import { QUOTE_TIMEOUT_MS } from "@/lib/constants/quote";
import type { RpaErrorCode } from "@/modules/rpa/errors";
import { RpaError } from "@/modules/rpa/errors";

const QUOTE_TIMEOUT_SEC = Math.round(QUOTE_TIMEOUT_MS / 1_000);

/** 对外展示的询价失败 error_code（domain-rules §10 + RPA 细分） */
export type QuoteFailureCode =
  | "QUOTE_UNAVAILABLE"
  | "QUOTE_TIMEOUT"
  | "QUOTE_ENTRY_UNAVAILABLE"
  | "ADDRESS_SUGGESTION_NOT_FOUND"
  | "CARRIER_NO_CAPACITY"
  | "ADDRESS_NOT_SUPPORTED"
  | "RPA_CAPTCHA"
  | "SESSION_EXPIRED"
  | "RPA_DATA_INVALID"
  | "PAGE_LOAD_TIMEOUT";

const DEFAULT_MESSAGES: Record<QuoteFailureCode, string> = {
  QUOTE_UNAVAILABLE: "暂时无法获取报价，请稍后重试",
  QUOTE_TIMEOUT: `查询超时（超过 ${QUOTE_TIMEOUT_SEC} 秒），请重试`,
  QUOTE_ENTRY_UNAVAILABLE:
    "MotherShip 报价入口打不开（网络超时或被拦截）。请检查 VPN、将 RPA_HEADLESS=false 后重录 .rpa/mothership-storage.json，或增大 RPA_PAGE_GOTO_TIMEOUT_MS",
  ADDRESS_SUGGESTION_NOT_FOUND:
    "无法在 MotherShip 页面匹配您已确认的地址，请重新选择提货/派送地址",
  CARRIER_NO_CAPACITY: "该线路暂无可用运力，请调整货物或地址后重试",
  ADDRESS_NOT_SUPPORTED: "该地址不在 MotherShip 服务范围内",
  RPA_CAPTCHA: "MotherShip 触发验证码，RPA 已暂停，请稍后重试或联系管理员",
  SESSION_EXPIRED: "MotherShip 登录会话已过期，请配置凭据后重试",
  RPA_DATA_INVALID: "未能从 MotherShip 页面解析完整四档报价，请稍后重试",
  PAGE_LOAD_TIMEOUT: "MotherShip 页面加载超时，请稍后重试",
};

const RPA_CODE_MAP: Partial<Record<RpaErrorCode, QuoteFailureCode>> = {
  QUOTE_ENTRY_UNAVAILABLE: "QUOTE_ENTRY_UNAVAILABLE",
  ADDRESS_SUGGESTION_NOT_FOUND: "ADDRESS_SUGGESTION_NOT_FOUND",
  CARRIER_NO_CAPACITY: "CARRIER_NO_CAPACITY",
  ADDRESS_NOT_SUPPORTED: "ADDRESS_NOT_SUPPORTED",
  RPA_CAPTCHA: "RPA_CAPTCHA",
  SESSION_EXPIRED: "SESSION_EXPIRED",
  RPA_DATA_INVALID: "RPA_DATA_INVALID",
  PAGE_LOAD_TIMEOUT: "PAGE_LOAD_TIMEOUT",
  STRUCT_CHANGE: "QUOTE_ENTRY_UNAVAILABLE",
};

export function resolveQuoteFailureCode(error: unknown): QuoteFailureCode {
  if (error instanceof RpaError) {
    return RPA_CODE_MAP[error.code] ?? "QUOTE_UNAVAILABLE";
  }
  return "QUOTE_UNAVAILABLE";
}

export function resolveQuoteFailureMessage(
  error: unknown,
  errorCode: QuoteFailureCode,
): string {
  if (error instanceof RpaError && error.message.trim()) {
    return error.message.trim();
  }
  if (error instanceof Error && error.message.trim()) {
    return error.message.trim();
  }
  return DEFAULT_MESSAGES[errorCode];
}

/** GET /quotes/{id} 展示文案：优先库内明细，否则按 error_code 映射 */
export function formatQuoteErrorMessage(
  errorCode: string | null | undefined,
  storedMessage?: string | null,
): string {
  const trimmed = storedMessage?.trim();
  if (trimmed) {
    return trimmed;
  }
  const code = (errorCode ?? "QUOTE_UNAVAILABLE") as QuoteFailureCode;
  return DEFAULT_MESSAGES[code] ?? DEFAULT_MESSAGES.QUOTE_UNAVAILABLE;
}