import Redis from "ioredis";

export const redis = new Redis(process.env.REDIS_URL ?? "redis://localhost:6379", {
  maxRetriesPerRequest: 3,
});

export const CAMERA_FRAMES_STREAM = "stream:camera_frames";

export interface FrameIngestionTask {
  farmId: string;
  printerId: string;
  printJobId: string | null;
  r2ObjectKey: string;
  capturedAt: string;
}

/** Pushes a frame-ingestion task for continuum-ai-worker to pick up via XREADGROUP. */
export async function enqueueFrameIngestion(task: FrameIngestionTask): Promise<string> {
  return redis.xadd(
    CAMERA_FRAMES_STREAM,
    "*",
    "farmId",
    task.farmId,
    "printerId",
    task.printerId,
    "printJobId",
    task.printJobId ?? "",
    "r2ObjectKey",
    task.r2ObjectKey,
    "capturedAt",
    task.capturedAt,
  ) as Promise<string>;
}