// signatureUtil.js
import md5 from "js-md5";
let env_secret = process.env.VUE_APP_SECRET
export function signatureGenerate() {
    // 参数签名 密钥 + 时间戳 + header参数 + url
    // 密钥
    let secret = env_secret
    // 时间戳
    let timestamp = Math.floor(new Date().getTime() / 1000)
    // token
    // let token = params.token
    // // post参数
    // let dataStr = dataSerialize(dataSort(params))
    // 生成签名
    // let str = dataStr + "secret=" + secret + "&timestamp=" + timestamp + "&url=" + url
    let str = secret + timestamp
    const sign = md5(str)
    return {
        signature: sign.toUpperCase(),
        timestamp,
    }
}

// 参数排序
function dataSort(obj) {
    if (JSON.stringify(obj) == "{}" || obj == null) {
        return {}
    }
    let key = Object.keys(obj)?.sort()
    let newObj = {}
    for (let i = 0; i < key.length; i++) {
        newObj[key[i]] = obj[key[i]]
    }
    return newObj
}

// 参数序列化
function dataSerialize(sortObj) {
    let strJoin = ''
    for (let key in sortObj) {
        strJoin += key + "=" + sortObj[key] + "&"
    }

    // return strJoin.substring(0, strJoin.length - 1)
    return strJoin
}