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

const BACKEND = process.env.HERMES_BACKEND_URL || "http://127.0.0.1:8643";

export async function GET(req: NextRequest, { params }: { params: Promise<{ path: string[] }> }) {
  const { path } = await params;
  const target = path.join("/");
  const qs = req.nextUrl.search;
  const res = await fetch(`${BACKEND}/api/${target}${qs}`);
  const data = await res.text();
  return new NextResponse(data, {
    status: res.status,
    headers: { "content-type": res.headers.get("content-type") || "application/json" },
  });
}

export async function POST(req: NextRequest, { params }: { params: Promise<{ path: string[] }> }) {
  const { path } = await params;
  const target = path.join("/");
  const body = await req.text();
  const res = await fetch(`${BACKEND}/api/${target}`, {
    method: "POST",
    headers: { "content-type": "application/json" },
    body,
  });
  const data = await res.text();
  return new NextResponse(data, {
    status: res.status,
    headers: { "content-type": res.headers.get("content-type") || "application/json" },
  });
}

export async function PATCH(req: NextRequest, { params }: { params: Promise<{ path: string[] }> }) {
  const { path } = await params;
  const target = path.join("/");
  const body = await req.text();
  const res = await fetch(`${BACKEND}/api/${target}`, {
    method: "PATCH",
    headers: { "content-type": "application/json" },
    body,
  });
  const data = await res.text();
  return new NextResponse(data, {
    status: res.status,
    headers: { "content-type": res.headers.get("content-type") || "application/json" },
  });
}

export async function DELETE(req: NextRequest, { params }: { params: Promise<{ path: string[] }> }) {
  const { path } = await params;
  const target = path.join("/");
  const body = await req.text();
  const res = await fetch(`${BACKEND}/api/${target}`, {
    method: "DELETE",
    headers: { "content-type": "application/json" },
    body: body || undefined,
  });
  const data = await res.text();
  return new NextResponse(data, {
    status: res.status,
    headers: { "content-type": res.headers.get("content-type") || "application/json" },
  });
}