middleware.ts

import { NextRequest, NextResponse } from "next/server";

export function middleware(request: NextRequest) {
  // Handle CORS for callback routes
  if (
    request.nextUrl.pathname.startsWith("/callback") ||
    request.nextUrl.pathname.startsWith("/api/callback")
  ) {
    // Handle preflight requests
    if (request.method === "OPTIONS") {
      return new NextResponse(null, {
        status: 200,
        headers: {
          "Access-Control-Allow-Origin": "https://auth.f3nation.com",
          "Access-Control-Allow-Methods": "GET, POST, OPTIONS",
          "Access-Control-Allow-Headers": "Content-Type, Authorization",
          "Access-Control-Max-Age": "86400",
        },
      });
    }

    // Add CORS headers to all callback responses
    const response = NextResponse.next();

    response.headers.set(
      "Access-Control-Allow-Origin",
      "https://auth.f3nation.com",
    );
    response.headers.set("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
    response.headers.set(
      "Access-Control-Allow-Headers",
      "Content-Type, Authorization",
    );

    return response;
  }

  return NextResponse.next();
}

export const config = {
  matcher: ["/callback/:path*", "/api/callback/:path*"],
};