/**
 *
 * @file EncryptUtil.ts
 * @author dream
 * @description 一些加密解密方法
 *
 */

import SDK from "../SDK";
import Utils from "./Utils";

// let keyStr = ["AabB1122CcdDEfgg","Xianyou2021jjrfk","CMi89Egjd233pOKs"]
let keyStr = ["","","CMi89Egjd233pOKs"]
let keyCode ="1qazQAZ2wsxWSX3edcEDC4rfvRFV5tgbTGB6yhnYHN7ujmUJM8ikIK9olOL0pP"
let ivKey = "GhCMeiV16WkB4kFf"
let counts = [,,14];

export enum EncryptType{
    ED_CM = 2
}

export module EncryptUtil {

 export function en(word:string){
    // if(SDK.Instance.edType === EncryptType.ED_ZC){
    //     return encrypt(word);
    // }else 
    // if(SDK.Instance.edType === EncryptType.ED_XY){
    //     return desEncrypt(word);
    // }
    // else 
    if(SDK.Instance.edType === EncryptType.ED_CM){
        return encryptIv(word);
    }
    return null;
 }

 export function de(word:string){
// if(SDK.Instance.edType === EncryptType.ED_ZC){
//     return decrypt(word);
//     }else 
    // if(SDK.Instance.edType === EncryptType.ED_XY){
    //     return desDecrypt(word);
    // }
    // else 
    if(SDK.Instance.edType === EncryptType.ED_CM){
        return decryptIv(word);
    }
    return null;
 }


//      // 97-122，A-Z：65-90，0-9：48-57。
//   //加密
export function encryptIv(word:string){ 
    let keys = keyStr[SDK.Instance.edType];
	var key  = CryptoJS.enc.Utf8.parse(keys);//Latin1 w8m31+Yy/Nw6thPsMpO5fg==
	var srcs = CryptoJS.enc.Utf8.parse(word);
	var encrypted = CryptoJS.AES.encrypt(word, key, {iv:CryptoJS.enc.Utf8.parse(ivKey),mode:CryptoJS.mode.CBC,padding: CryptoJS.pad.Pkcs7});
    let code ="";
    let count = counts[SDK.Instance.edType];
    for(let i = 1 ; i <= count ; i++){
       let index =  Utils.instance.getRandomInt(1,keyCode.length);
       code+=keyCode.substring(index-1,index);
    }
	return code+encrypted.toString();
}
// //解密
// export function decrypt(word, keyStr){  
    export function decryptIv(word:string){  
        let count = counts[SDK.Instance.edType];
        let keys = keyStr[SDK.Instance.edType];
        word = word.substring(count,word.length);
        var key  = CryptoJS.enc.Utf8.parse(keys);//Latin1 w8m31+Yy/Nw6thPsMpO5fg==
        var decrypt = CryptoJS.AES.decrypt(word, key, {iv:CryptoJS.enc.Utf8.parse(ivKey),mode:CryptoJS.mode.CBC,padding: CryptoJS.pad.Pkcs7});
        return CryptoJS.enc.Utf8.stringify(decrypt).toString();
    }

//     // 97-122，A-Z：65-90，0-9：48-57。
//   //加密
// // export function encrypt(word, keyStr){ 
// export function encrypt(word:string){ 
//     let keys = keyStr[SDK.Instance.edType];
// 	var key  = CryptoJS.enc.Utf8.parse(keys);//Latin1 w8m31+Yy/Nw6thPsMpO5fg==
// 	var srcs = CryptoJS.enc.Utf8.parse(word);
// 	var encrypted = CryptoJS.AES.encrypt(srcs, key, {mode:CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7});
//     let code ="";
//     let count = counts[SDK.Instance.edType];
//     for(let i = 1 ; i <= count ; i++){
//        let index =  Utils.instance.getRandomInt(1,keyCode.length);
//        code+=keyCode.substring(index-1,index);
//     }
// 	return code+encrypted.toString();
// }
 
// //解密
// // export function decrypt(word, keyStr){  
// export function decrypt(word:string){  
//     let count = counts[SDK.Instance.edType];
//     let keys = keyStr[SDK.Instance.edType];
//     word = word.substring(count,word.length);
// 	var key  = CryptoJS.enc.Utf8.parse(keys);//Latin1 w8m31+Yy/Nw6thPsMpO5fg==
// 	var decrypt = CryptoJS.AES.decrypt(word, key, {mode:CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7});
// 	return CryptoJS.enc.Utf8.stringify(decrypt).toString();
// }

// export function desEncrypt(word:string){
//     let keys = keyStr[SDK.Instance.edType];
// 	var key  = CryptoJS.enc.Utf8.parse(keys);//Latin1 w8m31+Yy/Nw6thPsMpO5fg==
// 	var srcs = CryptoJS.enc.Utf8.parse(word);
// 	var encrypted = CryptoJS.DES.encrypt(srcs, key, {mode:CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7});
//     let code ="";
//     let count = counts[SDK.Instance.edType];
//     for(let i = 1 ; i <= count ; i++){
//        let index =  Utils.instance.getRandomInt(1,keyCode.length);
//        code+=keyCode.substring(index-1,index);
//     }
//     // console.log("code: "+code);
// 	return code+encrypted.toString();
// }
 
// //解密
// // export function decrypt(word, keyStr){  
// export function desDecrypt(word:string){ 
//     let count = counts[SDK.Instance.edType];
//     let keys = keyStr[SDK.Instance.edType];
//     word = word.substring(count,word.length);
// 	var key  = CryptoJS.enc.Utf8.parse(keys);//Latin1 w8m31+Yy/Nw6thPsMpO5fg==
// 	var decrypt = CryptoJS.DES.decrypt(word, key, {mode:CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7});
// 	return CryptoJS.enc.Utf8.stringify(decrypt).toString();
// }

}