import 'dart:convert';
import '../io_tool/io_tool.dart';
import '../sm4Encipher/sm4.dart';
import '../io_reply.dart';
import '../io_sender.dart';
import '../io_type.dart';
import 'package:crypto/crypto.dart' as crypto;

//TODO:开门
class OpenLockCommand extends SenderProtocol {
  String? keyID;
  String? userID;
  int? openMode;
  int? openTime;
  List<int>? token;
  int? needAuthor;
  List<int>? signKey;
  List<int>? privateKey;
  OpenLockCommand({
    this.keyID,
    this.userID,
    this.openMode,
    this.openTime,
    this.token,
    this.needAuthor,
    this.signKey,
    this.privateKey
  }) : super(CommandType.openLock);

  @override
  List<int> messageDetail() {
    List<int> data = [];
    List<int> ebcData = [];

    // 指令类型
    int type = commandType!.typeValue;
    double typeDouble = type / 256;
    int type1 = typeDouble.toInt();
    int type2 = type % 256;
    data.add(type1);
    data.add(type2);

    //KeyID  40
    int keyIDLength = utf8.encode(keyID!).length;
    data.addAll(utf8.encode(keyID!));
    data = getFixedLengthList(data, 40 - keyIDLength);

    //userID 要接受钥匙的用户的useid  20
    int userIDLength = utf8.encode(userID!).length;
    print("openDoorUserId:${utf8.encode(userID!)} utf8.encode(userID!).length:${utf8.encode(userID!).length}");
    data.addAll(utf8.encode(userID!));
    data = getFixedLengthList(data, 20 - userIDLength);

    // openModel
    data.add(openMode!);

    // OpenTime  4
    int? d1 = openTime;
    // var testData = [];
    // testData.add((d1! & 0xff000000) >> 24);
    // testData.add((d1 & 0xff0000) >> 16);
    // testData.add((d1 & 0xff00) >> 8);
    // testData.add((d1 & 0xff));
    //
    // int value = (
    //     (0xff & testData[(0)]) << 24 |
    //     (0xff & testData[1]) << 16 |
    //     (0xff & testData[2]) << 8 |
    //     (0xFF & testData[3]));
    // print("d1:$d1 testData:$testData value：$value");

    data.add((d1! & 0xff000000) >> 24);
    data.add((d1 & 0xff0000) >> 16);
    data.add((d1 & 0xff00) >> 8);
    data.add((d1 & 0xff));

    // token 长度4  首次请求 Token 填 0，如果锁需要鉴权 操作者身份，则会分配动态口令并在应答消息中返回，二次请求时带上。 当token失效或者第一次发送的时候token为0
    data.addAll(token!);
    print("pubToken:$token");

    if(needAuthor == 0){
      //AuthCodeLen  1
      data.add(0);
    } else {
      List<int> authCodeData = [];
      //KeyID
      authCodeData.addAll(utf8.encode(keyID!));

      //UserID
      authCodeData.addAll(utf8.encode(userID!));

      //token 4 首次请求 Token 填 0，如果锁需要鉴权操作者身份，则会分配动态口令并在应答消息中返回，二次请求时带上。
      authCodeData.addAll(token!);

      authCodeData.addAll(signKey!);

      // 把KeyID、authUserID、时间戳、公钥通过md5加密之后就是authCode
      var authCode = crypto.md5.convert(authCodeData);

      data.add(authCode.bytes.length);
      data.addAll(authCode.bytes);
    }

    if ((data.length % 16) != 0) {
      int add = (16 - data.length % 16);
      for (int i = 0; i < add; i++) {
        data.add(0);
      }
    }
    print("${commandType!.typeName} SM4Data:$data");
    // 拿到数据之后通过LockId进行SM4 ECB加密 key:544d485f633335373034383064613864
    ebcData = SM4.encrypt(data, key: privateKey, mode: SM4CryptoMode.ECB);
    return ebcData;
  }
}

class OpenDoorReply extends Reply {
  OpenDoorReply.parseData(CommandType commandType, List<int> dataDetail)
      : super.parseData(commandType, dataDetail) {
    data = dataDetail;
  }
}