import 'dart:async';

import 'package:flutter_reactive_ble/flutter_reactive_ble.dart';
import 'package:get/get.dart';
import 'package:star_lock/tools/baseGetXController.dart';

import '../../../blue/blue_manage.dart';
import '../../../blue/io_tool/io_model.dart';
import '../../../blue/io_tool/manager_event_bus.dart';
import '../../../blue/sender_manage.dart';
import '../../../tools/reactiveBlueTool/getx_ble.dart';
import 'nearbyLock_state.dart';

class NearbyLockLogic extends BaseGetXController{

  final NearbyLockState state = NearbyLockState();

  // 点击复合要求的设备之后 连接
  void connect(String lockId){
    BlueManage().connect(lockId);
  }

  // 监听蓝牙连接的状态
  late StreamSubscription _streamSubscription;
  void _startListenIO(){
    _streamSubscription = EventBusManager().eventBus!.on<QualifiedCharacteristic>().listen((event) async {
      IoSenderManage.getPublicKey(state.seletLockName.value);
    });
  }

  // 状态在线之后发现服务
  // Future<void> scanDiscoverServices(String lockId) async {
  //   // 获取特征值 处理特征值
  //   List<DiscoveredService> list = await BlueManage().discoverServices(lockId);
  //   // 发送获取公钥
  //   IoSenderManage.getPublicKey(state.seletLockName.value);
  // }

  // 获取公钥
  // void getPublicKey(String lockId){
  //   // print("seletGetPublicKey:${lockId}");
  //   IoSenderManage.getPublicKey(lockId);
  // }

  // 组装好数据后监听要发送消息的事件
  late StreamSubscription<EventSendModel> _sendStreamSubscription;
  void _initSendStreamSubscription() {
    _sendStreamSubscription = EventBusManager().eventBus!.on<EventSendModel>().listen((
        EventSendModel model) {
      if (model.sendChannel == DataChannel.ble) {
        print("fsdfgsdfgsdfgsdfgsdfgsdfg:${BlueManage().qualifiedCharacteristic}");
        BlueManage().writeCharacteristicWithResponse(QualifiedCharacteristic(
            deviceId:BlueManage().qualifiedCharacteristic!.deviceId,
            characteristicId: BlueManage().qualifiedCharacteristic!.characteristicId,
            serviceId: BlueManage().serviceId),
            model.data);
      }
    });
  }

  @override
  void onReady() {
    // TODO: implement onReady
    super.onReady();
    print("onReady()");

    _initSendStreamSubscription();
    _startListenIO();
  }

  @override
  void onInit() {
    // TODO: implement onInit
    super.onInit();
    print("onInit()");

    // 进来第一步开始扫描
    GetxBle().scanner.startScan((v){
      bool isHave = state.devices.any((element) => element.id == v[0].id);
      if (isHave == false){
        state.devices.addAll(v);
      }
    });
  }

  @override
  void onClose() {
    // TODO: implement onClose
    super.onClose();
    _sendStreamSubscription.cancel();
  }

}