/**
 * Performance profiling tools integration for helpyourneighbour backend
 */

// Example of profiling middleware
const profileMiddleware = (req, res, next) => {
  const start = process.hrtime.bigint();
  
  res.on('finish', () => {
    const end = process.hrtime.bigint();
    const duration = Number(end - start) / 1000000; // Convert to milliseconds
    
    console.log(`[PROFILE] ${req.method} ${req.url} took ${duration.toFixed(2)}ms`);
    
    // Log to monitoring service
    logToMonitoringService({
      operation: `${req.method} ${req.url}`,
      duration: duration,
      timestamp: new Date()
    });
  });
  
  next();
};

// CPU profiling example
const startCpuProfiling = () => {
  // In a real implementation, this would use Node.js built-in profiler or external tools
  console.log('[PROFILE] Starting CPU profiling...');
  // Implementation would depend on chosen profiling tool (e.g., clinic.js, node --inspect)
};

// Memory profiling example
const startMemoryProfiling = () => {
  // In a real implementation, this would use Node.js memory profiler or external tools
  console.log('[PROFILE] Starting memory profiling...');
  // Implementation would depend on chosen profiling tool
};

module.exports = {
  profileMiddleware,
  startCpuProfiling,
  startMemoryProfiling
};