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;

/// 发送授权码
class SenderAuthorizationCodeCommand extends SenderProtocol {
  SenderAuthorizationCodeCommand({
    this.lockID,
    this.uuid,
    this.key,
    this.mac,
    this.platform,
    this.utcTimeStamp,
    this.token,
    this.needAuthor,
    this.publicKey,
    this.privateKey,
  }) : super(CommandType.sendAuthorizationCode);

  String? lockID;
  String? uuid;
  String? key;
  String? mac;
  int? platform; //0：锁通通；1：涂鸦智能
  int? utcTimeStamp;

  List<int>? token;
  int? needAuthor;
  List<int>? publicKey;
  List<int>? privateKey;

  @override
  String toString() {
    return 'SenderAuthorizationCodeCommand{ lockID: $lockID, token: $token, '
        'needAuthor: $needAuthor, publicKey: $publicKey, '
        'privateKey: $privateKey}';
  }

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

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

    // 锁id 40
    final int lockIDLength = utf8.encode(lockID!).length;
    data.addAll(utf8.encode(lockID!));
    data = getFixedLengthList(data, 40 - lockIDLength);

    // uuid 40
    final int uuidLength = utf8.encode(uuid!).length;
    data.addAll(utf8.encode(uuid!));
    data = getFixedLengthList(data, 40 - uuidLength);

    // key 40
    final int keyLength = utf8.encode(key!).length;
    data.addAll(utf8.encode(key!));
    data = getFixedLengthList(data, 40 - keyLength);

    // mac 40
    final int macLength = utf8.encode(mac!).length;
    data.addAll(utf8.encode(mac!));
    data = getFixedLengthList(data, 40 - macLength);

    data.add(platform!);

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

    if ((data.length % 16) != 0) {
      final int add = 16 - data.length % 16;
      for (int i = 0; i < add; i++) {
        data.add(0);
      }
    }

    printLog(data);

    ebcData = SM4.encrypt(data, key: privateKey, mode: SM4CryptoMode.ECB);
    return ebcData;
  }
}

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

    final int status = data[6];
    errorWithStstus(status);
  }
}