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

{% block content %}

<!-- ── Status bar ──────────────────────────────────────────────────── -->
<div class="status-bar">
  <div class="status-chips" id="status-chips" aria-live="polite" aria-atomic="true">
    {% 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 %}
    {% set followups = (stale_tickets | length) + (stale_alerts or 0) %}
    {% if followups %}
    <a class="chip chip-warning chip-followup" href="{{ '#followup' if stale_tickets else '#events-table-wrap' }}">⏳ {{ followups }} TO FOLLOW UP</a>
    {% 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>

<!-- ── Stats summary cards ──────────────────────────────────────────── -->
<div class="lt-stats-grid">
  <div class="lt-stat-card{% if summary.critical %} lt-stat-card--alert{% endif %}"
       id="stat-critical" role="button" tabindex="0"
       data-stat-filter="critical" aria-label="{{ summary.critical or 0 }} critical alerts"
       aria-controls="events-table-wrap">
    <span class="lt-stat-icon lt-text-red" aria-hidden="true">●</span>
    <div class="lt-stat-info">
      <span class="lt-stat-value lt-text-red" id="stat-critical-val">{{ summary.critical or 0 }}</span>
      <span class="lt-stat-label">Critical</span>
    </div>
  </div>
  <div class="lt-stat-card"
       id="stat-warning" role="button" tabindex="0"
       data-stat-filter="warning" aria-label="{{ summary.warning or 0 }} warning alerts"
       aria-controls="events-table-wrap">
    <span class="lt-stat-icon lt-text-amber" aria-hidden="true">●</span>
    <div class="lt-stat-info">
      <span class="lt-stat-value lt-text-amber" id="stat-warning-val">{{ summary.warning or 0 }}</span>
      <span class="lt-stat-label">Warning</span>
    </div>
  </div>
  <div class="lt-stat-card" id="stat-hosts" aria-label="Monitored hosts">
    <span class="lt-stat-icon lt-text-cyan" aria-hidden="true">⬡</span>
    <div class="lt-stat-info">
      <span class="lt-stat-value lt-text-cyan" id="stat-hosts-val">{{ snapshot.hosts | length }}</span>
      <span class="lt-stat-label">Hosts</span>
    </div>
  </div>
  <div class="lt-stat-card" id="stat-resolved" aria-label="{{ recent_resolved | length }} alerts resolved in last 24 hours">
    <span class="lt-stat-icon lt-text-green" aria-hidden="true">✔</span>
    <div class="lt-stat-info">
      <span class="lt-stat-value lt-text-green" id="stat-resolved-val">{{ recent_resolved | length }}</span>
      <span class="lt-stat-label">Resolved 24h</span>
    </div>
  </div>
</div>

<!-- ── Device search ──────────────────────────────────────────────── -->
<section class="g-section device-search" id="device-search" role="search">
  <label class="g-section-title" for="device-search-input">Find a device</label>
  <div class="lt-search">
    <input type="search" class="lt-input lt-search-input device-search-input" id="device-search-input"
           placeholder="Hostname, IP, MAC, model, interface…   ( / )" autocomplete="off" spellcheck="false"
           role="combobox" aria-expanded="false" aria-controls="device-search-results" aria-autocomplete="list">
  </div>
  <div class="device-search-results" id="device-search-results" role="listbox" hidden></div>
</section>

<!-- ── Active alerts ─────────────────────────────── (above the fold) -->
<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>
  <div class="lt-toolbar">
    <div class="lt-toolbar-left">
      <div class="lt-search">
        <input type="search" class="lt-input lt-search-input" id="events-search"
               placeholder="Filter by target, type, description…" autocomplete="off"
               aria-label="Filter active alerts">
      </div>
      <div class="sev-pills" role="group" aria-label="Filter by severity">
        <button type="button" class="pill active" data-sev="" aria-pressed="true">All</button>
        <button type="button" class="pill" data-sev="critical" aria-pressed="false">Critical</button>
        <button type="button" class="pill" data-sev="warning" aria-pressed="false">Warning</button>
      </div>
    </div>
  </div>
  <div class="lt-frame">
    <span class="lt-frame-bl">&#x255A;</span>
    <span class="lt-frame-br">&#x255D;</span>
    <div class="lt-section-header">Alert Queue</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. Use the search box to filter, or <a href="/api/events?limit=1000" target="_blank" rel="noopener">export all as JSON</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 }}{% if e.is_suppressed %} row-suppressed{% endif %}">
            <td>
              <span class="lt-badge badge-{{ e.severity }}">{{ e.severity }}</span>
              {% if e.is_suppressed %}<span class="lt-badge badge-suppressed" title="Alert suppressed">🔕 sup</span>{% endif %}
              {% if e.stale_days is not none %}<span class="lt-badge badge-stale" title="Active for {{ e.stale_days }} days with no fix yet">⏳ {{ e.stale_days }}d</span>{% endif %}
              {% if e.ticket_closed %}<span class="lt-badge badge-ticket-closed" title="Ticket #{{ e.ticket_id }} was closed in Tinker, but this alert is still active">ticket closed</span>{% endif %}
            </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><!-- /#events-table-wrap -->
  </div><!-- /.lt-frame -->
</section>

<!-- ── Needs follow-up: tickets left open after their alert cleared ── -->
<section class="g-section" id="followup"{% if not stale_tickets %} hidden{% endif %}>
  <div class="g-section-header">
    <h2 class="g-section-title">Needs Follow-up</h2>
    <span class="g-section-badge" id="followup-badge">{{ stale_tickets | length }}</span>
  </div>
  <p class="followup-intro">These tickets are still open in Tinker, but their alert cleared over a day ago. Close them if the problem is fixed.</p>
  <div class="lt-frame">
    <span class="lt-frame-bl">&#x255A;</span>
    <span class="lt-frame-br">&#x255D;</span>
    <div class="lt-section-header">Tickets Left Open</div>
    <div class="lt-table-wrap">
      <table class="lt-table" id="followup-table">
        <caption class="lt-sr-only">Tickets still open after their alert cleared</caption>
        <thead>
          <tr><th>Ticket</th><th>Target</th><th>Alert</th><th>Cleared</th><th>Alerts on ticket</th></tr>
        </thead>
        <tbody>
          {% for t in stale_tickets %}
          <tr>
            <td><a href="{{ config.ticket_api.web_url }}{{ t.ticket_id }}" target="_blank" rel="noopener" class="ticket-link">#{{ t.ticket_id }}</a></td>
            <td><strong>{{ t.target_name }}</strong></td>
            <td>{{ t.event_type | replace('_', ' ') }}{% if t.target_detail %} <span class="lt-text-muted">{{ t.target_detail }}</span>{% endif %}</td>
            <td class="ts-cell" title="{{ t.cleared_at }}"><span class="event-age" data-ts="{{ t.cleared_at }}">{{ t.cleared_at }}</span></td>
            <td>{{ t.events }}</td>
          </tr>
          {% endfor %}
        </tbody>
      </table>
    </div>
  </div>
</section>

<!-- ── WAN / fiber ──────────────────────────────────────────────────── -->
{% include "_modem_panel.html" %}

<!-- ── Hosts ────────────────────────────────────────────────────────── -->
<section class="g-section">
  <div class="g-section-header">
    <h2 class="g-section-title">Hosts</h2>
  </div>
  <div class="host-grid" id="host-grid">
    {%- set has_global_sup = suppressions | selectattr('target_type', 'equalto', 'all') | list | length > 0 -%}
    {% 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>
          <a class="host-name device-link" href="{{ url_for('device_page', name=name) }}">{{ name }}</a>
          {% if suppressed or has_global_sup %}
          <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">{% if host.source == 'ping' %}ping-only / no node_exporter{% else %}no metrics from node_exporter{% endif %}</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=""
                aria-label="Suppress alerts for {{ name }}">
          🔕 Suppress
        </button>
        <a href="{{ url_for('device_page', name=name) }}"
           class="lt-btn lt-btn-secondary lt-btn-sm">
          ↗ Details
        </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-frame">
    <span class="lt-frame-bl">&#x255A;</span>
    <span class="lt-frame-br">&#x255D;</span>
    <div class="lt-section-header">Device Inventory</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><a class="device-link" href="{{ url_for('device_page', name=d.name) }}"><strong>{{ d.name }}</strong></a></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=""
                      aria-label="Suppress alerts for {{ d.name }}">
                🔕 Suppress
              </button>
              {% endif %}
            </td>
          </tr>
          {% endfor %}
        </tbody>
      </table>
    </div>
  </div>
</section>
{% endif %}

<!-- ── 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-timeline">
    {% for e in recent_resolved %}
    {%- set dot_cls = 'lt-timeline-item--green' if e.severity == 'info' else 'lt-timeline-item--dim' -%}
    <div class="lt-timeline-item {{ dot_cls }}">
      <div class="lt-timeline-meta">
        <strong class="lt-timeline-actor">{{ e.target_name }}</strong>
        {% if e.target_detail %}<span>· {{ e.target_detail }}</span>{% endif %}
        <span class="lt-timeline-time event-age" data-ts="{{ e.resolved_at }}">{{ e.resolved_at }}</span>
      </div>
      <div class="lt-timeline-body">
        {{ e.event_type | replace('_', ' ') }}
        &nbsp;·&nbsp;
        <span class="lt-badge badge-resolved">{{ e.severity }}</span>
        &nbsp;·&nbsp; duration
        <span class="event-duration" data-first="{{ e.first_seen }}" data-resolved="{{ e.resolved_at }}">-</span>
      </div>
    </div>
    {% endfor %}
  </div>
</section>
{% endif %}

{% endblock %}

{% block scripts %}
<script>
  // Load once even when auto-refresh is set to Off
  refreshModem();

  // Start auto-refresh using saved settings interval (default 30 s)
  const _savedInterval = window.gandalfSettings?.refreshInterval ?? 30;
  if (_savedInterval > 0) lt.autoRefresh.start(refreshAll, _savedInterval * 1000);

  // When settings change, restart auto-refresh with new interval
  window.onGandalfSettingsChanged = function(s) {
    lt.autoRefresh.stop();
    if (s.refreshInterval > 0) lt.autoRefresh.start(refreshAll, s.refreshInterval * 1000);
  };

  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');
      p.setAttribute('aria-pressed', 'false');
    });
    pill.classList.add('active');
    pill.setAttribute('aria-pressed', 'true');
    _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 });

  initDeviceSearch();

  // Stat card clicks: filter events table by severity
  document.querySelectorAll('.lt-stat-card[data-stat-filter]').forEach(card => {
    card.addEventListener('click', () => {
      const sev = card.dataset.statFilter;
      document.querySelectorAll('.sev-pills .pill').forEach(p => {
        p.classList.remove('active');
        p.setAttribute('aria-pressed', 'false');
      });
      const matchPill = document.querySelector(`.sev-pills .pill[data-sev="${sev}"]`);
      if (matchPill) { matchPill.classList.add('active'); matchPill.setAttribute('aria-pressed', 'true'); }
      _filterSev = sev;
      applyEventsFilter();
      document.getElementById('events-table-wrap')?.scrollIntoView({ behavior: 'smooth', block: 'start' });
    });
    card.addEventListener('keydown', e => { if (e.key === 'Enter' || e.key === ' ') { e.preventDefault(); card.click(); } });
  });
</script>
{% endblock %}