import { redisClient } from "../db/redis.js";
import { promisify } from "node:util";
import redisLock from "redis-lock";
/**
 * Retry delay (ms) for lock acquisition
 */ const retryDelay = 100;
const lock = redisClient ? promisify(redisLock(redisClient, retryDelay)) : async ()=>()=>{};
/**
 * Get AP Object lock
 * @param uri AP object ID
 * @param timeout Lock timeout (ms), The timeout releases previous lock.
 * @returns Unlock function
 */ export function getApLock(uri, timeout = 30 * 1000) {
    return lock(`ap-object:${uri}`, timeout);
}
export function getFetchInstanceMetadataLock(host, timeout = 30 * 1000) {
    return lock(`instance:${host}`, timeout);
}
export function getChartInsertLock(lockKey, timeout = 30 * 1000) {
    return lock(`chart-insert:${lockKey}`, timeout);
}