import { getInjectionToken } from "@ogre-tools/injectable";
import type { RequestChannel } from "./request-channel-listener-injection-token";

export interface RequestFromChannel {
  <Request, Response>(
    channel: RequestChannel<Request, Response>,
    request: Request,
  ): Promise<Response>;
  <Response>(channel: RequestChannel<void, Response>): Promise<Response>;
}

export type ChannelRequester<Channel> = Channel extends RequestChannel<
  infer Request,
  infer Response
>
  ? (req: Request) => Promise<Awaited<Response>>
  : never;

export const requestFromChannelInjectionToken = getInjectionToken<RequestFromChannel>({
  id: "request-from-request-channel",
});
