/** 报价有效期：3 分钟 */
export const QUOTE_VALIDITY_MS = 3 * 60 * 1_000;

/** processing 超时阈值：RPA job 360s + sweeper 60s 宽限期，避免误杀 active job */
export const RPA_QUOTE_PROCESSING_MS = 360 * 1_000;

/** sweeper 宽限：须晚于 RPA_JOB_TIMEOUT_MS + lock，再标记 failed */
export const QUOTE_SWEEPER_GRACE_MS = 60 * 1_000;

export const QUOTE_TIMEOUT_MS =
  RPA_QUOTE_PROCESSING_MS + QUOTE_SWEEPER_GRACE_MS;

/** 超时扫描间隔：10 秒 */
export const SWEEPER_INTERVAL_MS = 10 * 1_000;

/** 幂等记录 TTL：24 小时 */
export const IDEMPOTENCY_TTL_MS = 24 * 60 * 60 * 1_000;

/** quote_id 前缀 */
export const QUOTE_ID_PREFIX = "QTE";

/** 核心四档 service_level × rate_option 组合（最低验收） */
export const REQUIRED_QUOTE_TIERS = [
  { service_level: "standard", rate_option: "lowest" },
  { service_level: "standard", rate_option: "fastest" },
  { service_level: "guaranteed", rate_option: "lowest" },
  { service_level: "guaranteed", rate_option: "fastest" },
] as const;

/** MotherShip UI 可能出现的档位（仅排序参考，不作过滤白名单） */
export const UI_QUOTE_TIER_SORT_ORDER = [
  { service_level: "standard", rate_option: "lowest" },
  { service_level: "standard", rate_option: "fastest" },
  { service_level: "standard", rate_option: "bestValue" },
  { service_level: "guaranteed", rate_option: "lowest" },
  { service_level: "guaranteed", rate_option: "fastest" },
  { service_level: "guaranteed", rate_option: "bestValue" },
] as const;

/** @deprecated 使用 UI_QUOTE_TIER_SORT_ORDER；MotherShip 返回档位数动态，禁止白名单过滤 */
export const UI_QUOTE_TIERS = UI_QUOTE_TIER_SORT_ORDER;

const SERVICE_LEVEL_RANK = new Map<string, number>(
  ["standard", "guaranteed"].map((k, i) => [k, i]),
);

const RATE_OPTION_RANK = new Map<string, number>(
  ["lowest", "fastest", "bestValue"].map((k, i) => [k.toLowerCase(), i]),
);

/** 稳定排序：standard 先于 guaranteed；lowest → fastest → bestValue */
export function compareUiTierSortOrder(
  serviceLevelA: string,
  rateOptionA: string,
  serviceLevelB: string,
  rateOptionB: string,
): number {
  const sl =
    (SERVICE_LEVEL_RANK.get(serviceLevelA) ?? 99) -
    (SERVICE_LEVEL_RANK.get(serviceLevelB) ?? 99);
  if (sl !== 0) {
    return sl;
  }
  return (
    (RATE_OPTION_RANK.get(rateOptionA.toLowerCase()) ?? 99) -
    (RATE_OPTION_RANK.get(rateOptionB.toLowerCase()) ?? 99)
  );
}

/** MotherShip 可选档位（如最优性价比 bestValue） */
export const OPTIONAL_QUOTE_TIERS = [
  { service_level: "standard", rate_option: "bestValue" },
  { service_level: "guaranteed", rate_option: "bestValue" },
] as const;