{# Gemeinsame Einsatz-Felder für Anlegen und Bearbeiten.
   Optional vorbelegt aus `einsatz` (im Bearbeiten-Fall). #}
{% set e = einsatz if einsatz is defined else None %}

<div class="cp-field">
  <label for="datum">Datum</label>
  <input type="date" id="datum" name="datum"
         value="{{ e.datum.strftime('%Y-%m-%d') if e else '' }}" required>
</div>

<div class="cp-field">
  <label for="start_zeit">Startzeit</label>
  <select id="start_zeit" name="start_zeit" required>
    <option value="" disabled {{ 'selected' if not e else '' }}>Bitte wählen</option>
    {% for m in range(0, 1440, 30) %}
      {% set hhmm = '%02d:%02d'|format(m // 60, m % 60) %}
      <option value="{{ hhmm }}"
        {{ 'selected' if e and e.start_zeit.strftime('%H:%M') == hhmm else '' }}>{{ hhmm }}</option>
    {% endfor %}
  </select>
</div>

<div class="cp-field">
  <label for="dauer_minuten">Erwartete Dauer <span class="cp-muted">(optional)</span></label>
  <select id="dauer_minuten" name="dauer_minuten">
    <option value="" {{ 'selected' if not e or not e.dauer_minuten else '' }}>Offen / unklar</option>
    {% for d in range(30, 481, 30) %}
      {% set h = d // 60 %}{% set mm = d % 60 %}
      <option value="{{ d }}" {{ 'selected' if e and e.dauer_minuten == d else '' }}>
        {%- if h and mm %}{{ h }},5 Std{% elif h %}{{ h }} Std{% else %}{{ mm }} Min{% endif -%}
      </option>
    {% endfor %}
  </select>
</div>

<div class="cp-field">
  <label for="art">Art</label>
  <select id="art" name="art" required>
    <option value="" disabled {{ 'selected' if not e else '' }}>Bitte wählen</option>
    {% for a in arten %}
      <option value="{{ a }}" {{ 'selected' if e and e.art == a else '' }}>{{ a }}</option>
    {% endfor %}
  </select>
</div>

<div class="cp-field">
  <label for="ort">Ort <span class="cp-muted">(optional)</span></label>
  <input type="text" id="ort" name="ort" value="{{ e.ort or '' if e else '' }}"
         placeholder="z. B. Altstadt">
</div>