import { REPLY_QUALITY_RETENTION_DAYS } from "./reply-quality-labels.ts";

/**
 * 对话质量记录 retention (compliance round 2026-09-30): snapshot bodies older
 * than 90 days are blanked by expire_reply_quality_snapshot_bodies(); date,
 * model, 不满意原因 and 处理状态 stay for statistics. Logs carry a count only.
 */
export const REPLY_QUALITY_RETENTION_TICK_MS = 6 * 60 * 60 * 1000;
export const REPLY_QUALITY_RETENTION_FIRST_TICK_MS = 2 * 60 * 1000;

export async function runReplyQualityRetentionTick(deps: Readonly<{
  expire: (days: number) => Promise<number | null>;
  log: (line: string) => void;
}>): Promise<number | null> {
  const expired = await deps.expire(REPLY_QUALITY_RETENTION_DAYS);
  if (expired === null) deps.log("[reply-quality-retention] expire failed");
  else if (expired > 0) deps.log(`[reply-quality-retention] expired=${expired}`);
  return expired;
}