const jwt = require("jsonwebtoken");
const md5 = require("md5");

module.exports.formatResponse = function (code, msg, data) {
  return {
    code,
    msg,
    data,
  };
};

module.exports.analysisToken = function (token) {
  return jwt.verify(token.split(" ")[1], md5(process.env.JWT_SECRET));
};

module.exports.getJwtToken = function (payload) {
  let loginPeriod = 1; //默认记住一天
  return jwt.sign(payload, md5(process.env.JWT_SECRET), {
    expiresIn: 60 * 60 * 24 * loginPeriod,
  });
};

module.exports.getRandomExpressId = function () {
  return "SF" + Math.floor(Math.random() * 1000000000000);
};

module.exports.handleArrayDaoData = function (arr) {
  const result = [];
  // for (const item of arr) {
  //     result.push(item.dataValues)
  // }
  //倒叙输出
  if (Array.isArray(arr)) {
    for (let i = arr.length - 1; i >= 0; i--) {
      result.push(arr[i].dataValues);
    }
  } else {
    result.push(arr.dataValues);
  }
  return result;
};