"use strict";

/**
 * CLD 办事处常量
 *
 * @author EllisRan.
 * @date 2018/9/25
 * @version
 */
const crypto = require("crypto");
const axios = require("axios");

const category = {
  // ANHUI: 2,
  GANSU: 3,
  GUANGDONG: 4,
  GUANGXI: 5,
  JIANGXI: 6,
  SICHUAN: 7,
  CHONGQING: 8,
  NEIMENG: 9,
  ZHEJIANG: 10,
  SHANDONG: 11,
  ZONGBU: 12,
  // YUNNAN: 13,
  // GUIZHOU: 14,
  // BEIJING: 15,
  // FUJIAN: 16,
  // HAINAN: 17,
  // HEBEI: 18,
  // HENAN: 19,
  // HEILONGJIANG: 20,
  // HUBEI: 21,
  // HUNAN: 22,
  // JILIN: 23,
  // JIANGSU: 24,
  // LIAONING: 25,
  // NINGXIA: 26
};

const categoryList = [
  // {id: category.ANHUI, name: '安徽办'},
  { id: category.GANSU, name: "甘肃办" },
  { id: category.GUANGDONG, name: "广东办" },
  { id: category.GUANGXI, name: "广西办" },
  { id: category.JIANGXI, name: "江西办" },
  { id: category.SICHUAN, name: "四川办" },
  { id: category.CHONGQING, name: "重庆办" },
  { id: category.NEIMENG, name: "内蒙办" },
  { id: category.ZHEJIANG, name: "浙江办" },
  { id: category.SHANDONG, name: "山东办" },
  { id: category.ZONGBU, name: "总部" },
  // {id: category.YUNNAN, name: '云南办'},
  // {id: category.GUIZHOU, name: '贵州办'},
  // {id: category.BEIJING, name: '北京办'},
  // {id: category.FUJIAN, name: '福建办'},
  // {id: category.HAINAN, name: '海南办'},
  // {id: category.HEBEI, name: '河北办'},
  // {id: category.HENAN, name: '河南办'},
  // {id: category.HEILONGJIANG, name: '黑龙江办'},
  // {id: category.HUBEI, name: '湖北办'},
  // {id: category.HUNAN, name: '湖南办'},
  // {id: category.JILIN, name: '吉林办'},
  // {id: category.JIANGSU, name: '江苏办'},
  // {id: category.LIAONING, name: '辽宁办'},
  // {id: category.NINGXIA, name: '宁夏办'}
];

const SECRET_KEY = "iIxMzQxMTQxNzMyNyIsImNhdGVnb3J5IjoiXHU";

function generateSign(params, timestamp, nonce, secretKey = SECRET_KEY) {
  // 按字母顺序排序参数
  const sortedKeys = Object.keys(params).sort();

  // 拼接参数字符串：key1=value1&key2=value2&...
  const queryString = sortedKeys
    .map((key) => `${key}=${params[key]}`)
    .join("&");

  // 添加 timestamp 和 nonce
  const stringToSign = `${queryString}&timestamp=${timestamp}&nonce=${nonce}`;

  console.log("待签名字符串:", stringToSign);

  // 生成 HMAC-SHA256 签名
  const sign = crypto
    .createHmac("sha256", secretKey)
    .update(stringToSign)
    .digest("hex");

  return sign;
}

async function getCategoryList() {
  try {
    const timestamp = Math.floor(Date.now() / 1000).toString();
    const nonce = crypto.randomBytes(16).toString("hex");
    const params = {};
    const sign = generateSign(params, timestamp, nonce);

    const response = await axios.get(
      "https://zhcld.com/external/building/department",
      {
        headers: {
          "X-Building-Timestamp": timestamp,
          "X-Building-Sign": sign,
          "X-Building-Nonce": nonce,
        },
      },
    );

    return response.data.data || [];
  } catch (err) {
    console.error("getCategoryList error:", err);
    return [];
  }
}

export { category as default, categoryList as List, getCategoryList };