import JSEncrypt from 'jsencrypt/bin/jsencrypt.min'

// 密钥对生成 http://web.chacuo.net/netrsakeypair
const publicKey1 = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsiWEvEwTJxDsLqfHJaxeXvLL200H7NiMdQ1GK+OGst3NZHX4fjYnyDkc6QCK0CgTJeNO1/UZ26Pv55C98gXH0uzitoT2XGfJY5WDISvpv9vdOBCd60urdsaW9mrst4YxUjZO5nljlWnImnpa+vmS5NHWGNZdsUvMWGEWLM/kijwIDAQAB";
const privateKey1 = "MIICeAIBADANBgkqhkiG9w0BAQEFAASCAmIwggJeAgEAAoGBAKyJYS8TBMnEOwup8clrF5e8svbTQfs2Ix1DUYr44ay3c1kdfh+NifIORzpAIrQKBMl407X9Rnbo+/nkL3yBcfS7OK2hPZcZ8ljlYMhK+m/2904EJ3rS6t2xpb2auy3hjFSNk7meWOVaciaelr6+ZLk0dYY1l2xS8xYYRYsz+SKPAgMBAAECgYEAgvrn5Cyz/dgSWxBwlU/PYUnHMsm91U+L6LMqPC4kZFIAJy7UiG+SwUdFm1sE/Vh9udUYI5ha3fqRD2vDAOnj737csBTUgpQOfp//tsyg/jX5ghAAeO8eeAs3ENwHpGVPYHnTu1kvlrW/Npn6BQ7IgbSRylTaIbOAXH7WBtI4UoECQQDXzCDaDx2iUohtmYcAzHwDU4CLmyeRCLIufD5xfjp0Oztd3mQcDJs5GYcyWJ/aDGIrs67rqwQP3ad6tq1+1WzpAkEAzK4MLGFwU295SjfYYY/TpKWyK9ijh5PWvySTxLZslr/sedLH64oo7KquhiG47JcnbBwJjqUJOeS8IbknWVkItwJBAKl88NxzfNHtwqtaJtdww4IVRmPfs37M9q1d9elLu/toPiNmtPf2yr9ZFn9rbfljOoOad6svQVx4ub6+1ZtFY2kCQBa25gDy201XHKXA5tGE7Z7jCI/XHebI4FccDw4QlKJyMCMg4jDgh0QkePPHwEb5S1WzEthytkBngv1XF+fReqcCQQCKmbA/ny8jdiraEhNYZDJXI3AOCDnUmBsGTqoxg7tk6ghqyjOeeJBIO1YTPDD2+OaCTEpZPbhK8Khyq417z7bV";
const publicKey2 = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDR8l+B4jG6mEyMW8LYoNwMAUGnbZzDoKBSB1N4o19NscpyOA5m5Yyy2PDeja+iRNOwC7KTmKynd0Qzt8kwVnZHxA+oeKpNpepMS/+felan/QDgUD3u0Tix/sxuZ7GVB2h4X39wJTfgItNC7IK1qNQSZMkBfPhSQKQktkIlPU78BwIDAQAB";
const privateKey2 = "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";
// 加密
function encrypt(txt) {
  const encryptor = new JSEncrypt()
  encryptor.setPublicKey(publicKey1) // 设置公钥
  const res=encryptor.encrypt(txt)
  return res // 对数据进行加密
}

// 解密
function decrypt(txt) {
  const encryptor = new JSEncrypt()
  encryptor.setPrivateKey(privateKey2) // 设置私钥
  return encryptor.decrypt(txt) // 对数据进行解密
}

// Convert a hex string to a byte array
    function hexToBytes(hex) {
        for (var bytes:any = [], c = 0; c < hex.length; c += 2)
            bytes.push(parseInt(hex.substr(c, 2), 16));
        return bytes;
    }

// Convert a byte array to a hex string
    function bytesToHex(bytes) {
        for (var hex:any = [], i = 0; i < bytes.length; i++) {
            hex.push((bytes[i] >>> 4).toString(16));
            hex.push((bytes[i] & 0xF).toString(16));
        }
        return hex.join("");
    }

//分段加解密---------------------------------
//方法2
export function encryptLong2(string){
    const encryptor = new JSEncrypt()
    encryptor.setPublicKey(publicKey1) // 设置公钥
    const res=encryptor.encryptLong2(string)
    return res // 对数据进行加密
};

export function decryptLong2(string) {
	const encryptor = new JSEncrypt()
	encryptor.setPrivateKey(privateKey2) // 设置私钥
	return encryptor.decryptLong2(string) // 对数据进行解密
};


//方法2
JSEncrypt.prototype.encryptLong2 = function (string) {
    var k = this.getKey();
    try {
        var lt = "";
        var ct = "";
        //RSA每次加密117bytes，需要辅助方法判断字符串截取位置
        //1.获取字符串截取点
        var bytes = new Array();
        bytes.push(0);
        var byteNo = 0;
        var len, c;
        len = string.length;
        var temp = 0;
        for (var i = 0; i < len; i++) {
            c = string.charCodeAt(i);
            if (c >= 0x010000 && c <= 0x10FFFF) {
                byteNo += 4;
            } else if (c >= 0x000800 && c <= 0x00FFFF) {
                byteNo += 3;
            } else if (c >= 0x000080 && c <= 0x0007FF) {
                byteNo += 2;
            } else {
                byteNo += 1;
            }
            if ((byteNo % 117) >= 114 || (byteNo % 117) == 0) {
                if (byteNo - temp >= 114) {
                    bytes.push(i);
                    temp = byteNo;
                }
            }
        }
        //2.截取字符串并分段加密
        if (bytes.length > 1) {
            for (var i = 0; i < bytes.length - 1; i++) {
                var str;
                if (i == 0) {
                    str = string.substring(0, bytes[i + 1] + 1);
                } else {
                    str = string.substring(bytes[i] + 1, bytes[i + 1] + 1);
                }
                var t1 = k.encrypt(str);
                ct += t1;
            }
            ;
            if (bytes[bytes.length - 1] != string.length - 1) {
                var lastStr = string.substring(bytes[bytes.length - 1] + 1);
                ct += k.encrypt(lastStr);
            }
            return ct;//hexToBytes(ct);
        }
        var t = k.encrypt(string);
        var y = t;//hexToBytes(t);
        return y;
    } catch (ex) {
        return false;
    }
};

JSEncrypt.prototype.decryptLong2 = function (string) {
	console.log("decryptLong2");
	console.log(string);
    var k = this.getKey();
    // var maxLength = ((k.n.bitLength()+7)>>3);
    var MAX_DECRYPT_BLOCK = 128;
    try {
        var ct = "";
        var t1;
        var bufTmp;
        var hexTmp;
        var str = string;//bytesToHex(string);
        var buf = hexToBytes(str);
		console.log("buf========");
		console.log(buf);
        var inputLen = buf.length;
        //开始长度
        var offSet = 0;
        //结束长度
        var endOffSet = MAX_DECRYPT_BLOCK;

        //分段加密
        while (inputLen - offSet > 0) {
            if (inputLen - offSet > MAX_DECRYPT_BLOCK) {
                bufTmp = buf.slice(offSet, endOffSet);
                hexTmp = bytesToHex(bufTmp);
				console.log("hexTmp=====1===");
				console.log(hexTmp);
                t1 = k.decrypt(hexTmp);
                ct += t1;

            } else {
                bufTmp = buf.slice(offSet, inputLen);
                hexTmp = bytesToHex(bufTmp);
				console.log("hexTmp====2====");
				console.log(hexTmp);
                t1 = k.decrypt(hexTmp);
                ct += t1;

            }
            offSet += MAX_DECRYPT_BLOCK;
            endOffSet += MAX_DECRYPT_BLOCK;
        }
        return ct;
    } catch (ex) {
        return false;
    }
};