{% extends "base.html" %}
{% block title %}Dashboard – GANDALF{% endblock %}

{% block content %}

<!-- ── Status bar ──────────────────────────────────────────────────── -->
<div class="status-bar">
  <div class="status-chips">
    {% if summary.critical %}
    <span class="chip chip-critical">● {{ summary.critical }} CRITICAL</span>
    {% endif %}
    {% if summary.warning %}
    <span class="chip chip-warning">● {{ summary.warning }} WARNING</span>
    {% endif %}
    {% if not summary.critical and not summary.warning %}
    <span class="chip chip-ok">✔ ALL SYSTEMS NOMINAL</span>
    {% endif %}
  </div>
  <div class="status-meta">
    <span class="last-check" id="last-check">{{ last_check }}</span>
    <button class="btn-refresh" onclick="refreshAll()">↻ REFRESH</button>
  </div>
</div>

<!-- ── Network topology + host grid ───────────────────────────────── -->
<section class="section">
  <div class="section-header">
    <h2 class="section-title">Network Hosts</h2>
  </div>

  <div class="topology" id="topology-diagram">
    <div class="topo-row topo-row-internet">
      <div class="topo-node topo-internet">
        <span class="topo-icon">◈</span>
        <span class="topo-label">Internet</span>
      </div>
    </div>
    <div class="topo-connectors single">
      <div class="topo-line"></div>
    </div>
    <div class="topo-row">
      <div class="topo-node topo-unifi" id="topo-gateway">
        <span class="topo-icon">⬡</span>
        <span class="topo-label">UDM-Pro</span>
        <span class="topo-status-dot" data-topo-target="gateway"></span>
      </div>
    </div>
    <div class="topo-connectors single">
      <div class="topo-line topo-line-labeled" data-link-label="10G DAC"></div>
    </div>
    <div class="topo-row">
      <div class="topo-node topo-switch" id="topo-switch-agg">
        <span class="topo-icon">⬡</span>
        <span class="topo-label">Agg Switch</span>
        <span class="topo-status-dot" data-topo-target="switch-agg"></span>
      </div>
    </div>
    <div class="topo-connectors single">
      <div class="topo-line topo-line-labeled" data-link-label="10G DAC"></div>
    </div>
    <div class="topo-row">
      <div class="topo-node topo-switch" id="topo-switch-poe">
        <span class="topo-icon">⬡</span>
        <span class="topo-label">PoE Switch</span>
        <span class="topo-status-dot" data-topo-target="switch-poe"></span>
      </div>
    </div>
    <div class="topo-connectors wide">
      {% for name in snapshot.hosts %}
      <div class="topo-line"></div>
      {% endfor %}
    </div>
    <div class="topo-row topo-hosts-row">
      {% for name, host in snapshot.hosts.items() %}
      <div class="topo-node topo-host topo-status-{{ host.status }}" data-host="{{ name }}">
        <span class="topo-icon">▣</span>
        <span class="topo-label">{{ name }}</span>
        <span class="topo-badge topo-badge-{{ host.status }}">{{ host.status }}</span>
      </div>
      {% endfor %}
    </div>
  </div>

  <!-- Host cards -->
  <div class="host-grid" id="host-grid">
    {% for name, host in snapshot.hosts.items() %}
    {% set suppressed = suppressions | selectattr('target_name', 'equalto', name) | list %}
    <div class="host-card host-card-{{ host.status }}" data-host="{{ name }}">
      <div class="host-card-header">
        <div class="host-name-row">
          <span class="host-status-dot dot-{{ host.status }}"></span>
          <span class="host-name">{{ name }}</span>
          {% if suppressed %}
          <span class="badge-suppressed" title="Suppressed">🔕</span>
          {% endif %}
        </div>
        <div class="host-meta">
          <span class="host-ip">{{ host.ip }}</span>
          <span class="host-source source-{{ host.source }}">{{ host.source }}</span>
        </div>
      </div>

      {% if host.interfaces %}
      <div class="iface-list">
        {% for iface, state in host.interfaces.items() | sort %}
        <div class="iface-row">
          <span class="iface-dot dot-{{ state }}"></span>
          <span class="iface-name">{{ iface }}</span>
          <span class="iface-state state-{{ state }}">{{ state }}</span>
        </div>
        {% endfor %}
      </div>
      {% else %}
      <div class="host-ping-note">ping-only / no node_exporter</div>
      {% endif %}

      <div class="host-actions">
        <button class="btn-sm btn-suppress"
                data-sup-type="host"
                data-sup-name="{{ name }}"
                data-sup-detail=""
                title="Suppress alerts for this host">
          🔕 Suppress
        </button>
        <a href="{{ url_for('links_page') }}#{{ name }}"
           class="btn-sm btn-secondary" style="text-decoration:none">
          ↗ Links
        </a>
      </div>
    </div>
    {% else %}
    <p class="empty-state">No host data yet – monitor is initializing.</p>
    {% endfor %}
  </div>
</section>

<!-- ── UniFi devices ────────────────────────────────────────────────── -->
{% if snapshot.unifi %}
<section class="section">
  <div class="section-header">
    <h2 class="section-title">UniFi Devices</h2>
  </div>
  <div class="table-wrap">
    <table class="data-table" id="unifi-table">
      <thead>
        <tr>
          <th>Status</th>
          <th>Name</th>
          <th>Type</th>
          <th>Model</th>
          <th>IP</th>
          <th>Actions</th>
        </tr>
      </thead>
      <tbody>
        {% for d in snapshot.unifi %}
        <tr class="{% if not d.connected %}row-critical{% endif %}">
          <td>
            <span class="dot-{{ 'up' if d.connected else 'down' }}"></span>
            {{ 'ONLINE' if d.connected else 'OFFLINE' }}
          </td>
          <td><strong>{{ d.name }}</strong></td>
          <td>{{ d.type }}</td>
          <td>{{ d.model }}</td>
          <td>{{ d.ip }}</td>
          <td>
            {% if not d.connected %}
            <button class="btn-sm btn-suppress"
                    data-sup-type="unifi_device"
                    data-sup-name="{{ d.name }}"
                    data-sup-detail="">
              🔕 Suppress
            </button>
            {% endif %}
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>
</section>
{% endif %}

<!-- ── Active alerts ───────────────────────────────────────────────── -->
<section class="section">
  <div class="section-header">
    <h2 class="section-title">Active Alerts</h2>
    {% if summary.critical or summary.warning %}
    <span class="section-badge">{{ (summary.critical or 0) + (summary.warning or 0) }}</span>
    {% endif %}
  </div>
  <div id="events-table-wrap">
    {% if events %}
    <div class="table-wrap">
      <table class="data-table" id="events-table">
        <thead>
          <tr>
            <th>Sev</th>
            <th>Type</th>
            <th>Target</th>
            <th>Detail</th>
            <th>Description</th>
            <th>First Seen</th>
            <th>Last Seen</th>
            <th>Failures</th>
            <th>Ticket</th>
            <th>Actions</th>
          </tr>
        </thead>
        <tbody>
          {% for e in events %}
          {% if e.severity != 'info' %}
          <tr class="row-{{ e.severity }}">
            <td><span class="badge badge-{{ e.severity }}">{{ e.severity }}</span></td>
            <td>{{ e.event_type | replace('_', ' ') }}</td>
            <td><strong>{{ e.target_name }}</strong></td>
            <td>{{ e.target_detail or '–' }}</td>
            <td class="desc-cell" title="{{ e.description | e }}">{{ e.description | truncate(60) }}</td>
            <td class="ts-cell" title="{{ e.first_seen }}">
              <span class="event-age" data-ts="{{ e.first_seen }}">{{ e.first_seen }}</span>
            </td>
            <td class="ts-cell" title="{{ e.last_seen }}">
              <span class="event-age" data-ts="{{ e.last_seen }}">{{ e.last_seen }}</span>
            </td>
            <td>{{ e.consecutive_failures }}</td>
            <td>
              {% if e.ticket_id %}
              <a href="{{ config.ticket_api.web_url }}{{ e.ticket_id }}" target="_blank"
                 class="ticket-link">#{{ e.ticket_id }}</a>
              {% else %}–{% endif %}
            </td>
            <td>
              <button class="btn-sm btn-suppress"
                      data-sup-type="{{ 'unifi_device' if e.event_type == 'unifi_device_offline' else 'interface' if e.event_type == 'interface_down' else 'host' }}"
                      data-sup-name="{{ e.target_name }}"
                      data-sup-detail="{{ e.target_detail or '' }}"
                      title="Suppress">🔕</button>
            </td>
          </tr>
          {% endif %}
          {% else %}
          <tr><td colspan="10" class="empty-state">No active alerts ✔</td></tr>
          {% endfor %}
        </tbody>
      </table>
    </div>
    {% else %}
    <p class="empty-state">No active alerts ✔</p>
    {% endif %}
  </div>
</section>

<!-- ── Quick-suppress modal ─────────────────────────────────────────── -->
<div id="suppress-modal" class="modal-overlay" style="display:none">
  <div class="modal">
    <div class="modal-header">
      <h3>Suppress Alert</h3>
      <button class="modal-close" onclick="closeSuppressModal()">✕</button>
    </div>
    <form id="suppress-form" onsubmit="submitSuppress(event)">
      <div class="form-group" style="margin-bottom:10px">
        <label>Target Type</label>
        <select id="sup-type" name="target_type" onchange="updateSuppressForm()">
          <option value="host">Host (all interfaces)</option>
          <option value="interface">Specific Interface</option>
          <option value="unifi_device">UniFi Device</option>
          <option value="all">Global Maintenance</option>
        </select>
      </div>
      <div class="form-group" id="sup-name-group" style="margin-bottom:10px">
        <label>Target Name</label>
        <input type="text" id="sup-name" name="target_name" placeholder="e.g. large1">
      </div>
      <div class="form-group" id="sup-detail-group" style="margin-bottom:10px;display:none">
        <label>Interface <span class="form-hint">(interface type only)</span></label>
        <input type="text" id="sup-detail" name="target_detail" placeholder="e.g. enp35s0">
      </div>
      <div class="form-group" style="margin-bottom:10px">
        <label>Reason <span class="required">*</span></label>
        <input type="text" id="sup-reason" name="reason"
               placeholder="e.g. Planned switch reboot" required>
      </div>
      <div class="form-group" style="margin-bottom:0">
        <label>Duration</label>
        <div class="duration-pills">
          <button type="button" class="pill" onclick="setDuration(30, this)">30 min</button>
          <button type="button" class="pill" onclick="setDuration(60, this)">1 hr</button>
          <button type="button" class="pill" onclick="setDuration(240, this)">4 hr</button>
          <button type="button" class="pill" onclick="setDuration(480, this)">8 hr</button>
          <button type="button" class="pill pill-manual active" onclick="setDuration(null, this)">Manual ∞</button>
        </div>
        <input type="hidden" id="sup-expires" name="expires_minutes" value="">
        <div class="form-hint" id="duration-hint">Persists until manually removed.</div>
      </div>
      <div class="modal-actions">
        <button type="button" class="btn btn-secondary" onclick="closeSuppressModal()">Cancel</button>
        <button type="submit" class="btn btn-primary">Apply</button>
      </div>
    </form>
  </div>
</div>

{% endblock %}

{% block scripts %}
<script>
  setInterval(refreshAll, 30000);

  // ── Relative time display for event age cells ──────────────────
  function fmtRelTime(tsStr) {
    if (!tsStr) return '–';
    const d = new Date(tsStr.replace(' UTC', 'Z').replace(' ', 'T'));
    if (isNaN(d)) return tsStr;
    const secs = Math.floor((Date.now() - d) / 1000);
    if (secs < 60)   return `${secs}s ago`;
    if (secs < 3600) return `${Math.floor(secs/60)}m ago`;
    if (secs < 86400) return `${Math.floor(secs/3600)}h ago`;
    return `${Math.floor(secs/86400)}d ago`;
  }

  function updateEventAges() {
    document.querySelectorAll('.event-age[data-ts]').forEach(el => {
      el.textContent = fmtRelTime(el.dataset.ts);
    });
  }

  updateEventAges();
  setInterval(updateEventAges, 60000);
</script>
{% endblock %}