{% extends "base.html" %}
{% block title %}Shopfloor-Chat{% endblock %}
{% block heading %}💬 Shopfloor-Chat{% endblock %}
{% block breadcrumb %}<p class="text-xs text-neutral-500">Werkstatt / Shopfloor-Chat</p>{% endblock %}

{% block content %}
<style>
  .sfchat-grid { display:grid; grid-template-columns:280px 1fr; gap:16px; min-height:70vh; }
  .sfchat-threads { background:rgba(15,22,48,0.40); border:1px solid rgba(255,255,255,0.08); border-radius:12px; padding:8px; overflow-y:auto; max-height:75vh; }
  .sfchat-thread { padding:10px 12px; border-radius:8px; cursor:pointer; display:block; text-decoration:none; color:#fff; margin-bottom:4px; }
  .sfchat-thread:hover { background:rgba(255,255,255,0.06); }
  .sfchat-thread.is-active { background:rgba(232,93,47,0.20); border:1px solid rgba(232,93,47,0.40); }
  .sfchat-thread .name { font-weight:600; font-size:13px; }
  .sfchat-thread .preview { font-size:11px; color:rgba(255,255,255,0.55); margin-top:2px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .sfchat-thread .meta { font-size:10px; color:rgba(255,255,255,0.40); margin-top:2px; display:flex; justify-content:space-between; }
  .sfchat-thread .badge { background:#ef4444; color:#fff; font-size:10px; font-weight:700; padding:1px 6px; border-radius:9px; }
  .sfchat-pane { background:rgba(15,22,48,0.40); border:1px solid rgba(255,255,255,0.08); border-radius:12px; display:flex; flex-direction:column; max-height:75vh; }
  .sfchat-header { padding:14px 18px; border-bottom:1px solid rgba(255,255,255,0.08); font-weight:600; font-size:14px; }
  .sfchat-msgs { flex:1; overflow-y:auto; padding:14px; }
  .sfchat-input-row { padding:10px 12px; border-top:1px solid rgba(255,255,255,0.08); display:flex; gap:8px; }
  .sfchat-input-row textarea { flex:1; padding:10px 12px; background:rgba(255,255,255,0.06); color:#fff; border:1px solid rgba(255,255,255,0.20); border-radius:8px; font-size:14px; resize:vertical; }
  .sfchat-input-row button { padding:0 22px; background:linear-gradient(135deg,#fcd34d,#f59e0b); color:#0f1620; font-weight:700; border:none; border-radius:8px; font-size:14px; cursor:pointer; }
  .sfchat-bubble { max-width:70%; padding:8px 12px; border-radius:12px; margin-bottom:8px; }
  .sfchat-bubble.from-op { background:rgba(255,255,255,0.08); }
  .sfchat-bubble.from-office { background:linear-gradient(135deg,#356692,#1f3d5d); margin-left:auto; }
  .sfchat-bubble .author { font-size:10px; color:rgba(255,255,255,0.55); margin-bottom:2px; }
  .sfchat-empty { padding:60px 20px; text-align:center; color:rgba(255,255,255,0.40); }
</style>

<div class="sfchat-grid">

  <div class="sfchat-threads">
    {% if threads %}
      {% for t in threads %}
      <a href="/shopfloor-chat?with_user={{ t.user_id }}"
         class="sfchat-thread {% if selected_user and selected_user.id == t.user_id %}is-active{% endif %}">
        <div class="name">{{ t.first_name }} {{ t.last_name }}</div>
        <div class="preview">{{ t.last_body }}</div>
        <div class="meta">
          <span>{{ (t.last_at or '')[:16] }}</span>
          {% if t.unread_from_op %}<span class="badge">{{ t.unread_from_op }}</span>{% endif %}
        </div>
      </a>
      {% endfor %}
    {% else %}
      <div style="padding:30px;text-align:center;color:rgba(255,255,255,0.40);font-size:13px;">
        Noch keine Nachrichten von der Werkstatt.
      </div>
    {% endif %}
  </div>

  <div class="sfchat-pane">
    {% if selected_user %}
      <div class="sfchat-header">{{ selected_user.first_name }} {{ selected_user.last_name }}</div>
      <div class="sfchat-msgs" id="msgs">
        {% for m in selected_msgs %}
        <div class="sfchat-bubble {% if m.from_shopfloor %}from-op{% else %}from-office{% endif %}">
          <div class="author">
            {% if m.from_shopfloor %}{{ m.author_first }} {{ m.author_last }}{% else %}💼 Du{% endif %}
            · {{ (m.created_at or '')[11:16] }}
          </div>
          <div style="font-size:13px;white-space:pre-wrap;">{{ m.body }}</div>
        </div>
        {% else %}
        <div class="sfchat-empty">Noch keine Nachrichten in diesem Verlauf.</div>
        {% endfor %}
      </div>
      <div class="sfchat-input-row">
        <textarea id="reply-input" rows="2" placeholder="Antwort an {{ selected_user.first_name }}…"
                  onkeydown="if(event.key==='Enter'&&!event.shiftKey){event.preventDefault();sendReply();}"></textarea>
        <button onclick="sendReply()">Senden</button>
      </div>
      <script>
        function sendReply() {
          const inp = document.getElementById('reply-input');
          const body = (inp.value || '').trim();
          if (!body) return;
          fetch('/api/office/chat/{{ selected_user.id }}/reply', {
            method:'POST', headers:{'Content-Type':'application/json'},
            body: JSON.stringify({body: body})
          }).then(r=>r.json()).then(d => {
            if (d.ok) { location.reload(); }
            else alert(d.error || 'Senden fehlgeschlagen');
          });
        }
        // Auto-Scroll zum Ende
        const msgs = document.getElementById('msgs');
        if (msgs) msgs.scrollTop = msgs.scrollHeight;
      </script>
    {% else %}
      <div class="sfchat-empty">
        ← Wähle einen Bediener links um den Chat zu öffnen
      </div>
    {% endif %}
  </div>

</div>
{% endblock %}