import Redis, { type Redis as RedisClient } from "ioredis";

declare global {
  // eslint-disable-next-line no-var
  var __redis: RedisClient | undefined;
}

export function getRedis() {
  if (globalThis.__redis) return globalThis.__redis;

  const url = process.env.REDIS_URL || "redis://localhost:6379";
  const client = new Redis(url, {
    maxRetriesPerRequest: null,
  });

  if (process.env.NODE_ENV !== "production") {
    globalThis.__redis = client;
  }

  return client;
}