{% extends "base.html" %}
{% from "_macros.html" import crumbs %}
{% block title %}Maintenance Windows — Steward{% endblock %}
{% block breadcrumb %}{{ crumbs([("Alerts", "/alerts/"), ("Maintenance", "")]) }}{% endblock %}
{% block content %}
<div style="display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;">
  <h1 class="page-title" style="margin-bottom:0;">Maintenance Windows</h1>
  <div style="display:flex;gap:0.5rem;">
    <a class="btn" href="/alerts/maintenance/new">New Window</a>
  </div>
</div>

<p style="color:var(--text-muted);font-size:0.88rem;margin-bottom:1.5rem;">
  During an active window, alert rule evaluation is suppressed for the matching scope.
  Metrics are still recorded — only notifications are silenced.
</p>

{% if windows %}
<div class="card-flush">
  <table class="table">
    <thead>
      <tr>
        <th>Name</th>
        <th>Scope</th>
        <th>Start</th>
        <th>End</th>
        <th style="text-align:center;">Status</th>
        <th></th>
      </tr>
    </thead>
    <tbody>
      {% for w in windows %}
      {% set is_active = w.start_at <= now and w.end_at >= now %}
      {% set is_upcoming = w.start_at > now %}
      <tr>
        <td style="font-weight:500;">{{ w.name }}</td>
        <td style="font-size:0.85rem;color:var(--text-muted);">
          {% if w.scope_source is none %}
            <span title="All alert rules">All alerts</span>
          {% elif w.scope_resource is none %}
            <span>{{ w.scope_source }}/*</span>
          {% else %}
            <span>{{ w.scope_source }}/{{ w.scope_resource }}</span>
          {% endif %}
        </td>
        <td style="font-size:0.85rem;font-family:ui-monospace,monospace;">
          {{ w.start_at.strftime("%Y-%m-%d %H:%M") }} UTC
        </td>
        <td style="font-size:0.85rem;font-family:ui-monospace,monospace;">
          {{ w.end_at.strftime("%Y-%m-%d %H:%M") }} UTC
        </td>
        <td style="text-align:center;">
          {% if is_active %}
          <span class="badge badge-yellow">active</span>
          {% elif is_upcoming %}
          <span class="badge badge-dim">upcoming</span>
          {% else %}
          <span style="color:var(--text-dim);font-size:0.8rem;">expired</span>
          {% endif %}
        </td>
        <td class="td-actions">
          <form method="post" action="/alerts/maintenance/{{ w.id }}/delete" style="display:inline;">
            <button type="submit" class="btn btn-sm btn-danger"
                    onclick="return confirm('Delete window &quot;{{ w.name }}&quot;?')">Delete</button>
          </form>
        </td>
      </tr>
      {% endfor %}
    </tbody>
  </table>
</div>
{% else %}
<div class="card" style="text-align:center;padding:3rem;">
  <p style="color:var(--text-muted);">No maintenance windows configured.</p>
</div>
{% endif %}
{% endblock %}