{# settings/backups.html — Steward's own backups (#5673): a verdict, the bucket
   they go to (Fabled Archives over S3) and the daily hour, then the recent
   runs, each with its own check and Check and Restore buttons (#5823, #5817),
   and a file to check or restore. #}
{% extends "base.html" %}
{% from "_macros.html" import crumbs %}
{% from "settings/_tabs.html" import settings_tabs %}
{% block title %}Settings — Backups — Steward{% endblock %}
{% block section_tabs %}{{ settings_tabs("backups") }}{% endblock %}
{% block breadcrumb %}{{ crumbs([("Settings", "/settings/"), ("Backups", "")]) }}{% endblock %}
{% block content %}
{% set tone = {"ok": "tone-ok", "warn": "tone-warn", "bad": "tone-crit", "off": "tone-dim"}[verdict.tone] %}
<p class="page-verdict"><span class="{{ tone }}">{{ verdict.text }}
  {%- if verdict.moment %} {{ verdict.moment|ago }}{% endif %}.
  {%- if verdict.failed %} {{ verdict.error }}
    {% if verdict.good %}The newest good backup was sent {{ verdict.good|ago }}.{% else %}No backup has been sent yet.{% endif %}
  {%- endif %}</span></p>

{% if restore_failed %}
<p class="tone-crit" style="margin:-0.5rem 0 1.25rem;">The restore of {{ restore_failed.name }}
  {%- if restore_failed.since %} {{ restore_failed.since|ago }}{% endif %} failed, and nothing changed:
  {{ restore_failed.error }}</p>
{% endif %}

{% if flash %}
<div style="padding:0.75rem 1rem;border-radius:6px;margin-bottom:1.25rem;
            background:{% if flash.ok %}var(--green-dim){% else %}var(--red-dim){% endif %};
            border:1px solid {% if flash.ok %}var(--green){% else %}var(--red){% endif %};
            color:{% if flash.ok %}var(--green){% else %}var(--red){% endif %};
            font-size:0.88rem;">
  {{ flash.message }}
</div>
{% endif %}

<div style="max-width:640px;">
  <form method="post" action="/settings/backups/">{{ csrf_field() }}
  <div class="card" style="margin-bottom:1.25rem;">
    <h2 class="section-title" style="margin-bottom:0.5rem;">Bucket</h2>
    <p class="field-hint" style="margin-bottom:1rem;">
      Each backup is one file, <code>steward-&lt;time&gt;.tar</code>, for getting Steward running again:
      its settings, users, hosts, monitors, alert rules and dashboards, and its secret key. Logs and
      history are left out: the audit log, alert history, metrics and check results. Anyone holding a
      copy can read every password and key Steward keeps, so keep the bucket private.
    </p>

    <div class="form-group">
      <label for="b-endpoint">Endpoint</label>
      <input type="url" id="b-endpoint" name="backup.s3_endpoint" value="{{ settings['backup.s3_endpoint'] }}"
             placeholder="http://archives:8081">
      <p class="field-hint">The S3 address, without the bucket. Requests are path-style: endpoint/bucket/file.</p>
    </div>
    <div style="display:grid;grid-template-columns:2fr 1fr;gap:1rem;">
      <div class="form-group">
        <label for="b-bucket">Bucket</label>
        <input type="text" id="b-bucket" name="backup.s3_bucket" value="{{ settings['backup.s3_bucket'] }}"
               placeholder="steward">
      </div>
      <div class="form-group">
        <label for="b-region">Region</label>
        <input type="text" id="b-region" name="backup.s3_region" value="{{ settings['backup.s3_region'] }}">
      </div>
    </div>
    <div style="display:grid;grid-template-columns:1fr 1fr;gap:1rem;">
      <div class="form-group">
        <label for="b-access">Access key</label>
        <input type="text" id="b-access" name="backup.s3_access_key" autocomplete="off"
               value="{{ settings['backup.s3_access_key'] }}">
      </div>
      <div class="form-group">
        <label for="b-secret">Secret key</label>
        <input type="password" id="b-secret" name="backup.s3_secret_key" autocomplete="new-password"
               placeholder="{% if has_secret %}kept; type to change{% endif %}">
        {% if has_secret %}
        <label style="display:flex;align-items:center;gap:0.4rem;font-weight:normal;margin-top:0.35rem;">
          <input type="checkbox" name="backup.clear_secret"> Remove the stored secret key
        </label>
        {% endif %}
      </div>
    </div>
    <p class="field-hint">An append-only key is enough: Steward only uploads and never deletes. How long
      backups are kept is the bucket's own setting.</p>
    <div class="form-group" style="display:flex;align-items:center;gap:0.75rem;">
      <input type="checkbox" name="backup.s3_verify_tls" id="b-tls"
             {% if settings['backup.s3_verify_tls'] %}checked{% endif %}>
      <label for="b-tls" style="margin:0;">Check the endpoint's TLS certificate</label>
    </div>

    <h2 class="section-title" style="margin:1.5rem 0 0.75rem;">Schedule</h2>
    <div class="form-group" style="display:flex;align-items:center;gap:0.75rem;">
      <input type="checkbox" name="backup.enabled" id="b-enabled"
             {% if settings['backup.enabled'] %}checked{% endif %}>
      <label for="b-enabled" style="margin:0;">Back up every day</label>
    </div>
    <div class="form-group" style="max-width:220px;">
      <label for="b-hour">At hour ({{ tz_label() }})</label>
      <select id="b-hour" name="backup.schedule_hour">
        {% for h in range(24) %}
        <option value="{{ h }}" {% if shown_hour == h %}selected{% endif %}>{{ "%02d:00"|format(h) }}</option>
        {% endfor %}
      </select>
    </div>
    <p class="field-hint">A day missed while Steward was down is made up when it is back; a failed backup is
      tried again an hour later. Watch it with an <a href="/alerts/rules/new">alert rule</a> on
      "Steward itself", resource <code>backup</code>, metric "Newest backup's age".</p>

    <div style="margin-top:1rem;"><button type="submit" class="btn">Save</button></div>
  </div>
  </form>

  <div class="card" style="margin-bottom:1.25rem;display:flex;gap:0.75rem;flex-wrap:wrap;align-items:center;">
    <form method="post" action="/settings/backups/test/">{{ csrf_field() }}
      <button type="submit" class="btn btn-ghost">Test the bucket</button>
    </form>
    <form method="post" action="/settings/backups/now/">{{ csrf_field() }}
      <button type="submit" class="btn btn-ghost">Back up now</button>
    </form>
    <p class="field-hint" style="margin:0;">Both use the saved settings.</p>
  </div>
</div>

<h2 class="section-title" style="margin:1.5rem 0 1rem;">Recent backups</h2>
{% if history %}
<div class="card-flush">
  <table class="table">
    <thead><tr><th>When</th><th>Outcome</th><th>File</th><th>Size</th><th>Took</th><th>Started by</th><th></th></tr></thead>
    <tbody>
      {% for r in history %}
      <tr>
        <td class="nowrap">{{ r.at|when if r.at else "—" }}</td>
        <td>{% if r.ok %}<span class="tone-ok">Sent</span>
          {%- if r.check %}<div class="cell-sub {{ 'tone-crit' if not r.check.ok else ('tone-warn' if r.check.changes else '') }}">
            {%- if r.check.ok and not r.check.changes %}Checked: reads back whole{% else %}{{ r.check.summary }}{% endif %}</div>{% endif %}
          {%- else %}<span class="tone-crit">Failed</span>
          <div class="cell-sub">{{ r.error }}</div>{% endif %}</td>
        <td class="cell-name"><span title="{{ r.name }}">{{ r.name or "—" }}</span></td>
        <td class="nowrap">{{ r.size|bytes if r.ok else "—" }}</td>
        <td class="nowrap">{{ r.secs|duration }}</td>
        <td>{{ "the schedule" if r.by == "schedule" else r.by }}</td>
        <td>{% if r.ok and r.name %}<div style="display:flex;gap:0.35rem;">
          <form method="post" action="/settings/backups/check/">{{ csrf_field() }}
            <input type="hidden" name="name" value="{{ r.name }}">
            <button type="submit" class="btn btn-ghost btn-sm" title="Compare {{ r.name }} with what is in place; nothing changes">Check</button>
          </form>
          <form method="post" action="/settings/backups/restore/">{{ csrf_field() }}
            <input type="hidden" name="name" value="{{ r.name }}">
            <button type="submit" class="btn btn-ghost btn-sm" title="See what restoring {{ r.name }} would change, then confirm">Restore</button>
          </form></div>{% endif %}</td>
      </tr>
      {% endfor %}
    </tbody>
  </table>
</div>
{% else %}
<p class="tone-dim">None yet.</p>
{% endif %}
<p class="field-hint" style="margin-top:0.75rem;">Check compares a backup with what is in place: what
  a restore would bring back, change or remove, area by area. It changes nothing. Restore shows the same
  comparison and asks you to confirm before anything changes.</p>

<div class="card" style="max-width:640px;margin-top:1.25rem;">
  <h2 class="section-title" style="margin-bottom:0.5rem;">Check or restore a file</h2>
  <form method="post" action="/settings/backups/check/file/" enctype="multipart/form-data"
        style="display:flex;gap:0.75rem;flex-wrap:wrap;align-items:center;">{{ csrf_field() }}
    <input type="file" name="file" accept=".tar" required>
    <button type="submit" class="btn btn-ghost">Check</button>
    <button type="submit" class="btn btn-ghost" formaction="/settings/backups/restore/file/">Restore</button>
  </form>
  <p class="field-hint" style="margin-top:0.5rem;">A <code>steward-&lt;time&gt;.tar</code> downloaded from
    the bucket, or made with <code>steward backup</code>.</p>
</div>
{% endblock %}