import { LRUCache } from "lru-cache";
import config from "./config.js";
let redis = null;
let useRedis = false;
export async function initCache() {
    if (config.redisUrl) {
        const { createClient } = await import("redis");
        redis = createClient({ url: config.redisUrl });
        await redis.connect();
        useRedis = true;
    }
}
const lru = new LRUCache({ max: 1000 });
export async function get(key) {
    if (useRedis) {
        const raw = await redis.get(key);
        return raw ? JSON.parse(raw) : null;
    }
    return lru.get(key) ?? null;
}
export async function set(key, val) {
    if (useRedis) {
        await redis.set(key, JSON.stringify(val));
    }
    else {
        lru.set(key, val);
    }
}
export async function del(key) {
    if (useRedis) {
        await redis.del(key);
    }
    else {
        lru.delete(key);
    }
}