{% extends "base.html" %}
{% from "_macros.html" import crumbs, empty_state, page_header %}
{% block title %}Maintenance — Steward{% endblock %}
{% block breadcrumb %}{{ crumbs([("Hosts", "/hosts/"), ("Maintenance", "")]) }}{% endblock %}
{% block content %}
{# A group's updates and reboots on a weekly cadence, one host at a time
   (#5768). What needs attention first: a run going now, a run that failed;
   then the plans with their recent runs. #}
{% macro run_hosts(rows) -%}
<div style="display:flex;flex-direction:column;gap:0.15rem;font-size:0.82rem;">
  {% for r in rows %}
  <div style="display:flex;gap:0.6rem;align-items:baseline;" {% if r.detail %}title="{{ r.detail }}"{% endif %}>
    <a href="/hosts/{{ r.host_id }}" style="min-width:10rem;">{{ r.name }}</a>
    <span class="{{ 'tone-warn' if r.bad else '' }}" style="{{ '' if r.bad or r.busy else 'color:var(--text-muted);' }}">{{ r.text }}</span>
  </div>
  {% endfor %}
</div>
{%- endmacro %}

{{ page_header("Maintenance") }}
<p style="color:var(--text-muted);font-size:0.84rem;margin:-0.4rem 0 1.25rem;">
  Each plan updates an inventory group's hosts once a week, one host at a time. A host reboots
  only when its update needs it, unless the plan says otherwise. A swarm node is drained before
  a reboot, or before the update when it upgrades Docker, given 5 minutes for its tasks to move,
  and made active again after. Containers running outside the swarm must be running again
  within 10 minutes. The next host starts once the last is back in service. A failure stops the
  run, and the host's <em>Maintenance failed</em> figure can drive an alert rule.
</p>

{% if live %}
{% for l in live %}
<div class="card">
  <h3 style="margin-bottom:0.5rem;">Running: {{ l.plan }} <span style="font-size:0.78rem;color:var(--text-muted);font-weight:normal;">· started {{ l.run.started_at|ago }}{% if l.run.manual %} · run now{% endif %}</span></h3>
  {{ run_hosts(l.rows) }}
</div>
{% endfor %}
{% endif %}

{% for f in failed %}
<div class="card" style="border-color:color-mix(in srgb,var(--yellow) 40%,var(--border));">
  <span class="tone-warn">Failed: {{ f.plan }}</span>
  <span style="font-size:0.82rem;color:var(--text-muted);">· {{ f.run.finished_at|ago }} · {{ f.run.detail or "no detail" }}</span>
</div>
{% endfor %}

{% if plans %}
{% for p in plans %}
<div class="card">
  <div style="display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap;">
    <h3 style="margin-bottom:0.2rem;">{{ p.plan.name }}{% if not p.plan.enabled %} <span style="font-size:0.78rem;color:var(--text-muted);font-weight:normal;">· paused</span>{% endif %}</h3>
    {% if session.user_role == 'admin' %}
    <div style="display:flex;gap:0.4rem;">
      <form method="post" action="/plugins/host_agent/maintenance/plans/{{ p.plan.id }}/run" style="margin:0;"
            data-confirm="Run {{ p.plan.name }} now? Its {{ p.hosts }} host{{ 's' if p.hosts != 1 }} are updated one at a time; the schedule keeps its time.">{{ csrf_field() }}
        <button type="submit" class="btn btn-sm">Run now</button>
      </form>
      <form method="post" action="/plugins/host_agent/maintenance/plans/{{ p.plan.id }}/toggle" style="margin:0;">{{ csrf_field() }}
        <button type="submit" class="btn btn-sm btn-ghost">{{ 'Pause' if p.plan.enabled else 'Resume' }}</button>
      </form>
      <form method="post" action="/plugins/host_agent/maintenance/plans/{{ p.plan.id }}/delete" style="margin:0;"
            data-confirm="Delete {{ p.plan.name }} and its run history? Hosts' own job history stays.">{{ csrf_field() }}
        <button type="submit" class="btn btn-sm btn-danger">Delete</button>
      </form>
    </div>
    {% endif %}
  </div>
  <div style="font-size:0.82rem;color:var(--text-muted);margin-bottom:0.6rem;">
    Group <a href="/hosts/?group={{ p.group|urlencode }}">{{ p.group }}</a> ({{ p.hosts }} host{{ 's' if p.hosts != 1 }})
    · {{ p.when }}
    · reboot {{ {'if_required': 'only when required', 'always': 'always', 'never': 'never'}[p.plan.reboot_policy] }}
    {% if p.next %}· next {{ p.next|when }}{% endif %}
  </div>
  {% for r in p.runs %}
  <details {% if loop.first %}open{% endif %} style="margin-top:0.3rem;">
    <summary style="cursor:pointer;font-size:0.82rem;">
      <span class="{{ 'tone-warn' if r.run.state == 'failed' else '' }}">{{ {'running': 'Running', 'done': 'Done', 'failed': 'Failed', 'stopped': 'Stopped'}[r.run.state] }}</span>
      <span style="color:var(--text-muted);">· {{ r.run.started_at|when }}{% if r.run.manual %} · run now{% endif %}{% if r.run.detail %} · {{ r.run.detail|truncate(100) }}{% endif %}</span>
    </summary>
    <div style="margin:0.3rem 0 0.4rem 1rem;">{{ run_hosts(r.rows) }}</div>
  </details>
  {% else %}
  <p style="font-size:0.82rem;color:var(--text-dim);margin:0;">No runs yet.</p>
  {% endfor %}
</div>
{% endfor %}
{% else %}
<div class="card">{{ empty_state("No maintenance plans yet." ~ (" Add one below." if session.user_role == 'admin' else "")) }}</div>
{% endif %}

{% if session.user_role == 'admin' %}
<div class="card">
  <h3 style="margin-bottom:0.6rem;">Add a plan</h3>
  {% if groups %}
  <form method="post" action="/plugins/host_agent/maintenance/plans"
        style="display:flex;gap:0.75rem;align-items:flex-end;flex-wrap:wrap;">{{ csrf_field() }}
    <div class="form-group" style="margin-bottom:0;">
      <label>Name</label>
      <input type="text" name="name" required maxlength="128" placeholder="Docker hosts, weekly" style="width:13rem;">
    </div>
    <div class="form-group" style="margin-bottom:0;">
      <label>Group</label>
      <select name="group_id" required>
        {% for g in groups %}<option value="{{ g.id }}">{{ g.name }}</option>{% endfor %}
      </select>
    </div>
    <div class="form-group" style="margin-bottom:0;">
      <label>Day</label>
      <select name="weekday">
        {% for d in weekdays %}<option value="{{ loop.index0 }}" {% if loop.index0 == 6 %}selected{% endif %}>{{ d }}</option>{% endfor %}
      </select>
    </div>
    <div class="form-group" style="margin-bottom:0;">
      <label>Time</label>
      <input type="time" name="at_time" value="03:00" required style="width:7rem;">
    </div>
    <div class="form-group" style="margin-bottom:0;">
      <label>Time zone</label>
      <input type="text" name="time_zone" value="{{ default_zone }}" required style="width:11rem;">
    </div>
    <div class="form-group" style="margin-bottom:0;">
      <label>Window (min)</label>
      <input type="number" name="window_minutes" value="240" min="30" max="1440" style="width:6rem;">
    </div>
    <div class="form-group" style="margin-bottom:0;">
      <label>Reboot</label>
      <select name="reboot_policy">
        <option value="if_required" selected>Only when required</option>
        <option value="always">Always</option>
        <option value="never">Never</option>
      </select>
    </div>
    <button type="submit" class="btn">Add plan</button>
  </form>
  <p style="font-size:0.78rem;color:var(--text-dim);margin:0.6rem 0 0;">
    Hosts whose agent has no maintenance helper are skipped and listed; run Update agent on them.
    No host is started once the window has passed.
  </p>
  {% else %}
  <p style="font-size:0.85rem;color:var(--text-dim);margin:0;">
    Plans work on inventory groups. Add one under <a href="/ansible/inventory/">Ansible → Inventory</a>.
  </p>
  {% endif %}
</div>
{% endif %}
{% endblock %}