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

{% block content %}

<div class="page-header">
  <h1 class="page-title">Alert Suppressions</h1>
  <p class="page-sub">Manage maintenance windows and per-target alert suppression rules.</p>
</div>

<!-- ── Create suppression ─────────────────────────────────────────── -->
<section class="section">
  <div class="section-header">
    <h2 class="section-title">Create Suppression</h2>
  </div>
  <div class="form-card">
    <form id="create-suppression-form" onsubmit="createSuppression(event)">
      <div class="form-row">
        <div class="form-group">
          <label for="s-type">Target Type <span class="required">*</span></label>
          <select id="s-type" name="target_type" onchange="onTypeChange()">
            <option value="host">Host (all interfaces)</option>
            <option value="interface">Specific Interface</option>
            <option value="unifi_device">UniFi Device</option>
            <option value="all">Global (suppress everything)</option>
          </select>
        </div>
        <div class="form-group" id="name-group">
          <label for="s-name">Target Name <span class="required">*</span></label>
          <input type="text" id="s-name" name="target_name"
                 placeholder="hostname or device name" autocomplete="off">
        </div>
        <div class="form-group" id="detail-group" style="display:none">
          <label for="s-detail">Interface Name</label>
          <input type="text" id="s-detail" name="target_detail"
                 placeholder="e.g. enp35s0 or bond0" autocomplete="off">
        </div>
      </div>

      <div class="form-row">
        <div class="form-group form-group-wide">
          <label for="s-reason">Reason <span class="required">*</span></label>
          <input type="text" id="s-reason" name="reason"
                 placeholder="e.g. Planned switch maintenance, replacing SFP on large1/enp43s0"
                 required>
        </div>
      </div>

      <div class="form-row form-row-align">
        <div class="form-group">
          <label>Duration</label>
          <div class="duration-pills">
            <button type="button" class="pill" onclick="setDur(30)">30 min</button>
            <button type="button" class="pill" onclick="setDur(60)">1 hr</button>
            <button type="button" class="pill" onclick="setDur(240)">4 hr</button>
            <button type="button" class="pill" onclick="setDur(480)">8 hr</button>
            <button type="button" class="pill pill-manual active" onclick="setDur(null)">Manual ∞</button>
          </div>
          <input type="hidden" id="s-expires" name="expires_minutes" value="">
          <div class="form-hint" id="s-dur-hint">Persists until manually removed.</div>
        </div>
        <div class="form-group form-group-submit">
          <button type="submit" class="btn btn-primary btn-lg">🔕 Apply Suppression</button>
        </div>
      </div>
    </form>
  </div>
</section>

<!-- ── Active suppressions ────────────────────────────────────────── -->
<section class="section">
  <div class="section-header">
    <h2 class="section-title">Active Suppressions</h2>
    <span class="section-badge">{{ active | length }}</span>
  </div>
  {% if active %}
  <div class="table-wrap">
    <table class="data-table" id="active-sup-table">
      <thead>
        <tr>
          <th>Type</th><th>Target</th><th>Detail</th><th>Reason</th>
          <th>By</th><th>Created</th><th>Expires</th><th>Actions</th>
        </tr>
      </thead>
      <tbody>
        {% for s in active %}
        <tr id="sup-row-{{ s.id }}">
          <td><span class="badge badge-info">{{ s.target_type }}</span></td>
          <td>{{ s.target_name or '<em>all</em>' | safe }}</td>
          <td>{{ s.target_detail or '–' }}</td>
          <td>{{ s.reason }}</td>
          <td>{{ s.suppressed_by }}</td>
          <td class="ts-cell">{{ s.created_at }}</td>
          <td class="ts-cell">{% if s.expires_at %}{{ s.expires_at }}{% else %}<em>manual</em>{% endif %}</td>
          <td>
            <button class="btn-sm btn-danger" onclick="removeSuppression({{ s.id }})">Remove</button>
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>
  {% else %}
  <p class="empty-state">No active suppressions.</p>
  {% endif %}
</section>

<!-- ── Suppression history ────────────────────────────────────────── -->
<section class="section">
  <div class="section-header">
    <h2 class="section-title">History</h2>
    <span class="section-badge">{{ history | length }}</span>
  </div>
  {% if history %}
  <div class="table-wrap">
    <table class="data-table data-table-sm">
      <thead>
        <tr>
          <th>Type</th><th>Target</th><th>Detail</th><th>Reason</th>
          <th>By</th><th>Created</th><th>Expires</th><th>Active</th>
        </tr>
      </thead>
      <tbody>
        {% for s in history %}
        <tr class="{% if not s.active %}row-resolved{% endif %}">
          <td>{{ s.target_type }}</td>
          <td>{{ s.target_name or 'all' }}</td>
          <td>{{ s.target_detail or '–' }}</td>
          <td>{{ s.reason }}</td>
          <td>{{ s.suppressed_by }}</td>
          <td class="ts-cell">{{ s.created_at }}</td>
          <td class="ts-cell">{% if s.expires_at %}{{ s.expires_at }}{% else %}<em>manual</em>{% endif %}</td>
          <td>
            {% if s.active %}
            <span class="badge badge-ok">Yes</span>
            {% else %}
            <span class="badge badge-neutral">No</span>
            {% endif %}
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>
  {% else %}
  <p class="empty-state">No suppression history yet.</p>
  {% endif %}
</section>

<!-- ── Available targets reference ───────────────────────────────── -->
<section class="section">
  <div class="section-header">
    <h2 class="section-title">Available Targets</h2>
  </div>
  <div class="targets-grid">
    {% for name, host in snapshot.hosts.items() %}
    <div class="target-card">
      <div class="target-name">{{ name }}</div>
      <div class="target-type">{{ 'Proxmox Host (prometheus)' if host.source == 'prometheus' else 'Ping-only host' }}</div>
      {% if host.interfaces %}
      <div class="target-ifaces">
        {% for iface in host.interfaces.keys() | sort %}
        <code class="iface-chip">{{ iface }}</code>
        {% endfor %}
      </div>
      {% endif %}
    </div>
    {% endfor %}
  </div>
</section>

{% endblock %}

{% block scripts %}
<script>
  function onTypeChange() {
    const t = document.getElementById('s-type').value;
    document.getElementById('name-group').style.display = (t==='all') ? 'none' : '';
    document.getElementById('detail-group').style.display = (t==='interface') ? '' : 'none';
    document.getElementById('s-name').required = (t!=='all');
  }

  function setDur(mins) {
    document.getElementById('s-expires').value = mins || '';
    document.querySelectorAll('.duration-pills .pill').forEach(p => p.classList.remove('active'));
    event.target.classList.add('active');
    const hint = document.getElementById('s-dur-hint');
    if (mins) {
      const h = Math.floor(mins/60), m = mins%60;
      hint.textContent = `Expires in ${h?h+'h ':''} ${m?m+'m':''}`.trim()+'.';
    } else {
      hint.textContent = 'Persists until manually removed.';
    }
  }

  async function createSuppression(e) {
    e.preventDefault();
    const form = e.target;
    const payload = {
      target_type:     form.target_type.value,
      target_name:     form.target_name ? form.target_name.value : '',
      target_detail:   document.getElementById('s-detail').value,
      reason:          form.reason.value,
      expires_minutes: form.expires_minutes.value ? parseInt(form.expires_minutes.value) : null,
    };
    const resp = await fetch('/api/suppressions', {
      method: 'POST',
      headers: {'Content-Type': 'application/json'},
      body: JSON.stringify(payload),
    });
    const data = await resp.json();
    if (data.success) {
      showToast('Suppression applied', 'success');
      setTimeout(() => location.reload(), 800);
    } else {
      showToast(data.error || 'Error', 'error');
    }
  }

  async function removeSuppression(id) {
    if (!confirm('Remove this suppression?')) return;
    const resp = await fetch(`/api/suppressions/${id}`, {method:'DELETE'});
    const data = await resp.json();
    if (data.success) {
      document.getElementById(`sup-row-${id}`)?.remove();
      showToast('Suppression removed', 'success');
    }
  }
</script>
{% endblock %}