app-starlock/star_lock/lib/mine/addLock/nearbyLock/nearbyLock_logic.dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';

import 'package:crypto/crypto.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter_blue_plus/flutter_blue_plus.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:get/get.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:star_lock/blue/io_protocol/io_getPrivateKey.dart';
import 'package:star_lock/blue/io_protocol/io_getPublicKey.dart';
import 'package:star_lock/blue/io_protocol/io_otaUpgrade.dart';
import 'package:star_lock/blue/io_protocol/io_processOtaUpgrade.dart';
import 'package:star_lock/mine/addLock/nearbyLock/nearbyLock_page.dart';
import 'package:star_lock/permission/permission_dialog.dart';
import 'package:star_lock/tools/baseGetXController.dart';

import '../../../appRouters.dart';
import '../../../app_settings/app_settings.dart';
import '../../../blue/blue_manage.dart';
import '../../../blue/io_protocol/io_getStarLockStatusInfo.dart';
import '../../../blue/io_reply.dart';
import '../../../blue/io_tool/io_tool.dart';
import '../../../blue/io_tool/manager_event_bus.dart';
import '../../../blue/sender_manage.dart';
import '../../../tools/storage.dart';
import 'nearbyLock_state.dart';

class NearbyLockLogic extends BaseGetXController {
  final NearbyLockState state = NearbyLockState();

  int otaCount = 0;
  int otaIndex = 0;
  Uint8List? otaBin;
  int startSecond = 0;
  Map? headJson;

  String? deviceName;
  StreamSubscription<Reply>? _replySubscription;

  // 点击连接设备
  void connect(String deviceName) {
    showTitleEasyLoading("获取锁信息 1/3");
    // if(state.sureBtnState.value == 1){
    //   return;
    // }
    // state.sureBtnState.value = 1;

    // showEasyLoading();
    showBlueConnetctToastTimer(action: () {
      dismissEasyLoading();
      // state.sureBtnState.value = 0;
    });
    BlueManage().bludSendData(deviceName,
        (BluetoothConnectionState state) async {
      AppLog.log("点击要添加的设备了");
      if (state == BluetoothConnectionState.connected) {
        AppLog.log("开始获取公钥");
        IoSenderManage.getPublicKey(lockId: deviceName);
      } else if (state == BluetoothConnectionState.disconnected) {
        dismissEasyLoading();
      }
    }, isAddEquipment: true);
  }

  void _initReplySubscription() {
    _replySubscription =
        EventBusManager().eventBus!.on<Reply>().listen((reply) {
      if (reply is GetPublicKeyReply) {
          _replyGetPublicKey(reply);
      }

      if (reply is GetPrivateKeyReply) {
        _replyGetPrivateKeyKey(reply);
      }

      // 获取锁状态信息
      if (reply is GetStarLockStatuInfoReply) {
        _replyGetStarLockStatusInfo(reply);
      }

      if (reply is OTAUpgradeReply) {
        if (reply.status == 0x00) {
          //验证通过，开始发送数据包
          dismissEasyLoading();
          startOTAData();
          processOtaUpgrade();
        } else if (reply.status == 0x06) {
          blueOTAUpgrade(headJson!, reply.token);
        }
      } else if (reply is ProcessOtaUpgradeReply && reply.status == 0x00) {
        otaIndex++;
        processOtaUpgrade();
      } else if (reply is ConfirmationOTAUpgradeReply && reply.status == 0x00) {
        showToast('固件升级完成'.tr);
        closeOTADAta();
      }
    });
  }

  Future<void> _replyGetPublicKey(Reply reply) async {
    // dismissEasyLoading();

    // 获取公钥
    switch (reply.status) {
      case 0x00:
        //成功
        AppLog.log("获取公钥成功");
        // 储存公钥
        var publicKey = reply.data.sublist(3);
        var saveStrList = changeIntListToStringList(publicKey);
        Storage.setStringList(saveBluePublicKey, saveStrList);

        // 获取私钥
        AppLog.log("开始获取私钥");
        showTitleEasyLoading("获取锁信息 2/3");
        IoSenderManage.getPrivateKey(
            lockId: BlueManage().connectDeviceName,
            keyID: "1",
            authUserID: await Storage.getUid(),
            nowTime: DateTime.now().millisecondsSinceEpoch ~/ 1000,
            publicKeyData: publicKey,
            needAuthor: 1);
        break;
      default:
        // state.sureBtnState.value = 0;
        AppLog.log("获取公钥失败");
        break;
    }
  }

  Future<void> _replyGetPrivateKeyKey(Reply reply) async {
    switch (reply.status) {
      case 0x00:
        AppLog.log("获取私钥成功");
        //成功
        reply.data.removeAt(0);

        // 私钥
        List<int> privateKey = reply.data.sublist(0, 16);
        var savePrivateKeyList = changeIntListToStringList(privateKey);
        Storage.setStringList(saveBluePrivateKey, savePrivateKeyList);

        // signKey
        List<int> signKey = reply.data.sublist(16, 32);
        var saveSignKeyList = changeIntListToStringList(signKey);
        Storage.setStringList(saveBlueSignKey, saveSignKeyList);

        // 时间戳
        List<int> timestamp = reply.data.sublist(32, 36);
        state.timestampValue = ((0xff & timestamp[(0)]) << 24 |
            (0xff & timestamp[1]) << 16 |
            (0xff & timestamp[2]) << 8 |
            (0xFF & timestamp[3]));

        showTitleEasyLoading("获取锁信息 3/3");
        _getStarLockStatus();
        break;
      default:
        // state.sureBtnState.value = 0;
        break;
    }
  }

  // 获取星锁状态
  Future<void> _replyGetStarLockStatusInfo(Reply reply) async {
    int status = reply.data[2];
    switch (status) {
      case 0x00:
        //成功
        AppLog.log("获取锁状态成功");
        // 厂商名称
        var vendor = reply.data.sublist(3, 23);
        var vendorStr = utf8String(vendor);
        state.lockInfo["vendor"] = vendorStr;
        // state.lockInfo["vendor"] = "XL";
        AppLog.log("厂商名称 vendorStr:$vendorStr");

        // 锁设备类型
        var product = reply.data[23];
        state.lockInfo["product"] = product;
        AppLog.log("锁设备类型 product:$product");

        // 产品名称
        var model = reply.data.sublist(24, 44);
        var modelStr = utf8String(model);
        state.lockInfo["model"] = modelStr;
        // state.lockInfo["model"] = "JL-BLE-01";
        AppLog.log("产品名称 mmodelStr:$modelStr");

        // 软件版本
        var fwVersion = reply.data.sublist(44, 64);
        var fwVersionStr = utf8String(fwVersion);
        state.lockInfo["fwVersion"] = fwVersionStr;
        AppLog.log("软件版本 fwVersionStr:$fwVersionStr");

        // 硬件版本
        var hwVersion = reply.data.sublist(64, 84);
        var hwVersionStr = utf8String(hwVersion);
        state.lockInfo["hwVersion"] = hwVersionStr;
        AppLog.log("硬件版本 hwVersionStr:$hwVersionStr");

        // 厂商序列号
        var serialNum0 = reply.data.sublist(84, 100);
        var serialNum0Str = utf8String(serialNum0);
        state.lockInfo["serialNum0"] = serialNum0Str;
        // state.lockInfo["serialNum0"] = "${DateTime.now().millisecondsSinceEpoch ~/ 10}";
        AppLog.log("厂商序列号 serialNum0Str:${serialNum0Str.length}");

        // 成品商序列号
        var serialNum1 = reply.data.sublist(100, 116);
        var serialNum1Str = utf8String(serialNum1);
        state.lockInfo["serialNum1"] = serialNum1Str;
        AppLog.log("成品商序列号 serialNum1Str:$serialNum1Str");

        // 蓝牙名称
        var btDeviceName = reply.data.sublist(116, 132);
        var btDeviceNameStr = utf8String(btDeviceName);
        state.lockInfo["btDeviceName"] = btDeviceNameStr;
        AppLog.log("蓝牙名称 btDeviceNameStr:$btDeviceNameStr");

        // 电池剩余电量
        var battRemCap = reply.data[132];
        state.lockInfo["electricQuantity"] = battRemCap;
        AppLog.log("电池剩余电量 battRemCap:$battRemCap");

        // 备用电池剩余电量
        // var battRemCapStandby = reply.data[133];
        // state.lockInfo["electricQuantityStandby"] = battRemCapStandby;
        // AppLog.log("电池剩余电量 battRemCap:$battRemCap");

        // 重置次数
        var restoreCounter = reply.data.sublist(133, 135);
        state.lockInfo["restoreCount"] =
            restoreCounter[0] * 256 + restoreCounter[1];
        AppLog.log(
            "重置次数 restoreCounter:${restoreCounter[0] * 256 + restoreCounter[1]}");

        // 重置时间
        var restoreDate = reply.data.sublist(135, 139);
        int restoreDateValue = ((0xff & restoreDate[(0)]) << 24 |
            (0xff & restoreDate[1]) << 16 |
            (0xff & restoreDate[2]) << 8 |
            (0xFF & restoreDate[3]));
        // String restoreDateStr = DateTool().dateToYMDHNSString(restoreDateValue.toString());
        state.lockInfo["restoreDate"] = restoreDateValue * 1000;
        AppLog.log("重置时间 restoreDateValue:$restoreDateValue");

        // 主控芯片型号
        var icPartNo = reply.data.sublist(139, 149);
        var icPartNoStr = utf8String(icPartNo);
        state.lockInfo["icPartNo"] = icPartNoStr;
        AppLog.log("主控芯片型号 icPartNoStr:$icPartNoStr");

        // 有效时间
        var indate = reply.data.sublist(149, 153);
        int indateValue = ((0xff & indate[(0)]) << 24 |
            (0xff & indate[1]) << 16 |
            (0xff & indate[2]) << 8 |
            (0xFF & indate[3]));
        // String indateStr = DateTool().dateToYMDHNSString("$indateValue");
        state.lockInfo["indate"] = indateValue * 1000;
        AppLog.log("有效时间 indateValue:$indateValue");

        // mac地址
        var macAddress = reply.data.sublist(153, 173);
        var macAddressStr = utf8String(macAddress);
        state.lockInfo["mac"] = macAddressStr;
        AppLog.log("mac地址 macAddressStr:$macAddressStr");

        var index = 173;
        // 锁特征值字符串长度
        var featureValueLength = reply.data[index];
        AppLog.log("锁特征值字符串长度 featureValueLength:$featureValueLength");

        // 锁特征值说明(本机能支持的功能)
        // 获取到锁给的字符数组
        var featureNetxLength = index + featureValueLength + 1;
        if (reply.data.length < featureNetxLength) {
          showToast("锁数据异常，请重试");
          return;
        }
        var featureValue =
            reply.data.sublist(index + 1, index + featureValueLength + 1);
        String featureValueStr = asciiString(featureValue);
        state.featureValue = featureValueStr;
        // List allFeatureValueTwoList = charListChangeIntList(featureValue);
        // AppLog.log("featureValueLength:$featureValueLength featureValue:$featureValue  \n featureValueStr:$featureValueStr");
        index = index + featureValueLength + 1;
        AppLog.log("锁特征值字符串 featureValueStr:$featureValueStr");

        // 使能特征值字符串长度
        var featureEnValLength = reply.data[index];
        AppLog.log("使能特征值字符串长度 featureEnValLength:$featureEnValLength");

        // 使能锁特征值说明(本机启用的功能)
        var featureEnNextLength = index + featureEnValLength + 1;
        if (reply.data.length < featureEnNextLength) {
          showToast("锁数据异常，请重试");
          return;
        }
        var featureEnVal =
            reply.data.sublist(index + 1, index + featureEnValLength + 1);
        String featureEnValStr = asciiString(featureEnVal);
        state.featureSettingValue = featureEnValStr;
        // List allFeatureEnValTwoList = charListChangeIntList(featureEnVal);
        // AppLog.log("featureEnValLength:$featureEnValLength featureEnVal:$featureEnVal \n featureEnValStr:$featureEnValStr");
        index = index + featureEnValLength + 1;
        AppLog.log("使能锁特征值说明 featureEnValStr:$featureEnValStr");

        // 支持的带参数特征值的总条目数
        // var featureParaTotal = reply.data[index];

        var featureParaTotalList = reply.data.sublist(index);
        state.featureSettingParams = featureParaTotalList;
        AppLog.log("featureParaTotalList:$featureParaTotalList");

        Get.toNamed(Routers.lockAddressGaoDePage, arguments: {
          "pwdTimestamp": state.timestampValue * 1000,
          "lockInfo": state.lockInfo,
          "featureValue": state.featureValue,
          "featureSettingValue": state.featureSettingValue,
          "featureSettingParams": state.featureSettingParams,
        });

        break;
      case 0x06:
        //无权限
        var privateKey = await Storage.getStringList(saveBluePrivateKey);
        List<int> getPrivateKeyList = changeStringListToIntList(privateKey!);
        // IoSenderManage.senderGetLockStatu(
        //   lockID:BlueManage().connectDeviceName,
        //   userID:await Storage.getUid(),
        //   privateKey:getPrivateKeyList,
        // );
        IoSenderManage.senderGetStarLockStatuInfo(
          lockID: BlueManage().connectDeviceName,
          userID: await Storage.getUid(),
          isBeforeAddUser: true,
          privateKey: getPrivateKeyList,
        );

        break;
      default:
        //失败
        // state.sureBtnState.value = 0;
        break;
    }
  }

  // 获取锁状态
  Future<void> _getStarLockStatus() async {
    // 进来之后首先连接
    // BlueManage().bludSendData(BlueManage().connectDeviceName, (BluetoothConnectionState state) async {
    //   if (state == BluetoothConnectionState.connected) {
    //     dismissEasyLoading();

    AppLog.log("开始获取锁状态");
    var privateKey = await Storage.getStringList(saveBluePrivateKey);
    List<int> getPrivateKeyList = changeStringListToIntList(privateKey!);
    // IoSenderManage.senderGetLockStatu(
    //   lockID:BlueManage().connectDeviceName,
    //   userID:await Storage.getUid(),
    //   privateKey:getPrivateKeyList,
    // );
    IoSenderManage.senderGetStarLockStatuInfo(
      lockID: BlueManage().connectDeviceName,
      userID: await Storage.getUid(),
      isBeforeAddUser: true,
      privateKey: getPrivateKeyList,
    );
    //   } else if (state == BluetoothConnectionState.disconnected) {
    //     dismissEasyLoading();
    //   }
    // }, isAddEquipment: true);
  }

  void startScanBlueList() {
    BlueManage().startScan(2000, (List<ScanResult> list) {
      state.devices.clear();
      for (int i = 0; i < list.length; i++) {
        ScanResult device = list[i];
        if (((device.advertisementData.serviceUuids.isNotEmpty
                    ? device.advertisementData.serviceUuids[0]
                    : "")
                .toString()[31] !=
            "1")) {
          state.devices.add(list[i]);
        }
      }
    });
  }

  void stopScanBlueList() {
    BlueManage().disconnect();
    BlueManage().stopScan();
  }

  // 点击连接设备,升级 ota 固件
  void oTAUpgrade(String deviceName) {
    showTitleEasyLoading("连接设备中...");
    this.deviceName = deviceName;
    BlueManage().bludSendData(deviceName,
        (BluetoothConnectionState state) async {
      AppLog.log("连接设备");
      if (state == BluetoothConnectionState.connected) {
        AppLog.log("连接成功");
        dismissEasyLoading();
        otaUpdate();
      } else if (state == BluetoothConnectionState.disconnected) {
        AppLog.log("连接失败");
        dismissEasyLoading();
      }
    }, isAddEquipment: true);
  }

  //手动升级
  Future<void> otaUpdate() async {
    var status = await PermissionDialog.request(
        Permission.storage, '需要访问读写权限才能使用手动升级固件'.tr);
    if (status != true) {
      return;
    }
    FilePickerResult? result = await FilePicker.platform.pickFiles();
    if (result == null || result.files.single.path is! String) {
      return;
    }
    File file = File(result.files.single.path!);
    Uint8List data = await file.readAsBytes();
    headJson = await getHeadFile(data);
    if (headJson is! Map) {
      return;
    }
    otaBin = await checkFile(data, headJson!);
    if (otaBin == null) {
      return;
    }
    String md5Str = md5.convert(otaBin!).toString();
    headJson!['fwMd5'] = md5Str;
    blueOTAUpgrade(headJson!, [0, 0, 0, 0]);
  }

  //蓝牙操作 ota 升级
  void blueOTAUpgrade(Map data, List<int> token) {
    if (deviceName == null) {
      AppLog.log('blueOTAUpgrade:设备名字为 null');
      return;
    }
    BlueManage().bludSendData(deviceName!,
        (BluetoothConnectionState deviceConnectionState) async {
      if (deviceConnectionState == BluetoothConnectionState.connected) {
        String uid = await Storage.getUid() ?? '';
        BlueManage().writeCharacteristicWithResponse(OTAUpgradeCommand(
          lockID: deviceName,
          userID: uid,
          keyID: deviceName,
          platform: int.tryParse(data['platform']) ?? 0,
          product: int.tryParse(data['product']) ?? 0,
          hwVersion: data['hwVersion'],
          fwVersion: data['fwVersion'],
          fwSize: data['fwSize'],
          fwMD5: data['fwMd5'],
          needAuthor: 1,
          token: token,
          encrypt: false,
        ).packageData());
        showTitleEasyLoading("连接设备中...");
      } else if (deviceConnectionState ==
          BluetoothConnectionState.disconnected) {}
    },isAddEquipment: true);
  }

  //循环传输升级固件包
  Future<void> processOtaUpgrade() async {
    if (!state.otaUpdateIng.value) {
      return;
    }
    int length = otaBin?.length ?? 0;
    if (otaCount == 0) {
      //首次
      int difference = length % 240;
      otaCount = length ~/ 240 + (difference > 0 ? 1 : 0);
      startSecond = DateTime.now().millisecondsSinceEpoch ~/ 1000;
    }
    if (otaCount <= otaIndex) {
      int now = DateTime.now().millisecondsSinceEpoch ~/ 1000;
      String msg =
          '传输完成 时间：${now - startSecond}秒 otaCount:$otaCount otaIndex:$otaIndex ';
      closeOTADAta();
      AppLog.log(msg);
      // showToast(msg);
      return;
    }
    int star = otaIndex * 240;
    int end = (otaIndex + 1) * 240;
    if (end > length) {
      end = length;
    }
    int size = end - star;
    List<int> data = otaBin!.sublist(star, end);
    state.otaProgress.value = otaIndex / otaCount;
    await BlueManage().writeCharacteristicWithResponse(
        ProcessOtaUpgradeCommand(index: otaIndex, size: size, data: data)
            .packageData());
  }

  //开始 ota升级
  void startOTAData() {
    state.otaUpdateIng.value = true;
    state.oTAProgressDialog = true;
    Get.dialog(
            OTAProgressDialog(
              logic: this,
            ),
            barrierDismissible: false)
        .then((value) => state.oTAProgressDialog = false);
  }

  //清楚 ata 安装文件
  void closeOTADAta() {
    if (state.oTAProgressDialog) {
      Get.back();
    }
    state.otaUpdateIng.value = false;
    state.otaProgress.value = 0;
    otaIndex = 0;
    otaCount = 0;
    startSecond = 0;
    otaBin = null;
  }

  // 拦截返回事件
  void getBack() {
    if (state.otaUpdateIng.value) {
      closeOTADAta();
    } else {
      Get.back();
    }
  }

// 检查文件头
  Future<Map?> getHeadFile(Uint8List data) async {
    if (data.length <= 16) {
      showToast('错误固件，请选择正确的文件'.tr);
      return null;
    }
    // 检查文件头
    String header;
    try {
      header = utf8.decode(data.sublist(0, 12));
    } catch (e) {
      showToast('非SYD固件，请选择正确的文件'.tr);
      return null;
    }
    if (header != 'SYD-BIN-DATA') {
      showToast('非SYD固件，请选择正确的文件'.tr);
      return null;
    }
    // 解析元数据长度
    Uint8List metaLenList;
    int metaLen;
    try {
      metaLenList = data.sublist(12, 16);
      metaLen = ByteData.sublistView(metaLenList).getUint32(0);
    } catch (e) {
      showToast('文件校验失败 0x01'.tr);
      return null;
    }
    if (metaLen < 2 || metaLen > 10240) {
      showToast('文件校验失败 0x01'.tr);
      return null;
    }
    // 读取和解析元数据
    Uint8List metaStrList;
    String metaStr;
    try {
      metaStrList = data.sublist(16, 16 + metaLen);
      metaStr = utf8.decode(metaStrList);
    } catch (e) {
      showToast('解析元数据失败，请选择正确的文件'.tr);
      return null;
    }
    AppLog.log(metaStr);
    var meta = jsonDecode(metaStr);
    if (meta is! Map) {
      showToast('解析元数据失败，请选择正确的文件'.tr);
      return null;
    }
    return meta..['metaLen'] = metaLen;
  }

  //检测升级文件并读取 bin
  Future<Uint8List?> checkFile(Uint8List data, Map meta) async {
    num binOffset = 16 + (meta['metaLen'] ?? 0);
    // 获取固件数据部分
    Uint8List bin = data.sublist(binOffset.toInt(), data.length);
    //md5 校验有问题，暂时不解析
    String md5Str = md5.convert(bin).toString().toUpperCase();
    AppLog.log('---> $md5Str ${meta['fwMd5']}');
    if (md5Str != meta['fwMd5']) {
      showToast('文件校验失败 0x02'.tr);
      return null;
    }
    if (bin.length != meta['fwSize']) {
      showToast('文件校验失败 0x03'.tr);
      return null;
    }
    return bin;
  }

  @override
  void onReady() {
    super.onReady();
    _initReplySubscription();
    state.ifCurrentScreen.value = true;
    startScanBlueList();
  }

  @override
  void onInit() {
    super.onInit();
  }

  @override
  void onClose() {
    super.onClose();
    _replySubscription?.cancel();
  }
}