import 'dart:async';

import '../app_settings/app_settings.dart';
import '../tools/commonDataManage.dart';
import '../tools/eventBusEventManage.dart';
import 'io_sender.dart';
import 'io_tool/io_model.dart';
import 'io_tool/manager_event_bus.dart';
import 'sender_beforeDataManage.dart';

typedef CommandSendCallBack = void Function(ErrorType errorType);

class CommandSenderManager {
  factory CommandSenderManager() => _manager;

  CommandSenderManager._init() {
    init();
  }
  static final CommandSenderManager _manager = CommandSenderManager._init();

  static CommandSenderManager getInstance() => _manager;

  void init() {
    _initLockAddUserSucceedEvent();
    _initTransferSmartLockSucceedEvent();
  }

  // 蓝牙添加用户成功 继续发送上次未发送的数据
  StreamSubscription? _passCurrentLockInformationEvent;
  List<int> dataBeforeAddTheUser = <int>[];
  void _initLockAddUserSucceedEvent() {
    // 蓝牙协议通知传输跟蓝牙之外的数据传输类不一样 eventBus
    _passCurrentLockInformationEvent = eventBus
        .on<LockAddUserSucceedEvent>()
        .listen((LockAddUserSucceedEvent event) {
      if (event.type == 0) {
        sendNormalData(dataBeforeAddTheUser);
      } else {
        sendNormalData(event.dataList);
      }
    });
  }

  StreamSubscription? _transferSmartLockEvent;
  List<int> dataTransferSmartLock = <int>[];
  void _initTransferSmartLockSucceedEvent() {
    // 蓝牙协议通知传输跟蓝牙之外的数据传输类不一样 eventBus
    _transferSmartLockEvent =
        eventBus.on<LockInitUserNoEvent>().listen((LockInitUserNoEvent event) {
      sendNormalData(dataTransferSmartLock);
    });
  }

  // CommandType lastCommandType = CommandType.readLockStatusInfo;
  bool canSendControlCommand = false;

  Future<void> managerSendData(
      {required SenderProtocol command,
      bool isBeforeAddUser = false,
      CommandSendCallBack? callBack}) async {
    if (callBack != null) {
      AppLog.log('managerSendData    ❌  callBack');
      callBack(ErrorType.notConnected);
      return;
    }

    SenderBeforeDataManage().isBeforeAddUser = isBeforeAddUser;
    final List<int> value = command.packageData();
    if (isBeforeAddUser == true) {
      // 如果是添加用户之前调用协议 直接发送
      sendNormalData(value);
    } else {
      // 当前锁被转移了 需要更新锁的userid 调用转移锁协议
      if (CommonDataManage().initUserNo == 1) {
        final List<int> entity =
            await SenderBeforeDataManage().getTransferSmartLockData();
        sendNormalData(entity);
        dataTransferSmartLock = value;
        return;
      }
      // 添加用户之后调用协议就要判断是否添加用户
      if (CommonDataManage().currentLockUserNo == 0) {
        // 如果LockUserNo为0，先添加用户
        final List<int> entity =
            await SenderBeforeDataManage().getAddUserKeyData();
        sendNormalData(entity);
        dataBeforeAddTheUser = value;
      } else {
        sendNormalData(value);
      }
    }
  }

  Future<void> sendNormalData(List<int> data) async {
    if (data.isNotEmpty) {
      EventBusManager().eventBusFir(
          EventSendModel(data: data, sendChannel: DataChannel.ble));
    }
  }

//   Timer? _commandTimer;
//   List<int>? bufferList = [];
//   int? outTimeCount = 1;
//   CommandType? sendCommandType; //发送指令类型
//
//   void startCommandCutDown(CommandType? commandType, List<int>? data, Function? callBack) async {
//
//     bool needCutDownTime = commandType.cutDown;
//     int maxResendCount = commandType.resendCnt;
//     int outMax = commandType.duration;
//
//     if(needCutDownTime){
//       lastCommandType = commandType;
//       cancelCommandCutDown();
//       if(needCutDownTime){
//         bufferList = data;
//         _commandTimer = Timer.periodic( Duration(
//           milliseconds: outMax,
//         ), (t){
//           if(outTimeCount < maxResendCount){
//             outTimeCount++;
//             if(bufferList.length > 0){
//               AppLog.log(''''
//           ------->\n超时 第 $outTimeCount 次 重发 $commandType 指令 ''',error: true);
// //              if(commandType != CommandType.upgrade){
// //                AppLog.log('重发重置帧序号');
// //                bufferList.replaceRange(1, 2, [IoManager().commandIndex]);
// //              }
//               _sendNormalData(bufferList);
//             }
//           }else{
//             bufferList = [];
//             cancelCommandCutDown();
//             print('managerSendData    ❌  callBack');
//             if(callBack != null){
//               callBack(ErrorType.timeOut);
//             }
//           }
//         });
//       }
//     }
//   }
//
//   void cancelCommandCutDown({CommandType commandType}){
//     AppLog.log('发送指令类取消定时');
//     if(commandType != null && commandType != lastCommandType)return;
//     if(_commandTimer != null){
//       _commandTimer.cancel();
//       _commandTimer = null;
//     }
//     outTimeCount = 1;
//     bufferList.clear();
//     bufferList = [];
//   }

  void dispose() {
    _passCurrentLockInformationEvent?.cancel();
    _transferSmartLockEvent?.cancel();
  }
}