{% extends "pobsync_backend/base.html" %}

{% block title %}Retention plan | {{ host.host }}{% endblock %}

{% block content %}
  <header class="page-header">
    <div class="page-title">
      <div class="page-kicker">Retention</div>
      <h1>{{ host.host }}</h1>
      <div class="page-subtitle">Preview which snapshots stay, which would be deleted, and whether incomplete cleanup is needed.</div>
    </div>
    <section class="actions" aria-label="Retention filters">
      <a class="button-link" href="{% url 'host_detail' host.host %}">Back to host</a>
      <a class="button-link" href="{% url 'host_retention_plan' host.host %}?kind=scheduled">Scheduled</a>
      <a class="button-link" href="{% url 'host_retention_plan' host.host %}?kind=manual">Manual</a>
      <a class="button-link" href="{% url 'host_retention_plan' host.host %}?kind=all">All</a>
      <a class="button-link" href="{% url 'host_retention_plan' host.host %}?kind={{ kind }}&protect_bases=1">Protect bases</a>
    </section>
  </header>

  <section class="grid" aria-label="Retention plan summary">
    <div class="metric"><div class="label">Kind</div><div class="value">{{ plan.kind }}</div></div>
    <div class="metric"><div class="label">Keep</div><div class="value">{{ plan.keep|length }}</div></div>
    <div class="metric"><div class="label">Would Delete</div><div class="value">{{ plan.delete|length }}</div></div>
    <div class="metric"><div class="label">Scheduled Limit</div><div class="value">{{ scheduled_prune_limit|default:"none" }}</div></div>
    <div class="metric"><div class="label">Incomplete</div><div class="value">{{ plan.incomplete|length }}</div></div>
  </section>

  {% if scheduled_prune_exceeded %}
    <section class="panel highlight warning">
      <h2>Scheduled Prune Limit</h2>
      <p>
        This plan would delete {{ plan.delete|length }} snapshot(s), which exceeds the scheduled prune limit of
        {{ scheduled_prune_limit }}. Scheduled pruning will refuse to apply this plan until the limit or retention
        selection is adjusted.
      </p>
    </section>
  {% endif %}

  {% if plan.incomplete %}
    <section class="panel highlight warning">
      <h2>Incomplete Snapshots</h2>
      <p>
        {{ plan.incomplete|length }} incomplete snapshot(s) exist for this host. Retention does not delete incomplete
        snapshots automatically because they can indicate an interrupted backup that should be inspected first.
      </p>
      <p>
        After inspection, use the dedicated cleanup form below to delete only incomplete snapshot directories and their
        tracking records. Successful scheduled and manual snapshots are not touched by this cleanup.
      </p>
    </section>
  {% endif %}

  <section class="panel">
    <h2>Policy</h2>
    <div class="stack">
      <div><strong>Daily:</strong> {{ plan.retention.daily }}</div>
      <div><strong>Weekly:</strong> {{ plan.retention.weekly }}</div>
      <div><strong>Monthly:</strong> {{ plan.retention.monthly }}</div>
      <div><strong>Yearly:</strong> {{ plan.retention.yearly }}</div>
      <div><strong>Protect bases:</strong> {{ protect_bases|yesno:"yes,no" }}</div>
      <div class="muted">
        {% if protect_bases %}
          Base snapshots referenced by kept snapshots are also kept and marked with a base-of reason.
        {% else %}
          Base snapshots are only kept when they match the regular retention policy.
        {% endif %}
      </div>
      {% if schedule %}
        <div><strong>Schedule pruning:</strong> {{ schedule.prune|yesno:"enabled,disabled" }}</div>
        <div><strong>Schedule max delete:</strong> {{ schedule.prune_max_delete }}</div>
      {% endif %}
    </div>
  </section>

  <section class="panel">
    <h2>Would Delete</h2>
    <table>
      <thead>
        <tr>
          <th>Kind</th>
          <th>Dirname</th>
          <th>Started</th>
          <th>Status</th>
          <th>Reason</th>
          <th>Path</th>
        </tr>
      </thead>
      <tbody>
        {% for snapshot in plan.delete %}
          <tr>
            <td>{{ snapshot.kind }}</td>
            <td>{{ snapshot.dirname }}</td>
            <td>{{ snapshot.dt }}</td>
            <td>{{ snapshot.status|default:"" }}</td>
            <td>{{ snapshot.reason }}</td>
            <td class="muted">{{ snapshot.path }}</td>
          </tr>
        {% empty %}
          <tr><td colspan="6" class="muted">Retention would not delete snapshots for this selection.</td></tr>
        {% endfor %}
      </tbody>
    </table>
  </section>

  {% if plan.delete %}
    <section class="panel highlight warning">
      <h2>Apply Retention</h2>
      <p class="muted">
        This permanently deletes the snapshot directories listed in Would Delete. Confirm the host and delete count
        before applying the plan.
      </p>
      <form method="post" action="{% url 'apply_host_retention' host.host %}" class="form-grid">
        {% csrf_token %}
        {{ apply_form.non_field_errors }}
        {{ apply_form.kind.as_hidden }}

        <div class="field">
          {{ apply_form.max_delete.errors }}
          <label for="{{ apply_form.max_delete.id_for_label }}">Max delete</label>
          {{ apply_form.max_delete }}
          <div class="helptext">Must be at least {{ plan.delete|length }} for the snapshots shown in Would Delete.</div>
        </div>

        <div class="field">
          {{ apply_form.protect_bases.errors }}
          <label for="{{ apply_form.protect_bases.id_for_label }}">Protect bases</label>
          {{ apply_form.protect_bases }}
        </div>

        <div class="field">
          {{ apply_form.confirm_host.errors }}
          <label for="{{ apply_form.confirm_host.id_for_label }}">Confirm host</label>
          {{ apply_form.confirm_host }}
          <div class="helptext">{{ apply_form.confirm_host.help_text }}</div>
        </div>

        <div class="field">
          {{ apply_form.confirm_delete_count.errors }}
          <label for="{{ apply_form.confirm_delete_count.id_for_label }}">Confirm delete count</label>
          {{ apply_form.confirm_delete_count }}
          <div class="helptext">{{ apply_form.confirm_delete_count.help_text }}</div>
        </div>

        <div class="form-actions">
          <button type="submit" class="danger">Apply retention</button>
          <a class="button-link secondary" href="{% url 'host_retention_plan' host.host %}?kind={{ kind }}">Cancel</a>
        </div>
      </form>
    </section>
  {% endif %}

  <section class="panel">
    <h2>Keep Reasons</h2>
    <table>
      <thead>
        <tr>
          <th>Kind</th>
          <th>Dirname</th>
          <th>Started</th>
          <th>Status</th>
          <th>Reasons</th>
        </tr>
      </thead>
      <tbody>
        {% for snapshot in plan.keep_items %}
          <tr>
            <td>{{ snapshot.kind }}</td>
            <td>{{ snapshot.dirname }}</td>
            <td>{{ snapshot.dt }}</td>
            <td>{{ snapshot.status|default:"" }}</td>
            <td>{{ snapshot.reason }}</td>
          </tr>
        {% empty %}
          <tr><td colspan="5" class="muted">No snapshots matched this retention selection.</td></tr>
        {% endfor %}
      </tbody>
    </table>
  </section>

  {% if plan.incomplete %}
    <section class="panel">
      <h2>Incomplete Snapshots</h2>
      <table>
        <thead>
          <tr>
            <th>Dirname</th>
            <th>Started</th>
            <th>Status</th>
            <th>Reason</th>
            <th>Path</th>
          </tr>
        </thead>
        <tbody>
          {% for snapshot in plan.incomplete %}
            <tr>
              <td>{{ snapshot.dirname }}</td>
              <td>{{ snapshot.dt }}</td>
              <td>{{ snapshot.status|default:"" }}</td>
              <td>{{ snapshot.reason }}</td>
              <td class="muted">{{ snapshot.path }}</td>
            </tr>
          {% endfor %}
        </tbody>
      </table>

      <h3>Cleanup Incomplete Snapshots</h3>
      <p class="muted">
        This deletes only incomplete snapshot directories and their tracking records. Successful manual and scheduled
        snapshots are not touched.
      </p>
      <form method="post" action="{% url 'cleanup_host_incomplete_snapshots' host.host %}" class="form-grid">
        {% csrf_token %}
        {{ incomplete_cleanup_form.non_field_errors }}

        <div class="field">
          {{ incomplete_cleanup_form.max_delete.errors }}
          <label for="{{ incomplete_cleanup_form.max_delete.id_for_label }}">Max delete</label>
          {{ incomplete_cleanup_form.max_delete }}
          <div class="helptext">{{ incomplete_cleanup_form.max_delete.help_text }}</div>
        </div>

        <div class="field">
          {{ incomplete_cleanup_form.confirm_host.errors }}
          <label for="{{ incomplete_cleanup_form.confirm_host.id_for_label }}">Confirm host</label>
          {{ incomplete_cleanup_form.confirm_host }}
          <div class="helptext">{{ incomplete_cleanup_form.confirm_host.help_text }}</div>
        </div>

        <div class="field">
          {{ incomplete_cleanup_form.confirm_delete_count.errors }}
          <label for="{{ incomplete_cleanup_form.confirm_delete_count.id_for_label }}">Confirm incomplete count</label>
          {{ incomplete_cleanup_form.confirm_delete_count }}
          <div class="helptext">{{ incomplete_cleanup_form.confirm_delete_count.help_text }}</div>
        </div>

        <div class="form-actions">
          <button type="submit" class="danger">Delete incomplete snapshots</button>
          <a class="button-link secondary" href="{% url 'host_retention_plan' host.host %}?kind={{ kind }}">Cancel</a>
        </div>
      </form>
    </section>
  {% endif %}
{% endblock %}