{% extends "base.html" %}
{% from "_macros.html" import money %}

{% block title %}Mahnwesen{% endblock %}
{% block heading %}Mahnwesen{% endblock %}
{% block topbar_actions %}
  <span class="text-sm text-neutral-500 nums">{{ rows|length }} überfällig</span>
  <button type="button" class="btn btn-sm btn-secondary" data-workflow="auto-dunning"
          title="Mahnstufen für alle überfälligen Rechnungen automatisch hochsetzen (≥7T → 1, ≥14T → 2, ≥30T → 3)">
    Auto-Mahnstufen setzen
  </button>
{% endblock %}

{% block content %}
<div class="card">
  <div class="card-header"><div>
    <h2>Überfällige Rechnungen</h2>
    <p class="sub">Stufe wird aus den Mahnstufen-Tagen in Settings vorgeschlagen</p>
  </div></div>
  {% if rows %}
  <table class="data-table">
    <thead>
      <tr>
        <th>Rechnung</th>
        <th>Kunde</th>
        <th class="num">Fällig</th>
        <th class="num">Tage über</th>
        <th class="num">Offen</th>
        <th>Bisherige Stufe</th>
        <th>Vorschlag</th>
        <th>Aktion</th>
      </tr>
    </thead>
    <tbody>
      {% for r in rows %}
      <tr>
        <td class="nums font-semibold"><a href="/invoices/{{ r.id }}" class="text-blue-700 hover:underline">{{ r.invoice_no }}</a></td>
        <td>{{ r.customer }}</td>
        <td class="num text-xs nums">{{ r.due_date }}</td>
        <td class="num nums font-semibold text-red-600">{{ "%.0f"|format(r.days_late) }}</td>
        <td class="num nums font-semibold">{{ money(r.open_amount) }} {{ r.currency }}</td>
        <td class="text-xs">
          {% if r.dunning_level %}
            <span class="badge badge-{% if r.dunning_level == 3 %}red{% elif r.dunning_level == 2 %}amber{% else %}blue{% endif %}">Stufe {{ r.dunning_level }}</span>
            {% if r.last_dunning_at %}<span class="text-[10px] text-neutral-500 nums block">{{ r.last_dunning_at[:10] }}</span>{% endif %}
          {% else %}—{% endif %}
        </td>
        <td>
          {% if r.suggested_level %}
            <span class="badge badge-{% if r.suggested_level == 3 %}red{% elif r.suggested_level == 2 %}amber{% else %}blue{% endif %}">→ Stufe {{ r.suggested_level }}</span>
          {% else %}<span class="text-xs text-neutral-400">noch zu früh</span>{% endif %}
        </td>
        <td class="whitespace-nowrap">
          {% for lvl in [1, 2, 3] %}
            {% if r.suggested_level == lvl or r.dunning_level >= lvl %}
            <a class="btn btn-sm {% if lvl == r.suggested_level %}btn-primary{% else %}btn-secondary{% endif %}" href="/invoices/{{ r.id }}/dunning/{{ lvl }}" title="Stufe {{ lvl }} senden">M{{ lvl }}</a>
            {% endif %}
          {% endfor %}
          <a class="btn btn-sm btn-secondary" href="/invoices/{{ r.id }}/dunning/{{ r.suggested_level or 1 }}/pdf" target="_blank" title="PDF nur (zum Briefpost senden)">📄</a>
        </td>
      </tr>
      {% endfor %}
    </tbody>
  </table>
  {% else %}
  <div class="p-12 text-center text-sm text-emerald-700">
    ✅ Keine überfälligen Rechnungen — alle Forderungen sind bezahlt oder noch in der Frist.
  </div>
  {% endif %}
</div>
{% endblock %}