{% extends "base.html" %}
{% block title %}Orchestrator{% endblock %}

{% block content %}
<div class="page-header">
  <h1>Master-Orchestrator</h1>
  <p>Delegiert automatisch an den passenden Agenten</p>
</div>

{% if knowledge_loaded %}
<div class="alert alert-success mb-4">
  <strong>Wissensdatenbank geladen</strong> · Agenten-Prompts initialisiert
</div>
{% endif %}

<div class="row g-4">
  <!-- Sidebar -->
  <div class="col-lg-4">
    <div class="card">
      <div class="card-header bg-dark">
        <h5 class="mb-0">💬 Prompt eingeben</h5>
      </div>
      <div class="card-body">
        <div class="mb-3">
          <label for="prompt" class="form-label">Ihre Anfrage an den Orchestrator</label>
          <textarea class="form-control" id="prompt" name="prompt" rows="8"
            placeholder="Was soll erledigt werden?&#10;&#10;Beispiele:&#10;- Recherchiere Locations für den Diversity Ball&#10;- Erstelle eine Budget-Übersicht&#10;- Verteile diese Tasks an passende Agenten" required></textarea>
        </div>
        <button type="button" class="btn btn-primary w-100" id="streamBtn"
          onclick="sendPromptWithStream()">
          ▶ Live-Antwort anfordern
        </button>
        <p class="form-text mt-2">
          Der Orchestrator analysiert deine Anfrage und delegiert automatisch an die passenden Agenten.
        </p>
      </div>
    </div>
  </div>

  <!-- Chat -->
  <div class="col-lg-8">
    <div class="card">
      <div class="card-header bg-dark d-flex justify-content-between align-items-center">
        <h5 class="mb-0">Orchestrator-Chat</h5>
        <div class="d-flex align-items-center gap-2">
          <small style="color:var(--text-muted);">Automatische Agenten-Delegation</small>
          {% if chat_history %}
          <button class="btn btn-sm btn-outline-secondary" onclick="clearOrchestratorChat()">🗑 Clear</button>
          {% endif %}
        </div>
      </div>
      <div class="card-body chat-container" id="chatContainer">
        {% if chat_history %}
          {% for chat in chat_history %}
          {% if chat.is_notification %}
            <!-- System Notification -->
            <div class="alert alert-info mb-2" style="font-size:0.875rem;padding:0.75rem;">
              <div style="display:flex;justify-content:space-between;align-items:center;">
                <span>{{ chat.message }}</span>
                <small style="color:var(--text-muted);">{{ chat.timestamp }}</small>
              </div>
            </div>
          {% else %}
            <!-- Regular Chat Message -->
            <div class="chat-message">
              <div class="chat-timestamp">
                {{ chat.timestamp }} ·
                <span class="badge bg-primary" style="font-size:.65rem;">{{ chat.agent }}</span>
              </div>
              <div class="chat-prompt mt-1"><strong>Sie:</strong> {{ chat.user_prompt }}</div>
              <div class="chat-response mt-1"><strong>Orchestrator:</strong> {{ chat.response }}</div>
            </div>
          {% endif %}
          {% endfor %}
        {% else %}
          <div class="text-center py-5" style="color:var(--text-muted);" id="emptyState">
            <p style="font-size:2rem;margin-bottom:.5rem;">🤖</p>
            <p>Noch keine Anfragen.<br>Der Orchestrator delegiert automatisch an den passenden Agenten.</p>
            <hr>
            <p style="font-size:.8rem;">
              ✓ Immer zuerst delegieren · ✓ Neuen Agenten erstellen falls nötig · ✓ Niemals selbst ausführen
            </p>
          </div>
        {% endif %}
      </div>
    </div>
  </div>
</div>
{% endblock %}

{% block scripts %}
<script>
function sendPromptWithStream() {
  const prompt = document.getElementById('prompt').value.trim();
  const streamBtn = document.getElementById('streamBtn');
  if (!prompt) { alert('Bitte Anfrage eingeben!'); return; }

  streamBtn.disabled = true;
  streamBtn.textContent = '⏳ Agent arbeitet…';

  const chatContainer = document.getElementById('chatContainer');
  const emptyState = document.getElementById('emptyState');
  if (emptyState) emptyState.remove();

  const msgDiv = document.createElement('div');
  msgDiv.className = 'chat-message';
  msgDiv.innerHTML = `
    <div class="chat-timestamp">${formatTimestamp()} · <span class="badge bg-primary" style="font-size:.65rem;" id="agentBadge">wird ausgewählt…</span></div>
    <div class="chat-prompt mt-1"><strong>Sie:</strong> ${escapeHtml(prompt)}</div>
    <div class="chat-response mt-1" id="responseDiv"><strong>Orchestrator:</strong> <span id="responseText">⏳ Agent arbeitet…</span></div>
  `;
  chatContainer.insertBefore(msgDiv, chatContainer.firstChild);

  fetch('/api/agent-stream', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ prompt })
  }).then(response => {
    const reader = response.body.getReader();
    const decoder = new TextDecoder();
    let buffer = '';

    function read() {
      reader.read().then(({ done, value }) => {
        if (done) {
          streamBtn.disabled = false;
          streamBtn.textContent = 'Live-Antwort anfordern';
          return;
        }
        buffer += decoder.decode(value, { stream: true });
        const lines = buffer.split('\n');
        buffer = lines.pop();
        for (const line of lines) {
          if (!line.startsWith('data: ')) continue;
          try {
            const event = JSON.parse(line.slice(6));
            if (event.type === 'agent_selected') {
              document.getElementById('agentBadge').textContent = event.agent;
            } else if (event.type === 'response_chunk') {
              const t = document.getElementById('responseText');
              if (t.textContent.startsWith('⏳')) t.textContent = '';
              t.textContent += event.text;
            } else if (event.type === 'error') {
              document.getElementById('responseText').textContent = '❌ ' + event.message;
            }
          } catch(e) {}
        }
        read();
      });
    }
    read();
  }).catch(err => {
    document.getElementById('responseText').textContent = '❌ ' + err.message;
    streamBtn.disabled = false;
    streamBtn.textContent = 'Live-Antwort anfordern';
  });
}

function distributeTodos() {
  const prompt = document.getElementById('todoPrompt').value.trim();
  if (!prompt) { alert('Bitte Aufgaben eingeben!'); return; }
  
  const selectedAgents = Array.from(document.querySelectorAll('.agent-checkbox:checked')).map(cb => cb.value);
  if (selectedAgents.length === 0) { alert('Bitte mindestens einen Agenten auswählen!'); return; }
  
  const status = document.getElementById('todoStatus');
  status.textContent = 'Starte parallele Ausführung...';
  status.className = 'form-text mt-2 text-info';
  
  const tasks = prompt.split('\n').filter(t => t.trim());
  
  fetch('/api/orchestrator-distribute', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ tasks, agents: selectedAgents })
  })
  .then(r => r.json())
  .then(data => {
    console.log('Response:', data);
    if (data && data.success) {
      status.textContent = '✓ ' + data.message;
      status.className = 'form-text mt-2 text-success';
      if (data.tasks && data.tasks.length > 0) {
        location.reload();
      }
    } else if (data) {
      status.textContent = 'Fehler: ' + (data.error || 'Unbekannter Fehler');
      status.className = 'form-text mt-2 text-danger';
    } else {
      status.textContent = 'Fehler: Keine Antwort vom Server';
      status.className = 'form-text mt-2 text-danger';
    }
  })
  .catch(err => {
    status.textContent = 'Fehler: ' + err.message;
    status.className = 'form-text mt-2 text-danger';
  });
}

function escapeHtml(text) {
  const div = document.createElement('div');
  div.textContent = text;
  return div.innerHTML;
}

function clearOrchestratorChat() {
  if (!confirm('Möchten Sie den gesamten Chat-Verlauf löschen?')) return;
  
  fetch('/orchestrator/clear', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' }
  })
  .then(response => response.json())
  .then(data => {
    if (data.success) {
      location.reload();
    }
  })
  .catch(err => {
    alert('Fehler beim Löschen: ' + err.message);
  });
}

function formatTimestamp() {
  const now = new Date();
  const day = String(now.getDate()).padStart(2, '0');
  const month = String(now.getMonth() + 1).padStart(2, '0');
  const year = now.getFullYear();
  const hours = String(now.getHours()).padStart(2, '0');
  const minutes = String(now.getMinutes()).padStart(2, '0');
  const seconds = String(now.getSeconds()).padStart(2, '0');
  return `${day}.${month}.${year} ${hours}:${minutes}:${seconds}`;
}
</script>
{% endblock %}