import Redis from 'ioredis';

const globalForRedis = globalThis as unknown as {
  redis?: Redis;
};

export function getRedis() {
  if (!process.env.REDIS_URL) {
    return null;
  }

  if (!globalForRedis.redis) {
    globalForRedis.redis = new Redis(process.env.REDIS_URL, {
      lazyConnect: true,
      maxRetriesPerRequest: 1,
    });
  }

  return globalForRedis.redis;
}