import { WebSocketServer } from "ws";
import { initWebSocketServer } from "@/lib/websocket";

const globalWss = globalThis as typeof globalThis & { __eduboxWss?: WebSocketServer };

if (!globalWss.__eduboxWss) {
  try {
    const wss = new WebSocketServer({ port: 3001 });
    wss.on("error", (err) => {
      // Silently ignore EADDRINUSE during build/hot reload; the existing
      // server will keep handling agent connections.
      console.warn("WebSocket server error:", (err as Error).message);
    });
    globalWss.__eduboxWss = wss;
    initWebSocketServer(wss);
  } catch {
    // Port may be in use during build or hot reload
  }
}

export async function GET() {
  return new Response("WebSocket server running on port 3001", { status: 200 });
}