        const response = await fetch('/api/v1/stats/containers');
        const data = await response.json();
        if (data.success && data.stats) {
          // Convert array format to object format
          stats = {};
          for (const s of data.stats) {
            stats[s.name] = { name: s.name, current: { cpu: s.cpu, memory: { percent: s.memory.percent, usage: s.memory.used, limit: s.memory.limit, usageMB: Math.round(s.memory.used / 1048576), limitMB: Math.round(s.memory.limit / 1048576) }, network: { rxBytes: s.network.rx, txBytes: s.network.tx, rxMB: (s.network.rx / 1048576).toFixed(1), txMB: (s.network.tx / 1048576).toFixed(1) }, disk: { readMB: 0, writeMB: 0 } }, status: s.status };
          }
          cachedMonitoringData = stats;
        }
      }

      if (!stats || Object.keys(stats).length === 0) {
        container.innerHTML = '<div style="text-align: center; padding: 40px; color: var(--muted);">No running containers found</div>';
        return;
      }

      let html = '<div style="display: flex; flex-direction: column; gap: 8px;">';

      for (const [id, info] of Object.entries(stats)) {
        const cur = info.current || info;
        const cpu = cur.cpu?.percent || 0;
        const mem = cur.memory?.percent || 0;
        const cpuColor = getCpuColor(cpu);
        const memColor = getMemColor(mem);
        const memUsed = cur.memory?.usage || cur.memory?.used || 0;
        const memLimit = cur.memory?.limit || 0;
        const netRx = cur.network?.rxBytes || cur.network?.rx || 0;
        const netTx = cur.network?.txBytes || cur.network?.tx || 0;
        const agg = info.aggregated;

        html += `
          <div style="padding: 12px; background: var(--card-base); border-radius: 8px; border: 1px solid var(--border);">
            <div style="display: flex; align-items: center; gap: 12px; margin-bottom: 10px;">
              <span style="font-weight: 600; flex: 1;">${info.name || id}</span>
              ${agg ? `<span style="font-size: 0.65rem; color: var(--muted); padding: 2px 6px; background: color-mix(in srgb, var(--accent) 10%, transparent); border-radius: 4px;">avg ${agg.cpu?.avg?.toFixed(0) || 0}% cpu</span>` : ''}
              <span style="font-size: 0.75rem; color: var(--muted); background: var(--base); padding: 2px 8px; border-radius: 4px;">${info.status || 'running'}</span>
            </div>
            <div style="display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;">
              <div>
                <div style="font-size: 0.7rem; color: var(--muted); margin-bottom: 4px;">CPU</div>
                <div style="display: flex; align-items: center; gap: 8px;">
                  <div style="flex: 1; height: 6px; background: var(--base); border-radius: 3px; overflow: hidden;">
                    <div style="height: 100%; width: ${Math.min(cpu, 100)}%; background: ${cpuColor}; border-radius: 3px; transition: width 0.3s;"></div>
                  </div>
                  <span style="font-size: 0.8rem; font-weight: 500; color: ${cpuColor}; min-width: 45px; text-align: right;">${cpu.toFixed(1)}%</span>
                </div>
              </div>
              <div>
                <div style="font-size: 0.7rem; color: var(--muted); margin-bottom: 4px;">Memory</div>
                <div style="display: flex; align-items: center; gap: 8px;">
                  <div style="flex: 1; height: 6px; background: var(--base); border-radius: 3px; overflow: hidden;">
                    <div style="height: 100%; width: ${Math.min(mem, 100)}%; background: ${memColor}; border-radius: 3px; transition: width 0.3s;"></div>
                  </div>
                  <span style="font-size: 0.8rem; font-weight: 500; color: ${memColor}; min-width: 45px; text-align: right;">${mem.toFixed(1)}%</span>
                </div>
                <div style="font-size: 0.65rem; color: var(--muted); margin-top: 2px;">${formatBytes(memUsed)} / ${formatBytes(memLimit)}</div>
              </div>
              <div>
                <div style="font-size: 0.7rem; color: var(--muted); margin-bottom: 4px;">Network</div>
                <div style="font-size: 0.8rem;">
                  <span style="color: #3498db;">↓ ${formatBytes(netRx)}</span>
                  <span style="color: var(--muted); margin: 0 4px;">/</span>
                  <span style="color: #e74c3c;">↑ ${formatBytes(netTx)}</span>
                </div>
              </div>
            </div>
          </div>`;
      }
      html += '</div>';
      container.innerHTML = html;
      lastUpdateSpan.textContent = 'Updated: ' + new Date().toLocaleTimeString();
    } catch (e) {
      container.innerHTML = `<div style="text-align: center; padding: 40px; color: var(--bad-fg);">❌ Failed to load stats: ${escapeHtml(e.message)}</div>`;
    }
  }

  // === 24h Aggregated Tab ===
  async function loadAggregated() {
    if (!aggregatedContainer) return;
    const data = cachedMonitoringData;
    if (!data || Object.keys(data).length === 0) {
      aggregatedContainer.innerHTML = '<div class="panel-empty"><span class="empty-icon">📈</span>No monitoring data available. Open the Live Stats tab first.</div>';
      return;
    }
    let html = '<div style="display: flex; flex-direction: column; gap: 12px;">';
    for (const [id, info] of Object.entries(data)) {
      const agg = info.aggregated;
      if (!agg) continue;
      html += `<div style="padding: 12px; background: var(--card-base); border-radius: 8px; border: 1px solid var(--border);">
        <div style="font-weight: 600; margin-bottom: 10px;">${info.name || id}</div>
        <div style="display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;">
          <div class="stat-mini-card"><span class="stat-val">${agg.cpu?.avg?.toFixed(1) || 0}%</span><span class="stat-lbl">Avg CPU</span></div>
          <div class="stat-mini-card"><span class="stat-val">${agg.cpu?.max?.toFixed(1) || 0}%</span><span class="stat-lbl">Max CPU</span></div>
          <div class="stat-mini-card"><span class="stat-val">${agg.memory?.avg?.toFixed(1) || 0}%</span><span class="stat-lbl">Avg Mem</span></div>
          <div class="stat-mini-card"><span class="stat-val">${agg.memory?.max?.toFixed(1) || 0}%</span><span class="stat-lbl">Max Mem</span></div>
        </div>
        ${agg.dataPoints ? `<div style="font-size: 0.7rem; color: var(--muted); margin-top: 6px;">${agg.dataPoints} data points over ${agg.timeRange || 24}h</div>` : ''}
      </div>`;
    }
    html += '</div>';
    aggregatedContainer.innerHTML = html;
  }

  // === Alerts Tab ===
  async function loadAlerts() {
    if (!alertsContainer) return;
    alertsContainer.innerHTML = '<div class="panel-empty"><span class="brand-spinner"></span> Loading alerts...</div>';
    const data = cachedMonitoringData;
    if (!data || Object.keys(data).length === 0) {
      alertsContainer.innerHTML = '<div class="panel-empty"><span class="empty-icon">🔔</span>No containers found. Open the Live Stats tab first.</div>';
      return;
    }
    let html = '<div style="display: flex; flex-direction: column; gap: 12px;">';
    for (const [id, info] of Object.entries(data)) {
      const alertCfg = info.alertConfig || {};
      html += `<div style="padding: 12px; background: var(--card-base); border-radius: 8px; border: 1px solid var(--border);">
        <div style="display: flex; align-items: center; gap: 8px; margin-bottom: 10px;">
          <span style="font-weight: 600; flex: 1;">${info.name || id}</span>
          <label style="display: flex; align-items: center; gap: 6px; font-size: 0.8rem; cursor: pointer;">
            <input type="checkbox" class="alert-enabled" data-container="${id}" ${alertCfg.enabled ? 'checked' : ''} /> Enabled
          </label>
        </div>
        <div style="display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px;">
          <div>
            <label style="font-size: 0.75rem; color: var(--muted);">CPU Threshold %</label>
            <input type="number" class="alert-cpu" data-container="${id}" value="${alertCfg.cpuThreshold || 80}" min="1" max="100" style="width: 100%; font-size: 0.85rem;" />
          </div>
          <div>
            <label style="font-size: 0.75rem; color: var(--muted);">Memory Threshold %</label>
            <input type="number" class="alert-mem" data-container="${id}" value="${alertCfg.memoryThreshold || 85}" min="1" max="100" style="width: 100%; font-size: 0.85rem;" />
          </div>
          <div>
            <label style="font-size: 0.75rem; color: var(--muted);">Cooldown (min)</label>
            <input type="number" class="alert-cooldown" data-container="${id}" value="${alertCfg.cooldownMinutes || 15}" min="1" max="1440" style="width: 100%; font-size: 0.85rem;" />
          </div>
        </div>
        <div style="display: flex; gap: 8px; margin-top: 8px; align-items: center;">
          <label style="display: flex; align-items: center; gap: 6px; font-size: 0.8rem; cursor: pointer;">
            <input type="checkbox" class="alert-autorestart" data-container="${id}" ${alertCfg.autoRestart ? 'checked' : ''} /> Auto-restart on breach
          </label>
          <span style="flex: 1;"></span>
          <button class="alert-save-btn" data-container="${id}" style="padding: 4px 12px; font-size: 0.8rem; background: color-mix(in srgb, var(--accent) 20%, transparent); border: 1px solid var(--accent); color: var(--accent); border-radius: 4px; cursor: pointer;">Save</button>
        </div>
      </div>`;
    }
    html += '</div>';
    alertsContainer.innerHTML = html;

    // Wire up save buttons
    alertsContainer.querySelectorAll('.alert-save-btn').forEach(btn => {
      btn.addEventListener('click', async () => {
        const cId = btn.dataset.container;
        const enabled = alertsContainer.querySelector(`.alert-enabled[data-container="${cId}"]`)?.checked || false;
        const cpuThreshold = parseInt(alertsContainer.querySelector(`.alert-cpu[data-container="${cId}"]`)?.value) || 80;
        const memoryThreshold = parseInt(alertsContainer.querySelector(`.alert-mem[data-container="${cId}"]`)?.value) || 85;
        const cooldownMinutes = parseInt(alertsContainer.querySelector(`.alert-cooldown[data-container="${cId}"]`)?.value) || 15;
        const autoRestart = alertsContainer.querySelector(`.alert-autorestart[data-container="${cId}"]`)?.checked || false;
        try {
          const res = await secureFetch(`/api/v1/monitoring/alerts/${cId}`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ enabled, cpuThreshold, memoryThreshold, cooldownMinutes, autoRestart })
          });
          const data = await res.json();
          btn.textContent = data.success ? '✅ Saved' : '⚠️ Failed';
          setTimeout(() => { btn.textContent = 'Save'; }, 2000);
        } catch (e) {
          btn.textContent = '❌ Error';
          setTimeout(() => { btn.textContent = 'Save'; }, 2000);
        }
      });
    });
  }

  function startAutoRefresh() {
    if (refreshInterval) clearInterval(refreshInterval);
    if (autoRefreshCheckbox?.checked) {
      refreshInterval = setInterval(loadStats, DC.POLL.STATS);
    }
  }

  function stopAutoRefresh() {
    if (refreshInterval) {
      clearInterval(refreshInterval);
      refreshInterval = null;
    }
  }

  // Open modal
  openBtn?.addEventListener('click', () => {
    modal.classList.add('show');
    loadStats();
    startAutoRefresh();
  });

  // Close modal
  cancelBtn?.addEventListener('click', () => {
    modal.classList.remove('show');
    stopAutoRefresh();
  });

  modal?.addEventListener('click', (e) => {
    if (e.target === modal) {
      modal.classList.remove('show');
      stopAutoRefresh();
    }
  });

  refreshBtn?.addEventListener('click', loadStats);

  autoRefreshCheckbox?.addEventListener('change', () => {
    if (autoRefreshCheckbox.checked) startAutoRefresh();
    else stopAutoRefresh();
  });

  // Lazy-load tabs
  document.querySelector('[data-panel="stats-aggregated"]')?.addEventListener('click', loadAggregated);
  document.querySelector('[data-panel="stats-alerts"]')?.addEventListener('click', loadAlerts);
})();