import { db } from '../../lib/database.js';

export default async function handler(req, res) {
  // Set CORS headers
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');

  // Handle preflight requests
  if (req.method === 'OPTIONS') {
    res.status(200).end();
    return;
  }

  try {
    // Test database connection
    const result = await db.query('SELECT NOW() as current_time');
    
    res.status(200).json({
      success: true,
      message: 'Database connection successful!',
      data: result.rows[0] || { current_time: new Date().toISOString() },
      timestamp: new Date().toISOString(),
      environment: process.env.NODE_ENV
    });
  } catch (error) {
    console.error('Database test error:', error);
    res.status(500).json({
      error: 'Database connection failed',
      details: error.message,
      environment: process.env.NODE_ENV
    });
  }
}