export default async function handler(req, res) {
  if (req.method !== 'POST') {
    return res.status(405).json({ message: 'Method not allowed' })
  }

  const { message, nodeId, nodeConfig } = req.body

  // In production, this would call the actual LLM API
  // For demo purposes, we return a simulated response
  const responses = [
    `I understand your request: "${message}". Let me process this according to my role.`,
    `Acknowledged. Based on my brief, I'll handle this task appropriately.`,
    `Thank you for the input. I'm coordinating with other agents as needed.`,
    `Processing your request in alignment with my designated responsibilities.`,
  ]

  const randomResponse = responses[Math.floor(Math.random() * responses.length)]

  // Simulate API delay
  await new Promise(resolve => setTimeout(resolve, 500))

  res.status(200).json({
    response: randomResponse,
    nodeId,
    timestamp: new Date().toISOString(),
  })
}