/*
 * @Author: gaorf30153 gaorf30153@hundsun.com
 * @Date: 2024-06-20 09:16:20
 * @LastEditors: gaorf30153 gaorf30153@hundsun.com
 * @LastEditTime: 2024-06-24 11:20:29
 * @FilePath: \wxminipro\plugin\crypto\aesutils.js
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 */
import { sm4 as SM4 } from "../gm-crypt/index.js"
import { configObj } from "../config.js"
import CryptoJS from "./crypto-js.js"

class Crypt {
	constructor() {
		const key = configObj.key
		this.sm4Util = new SM4({
			key,
			mode: "ecb",
			cipherType: "base64",
		})
	}
	encrypt(data) {
		return this.sm4Util.encrypt(data)
	}
	decrypt(data) {
		return this.sm4Util.decrypt(data)
	}
}

export let cryptUtil = new Crypt()

/**
 * 加密（依赖aes.js）
 * @param word 加密的字符串
 * @returns {*}
 */
export function encrypt(word, encryptKey) {
    if (encryptKey.length > 16) {
      encryptKey = encryptKey.substring(0, 16)
    }
    var key = CryptoJS.enc.Utf8.parse(encryptKey)
    var srcs = CryptoJS.enc.Utf8.parse(word)
    var encrypted = CryptoJS.AES.encrypt(srcs, key, {
      mode: CryptoJS.mode.ECB,
      padding: CryptoJS.pad.Pkcs7
    })
    return encrypted.toString()
  }
  
  /**
   * 解密
   * @param word 解密的字符串
   * @returns {*}
   */
  export function decrypt(word, encryptKey) {
    if (encryptKey.length > 16) {
      encryptKey = encryptKey.substring(0, 16)
    }
    var key = CryptoJS.enc.Utf8.parse(encryptKey)
    var decrypts = CryptoJS.AES.decrypt(word, key, {
      mode: CryptoJS.mode.ECB,
      padding: CryptoJS.pad.Pkcs7
    })
    var minWen = CryptoJS.enc.Utf8.stringify(decrypts).toString()
    return minWen
  }