{% extends "base.html" %}
{% from "_macros.html" import crumbs, page_header, status_badge, empty_state %}
{% block title %}Maintenance Windows — Steward{% endblock %}
{% block breadcrumb %}{{ crumbs([("Alerts", "/alerts/"), ("Maintenance", "")]) }}{% endblock %}
{% block content %}
{% set can_edit = session.user_role in ('operator', 'admin') %}
{% call page_header("Maintenance windows", "During an active window, alerts in its scope still change state and show on the Alerts page, but send no notifications and run no Ansible actions. Each event a window mutes says so in the alert's history. An alert that is still firing when the window ends notifies then, and runs its action.") %}
    {% if can_edit %}<a class="btn" href="/alerts/maintenance/new">New window</a>{% endif %}
{% endcall %}

{% macro window_table(rows, kind) %}
<div class="card-flush"{% if kind != 'expired' %} style="margin-bottom:1.5rem;"{% endif %}>
  <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 rows %}
      <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>Every alert on {{ source_label(w.scope_source) }}</span>
          {% else %}
            <span>{{ w.scope_resource }}</span> <span class="field-hint">{{ source_label(w.scope_source) }}</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;font-size:0.8rem;">
          {% if kind == 'active' %}{{ status_badge('warn', 'Active') }}<div class="field-hint">ends {{ w.end_at|ago }}</div>
          {% elif kind == 'upcoming' %}{{ status_badge('pending', 'Upcoming') }}<div class="field-hint">starts {{ w.start_at|ago }}</div>
          {% else %}{{ status_badge('inactive', 'Expired') }}<div class="field-hint">ended {{ w.end_at|ago }}</div>{% endif %}
        </td>
        <td class="td-actions">
          {% if session.user_role in ('operator', 'admin') %}
          <form method="post" action="/alerts/maintenance/{{ w.id }}/delete" style="display:inline;">{{ csrf_field() }}
            <button type="submit" class="btn btn-sm btn-danger"
                    data-confirm="Delete window &quot;{{ w.name }}&quot;?">Delete</button>
          </form>
          {% endif %}
        </td>
      </tr>
      {% endfor %}
    </tbody>
  </table>
</div>
{% endmacro %}

{% if windows %}
{% if active %}
<h2 class="section-title" style="margin-bottom:0.75rem;">Active now</h2>
{{ window_table(active, 'active') }}
{% endif %}
{% if upcoming %}
<h2 class="section-title" style="margin-bottom:0.75rem;">Upcoming</h2>
{{ window_table(upcoming, 'upcoming') }}
{% endif %}
{% if not active and not upcoming %}
<div class="card" style="margin-bottom:1.5rem;">{{ empty_state("No window is active or scheduled. Every alert notifies as usual.") }}</div>
{% endif %}
{% if expired %}
<details>
  <summary class="section-title" style="cursor:pointer;margin-bottom:0.75rem;">Expired ({{ expired|length }})</summary>
  {{ window_table(expired, 'expired') }}
</details>
{% endif %}
{% else %}
<div class="card">{% if can_edit %}{{ empty_state("No maintenance windows yet.", "New window", "/alerts/maintenance/new") }}{% else %}{{ empty_state("No maintenance windows yet.") }}{% endif %}</div>
{% endif %}
{% endblock %}