infoalloggi-monorepo/apps/infoalloggi/src/middlewares/apis_middleware.ts

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

export const apisMiddleware = async (req: NextRequest) => {
	const path = req.nextUrl.pathname;

	const rewrite_paths = ["/go-api/images/", "/go-api/storage/"];
	if (!rewrite_paths.some((p) => path.startsWith(p))) {
		return;
	}

	if (
		path.startsWith("/go-api/images/") ||
		path.startsWith("/go-api/storage/")
	) {
		// Handle image and storage requests
		const newPath = path
			.replace("/go-api/images/", "/images/")
			.replace("/go-api/storage/", "/storage/");

		const url = new URL(`${env.BACKENDSERVER_URL}${newPath}`, req.url);
		const res = NextResponse.rewrite(url);
		res.headers.set("Access-Control-Allow-Origin", env.NEXT_PUBLIC_BASE_URL);

		res.headers.set(
			"Access-Control-Allow-Methods",
			"GET, POST, PUT, DELETE, OPTIONS",
		);
		res.headers.set(
			"Access-Control-Allow-Headers",
			"Content-Type, Authorization",
		);
		return res;

		// Fetch the content from the backend and serve it through the middleware
		/*
    const response = await fetch(url.toString(), {
      headers: req.headers,
    });

    return new NextResponse(response.body, {
      headers: response.headers,
      status: response.status,
    });*/
	}
};