import prisma from './db';

/**
 * Logs an API request to the database.
 * This is intentionally fire-and-forget — it never blocks the response path.
 */
export function logApiRequest(
  endpoint: string,
  status: number,
  duration: number
): void {
  prisma.apiRequestLog
    .create({ data: { endpoint, status, duration } })
    .catch((error) => console.error('Failed to log API request:', error));

  // Prune old logs in the background (keep last 7 days)
  pruneOldLogs();
}

let lastPruneAt = 0;
const PRUNE_INTERVAL = 60 * 60 * 1000; // prune at most once per hour

function pruneOldLogs(): void {
  if (Date.now() - lastPruneAt < PRUNE_INTERVAL) return;
  lastPruneAt = Date.now();

  const cutoff = new Date(Date.now() - 7 * 24 * 60 * 60 * 1000);
  prisma.apiRequestLog
    .deleteMany({ where: { createdAt: { lt: cutoff } } })
    .catch((error) => console.error('Failed to prune API logs:', error));
}