// Dedicated runtime for the Declarative Generative UI (A2UI fixed-schema) demo.

import { NextRequest, NextResponse } from "next/server";
import {
  CopilotRuntime,
  ExperimentalEmptyAdapter,
  copilotRuntimeNextJSAppRouterEndpoint,
} from "@copilotkit/runtime";
import { HttpAgent } from "@ag-ui/client";

const AGENT_URL = process.env.AGENT_URL || "http://localhost:8000";

function createAgent() {
  return new HttpAgent({ url: `${AGENT_URL}/` });
}

const a2uiFixedAgent = createAgent();
const agents = {
  "a2ui-fixed-schema": a2uiFixedAgent,
  default: a2uiFixedAgent,
};

export const POST = async (req: NextRequest) => {
  try {
    const { handleRequest } = copilotRuntimeNextJSAppRouterEndpoint({
      endpoint: "/api/copilotkit-a2ui-fixed-schema",
      serviceAdapter: new ExperimentalEmptyAdapter(),
      runtime: new CopilotRuntime({
        // @ts-ignore -- Published CopilotRuntime agents type wraps Record in MaybePromise<NonEmptyRecord<...>> which rejects plain Records; fixed in source, pending release
        agents,
      }),
    });
    return await handleRequest(req);
  } catch (error: unknown) {
    const e = error as { message?: string; stack?: string };
    return NextResponse.json(
      { error: e.message, stack: e.stack },
      { status: 500 },
    );
  }
};
