// Copyright (c) The NodeRT Contributors
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the ""License""); you may
// not use this file except in compliance with the License. You may obtain a
// copy of the License at http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED ON AN  *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS
// OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY
// IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
//
// See the Apache Version 2.0 License for specific language governing permissions
// and limitations under the License.

// TODO: Verify that this is is still needed..
#define NTDDI_VERSION 0x06010000

#include <v8.h>
#include "nan.h"
#include <string>
#include <ppltasks.h>
#include "CollectionsConverter.h"
#include "CollectionsWrap.h"
#include "node-async.h"
#include "NodeRtUtils.h"
#include "OpaqueWrapper.h"
#include "WrapperBase.h"

#using <Windows.WinMD>

// this undefs fixes the issues of compiling Windows.Data.Json, Windows.Storag.FileProperties, and Windows.Stroage.Search
// Some of the node header files brings windows definitions with the same names as some of the WinRT methods
#undef DocumentProperties
#undef GetObject
#undef CreateEvent
#undef FindText
#undef SendMessage

const char* REGISTRATION_TOKEN_MAP_PROPERTY_NAME = "__registrationTokenMap__";

using v8::Array;
using v8::String;
using v8::Value;
using v8::Boolean;
using v8::Integer;
using v8::FunctionTemplate;
using v8::Object;
using v8::Local;
using v8::Function;
using v8::Date;
using v8::Number;
using v8::PropertyAttribute;
using v8::Primitive;
using Nan::HandleScope;
using Nan::Persistent;
using Nan::Undefined;
using Nan::True;
using Nan::False;
using Nan::Null;
using Nan::MaybeLocal;
using Nan::EscapableHandleScope;
using Nan::HandleScope;
using Nan::TryCatch;
using namespace concurrency;

namespace NodeRT { namespace Windows { namespace Devices { namespace Spi { 
  v8::Local<v8::Value> WrapISpiDeviceStatics(::Windows::Devices::Spi::ISpiDeviceStatics^ wintRtInstance);
  ::Windows::Devices::Spi::ISpiDeviceStatics^ UnwrapISpiDeviceStatics(Local<Value> value);
  
  v8::Local<v8::Value> WrapSpiBusInfo(::Windows::Devices::Spi::SpiBusInfo^ wintRtInstance);
  ::Windows::Devices::Spi::SpiBusInfo^ UnwrapSpiBusInfo(Local<Value> value);
  
  v8::Local<v8::Value> WrapSpiConnectionSettings(::Windows::Devices::Spi::SpiConnectionSettings^ wintRtInstance);
  ::Windows::Devices::Spi::SpiConnectionSettings^ UnwrapSpiConnectionSettings(Local<Value> value);
  
  v8::Local<v8::Value> WrapSpiController(::Windows::Devices::Spi::SpiController^ wintRtInstance);
  ::Windows::Devices::Spi::SpiController^ UnwrapSpiController(Local<Value> value);
  
  v8::Local<v8::Value> WrapSpiDevice(::Windows::Devices::Spi::SpiDevice^ wintRtInstance);
  ::Windows::Devices::Spi::SpiDevice^ UnwrapSpiDevice(Local<Value> value);
  



  static void InitSpiModeEnum(const Local<Object> exports) {
    HandleScope scope;

    Local<Object> enumObject = Nan::New<Object>();

    Nan::Set(exports, Nan::New<String>("SpiMode").ToLocalChecked(), enumObject);
    Nan::Set(enumObject, Nan::New<String>("mode0").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Devices::Spi::SpiMode::Mode0)));
    Nan::Set(enumObject, Nan::New<String>("mode1").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Devices::Spi::SpiMode::Mode1)));
    Nan::Set(enumObject, Nan::New<String>("mode2").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Devices::Spi::SpiMode::Mode2)));
    Nan::Set(enumObject, Nan::New<String>("mode3").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Devices::Spi::SpiMode::Mode3)));
  }

  static void InitSpiSharingModeEnum(const Local<Object> exports) {
    HandleScope scope;

    Local<Object> enumObject = Nan::New<Object>();

    Nan::Set(exports, Nan::New<String>("SpiSharingMode").ToLocalChecked(), enumObject);
    Nan::Set(enumObject, Nan::New<String>("exclusive").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Devices::Spi::SpiSharingMode::Exclusive)));
    Nan::Set(enumObject, Nan::New<String>("shared").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Devices::Spi::SpiSharingMode::Shared)));
  }



  class ISpiDeviceStatics : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("ISpiDeviceStatics").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);

        Local<Function> func;
        Local<FunctionTemplate> funcTemplate;

          
            Nan::SetPrototypeMethod(localRef, "getDeviceSelector", GetDeviceSelector);
            Nan::SetPrototypeMethod(localRef, "getBusInfo", GetBusInfo);
          

          
            Nan::SetPrototypeMethod(localRef, "fromIdAsync", FromIdAsync);
          



        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);



        Nan::Set(exports, Nan::New<String>("ISpiDeviceStatics").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      ISpiDeviceStatics(::Windows::Devices::Spi::ISpiDeviceStatics^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::Devices::Spi::ISpiDeviceStatics^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::ISpiDeviceStatics^>(info[0])) {
        try {
          winRtInstance = (::Windows::Devices::Spi::ISpiDeviceStatics^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      ISpiDeviceStatics *wrapperInstance = new ISpiDeviceStatics(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::ISpiDeviceStatics^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::Devices::Spi::ISpiDeviceStatics^ winRtInstance;
      try {
        winRtInstance = (::Windows::Devices::Spi::ISpiDeviceStatics^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapISpiDeviceStatics(winRtInstance));
    }

    static void FromIdAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::ISpiDeviceStatics^>(info.This())) {
        return;
      }

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      ISpiDeviceStatics *wrapper = ISpiDeviceStatics::Unwrap<ISpiDeviceStatics>(info.This());

      ::Windows::Foundation::IAsyncOperation<::Windows::Devices::Spi::SpiDevice^>^ op;


      if (info.Length() == 3
        && info[0]->IsString()
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info[1]))
      {
        try
        {
          Platform::String^ arg0 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), info[0])));
          ::Windows::Devices::Spi::SpiConnectionSettings^ arg1 = UnwrapSpiConnectionSettings(info[1]);
          
          op = wrapper->_instance->FromIdAsync(arg0,arg1);
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<::Windows::Devices::Spi::SpiDevice^> t) {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = WrapSpiDevice(result);
              if (tryCatch.HasCaught())
              {
                error = Nan::To<Object>(tryCatch.Exception()).ToLocalChecked();
              }
              else
              {
                error = Undefined();
              }
              if (arg1.IsEmpty()) arg1 = Undefined();
            }
            Local<Value> args[] = {error, arg1};


            invokeCallback(_countof(args), args);
          });
        } catch (Platform::Exception^ exception) {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {
            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }

    static void GetDeviceSelector(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::ISpiDeviceStatics^>(info.This())) {
        return;
      }

      ISpiDeviceStatics *wrapper = ISpiDeviceStatics::Unwrap<ISpiDeviceStatics>(info.This());

      if (info.Length() == 0)
      {
        try
        {
          Platform::String^ result;
          result = wrapper->_instance->GetDeviceSelector();
          info.GetReturnValue().Set(NodeRT::Utils::NewString(result->Data()));
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 1
        && info[0]->IsString())
      {
        try
        {
          Platform::String^ arg0 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), info[0])));
          
          Platform::String^ result;
          result = wrapper->_instance->GetDeviceSelector(arg0);
          info.GetReturnValue().Set(NodeRT::Utils::NewString(result->Data()));
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }
    static void GetBusInfo(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::ISpiDeviceStatics^>(info.This())) {
        return;
      }

      ISpiDeviceStatics *wrapper = ISpiDeviceStatics::Unwrap<ISpiDeviceStatics>(info.This());

      if (info.Length() == 1
        && info[0]->IsString())
      {
        try
        {
          Platform::String^ arg0 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), info[0])));
          
          ::Windows::Devices::Spi::SpiBusInfo^ result;
          result = wrapper->_instance->GetBusInfo(arg0);
          info.GetReturnValue().Set(WrapSpiBusInfo(result));
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }





    private:
      ::Windows::Devices::Spi::ISpiDeviceStatics^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapISpiDeviceStatics(::Windows::Devices::Spi::ISpiDeviceStatics^ wintRtInstance);
      friend ::Windows::Devices::Spi::ISpiDeviceStatics^ UnwrapISpiDeviceStatics(Local<Value> value);
  };

  Persistent<FunctionTemplate> ISpiDeviceStatics::s_constructorTemplate;

  v8::Local<v8::Value> WrapISpiDeviceStatics(::Windows::Devices::Spi::ISpiDeviceStatics^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(ISpiDeviceStatics::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Devices::Spi::ISpiDeviceStatics^ UnwrapISpiDeviceStatics(Local<Value> value) {
     return ISpiDeviceStatics::Unwrap<ISpiDeviceStatics>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitISpiDeviceStatics(Local<Object> exports) {
    ISpiDeviceStatics::Init(exports);
  }

  class SpiBusInfo : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("SpiBusInfo").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);





          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("chipSelectLineCount").ToLocalChecked(), ChipSelectLineCountGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("maxClockFrequency").ToLocalChecked(), MaxClockFrequencyGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("minClockFrequency").ToLocalChecked(), MinClockFrequencyGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("supportedDataBitLengths").ToLocalChecked(), SupportedDataBitLengthsGetter);

        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);



        Nan::Set(exports, Nan::New<String>("SpiBusInfo").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      SpiBusInfo(::Windows::Devices::Spi::SpiBusInfo^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::Devices::Spi::SpiBusInfo^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiBusInfo^>(info[0])) {
        try {
          winRtInstance = (::Windows::Devices::Spi::SpiBusInfo^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      SpiBusInfo *wrapperInstance = new SpiBusInfo(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiBusInfo^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::Devices::Spi::SpiBusInfo^ winRtInstance;
      try {
        winRtInstance = (::Windows::Devices::Spi::SpiBusInfo^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapSpiBusInfo(winRtInstance));
    }





    static void ChipSelectLineCountGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiBusInfo^>(info.This())) {
        return;
      }

      SpiBusInfo *wrapper = SpiBusInfo::Unwrap<SpiBusInfo>(info.This());

      try  {
        int result = wrapper->_instance->ChipSelectLineCount;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void MaxClockFrequencyGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiBusInfo^>(info.This())) {
        return;
      }

      SpiBusInfo *wrapper = SpiBusInfo::Unwrap<SpiBusInfo>(info.This());

      try  {
        int result = wrapper->_instance->MaxClockFrequency;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void MinClockFrequencyGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiBusInfo^>(info.This())) {
        return;
      }

      SpiBusInfo *wrapper = SpiBusInfo::Unwrap<SpiBusInfo>(info.This());

      try  {
        int result = wrapper->_instance->MinClockFrequency;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void SupportedDataBitLengthsGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiBusInfo^>(info.This())) {
        return;
      }

      SpiBusInfo *wrapper = SpiBusInfo::Unwrap<SpiBusInfo>(info.This());

      try  {
        ::Windows::Foundation::Collections::IVectorView<int>^ result = wrapper->_instance->SupportedDataBitLengths;
        info.GetReturnValue().Set(NodeRT::Collections::VectorViewWrapper<int>::CreateVectorViewWrapper(result, 
            [](int val) -> Local<Value> {
              return Nan::New<Integer>(val);
            },
            [](Local<Value> value) -> bool {
              return value->IsInt32();
            },
            [](Local<Value> value) -> int {
              return static_cast<int>(Nan::To<int32_t>(value).FromMaybe(0));
            }
          ));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      


    private:
      ::Windows::Devices::Spi::SpiBusInfo^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapSpiBusInfo(::Windows::Devices::Spi::SpiBusInfo^ wintRtInstance);
      friend ::Windows::Devices::Spi::SpiBusInfo^ UnwrapSpiBusInfo(Local<Value> value);
  };

  Persistent<FunctionTemplate> SpiBusInfo::s_constructorTemplate;

  v8::Local<v8::Value> WrapSpiBusInfo(::Windows::Devices::Spi::SpiBusInfo^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(SpiBusInfo::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Devices::Spi::SpiBusInfo^ UnwrapSpiBusInfo(Local<Value> value) {
     return SpiBusInfo::Unwrap<SpiBusInfo>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitSpiBusInfo(Local<Object> exports) {
    SpiBusInfo::Init(exports);
  }

  class SpiConnectionSettings : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("SpiConnectionSettings").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);





          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("sharingMode").ToLocalChecked(), SharingModeGetter, SharingModeSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("mode").ToLocalChecked(), ModeGetter, ModeSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("dataBitLength").ToLocalChecked(), DataBitLengthGetter, DataBitLengthSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("clockFrequency").ToLocalChecked(), ClockFrequencyGetter, ClockFrequencySetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("chipSelectLine").ToLocalChecked(), ChipSelectLineGetter, ChipSelectLineSetter);

        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);



        Nan::Set(exports, Nan::New<String>("SpiConnectionSettings").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      SpiConnectionSettings(::Windows::Devices::Spi::SpiConnectionSettings^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::Devices::Spi::SpiConnectionSettings^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info[0])) {
        try {
          winRtInstance = (::Windows::Devices::Spi::SpiConnectionSettings^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 1
        && info[0]->IsInt32())
      {
        try {
          int arg0 = static_cast<int>(Nan::To<int32_t>(info[0]).FromMaybe(0));
          
          winRtInstance = ref new ::Windows::Devices::Spi::SpiConnectionSettings(arg0);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      SpiConnectionSettings *wrapperInstance = new SpiConnectionSettings(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::Devices::Spi::SpiConnectionSettings^ winRtInstance;
      try {
        winRtInstance = (::Windows::Devices::Spi::SpiConnectionSettings^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapSpiConnectionSettings(winRtInstance));
    }





    static void SharingModeGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try  {
        ::Windows::Devices::Spi::SpiSharingMode result = wrapper->_instance->SharingMode;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void SharingModeSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsInt32()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try {

        ::Windows::Devices::Spi::SpiSharingMode winRtValue = static_cast<::Windows::Devices::Spi::SpiSharingMode>(Nan::To<int32_t>(value).FromMaybe(0));

        wrapper->_instance->SharingMode = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      
    static void ModeGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try  {
        ::Windows::Devices::Spi::SpiMode result = wrapper->_instance->Mode;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void ModeSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsInt32()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try {

        ::Windows::Devices::Spi::SpiMode winRtValue = static_cast<::Windows::Devices::Spi::SpiMode>(Nan::To<int32_t>(value).FromMaybe(0));

        wrapper->_instance->Mode = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      
    static void DataBitLengthGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try  {
        int result = wrapper->_instance->DataBitLength;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void DataBitLengthSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsInt32()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try {

        int winRtValue = static_cast<int>(Nan::To<int32_t>(value).FromMaybe(0));

        wrapper->_instance->DataBitLength = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      
    static void ClockFrequencyGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try  {
        int result = wrapper->_instance->ClockFrequency;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void ClockFrequencySetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsInt32()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try {

        int winRtValue = static_cast<int>(Nan::To<int32_t>(value).FromMaybe(0));

        wrapper->_instance->ClockFrequency = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      
    static void ChipSelectLineGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try  {
        int result = wrapper->_instance->ChipSelectLine;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void ChipSelectLineSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsInt32()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info.This())) {
        return;
      }

      SpiConnectionSettings *wrapper = SpiConnectionSettings::Unwrap<SpiConnectionSettings>(info.This());

      try {

        int winRtValue = static_cast<int>(Nan::To<int32_t>(value).FromMaybe(0));

        wrapper->_instance->ChipSelectLine = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      


    private:
      ::Windows::Devices::Spi::SpiConnectionSettings^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapSpiConnectionSettings(::Windows::Devices::Spi::SpiConnectionSettings^ wintRtInstance);
      friend ::Windows::Devices::Spi::SpiConnectionSettings^ UnwrapSpiConnectionSettings(Local<Value> value);
  };

  Persistent<FunctionTemplate> SpiConnectionSettings::s_constructorTemplate;

  v8::Local<v8::Value> WrapSpiConnectionSettings(::Windows::Devices::Spi::SpiConnectionSettings^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(SpiConnectionSettings::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Devices::Spi::SpiConnectionSettings^ UnwrapSpiConnectionSettings(Local<Value> value) {
     return SpiConnectionSettings::Unwrap<SpiConnectionSettings>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitSpiConnectionSettings(Local<Object> exports) {
    SpiConnectionSettings::Init(exports);
  }

  class SpiController : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("SpiController").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);

        Local<Function> func;
        Local<FunctionTemplate> funcTemplate;

          
            Nan::SetPrototypeMethod(localRef, "getDevice", GetDevice);
          




        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);

        func = Nan::GetFunction(Nan::New<FunctionTemplate>(GetDefaultAsync)).ToLocalChecked();
        Nan::Set(constructor, Nan::New<String>("getDefaultAsync").ToLocalChecked(), func);
        func = Nan::GetFunction(Nan::New<FunctionTemplate>(GetControllersAsync)).ToLocalChecked();
        Nan::Set(constructor, Nan::New<String>("getControllersAsync").ToLocalChecked(), func);


        Nan::Set(exports, Nan::New<String>("SpiController").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      SpiController(::Windows::Devices::Spi::SpiController^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::Devices::Spi::SpiController^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiController^>(info[0])) {
        try {
          winRtInstance = (::Windows::Devices::Spi::SpiController^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      SpiController *wrapperInstance = new SpiController(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiController^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::Devices::Spi::SpiController^ winRtInstance;
      try {
        winRtInstance = (::Windows::Devices::Spi::SpiController^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapSpiController(winRtInstance));
    }


    static void GetDevice(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiController^>(info.This())) {
        return;
      }

      SpiController *wrapper = SpiController::Unwrap<SpiController>(info.This());

      if (info.Length() == 1
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info[0]))
      {
        try
        {
          ::Windows::Devices::Spi::SpiConnectionSettings^ arg0 = UnwrapSpiConnectionSettings(info[0]);
          
          ::Windows::Devices::Spi::SpiDevice^ result;
          result = wrapper->_instance->GetDevice(arg0);
          info.GetReturnValue().Set(WrapSpiDevice(result));
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }


    static void GetDefaultAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      ::Windows::Foundation::IAsyncOperation<::Windows::Devices::Spi::SpiController^>^ op;


      if (info.Length() == 1)
      {
        try
        {
          op = ::Windows::Devices::Spi::SpiController::GetDefaultAsync();
        } catch (Platform::Exception ^exception) {
            NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
            return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<::Windows::Devices::Spi::SpiController^> t)
      {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = WrapSpiController(result);
              if (tryCatch.HasCaught())
              {
                error = Nan::To<Object>(tryCatch.Exception()).ToLocalChecked();
              }
              else
              {
                error = Undefined();
              }
              if (arg1.IsEmpty()) arg1 = Undefined();
            }
            Local<Value> args[] = {error, arg1};


            invokeCallback(_countof(args), args);
          });
        }
        catch (Platform::Exception^ exception)
        {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {

            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }

    static void GetControllersAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      ::Windows::Foundation::IAsyncOperation<::Windows::Foundation::Collections::IVectorView<::Windows::Devices::Spi::SpiController^>^>^ op;


      if (info.Length() == 2
          && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::Provider::ISpiProvider^>(info[0]))
      {
        try
        {
          ::Windows::Devices::Spi::Provider::ISpiProvider^ arg0 = dynamic_cast<::Windows::Devices::Spi::Provider::ISpiProvider^>(NodeRT::Utils::GetObjectInstance(info[0]));
            
          op = ::Windows::Devices::Spi::SpiController::GetControllersAsync(arg0);
        } catch (Platform::Exception ^exception) {
            NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
            return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<::Windows::Foundation::Collections::IVectorView<::Windows::Devices::Spi::SpiController^>^> t)
      {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = NodeRT::Collections::VectorViewWrapper<::Windows::Devices::Spi::SpiController^>::CreateVectorViewWrapper(result, 
            [](::Windows::Devices::Spi::SpiController^ val) -> Local<Value> {
              return WrapSpiController(val);
            },
            [](Local<Value> value) -> bool {
              return NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiController^>(value);
            },
            [](Local<Value> value) -> ::Windows::Devices::Spi::SpiController^ {
              return UnwrapSpiController(value);
            }
          );
              if (tryCatch.HasCaught())
              {
                error = Nan::To<Object>(tryCatch.Exception()).ToLocalChecked();
              }
              else
              {
                error = Undefined();
              }
              if (arg1.IsEmpty()) arg1 = Undefined();
            }
            Local<Value> args[] = {error, arg1};


            invokeCallback(_countof(args), args);
          });
        }
        catch (Platform::Exception^ exception)
        {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {

            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }




    private:
      ::Windows::Devices::Spi::SpiController^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapSpiController(::Windows::Devices::Spi::SpiController^ wintRtInstance);
      friend ::Windows::Devices::Spi::SpiController^ UnwrapSpiController(Local<Value> value);
  };

  Persistent<FunctionTemplate> SpiController::s_constructorTemplate;

  v8::Local<v8::Value> WrapSpiController(::Windows::Devices::Spi::SpiController^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(SpiController::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Devices::Spi::SpiController^ UnwrapSpiController(Local<Value> value) {
     return SpiController::Unwrap<SpiController>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitSpiController(Local<Object> exports) {
    SpiController::Init(exports);
  }

  class SpiDevice : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("SpiDevice").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);

        Local<Function> func;
        Local<FunctionTemplate> funcTemplate;

          
            Nan::SetPrototypeMethod(localRef, "write", Write);
            Nan::SetPrototypeMethod(localRef, "read", Read);
            Nan::SetPrototypeMethod(localRef, "transferSequential", TransferSequential);
            Nan::SetPrototypeMethod(localRef, "transferFullDuplex", TransferFullDuplex);
            Nan::SetPrototypeMethod(localRef, "close", Close);
          



          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("connectionSettings").ToLocalChecked(), ConnectionSettingsGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("deviceId").ToLocalChecked(), DeviceIdGetter);

        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);

        Nan::SetMethod(constructor, "getDeviceSelector", GetDeviceSelector);
        Nan::SetMethod(constructor, "getBusInfo", GetBusInfo);
        func = Nan::GetFunction(Nan::New<FunctionTemplate>(FromIdAsync)).ToLocalChecked();
        Nan::Set(constructor, Nan::New<String>("fromIdAsync").ToLocalChecked(), func);


        Nan::Set(exports, Nan::New<String>("SpiDevice").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      SpiDevice(::Windows::Devices::Spi::SpiDevice^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::Devices::Spi::SpiDevice^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiDevice^>(info[0])) {
        try {
          winRtInstance = (::Windows::Devices::Spi::SpiDevice^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      SpiDevice *wrapperInstance = new SpiDevice(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiDevice^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::Devices::Spi::SpiDevice^ winRtInstance;
      try {
        winRtInstance = (::Windows::Devices::Spi::SpiDevice^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapSpiDevice(winRtInstance));
    }


    static void Write(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiDevice^>(info.This())) {
        return;
      }

      SpiDevice *wrapper = SpiDevice::Unwrap<SpiDevice>(info.This());

      if (info.Length() == 1
        && (NodeRT::Utils::IsWinRtWrapperOf<::Platform::Array<unsigned char>^>(info[0]) || info[0]->IsArray()))
      {
        try
        {
          ::Platform::Array<unsigned char>^ arg0 = 
            [] (v8::Local<v8::Value> value) -> ::Platform::Array<unsigned char>^
            {
              if (value->IsArray())
              {
                return NodeRT::Collections::JsArrayToWinrtArray<unsigned char>(value.As<Array>(), 
                 [](Local<Value> value) -> bool {
                   return value->IsInt32();
                 },
                 [](Local<Value> value) -> unsigned char {
                   return static_cast<unsigned char>(Nan::To<int32_t>(value).FromMaybe(0));
                 }
                );
              }
              else
              {
                return dynamic_cast<::Platform::Array<unsigned char>^>(NodeRT::Utils::GetObjectInstance(value));
              }
            } (info[0]);
          
          wrapper->_instance->Write(arg0);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }
    static void Read(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Not implemented")));
    }
    static void TransferSequential(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Not implemented")));
    }
    static void TransferFullDuplex(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Not implemented")));
    }

    static void Close(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiDevice^>(info.This())) {
        return;
      }

      SpiDevice *wrapper = SpiDevice::Unwrap<SpiDevice>(info.This());

      if (info.Length() == 0) {
        try {
          delete wrapper->_instance;
          wrapper->_instance = nullptr;
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      } else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }


    static void FromIdAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      ::Windows::Foundation::IAsyncOperation<::Windows::Devices::Spi::SpiDevice^>^ op;


      if (info.Length() == 3
          && info[0]->IsString()
          && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiConnectionSettings^>(info[1]))
      {
        try
        {
          Platform::String^ arg0 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), info[0])));
          ::Windows::Devices::Spi::SpiConnectionSettings^ arg1 = UnwrapSpiConnectionSettings(info[1]);
            
          op = ::Windows::Devices::Spi::SpiDevice::FromIdAsync(arg0,arg1);
        } catch (Platform::Exception ^exception) {
            NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
            return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<::Windows::Devices::Spi::SpiDevice^> t)
      {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = WrapSpiDevice(result);
              if (tryCatch.HasCaught())
              {
                error = Nan::To<Object>(tryCatch.Exception()).ToLocalChecked();
              }
              else
              {
                error = Undefined();
              }
              if (arg1.IsEmpty()) arg1 = Undefined();
            }
            Local<Value> args[] = {error, arg1};


            invokeCallback(_countof(args), args);
          });
        }
        catch (Platform::Exception^ exception)
        {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {

            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }


    static void GetDeviceSelector(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (info.Length() == 0)
      {
        try
        {
          Platform::String^ result;
          result = ::Windows::Devices::Spi::SpiDevice::GetDeviceSelector();
          info.GetReturnValue().Set(NodeRT::Utils::NewString(result->Data()));
          return;
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 1
        && info[0]->IsString())
      {
        try
        {
          Platform::String^ arg0 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), info[0])));
          
          Platform::String^ result;
          result = ::Windows::Devices::Spi::SpiDevice::GetDeviceSelector(arg0);
          info.GetReturnValue().Set(NodeRT::Utils::NewString(result->Data()));
          return;
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else  {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }

    static void GetBusInfo(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (info.Length() == 1
        && info[0]->IsString())
      {
        try
        {
          Platform::String^ arg0 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), info[0])));
          
          ::Windows::Devices::Spi::SpiBusInfo^ result;
          result = ::Windows::Devices::Spi::SpiDevice::GetBusInfo(arg0);
          info.GetReturnValue().Set(WrapSpiBusInfo(result));
          return;
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else  {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }

    static void ConnectionSettingsGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiDevice^>(info.This())) {
        return;
      }

      SpiDevice *wrapper = SpiDevice::Unwrap<SpiDevice>(info.This());

      try  {
        ::Windows::Devices::Spi::SpiConnectionSettings^ result = wrapper->_instance->ConnectionSettings;
        info.GetReturnValue().Set(WrapSpiConnectionSettings(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void DeviceIdGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Devices::Spi::SpiDevice^>(info.This())) {
        return;
      }

      SpiDevice *wrapper = SpiDevice::Unwrap<SpiDevice>(info.This());

      try  {
        Platform::String^ result = wrapper->_instance->DeviceId;
        info.GetReturnValue().Set(NodeRT::Utils::NewString(result->Data()));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      


    private:
      ::Windows::Devices::Spi::SpiDevice^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapSpiDevice(::Windows::Devices::Spi::SpiDevice^ wintRtInstance);
      friend ::Windows::Devices::Spi::SpiDevice^ UnwrapSpiDevice(Local<Value> value);
  };

  Persistent<FunctionTemplate> SpiDevice::s_constructorTemplate;

  v8::Local<v8::Value> WrapSpiDevice(::Windows::Devices::Spi::SpiDevice^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(SpiDevice::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Devices::Spi::SpiDevice^ UnwrapSpiDevice(Local<Value> value) {
     return SpiDevice::Unwrap<SpiDevice>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitSpiDevice(Local<Object> exports) {
    SpiDevice::Init(exports);
  }


} } } } 

NAN_MODULE_INIT(init) {
  // We ignore failures for now since it probably means that
  // the initialization already happened for STA, and that's cool

  CoInitializeEx(nullptr, COINIT_MULTITHREADED);

  /*
  if (FAILED(CoInitializeEx(nullptr, COINIT_MULTITHREADED))) {
    Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"error in CoInitializeEx()")));
    return;
  }
  */

      NodeRT::Windows::Devices::Spi::InitSpiModeEnum(target);
      NodeRT::Windows::Devices::Spi::InitSpiSharingModeEnum(target);
      NodeRT::Windows::Devices::Spi::InitISpiDeviceStatics(target);
      NodeRT::Windows::Devices::Spi::InitSpiBusInfo(target);
      NodeRT::Windows::Devices::Spi::InitSpiConnectionSettings(target);
      NodeRT::Windows::Devices::Spi::InitSpiController(target);
      NodeRT::Windows::Devices::Spi::InitSpiDevice(target);


  NodeRT::Utils::RegisterNameSpace("Windows.Devices.Spi", target);
}



NODE_MODULE(binding, init)