// server/utils/logging.ts - API 调试日志工具：为每次请求生成 requestId 并输出安全错误摘要。
import { randomUUID } from "node:crypto";
import { consola } from "consola";

type LogMeta = Record<string, unknown>;

/** 创建带 requestId、scope 和耗时统计的接口日志器 */
export const createApiLogger = (scope: string) => {
  const requestId = randomUUID();
  const startedAt = Date.now();
  const prefix = `[${scope}]`;

  const withBaseMeta = (meta?: LogMeta) => ({
    requestId,
    ...(meta ?? {})
  });

  return {
    requestId,
    info(message: string, meta?: LogMeta) {
      consola.info(`${prefix} ${message}`, withBaseMeta(meta));
    },
    warn(message: string, meta?: LogMeta) {
      consola.warn(`${prefix} ${message}`, withBaseMeta(meta));
    },
    error(message: string, meta?: LogMeta) {
      consola.error(`${prefix} ${message}`, withBaseMeta(meta));
    },
    done(message: string = "完成", meta?: LogMeta) {
      consola.info(
        `${prefix} ${message}`,
        withBaseMeta({
          ...(meta ?? {}),
          elapsedMs: Date.now() - startedAt
        })
      );
    }
  };
};

/** 将未知错误转换为可写入日志的安全摘要，避免把 cookie/key 等响应体细节打进日志 */
export const toSafeLogError = (error: unknown) => {
  const maybeError = error as {
    message?: string;
    name?: string;
    response?: {
      status?: number;
    };
    stack?: string;
    status?: number;
    statusCode?: number;
    statusMessage?: string;
  };

  return {
    name: maybeError.name,
    message: maybeError.message ?? maybeError.statusMessage,
    status:
      maybeError.status ?? maybeError.statusCode ?? maybeError.response?.status,
    stack: maybeError.stack
  };
};