import { MemoryCache } from "./memory-cache";

import { Cache } from "./cache.interface";
import { IS_DEV } from "lib/const";
import logger from "logger";

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

const createCache = () => {
  const redisUrl = process.env.REDIS_URL;

  if (IS_DEV) {
    logger.info("Using MemoryCache for development");
    return new MemoryCache();
  }

  if (redisUrl) {
    // logger.info("Using SafeRedisCache with automatic fallback");
    // return new SafeRedisCache({
    //   redisUrl,
    //   fallbackToMemory: true,
    //   redisOptions: {
    //     retryStrategy: (times) => {
    //       if (times > 3) {
    //         logger.error("Redis connection failed after 3 retries");
    //         return null;
    //       }
    //       return Math.min(times * 1000, 3000);
    //     },
    //     maxRetriesPerRequest: 2,
    //     enableOfflineQueue: false,
    //     connectTimeout: 5000,
    //     commandTimeout: 5000,
    //   },
    // });
  }

  // logger.warn("No Redis URL found, using MemoryCache");
  return new MemoryCache();
};

const serverCache = globalThis.__server__cache__ || createCache();

if (IS_DEV) {
  globalThis.__server__cache__ = serverCache;
}

export { serverCache };