pages/api/chat.js

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

  try {
    const { message } = req.body;

    if (!message) {
      return res.status(400).json({ message: 'Message is required' });
    }

    // Simple mock responses based on user input
    const responses = [
      "That's interesting! Tell me more about it.",
      "I understand how you feel. What else is on your mind?",
      "I'm here for you. How can I support you today?",
      "That sounds like a great idea! What made you think of that?",
      "I appreciate you sharing that with me. Is there anything else you'd like to talk about?",
      "I'm glad you told me that. How does it make you feel?",
      "That's a unique perspective. What led you to that conclusion?",
      "I'm always here to listen. What would you like to talk about next?",
    ];

    // Simple keyword-based responses
    if (message.toLowerCase().includes('hello') || message.toLowerCase().includes('hi')) {
      return res.status(200).json({ response: "Hello! How are you feeling today?" });
    }

    if (message.toLowerCase().includes('how are you')) {
      return res.status(200).json({ response: "I'm doing well, thank you for asking! How about you?" });
    }

    if (message.toLowerCase().includes('bye') || message.toLowerCase().includes('goodbye')) {
      return res.status(200).json({ response: "Goodbye! Remember I'm always here when you need to talk." });
    }

    // Random response for other inputs
    const randomResponse = responses[Math.floor(Math.random() * responses.length)];

    // Simulate some processing time
    setTimeout(() => {
      res.status(200).json({ response: randomResponse });
    }, 1000);

  } catch (error) {
    console.error('Error in chat API:', error);
    res.status(500).json({ message: 'Internal server error' });
  }
}