// 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 Media { namespace Transcoding { 
  v8::Local<v8::Value> WrapMediaTranscoder(::Windows::Media::Transcoding::MediaTranscoder^ wintRtInstance);
  ::Windows::Media::Transcoding::MediaTranscoder^ UnwrapMediaTranscoder(Local<Value> value);
  
  v8::Local<v8::Value> WrapPrepareTranscodeResult(::Windows::Media::Transcoding::PrepareTranscodeResult^ wintRtInstance);
  ::Windows::Media::Transcoding::PrepareTranscodeResult^ UnwrapPrepareTranscodeResult(Local<Value> value);
  



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

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

    Nan::Set(exports, Nan::New<String>("MediaVideoProcessingAlgorithm").ToLocalChecked(), enumObject);
    Nan::Set(enumObject, Nan::New<String>("default").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Media::Transcoding::MediaVideoProcessingAlgorithm::Default)));
    Nan::Set(enumObject, Nan::New<String>("mrfCrf444").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Media::Transcoding::MediaVideoProcessingAlgorithm::MrfCrf444)));
  }

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

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

    Nan::Set(exports, Nan::New<String>("TranscodeFailureReason").ToLocalChecked(), enumObject);
    Nan::Set(enumObject, Nan::New<String>("none").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Media::Transcoding::TranscodeFailureReason::None)));
    Nan::Set(enumObject, Nan::New<String>("unknown").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Media::Transcoding::TranscodeFailureReason::Unknown)));
    Nan::Set(enumObject, Nan::New<String>("invalidProfile").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Media::Transcoding::TranscodeFailureReason::InvalidProfile)));
    Nan::Set(enumObject, Nan::New<String>("codecNotFound").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Media::Transcoding::TranscodeFailureReason::CodecNotFound)));
  }



  class MediaTranscoder : 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>("MediaTranscoder").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);

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

          
            Nan::SetPrototypeMethod(localRef, "addAudioEffect", AddAudioEffect);
            Nan::SetPrototypeMethod(localRef, "addVideoEffect", AddVideoEffect);
            Nan::SetPrototypeMethod(localRef, "clearEffects", ClearEffects);
          

          
            Nan::SetPrototypeMethod(localRef, "prepareFileTranscodeAsync", PrepareFileTranscodeAsync);
            Nan::SetPrototypeMethod(localRef, "prepareStreamTranscodeAsync", PrepareStreamTranscodeAsync);
            Nan::SetPrototypeMethod(localRef, "prepareMediaStreamSourceTranscodeAsync", PrepareMediaStreamSourceTranscodeAsync);
          


          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("trimStopTime").ToLocalChecked(), TrimStopTimeGetter, TrimStopTimeSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("trimStartTime").ToLocalChecked(), TrimStartTimeGetter, TrimStartTimeSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("hardwareAccelerationEnabled").ToLocalChecked(), HardwareAccelerationEnabledGetter, HardwareAccelerationEnabledSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("alwaysReencode").ToLocalChecked(), AlwaysReencodeGetter, AlwaysReencodeSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("videoProcessingAlgorithm").ToLocalChecked(), VideoProcessingAlgorithmGetter, VideoProcessingAlgorithmSetter);

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



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

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

    private:

      MediaTranscoder(::Windows::Media::Transcoding::MediaTranscoder^ 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::Media::Transcoding::MediaTranscoder^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info[0])) {
        try {
          winRtInstance = (::Windows::Media::Transcoding::MediaTranscoder^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 0)
      {
        try {
          winRtInstance = ref new ::Windows::Media::Transcoding::MediaTranscoder();
        } 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());

      MediaTranscoder *wrapperInstance = new MediaTranscoder(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::Media::Transcoding::MediaTranscoder^>(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::Media::Transcoding::MediaTranscoder^ winRtInstance;
      try {
        winRtInstance = (::Windows::Media::Transcoding::MediaTranscoder^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

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

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(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;
      }

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

      ::Windows::Foundation::IAsyncOperation<::Windows::Media::Transcoding::PrepareTranscodeResult^>^ op;


      if (info.Length() == 4
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::IStorageFile^>(info[0])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::IStorageFile^>(info[1])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::MediaProperties::MediaEncodingProfile^>(info[2]))
      {
        try
        {
          ::Windows::Storage::IStorageFile^ arg0 = dynamic_cast<::Windows::Storage::IStorageFile^>(NodeRT::Utils::GetObjectInstance(info[0]));
          ::Windows::Storage::IStorageFile^ arg1 = dynamic_cast<::Windows::Storage::IStorageFile^>(NodeRT::Utils::GetObjectInstance(info[1]));
          ::Windows::Media::MediaProperties::MediaEncodingProfile^ arg2 = dynamic_cast<::Windows::Media::MediaProperties::MediaEncodingProfile^>(NodeRT::Utils::GetObjectInstance(info[2]));
          
          op = wrapper->_instance->PrepareFileTranscodeAsync(arg0,arg1,arg2);
        }
        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::Media::Transcoding::PrepareTranscodeResult^> t) {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = WrapPrepareTranscodeResult(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 PrepareStreamTranscodeAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(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;
      }

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

      ::Windows::Foundation::IAsyncOperation<::Windows::Media::Transcoding::PrepareTranscodeResult^>^ op;


      if (info.Length() == 4
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::Streams::IRandomAccessStream^>(info[0])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::Streams::IRandomAccessStream^>(info[1])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::MediaProperties::MediaEncodingProfile^>(info[2]))
      {
        try
        {
          ::Windows::Storage::Streams::IRandomAccessStream^ arg0 = dynamic_cast<::Windows::Storage::Streams::IRandomAccessStream^>(NodeRT::Utils::GetObjectInstance(info[0]));
          ::Windows::Storage::Streams::IRandomAccessStream^ arg1 = dynamic_cast<::Windows::Storage::Streams::IRandomAccessStream^>(NodeRT::Utils::GetObjectInstance(info[1]));
          ::Windows::Media::MediaProperties::MediaEncodingProfile^ arg2 = dynamic_cast<::Windows::Media::MediaProperties::MediaEncodingProfile^>(NodeRT::Utils::GetObjectInstance(info[2]));
          
          op = wrapper->_instance->PrepareStreamTranscodeAsync(arg0,arg1,arg2);
        }
        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::Media::Transcoding::PrepareTranscodeResult^> t) {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = WrapPrepareTranscodeResult(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 PrepareMediaStreamSourceTranscodeAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(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;
      }

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

      ::Windows::Foundation::IAsyncOperation<::Windows::Media::Transcoding::PrepareTranscodeResult^>^ op;


      if (info.Length() == 4
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Core::IMediaSource^>(info[0])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::Streams::IRandomAccessStream^>(info[1])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::MediaProperties::MediaEncodingProfile^>(info[2]))
      {
        try
        {
          ::Windows::Media::Core::IMediaSource^ arg0 = dynamic_cast<::Windows::Media::Core::IMediaSource^>(NodeRT::Utils::GetObjectInstance(info[0]));
          ::Windows::Storage::Streams::IRandomAccessStream^ arg1 = dynamic_cast<::Windows::Storage::Streams::IRandomAccessStream^>(NodeRT::Utils::GetObjectInstance(info[1]));
          ::Windows::Media::MediaProperties::MediaEncodingProfile^ arg2 = dynamic_cast<::Windows::Media::MediaProperties::MediaEncodingProfile^>(NodeRT::Utils::GetObjectInstance(info[2]));
          
          op = wrapper->_instance->PrepareMediaStreamSourceTranscodeAsync(arg0,arg1,arg2);
        }
        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::Media::Transcoding::PrepareTranscodeResult^> t) {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = WrapPrepareTranscodeResult(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 AddAudioEffect(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

      MediaTranscoder *wrapper = MediaTranscoder::Unwrap<MediaTranscoder>(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])));
          
          wrapper->_instance->AddAudioEffect(arg0);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 3
        && info[0]->IsString()
        && info[1]->IsBoolean()
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Foundation::Collections::IPropertySet^>(info[2]))
      {
        try
        {
          Platform::String^ arg0 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), info[0])));
          bool arg1 = Nan::To<bool>(info[1]).FromMaybe(false);
          ::Windows::Foundation::Collections::IPropertySet^ arg2 = dynamic_cast<::Windows::Foundation::Collections::IPropertySet^>(NodeRT::Utils::GetObjectInstance(info[2]));
          
          wrapper->_instance->AddAudioEffect(arg0, arg1, arg2);
          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 AddVideoEffect(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

      MediaTranscoder *wrapper = MediaTranscoder::Unwrap<MediaTranscoder>(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])));
          
          wrapper->_instance->AddVideoEffect(arg0);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 3
        && info[0]->IsString()
        && info[1]->IsBoolean()
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Foundation::Collections::IPropertySet^>(info[2]))
      {
        try
        {
          Platform::String^ arg0 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), info[0])));
          bool arg1 = Nan::To<bool>(info[1]).FromMaybe(false);
          ::Windows::Foundation::Collections::IPropertySet^ arg2 = dynamic_cast<::Windows::Foundation::Collections::IPropertySet^>(NodeRT::Utils::GetObjectInstance(info[2]));
          
          wrapper->_instance->AddVideoEffect(arg0, arg1, arg2);
          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 ClearEffects(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      if (info.Length() == 0)
      {
        try
        {
          wrapper->_instance->ClearEffects();
          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 TrimStopTimeGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      try  {
        ::Windows::Foundation::TimeSpan result = wrapper->_instance->TrimStopTime;
        info.GetReturnValue().Set(Nan::New<Number>(result.Duration/10000.0));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void TrimStopTimeSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      try {

        ::Windows::Foundation::TimeSpan winRtValue = NodeRT::Utils::TimeSpanFromMilli(Nan::To<int64_t>(value).FromMaybe(0));

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      try  {
        ::Windows::Foundation::TimeSpan result = wrapper->_instance->TrimStartTime;
        info.GetReturnValue().Set(Nan::New<Number>(result.Duration/10000.0));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void TrimStartTimeSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      try {

        ::Windows::Foundation::TimeSpan winRtValue = NodeRT::Utils::TimeSpanFromMilli(Nan::To<int64_t>(value).FromMaybe(0));

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

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

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      try {

        bool winRtValue = Nan::To<bool>(value).FromMaybe(false);

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

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

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      try {

        bool winRtValue = Nan::To<bool>(value).FromMaybe(false);

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      try  {
        ::Windows::Media::Transcoding::MediaVideoProcessingAlgorithm result = wrapper->_instance->VideoProcessingAlgorithm;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void VideoProcessingAlgorithmSetter(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::Media::Transcoding::MediaTranscoder^>(info.This())) {
        return;
      }

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

      try {

        ::Windows::Media::Transcoding::MediaVideoProcessingAlgorithm winRtValue = static_cast<::Windows::Media::Transcoding::MediaVideoProcessingAlgorithm>(Nan::To<int32_t>(value).FromMaybe(0));

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


    private:
      ::Windows::Media::Transcoding::MediaTranscoder^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapMediaTranscoder(::Windows::Media::Transcoding::MediaTranscoder^ wintRtInstance);
      friend ::Windows::Media::Transcoding::MediaTranscoder^ UnwrapMediaTranscoder(Local<Value> value);
  };

  Persistent<FunctionTemplate> MediaTranscoder::s_constructorTemplate;

  v8::Local<v8::Value> WrapMediaTranscoder(::Windows::Media::Transcoding::MediaTranscoder^ 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>(MediaTranscoder::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Media::Transcoding::MediaTranscoder^ UnwrapMediaTranscoder(Local<Value> value) {
     return MediaTranscoder::Unwrap<MediaTranscoder>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitMediaTranscoder(Local<Object> exports) {
    MediaTranscoder::Init(exports);
  }

  class PrepareTranscodeResult : 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>("PrepareTranscodeResult").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);

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


          
            Nan::SetPrototypeMethod(localRef, "transcodeAsync", TranscodeAsync);
          


          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("canTranscode").ToLocalChecked(), CanTranscodeGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("failureReason").ToLocalChecked(), FailureReasonGetter);

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



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

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

    private:

      PrepareTranscodeResult(::Windows::Media::Transcoding::PrepareTranscodeResult^ 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::Media::Transcoding::PrepareTranscodeResult^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::PrepareTranscodeResult^>(info[0])) {
        try {
          winRtInstance = (::Windows::Media::Transcoding::PrepareTranscodeResult^) 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());

      PrepareTranscodeResult *wrapperInstance = new PrepareTranscodeResult(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::Media::Transcoding::PrepareTranscodeResult^>(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::Media::Transcoding::PrepareTranscodeResult^ winRtInstance;
      try {
        winRtInstance = (::Windows::Media::Transcoding::PrepareTranscodeResult^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

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

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::PrepareTranscodeResult^>(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;
      }

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

      ::Windows::Foundation::IAsyncActionWithProgress<double>^ op;


      if (info.Length() == 1)
      {
        try
        {
          op = wrapper->_instance->TranscodeAsync();
        }
        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<void> t) {
        try {
          t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> args[] = {Undefined()};


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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::PrepareTranscodeResult^>(info.This())) {
        return;
      }

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

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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Media::Transcoding::PrepareTranscodeResult^>(info.This())) {
        return;
      }

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

      try  {
        ::Windows::Media::Transcoding::TranscodeFailureReason result = wrapper->_instance->FailureReason;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      


    private:
      ::Windows::Media::Transcoding::PrepareTranscodeResult^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapPrepareTranscodeResult(::Windows::Media::Transcoding::PrepareTranscodeResult^ wintRtInstance);
      friend ::Windows::Media::Transcoding::PrepareTranscodeResult^ UnwrapPrepareTranscodeResult(Local<Value> value);
  };

  Persistent<FunctionTemplate> PrepareTranscodeResult::s_constructorTemplate;

  v8::Local<v8::Value> WrapPrepareTranscodeResult(::Windows::Media::Transcoding::PrepareTranscodeResult^ 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>(PrepareTranscodeResult::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Media::Transcoding::PrepareTranscodeResult^ UnwrapPrepareTranscodeResult(Local<Value> value) {
     return PrepareTranscodeResult::Unwrap<PrepareTranscodeResult>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitPrepareTranscodeResult(Local<Object> exports) {
    PrepareTranscodeResult::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::Media::Transcoding::InitMediaVideoProcessingAlgorithmEnum(target);
      NodeRT::Windows::Media::Transcoding::InitTranscodeFailureReasonEnum(target);
      NodeRT::Windows::Media::Transcoding::InitMediaTranscoder(target);
      NodeRT::Windows::Media::Transcoding::InitPrepareTranscodeResult(target);


  NodeRT::Utils::RegisterNameSpace("Windows.Media.Transcoding", target);
}



NODE_MODULE(binding, init)