import { cacheGet, cacheSet } from "./cache";
import { getPlanById } from "../db/plans";

/**
 * Performance optimization utilities
 */

/**
 * Get plan with caching
 */
export async function getPlanWithCache(planId: string) {
  const cacheKey = `plan:${planId}`;
  
  // Try cache first
  const cached = await cacheGet(cacheKey);
  if (cached) {
    return cached;
  }

  // Get from database
  const plan = await getPlanById(planId);
  
  // Cache for 5 minutes
  if (plan) {
    await cacheSet(cacheKey, plan, 300);
  }

  return plan;
}

/**
 * Batch API calls
 */
export async function batchApiCalls<T>(
  calls: Array<() => Promise<T>>,
  batchSize = 10
): Promise<T[]> {
  const results: T[] = [];

  for (let i = 0; i < calls.length; i += batchSize) {
    const batch = calls.slice(i, i + batchSize);
    const batchResults = await Promise.all(batch.map((call) => call()));
    results.push(...batchResults);
  }

  return results;
}