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

{% block content %}

<!-- ── Status bar ──────────────────────────────────────────────────── -->
<div class="status-bar">
  <div class="status-chips">
    {% if not daemon_ok %}
    <span class="chip chip-critical">⚠ MONITOR OFFLINE</span>
    {% endif %}
    {% 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 daemon_ok and 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" data-tooltip="Last monitor poll timestamp" data-tooltip-pos="bottom">{{ last_check }}</span>
    <span class="lt-spinner lt-spinner--sm lt-spinner--cyan" id="refresh-spinner" style="display:none"></span>
    <button class="lt-btn lt-btn-ghost lt-btn-sm" data-action="refresh" data-tooltip="Refresh all data now" data-tooltip-pos="bottom">↻ REFRESH</button>
  </div>
</div>

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

  <div class="topology" id="topology-diagram">
  <div class="topo-v2">

    {%- set topo_h = snapshot.hosts if snapshot.hosts else {} -%}

    <!-- ══════════════════════════════════════════════════════════════
         TIER 1: Internet (WAN edge)
         ══════════════════════════════════════════════════════════ -->
    <div class="topo-tier">
      <div class="topo-v2-node topo-v2-internet">
        <span class="topo-v2-icon">◈</span>
        <span class="topo-v2-label">INTERNET</span>
        <span class="topo-v2-sub">WAN uplink</span>
      </div>
    </div>

    <!-- WAN wire: cyan → green gradient, labeled -->
    <div class="topo-vc">
      <div class="topo-vc-wire" style="background:linear-gradient(to bottom,var(--cyan),rgba(0,212,255,.3)); opacity:.7;"></div>
      <span class="topo-vc-label">WAN · 10G SFP+</span>
    </div>

    <!-- ══════════════════════════════════════════════════════════════
         TIER 2: Router – UDM-Pro
         ══════════════════════════════════════════════════════════ -->
    <div class="topo-tier">
      <div class="topo-v2-node topo-v2-router">
        <span class="topo-v2-icon">⬡</span>
        <span class="topo-v2-label">UDM-Pro</span>
        <span class="topo-v2-sub">Dream Machine Pro</span>
        <span class="topo-v2-sub">RU24</span>
      </div>
    </div>

    <!-- UDM-Pro → USW-Agg (10G SFP+) -->
    <div class="topo-vc">
      <div class="topo-vc-wire" style="background:var(--amber);opacity:.6;"></div>
      <span class="topo-vc-label">10G SFP+</span>
    </div>

    <!-- ══════════════════════════════════════════════════════════════
         TIER 3: USW-Aggregation
         ══════════════════════════════════════════════════════════ -->
    <div class="topo-tier">
      <div class="topo-v2-node topo-v2-switch" id="topo-switch-agg">
        <span class="topo-v2-icon">⬡</span>
        <span class="topo-v2-label">USW-Agg</span>
        <span class="topo-v2-sub">Aggregation · RU22</span>
        <span class="topo-v2-sub">8 × 10G SFP+</span>
        <span class="topo-v2-vlan">VLAN90 · 10.10.90.x/24</span>
      </div>
    </div>

    <!-- USW-Agg → Pro 24 PoE (10G trunk) -->
    <div class="topo-vc">
      <div class="topo-vc-wire" style="background:var(--amber);opacity:.6;"></div>
      <span class="topo-vc-label">10G trunk</span>
    </div>

    <!-- ══════════════════════════════════════════════════════════════
         TIER 4: Pro 24 PoE
         ══════════════════════════════════════════════════════════ -->
    <div class="topo-tier">
      <div class="topo-v2-node topo-v2-switch" id="topo-switch-poe">
        <span class="topo-v2-icon">⬡</span>
        <span class="topo-v2-label">Pro 24 PoE</span>
        <span class="topo-v2-sub">24-Port · RU23</span>
        <span class="topo-v2-sub">24 × 1G PoE</span>
        <span class="topo-v2-vlan">DHCP · mgmt</span>
      </div>
    </div>

    <!-- Pro 24 PoE → host bus section -->
    <div class="topo-vc">
      <div class="topo-vc-wire" style="background:var(--border-color);opacity:.5;"></div>
    </div>

    <!-- ══════════════════════════════════════════════════════════════
         TIER 4 connecting bus – two rails (10G green + 1G amber dashed)
         showing dual-homing for all 6 servers
         ══════════════════════════════════════════════════════════ -->
    <div class="topo-bus-section" style="max-width:860px;">

      <!-- 10G storage bus (Agg → VLAN90) -->
      <div class="topo-bus-10g">
        <span class="topo-bus-10g-label">← USW-Agg · 10G SFP+ · VLAN90 →</span>
        <div class="topo-bus-10g-line"></div>
      </div>

      <!-- 1G management bus (PoE → DHCP) -->
      <div class="topo-bus-1g">
        <span class="topo-bus-1g-label">← Pro 24 PoE · 1G · DHCP mgmt →</span>
        <div class="topo-bus-1g-line"></div>
      </div>

      <!-- ── Host nodes with drop wires ── -->
      <div class="topo-v2-hosts">
        {%- set all_defs = [
          ('compute-storage-gpu-01', 'csg-01',    'RU4–12',    'Ceph · VLAN90', False),
          ('compute-storage-01',     'cs-01',     'RU14–17',   'Ceph · VLAN90', False),
          ('storage-01',             'sto-01',    'rack',      'Ceph · VLAN90', False),
          ('monitor-01',             'mon-01',    'ZimaBoard', 'mgmt',          False),
          ('monitor-02',             'mon-02',    'ZimaBoard', 'mgmt',          False),
          ('large1',                 'large1',    'off-rack',  'table',         True),
        ] -%}
        {%- for hname, hlabel, hsub, hvlan, off_rack in all_defs -%}
        {%- set st = topo_h[hname].status if hname in topo_h else 'unknown' -%}
        <div class="topo-v2-host-wrap">
          <!-- dual-homing wires: 10G solid green + 1G dashed amber -->
          <div class="topo-v2-host-wires">
            <div class="topo-v2-wire-10g" data-host="{{ hname }}" title="10G SFP+ → USW-Agg"></div>
            <div class="topo-v2-wire-1g"  data-host="{{ hname }}" title="1G → Pro 24 PoE"></div>
          </div>
          <!-- host box -->
          <div class="topo-v2-node topo-v2-host topo-host topo-v2-status-{{ st }}{{ ' topo-v2-offrack' if off_rack else '' }}"
               data-host="{{ hname }}" style="min-width:80px; max-width:96px;">
            <span class="topo-v2-icon">▣</span>
            <span class="topo-v2-label">{{ hlabel }}</span>
            <span class="topo-v2-sub">{{ hsub }}</span>
            <span class="topo-v2-vlan">{{ hvlan }}</span>
            <span class="topo-badge topo-badge-{{ st }}">{{ st if st != 'unknown' else '–' }}</span>
          </div>
        </div>
        {%- endfor -%}
      </div>

    </div><!-- /topo-bus-section -->

    <!-- ── Legend ── -->
    <div class="topo-legend">
      <div class="topo-legend-item"><span class="topo-legend-line-wan"></span> WAN / uplink</div>
      <div class="topo-legend-item"><span class="topo-legend-line-10g"></span> 10G SFP+ (Ceph / VLAN90)</div>
      <div class="topo-legend-item"><span class="topo-legend-line-1g"></span> 1G DHCP (mgmt)</div>
      <div class="topo-legend-item" style="border:1px dashed var(--border-color); padding:1px 5px; font-size:.56em; color:var(--text-muted);">dashed border = off-rack</div>
    </div>

  </div><!-- /topo-v2 -->
  </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="lt-btn lt-btn-ghost lt-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="lt-btn lt-btn-secondary lt-btn-sm" style="text-decoration:none">
          ↗ Links
        </a>
      </div>
    </div>
    {% else %}
    <div class="lt-empty-state lt-empty-state--sm">
      <div class="lt-empty-state-icon">⌛</div>
      <div class="lt-empty-state-title">No host data yet</div>
      <div class="lt-empty-state-body">The monitor daemon may still be starting up.</div>
    </div>
    {% endfor %}
  </div>
</section>

<!-- ── UniFi devices ────────────────────────────────────────────────── -->
{% if snapshot.unifi %}
<section class="g-section">
  <div class="g-section-header">
    <h2 class="g-section-title">UniFi Devices</h2>
  </div>
  <div class="lt-table-wrap">
    <table class="lt-table" id="unifi-table">
      <caption class="lt-sr-only">UniFi network devices</caption>
      <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="lt-btn lt-btn-ghost lt-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="g-section">
  <div class="g-section-header">
    <h2 class="g-section-title">Active Alerts</h2>
    <span class="g-section-badge" id="alert-count-badge"
          {% if not summary.critical and not summary.warning %}style="display:none"{% endif %}>{{ (summary.critical or 0) + (summary.warning or 0) }}</span>
    <div class="g-section-actions">
      <div class="events-filter-bar">
        <input type="search" class="lt-input lt-input-sm" id="events-search"
               placeholder="Filter by target, type, description…" autocomplete="off">
        <div class="sev-pills">
          <button type="button" class="pill active" data-sev="">All</button>
          <button type="button" class="pill" data-sev="critical">Critical</button>
          <button type="button" class="pill" data-sev="warning">Warning</button>
        </div>
      </div>
    </div>
  </div>
  <div id="events-table-wrap">
    {% if events %}
    {% if total_active is defined and total_active > events|length %}
    <div class="pagination-notice">Showing {{ events|length }} of {{ total_active }} active alerts &mdash; <a href="/api/events?limit=1000">view all via API</a></div>
    {% endif %}
    <div class="lt-table-wrap">
      <table class="lt-table" id="events-table">
        <caption class="lt-sr-only">Active network alerts</caption>
        <thead>
          <tr>
            <th data-tooltip="Alert severity level" data-tooltip-pos="bottom">Sev</th>
            <th>Type</th>
            <th>Target</th>
            <th>Detail</th>
            <th>Description</th>
            <th data-tooltip="When this alert was first raised" data-tooltip-pos="bottom">First Seen</th>
            <th data-tooltip="Most recent check failure" data-tooltip-pos="bottom">Last Seen</th>
            <th data-tooltip="Consecutive check failures since first seen" data-tooltip-pos="bottom">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="lt-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="lt-btn lt-btn-ghost lt-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" aria-label="Suppress alert for {{ e.target_name }}">🔕</button>
            </td>
          </tr>
          {% endif %}
          {% else %}
          <tr><td colspan="10">
            <div class="lt-empty-state lt-empty-state--sm">
              <div class="lt-empty-state-icon">✔</div>
              <div class="lt-empty-state-title">No active alerts</div>
            </div>
          </td></tr>
          {% endfor %}
        </tbody>
      </table>
    </div>
    {% else %}
    <div class="lt-empty-state lt-empty-state--sm">
      <div class="lt-empty-state-icon">✔</div>
      <div class="lt-empty-state-title">No active alerts</div>
    </div>
    {% endif %}
  </div>
</section>

<!-- ── Recently Resolved (last 24h) ───────────────────────────────── -->
{% if recent_resolved %}
<section class="g-section">
  <div class="g-section-header">
    <h2 class="g-section-title">Recently Resolved</h2>
    <span class="g-section-badge g-section-badge-resolved">{{ recent_resolved | length }} in last 24h</span>
  </div>
  <div class="lt-table-wrap">
    <table class="lt-table">
      <caption class="lt-sr-only">Recently resolved alerts</caption>
      <thead>
        <tr>
          <th>Sev</th>
          <th>Type</th>
          <th>Target</th>
          <th>Detail</th>
          <th>Resolved</th>
          <th>Duration</th>
        </tr>
      </thead>
      <tbody>
        {% for e in recent_resolved %}
        <tr class="row-resolved">
          <td><span class="lt-badge badge-resolved">{{ 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="ts-cell">
            <span class="event-age" data-ts="{{ e.resolved_at }}">{{ e.resolved_at }}</span>
          </td>
          <td class="ts-cell event-duration" data-first="{{ e.first_seen }}" data-resolved="{{ e.resolved_at }}">–</td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>
</section>
{% endif %}

<!-- ── Quick-suppress modal ─────────────────────────────────────────── -->
<div id="suppress-modal" class="lt-modal-overlay"
     role="dialog" aria-modal="true" aria-labelledby="suppress-modal-title" aria-hidden="true">
  <div class="lt-modal">
    <div class="lt-modal-header">
      <h3 class="lt-modal-title" id="suppress-modal-title">Suppress Alert</h3>
      <button type="button" class="lt-modal-close" data-modal-close aria-label="Close">✕</button>
    </div>
    <form id="suppress-form">
      <div class="lt-modal-body">
        <div class="lt-form-group" style="margin-bottom:12px">
          <label class="lt-label" for="sup-type">Target Type</label>
          <select class="lt-select" id="sup-type" name="target_type">
            <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="lt-form-group" id="sup-name-group" style="margin-bottom:12px">
          <label class="lt-label" for="sup-name">Target Name</label>
          <input type="text" class="lt-input" id="sup-name" name="target_name" placeholder="e.g. large1">
        </div>
        <div class="lt-form-group" id="sup-detail-group" style="margin-bottom:12px;display:none">
          <label class="lt-label" for="sup-detail">Interface <span class="lt-field-hint">(interface type only)</span></label>
          <input type="text" class="lt-input" id="sup-detail" name="target_detail" placeholder="e.g. enp35s0">
        </div>
        <div class="lt-form-group" style="margin-bottom:12px">
          <label class="lt-label" for="sup-reason">Reason <span class="required">*</span></label>
          <input type="text" class="lt-input" id="sup-reason" name="reason"
                 placeholder="e.g. Planned switch reboot" required>
        </div>
        <div class="lt-form-group" style="margin-bottom:0">
          <label class="lt-label">Duration</label>
          <div class="duration-pills">
            <button type="button" class="pill" data-duration="30">30 min</button>
            <button type="button" class="pill" data-duration="60">1 hr</button>
            <button type="button" class="pill" data-duration="240">4 hr</button>
            <button type="button" class="pill" data-duration="480">8 hr</button>
            <button type="button" class="pill pill-manual active" data-duration="">Manual ∞</button>
          </div>
          <input type="hidden" id="sup-expires" name="expires_minutes" value="">
          <div class="lt-field-hint" id="duration-hint">Persists until manually removed.</div>
        </div>
      </div>
      <div class="lt-modal-footer">
        <button type="button" class="lt-btn lt-btn-secondary" data-modal-close>Cancel</button>
        <button type="submit" class="lt-btn lt-btn-primary">Apply</button>
      </div>
    </form>
  </div>
</div>

{% endblock %}

{% block scripts %}
<script>
  lt.autoRefresh.start(refreshAll, 30000);
  document.getElementById('suppress-form')?.addEventListener('submit', submitSuppress);
  document.getElementById('sup-type')?.addEventListener('change', updateSuppressForm);

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

  updateEventAges();
  setInterval(updateEventAges, 60000);

  // ── Event duration (resolved_at - first_seen) ──────────────────
  function fmtDuration(firstTs, resolvedTs) {
    if (!firstTs || !resolvedTs) return '–';
    const secs = Math.floor((new Date(_toIso(resolvedTs)) - new Date(_toIso(firstTs))) / 1000);
    if (secs < 0) return '–';
    if (secs < 60)   return `${secs}s`;
    if (secs < 3600) return `${Math.floor(secs/60)}m`;
    if (secs < 86400) return `${Math.floor(secs/3600)}h ${Math.floor((secs%3600)/60)}m`;
    return `${Math.floor(secs/86400)}d`;
  }

  document.querySelectorAll('.event-duration[data-first][data-resolved]').forEach(el => {
    el.textContent = fmtDuration(el.dataset.first, el.dataset.resolved);
  });

  // ── Events table filter ────────────────────────────────────────
  let _filterSev = '';

  function applyEventsFilter() {
    const q = (document.getElementById('events-search')?.value || '').toLowerCase();
    const tbody = document.querySelector('#events-table tbody');
    if (!tbody) return;
    tbody.querySelectorAll('tr').forEach(row => {
      if (row.children.length < 3) { row.style.display = ''; return; }
      const sevMatch  = !_filterSev || row.classList.contains(`row-${_filterSev}`);
      const textMatch = !q || row.textContent.toLowerCase().includes(q);
      row.style.display = (sevMatch && textMatch) ? '' : 'none';
    });
  }

  document.getElementById('events-search')?.addEventListener('input', applyEventsFilter);

  document.querySelector('.sev-pills')?.addEventListener('click', e => {
    const pill = e.target.closest('.pill[data-sev]');
    if (!pill) return;
    document.querySelectorAll('.sev-pills .pill').forEach(p => p.classList.remove('active'));
    pill.classList.add('active');
    _filterSev = pill.dataset.sev;
    applyEventsFilter();
  });

  // Re-apply filter after dynamic table updates
  new MutationObserver(applyEventsFilter)
    .observe(document.getElementById('events-table-wrap'), { childList: true, subtree: true });
</script>
{% endblock %}