import { Agents24 } from "@agents24/node";
import { createAgents24BffHandler, type Agents24BffHandler } from "@agents24/node/bff";
import { getServerEnvironment } from "./env";
import { resolveAgents24Principal, revokeAgents24Principal } from "./principal";

let handler: Agents24BffHandler | undefined;

// Initialize on the first runtime request, never while the host collects routes during a build.
export function handleAgents24(request: Request): Promise<Response> {
  if (!handler) {
    const env = getServerEnvironment();
    handler = createAgents24BffHandler({
      client: new Agents24({ baseUrl: env.AGENTS24_BASE_URL, apiKey: env.AGENTS24_API_KEY }),
      agents: env.AGENTS24_AGENTS,
      integrationId: env.AGENTS24_INTEGRATION_ID,
      integrationName: env.AGENTS24_INTEGRATION_NAME,
      runtimeTarget: (env.AGENTS24_RUNTIME_TARGET || (process.env.NODE_ENV === "production" ? "published" : "draft")) as "draft" | "published",
      resolvePrincipal: resolveAgents24Principal,
      revokePrincipal: revokeAgents24Principal,
    });
  }
  return handler(request);
}