Chatbot API Integration

# 1) First request (no session id). Use -i to see response headers.
curl -i -X POST https://webchatagent.com/api/chat \
  -H "Content-Type: application/json" \
  -d '{
  "message": "Hello, how can you help me?",
  "chatbotId": "<your-chatbot-id>"
  }'

# 2) Reuse the X-Chat-Session-Id from the response header for the conversation.
curl -X POST https://webchatagent.com/api/chat \
  -H "Content-Type: application/json" \
  -H "X-Chat-Session-Id: <session-id-from-response>" \
  -d '{
  "message": "Continue the conversation.",
  "chatbotId": "<your-chatbot-id>"
  }'

async function sendChatMessage({ baseUrl, chatbotId, message, sessionId }) {
  const res = await fetch(`${baseUrl}/api/chat`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-Chat-Session-Id': sessionId || ''
    },
    body: JSON.stringify({ message, chatbotId })
  });

  const nextSessionId = res.headers.get('X-Chat-Session-Id') || sessionId || '';
  if (!res.ok) throw new Error(await res.text());
  const data = await res.json();
  // data: { reply, sources, mode, status }
  // If mode === 'human' and status === 'waiting' or 'open', switch to WebSocket
  if (data.mode === 'human' && (data.status === 'waiting' || data.status === 'open')) {
    // Switch to WebSocket for live chat
    connectToLiveChat(nextSessionId, chatbotId);
  }
  return { data, sessionId: nextSessionId };
}