export function mapApiErrorMessage(
  code: string,
  details?: Record<string, unknown>,
  fallbackMessage?: string,
) {
  if (code === "AUTH_001") {
    return "账号或密码错误，请检查后重试。";
  }

  if (code === "AUTH_002") {
    const lockedUntil = typeof details?.lockedUntil === "string" ? details.lockedUntil : null;
    if (lockedUntil) {
      const until = new Date(lockedUntil);
      if (!Number.isNaN(until.getTime())) {
        return `账号已锁定至 ${until.toLocaleString()}，请稍后重试。`;
      }
    }
    return "账号已锁定，请稍后重试。";
  }

  if (code === "AUTH_003") {
    return "账号已离职/禁用，请联系管理员。";
  }

  if (code === "AUTH_004") {
    return "登录状态失效，请重新登录。";
  }

  if (code === "AUTH_005") {
    return "登录状态已失效，请重新登录。";
  }

  if (code === "PERM_001") {
    return "当前账号无权限执行该操作。";
  }

  if (code === "PERM_002") {
    return "你不是当前任务处理人，无法执行该操作。";
  }

  if (code === "SYS_404") {
    return "目标数据不存在或已被删除。";
  }

  if (code === "SYS_001") {
    return "服务暂不可用，请稍后重试或联系管理员。";
  }

  if (code === "SYS_429") {
    return "请求过于频繁，请稍后重试。";
  }

  if (code === "VALID_002") {
    return "输入内容长度不足，请补充后再提交。";
  }

  if (code === "VALID_003") {
    return "票据疑似重复，请核对后再上传或联系财务处理。";
  }

  if (code === "VALID_004") {
    return "原始单据已审批通过/付款，当前操作不允许。";
  }

  if (code === "VALID_005") {
    return "票据已绑定报销单，无需重复绑定。";
  }

  if (code === "VALID_006") {
    return "OCR 重试次数已达上限，请稍后人工处理。";
  }

  if (code === "VALID_007") {
    return "OCR 重试过于频繁，请稍后再试。";
  }

  if (code === "VALID_001") {
    if (details?.payment === "already_paid_conflict") {
      return "该报销单已支付且付款信息冲突，请刷新后确认。";
    }

    if (details?.status === "invalid_pay_status") {
      return "当前状态不允许执行付款。";
    }

    if (details?.transfer === "chain_limit_exceeded") {
      return "当前任务转审次数已达上限。";
    }

    if (details?.transfer === "same_assignee_not_allowed") {
      return "不能将任务转审给自己。";
    }

    if (details?.toApproverId === "target_not_approver") {
      return "目标人员不具备审批权限。";
    }

    if (details?.toApproverId === "invalid_target") {
      return "目标审批人不存在或已停用。";
    }

    if (details?.task === "already_processed") {
      return "该任务已被处理，请刷新列表。";
    }

    if (details?.invoice === "not_bound") {
      return "该票据未绑定报销单，无法解绑。";
    }

    if (details?.reimbursement === "invalid_status_for_unbind") {
      return "仅草稿/驳回状态的报销单允许解绑票据。";
    }

    if (details?.ocr === "disabled") {
      return "当前环境未开启 OCR，请联系管理员或切换到 mock/tencent。";
    }
  }

  return fallbackMessage || "请求失败，请稍后重试。";
}