import {
  LRUCache,
  memoize,
  memoizeAsync,
  getPatternCacheMetrics,
} from '@dotsetlabs/cli';

// Create an LRU cache
const cache = new LRUCache<string, RegExp>({ maxSize: 1000 });
cache.set('aws-key', /AKIA[A-Z0-9]{16}/g);

// Memoize expensive functions
const parsePattern = memoize((pattern: string) => {
  return new RegExp(pattern, 'gi');
});

// Memoize async functions
const fetchSecrets = memoizeAsync(async (key: string) => {
  return await secretsManager.getValue(key);
}, { ttlMs: 60000 });

// Check cache performance
const metrics = getPatternCacheMetrics();
console.log(`Cache hit rate: ${metrics.hitRate}%`);

avgAccessCount: number;

evictions: number;

expirations: number;

hitRate: number;

hits: number;

maxSize: number;

misses: number;

optional newestEntryAge: number;

optional oldestEntryAge: number;

size: number;

totalAccessCount: number;