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

  const { prompt } = req.body;
  
  // NOTE: Replace with your actual ComfyUI endpoint
  const COMFYUI_URL = process.env.COMFYUI_URL || 'http://localhost:8188';

  try {
    // This is a simplified mock logic for the proxy structure.
    // In a real scenario, you would send a workflow object to ComfyUI.
    // Example:
    // const response = await fetch(`${COMFYUI_URL}/prompt`, {
    //   method: 'POST',
    //   headers: { 'Content-Type': 'application/json' },
    //   body: JSON.stringify({ prompt: prompt }),
    // });
    
    // Simulating a delay
    await new Promise(resolve => setTimeout(resolve, 1500));

    // Mock response
    return res.status(200).json({ 
      url: 'https://picsum.photos/seed/' + encodeURIComponent(prompt) + '/800/450' 
    });

  } catch (error) {
    console.error('ComfyUI Error:', error);
    return res.status(500).json({ message: 'Internal Server Error' });
  }
}