middleware.ts

import { NextResponse } from 'next/server'
import type { NextRequest } from 'next/server'

export function middleware(request: NextRequest) {
  // Handle CORS preflight requests
  if (request.method === 'OPTIONS') {
    return new NextResponse(null, {
      status: 200,
      headers: {
        'Access-Control-Allow-Origin': '*',
        'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, PATCH, OPTIONS',
        'Access-Control-Allow-Headers': 'Content-Type, Authorization',
      },
    })
  }

  // Add CORS headers to all API responses
  const response = NextResponse.next()
  response.headers.set('Access-Control-Allow-Origin', '*')
  response.headers.set('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, PATCH, OPTIONS')
  response.headers.set('Access-Control-Allow-Headers', 'Content-Type, Authorization')
  
  return response
}

export const config = {
  matcher: '/api/:path*',
}