import { NextRequest, NextResponse } from "next/server";
import { isExtAuthorized } from "@/lib/render-pipeline/ext-auth";
import { toErrorResponse } from "@/lib/render-pipeline/errors";
import { registerMachine } from "@/lib/render-pipeline/machines";

// ── POST /api/ext/workers/register (E6) ──────────────────────────────────────
//
// Idempotent register/upsert on machine name. Returns the server-supplied
// worker config (SystemConfig) so fleet tuning never touches worker installs.

export async function POST(req: NextRequest) {
  if (!isExtAuthorized(req)) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }
  let body: {
    name?: string;
    hostname?: string;
    workerVersion?: string;
    aeVersion?: string;
    capabilities?: unknown;
  };
  try {
    body = await req.json();
  } catch {
    return NextResponse.json({ error: "Invalid JSON" }, { status: 400 });
  }
  try {
    const result = await registerMachine(body);
    return NextResponse.json(result);
  } catch (err) {
    const { body: errBody, status } = toErrorResponse(err);
    return NextResponse.json(errBody, { status });
  }
}