import type { JobPayload, JobQueueName } from "../queues";

export type JobProcessor = (payload: JobPayload) => Promise<void>;

/**
 * Processor registry. Each lane adds exactly ONE line for its queue, e.g.
 *   [JOB_QUEUES.importExtraction]: () => import("./import-extraction").then((m) => m.process),
 * Lazy imports keep the app bundle free of worker-only dependencies (Playwright etc.).
 */
export const PROCESSORS: Partial<Record<JobQueueName, () => Promise<JobProcessor>>> = {
  // lane-imports:   "import-extraction": () => import("./import-extraction").then((m) => m.process),
  // lane-lotse:     "transcription": () => import("./transcription").then((m) => m.process),
  // lane-reports:   "report-pdf": () => import("./report-pdf").then((m) => m.process),
  // lane-field:     "image-derivatives": () => import("./image-derivatives").then((m) => m.process),
};

/** Inline fallback when no Redis is available (dev/demo). */
export async function runInline(name: JobQueueName, payload: JobPayload): Promise<void> {
  const load = PROCESSORS[name];
  if (!load) throw new Error(`no processor registered for ${name}`);
  const process = await load();
  await process(payload);
}