import 'dart:convert';
import 'package:encrypt/encrypt.dart';

class EncryptUtil {
  static const List<int> intList16 = [
    3,
    8,
    7,
    8,
    3,
    7,
    8,
    9,
    1,
    8,
    6,
    8,
    2,
    8,
    7,
    8
  ];

  //aes加密
  static String aesEncode0(String content) {
    try {
      final key = Key.fromBase64(base64Encode(intList16));
      final encrypter = Encrypter(AES(key, mode: AESMode.cbc));
      final encrypted =
      encrypter.encrypt(content, iv: IV.fromBase64(base64Encode(intList16)));
      return encrypted.base64;
    } catch (err) {
      print("aes encode error:$err");
      return content;
    }
  }

  //aes加密
  static String aesEncode(String content) {
    try {
      final key = Key.fromBase64(base64Encode(intList16));
      final encrypter = Encrypter(AES(key, mode: AESMode.cbc));
      final encrypted =
          encrypter.encrypt(content, iv: IV.fromBase64(base64Encode(intList16)));
      return encrypted.base64;
    } catch (err) {
      print("aes encode error:$err");
      return content;
    }
  }

  //aes解密
  static String aesDecode(String base64) {
    try {
      final key = Key.fromBase64(base64Encode(intList16));
      final encrypter = Encrypter(AES(key, mode: AESMode.cbc));
      return encrypter.decrypt64(base64,
          iv: IV.fromBase64(base64Encode(intList16)));
    } catch (err) {
      print("aes decode error:$err");
      return base64;
    }
  }

  //aes解密-dynamic
  static dynamic aesDecodeDynamic(dynamic base64) {
    try {
      final key = Key.fromBase64(base64Encode(intList16));
      final encrypter = Encrypter(AES(key, mode: AESMode.cbc));
      return encrypter.decrypt64(base64,
          iv: IV.fromBase64(base64Encode(intList16)));
    } catch (err) {
      print("aes decode error:$err");
      return base64;
    }
  }
}