// Copyright (c) Microsoft Corporation
// 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::Handle;
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 Data { namespace Pdf { 

  v8::Local<v8::Value> WrapPdfPageRenderOptions(::Windows::Data::Pdf::PdfPageRenderOptions^ wintRtInstance);
  ::Windows::Data::Pdf::PdfPageRenderOptions^ UnwrapPdfPageRenderOptions(Local<Value> value);
  
  v8::Local<v8::Value> WrapPdfPageDimensions(::Windows::Data::Pdf::PdfPageDimensions^ wintRtInstance);
  ::Windows::Data::Pdf::PdfPageDimensions^ UnwrapPdfPageDimensions(Local<Value> value);
  
  v8::Local<v8::Value> WrapPdfPage(::Windows::Data::Pdf::PdfPage^ wintRtInstance);
  ::Windows::Data::Pdf::PdfPage^ UnwrapPdfPage(Local<Value> value);
  
  v8::Local<v8::Value> WrapPdfDocument(::Windows::Data::Pdf::PdfDocument^ wintRtInstance);
  ::Windows::Data::Pdf::PdfDocument^ UnwrapPdfDocument(Local<Value> value);
  


  static void InitPdfPageRotationEnum(const Local<Object> exports)
  {
    HandleScope scope;
    
	Local<Object> enumObject = Nan::New<Object>();
    Nan::Set(exports, Nan::New<String>("PdfPageRotation").ToLocalChecked(), enumObject);
	Nan::Set(enumObject, Nan::New<String>("normal").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Data::Pdf::PdfPageRotation::Normal)));
	Nan::Set(enumObject, Nan::New<String>("rotate90").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Data::Pdf::PdfPageRotation::Rotate90)));
	Nan::Set(enumObject, Nan::New<String>("rotate180").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Data::Pdf::PdfPageRotation::Rotate180)));
	Nan::Set(enumObject, Nan::New<String>("rotate270").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::Data::Pdf::PdfPageRotation::Rotate270)));
  }



  
  static bool IsRectJsObject(Local<Value> value)
  {
    if (!value->IsObject())
    {
      return false;
    }

    Local<String> symbol;
    Local<Object> obj = Nan::To<Object>(value).ToLocalChecked();

    return true;
  }

  ::Windows::Foundation::Rect RectFromJsObject(Local<Value> value)
  {
    HandleScope scope;
    ::Windows::Foundation::Rect returnValue;
    
    if (!value->IsObject())
    {
      Nan::ThrowError(Nan::TypeError(NodeRT::Utils::NewString(L"Unexpected type, expected an object")));
      return returnValue;
    }

    Local<Object> obj = Nan::To<Object>(value).ToLocalChecked();
    Local<String> symbol;

    return returnValue;
  }

  Local<Value> RectToJsObject(::Windows::Foundation::Rect value)
  {
    EscapableHandleScope scope;

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

    
    return scope.Escape(obj);
  }

  
  static bool IsColorJsObject(Local<Value> value)
  {
    if (!value->IsObject())
    {
      return false;
    }

    Local<String> symbol;
    Local<Object> obj = Nan::To<Object>(value).ToLocalChecked();

    return true;
  }

  ::Windows::UI::Color ColorFromJsObject(Local<Value> value)
  {
    HandleScope scope;
    ::Windows::UI::Color returnValue;
    
    if (!value->IsObject())
    {
      Nan::ThrowError(Nan::TypeError(NodeRT::Utils::NewString(L"Unexpected type, expected an object")));
      return returnValue;
    }

    Local<Object> obj = Nan::To<Object>(value).ToLocalChecked();
    Local<String> symbol;

    return returnValue;
  }

  Local<Value> ColorToJsObject(::Windows::UI::Color value)
  {
    EscapableHandleScope scope;

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

    
    return scope.Escape(obj);
  }

  
  static bool IsSizeJsObject(Local<Value> value)
  {
    if (!value->IsObject())
    {
      return false;
    }

    Local<String> symbol;
    Local<Object> obj = Nan::To<Object>(value).ToLocalChecked();

    return true;
  }

  ::Windows::Foundation::Size SizeFromJsObject(Local<Value> value)
  {
    HandleScope scope;
    ::Windows::Foundation::Size returnValue;
    
    if (!value->IsObject())
    {
      Nan::ThrowError(Nan::TypeError(NodeRT::Utils::NewString(L"Unexpected type, expected an object")));
      return returnValue;
    }

    Local<Object> obj = Nan::To<Object>(value).ToLocalChecked();
    Local<String> symbol;

    return returnValue;
  }

  Local<Value> SizeToJsObject(::Windows::Foundation::Size value)
  {
    EscapableHandleScope scope;

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

    
    return scope.Escape(obj);
  }

  
  class PdfPageRenderOptions : 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>("PdfPageRenderOptions").ToLocalChecked());
      localRef->InstanceTemplate()->SetInternalFieldCount(1);
      
                              
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("sourceRect").ToLocalChecked(), SourceRectGetter, SourceRectSetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("isIgnoringHighContrast").ToLocalChecked(), IsIgnoringHighContrastGetter, IsIgnoringHighContrastSetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("destinationWidth").ToLocalChecked(), DestinationWidthGetter, DestinationWidthSetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("destinationHeight").ToLocalChecked(), DestinationHeightGetter, DestinationHeightSetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("bitmapEncoderId").ToLocalChecked(), BitmapEncoderIdGetter, BitmapEncoderIdSetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("backgroundColor").ToLocalChecked(), BackgroundColorGetter, BackgroundColorSetter);
      
      Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();


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


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

  private:
    
    PdfPageRenderOptions(::Windows::Data::Pdf::PdfPageRenderOptions^ 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];
          }

          info.GetReturnValue().Set(Nan::CallAsConstructor(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get()).ToLocalChecked());
	    	  return;
        }
        else
        {
          info.GetReturnValue().Set(Nan::CallAsConstructor(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr).ToLocalChecked());
		       return;
        }
      }
      
      ::Windows::Data::Pdf::PdfPageRenderOptions^ winRtInstance;


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

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

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


  



    static void SourceRectGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Foundation::Rect result = wrapper->_instance->SourceRect;
        info.GetReturnValue().Set(NodeRT::Utils::RectToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void SourceRectSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsRect(value))
      {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        
        ::Windows::Foundation::Rect winRtValue = NodeRT::Utils::RectFromJs(value);

        wrapper->_instance->SourceRect = winRtValue;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
    
    static void IsIgnoringHighContrastGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        bool result = wrapper->_instance->IsIgnoringHighContrast;
        info.GetReturnValue().Set(Nan::New<Boolean>(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void IsIgnoringHighContrastSetter(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::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

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

        wrapper->_instance->IsIgnoringHighContrast = winRtValue;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
    
    static void DestinationWidthGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        unsigned int result = wrapper->_instance->DestinationWidth;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void DestinationWidthSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info)
    {
      HandleScope scope;
      
      if (!value->IsUint32())
      {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        
        unsigned int winRtValue = static_cast<unsigned int>(Nan::To<uint32_t>(value).FromMaybe(0));

        wrapper->_instance->DestinationWidth = winRtValue;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
    
    static void DestinationHeightGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        unsigned int result = wrapper->_instance->DestinationHeight;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void DestinationHeightSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info)
    {
      HandleScope scope;
      
      if (!value->IsUint32())
      {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        
        unsigned int winRtValue = static_cast<unsigned int>(Nan::To<uint32_t>(value).FromMaybe(0));

        wrapper->_instance->DestinationHeight = winRtValue;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
    
    static void BitmapEncoderIdGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Platform::Guid result = wrapper->_instance->BitmapEncoderId;
        info.GetReturnValue().Set(NodeRT::Utils::GuidToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void BitmapEncoderIdSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsGuid(value))
      {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        
        ::Platform::Guid winRtValue = NodeRT::Utils::GuidFromJs(value);

        wrapper->_instance->BitmapEncoderId = winRtValue;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
    
    static void BackgroundColorGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::UI::Color result = wrapper->_instance->BackgroundColor;
        info.GetReturnValue().Set(NodeRT::Utils::ColorToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void BackgroundColorSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsColor(value))
      {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        
        ::Windows::UI::Color winRtValue = NodeRT::Utils::ColorFromJs(value);

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


  private:
    ::Windows::Data::Pdf::PdfPageRenderOptions^ _instance;
    static Persistent<FunctionTemplate> s_constructorTemplate;

    friend v8::Local<v8::Value> WrapPdfPageRenderOptions(::Windows::Data::Pdf::PdfPageRenderOptions^ wintRtInstance);
    friend ::Windows::Data::Pdf::PdfPageRenderOptions^ UnwrapPdfPageRenderOptions(Local<Value> value);
  };
  Persistent<FunctionTemplate> PdfPageRenderOptions::s_constructorTemplate;

  v8::Local<v8::Value> WrapPdfPageRenderOptions(::Windows::Data::Pdf::PdfPageRenderOptions^ 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>(PdfPageRenderOptions::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Data::Pdf::PdfPageRenderOptions^ UnwrapPdfPageRenderOptions(Local<Value> value)
  {
     return PdfPageRenderOptions::Unwrap<PdfPageRenderOptions>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitPdfPageRenderOptions(Local<Object> exports)
  {
    PdfPageRenderOptions::Init(exports);
  }

  class PdfPageDimensions : 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>("PdfPageDimensions").ToLocalChecked());
      localRef->InstanceTemplate()->SetInternalFieldCount(1);
      
                              
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("artBox").ToLocalChecked(), ArtBoxGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("bleedBox").ToLocalChecked(), BleedBoxGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("cropBox").ToLocalChecked(), CropBoxGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("mediaBox").ToLocalChecked(), MediaBoxGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("trimBox").ToLocalChecked(), TrimBoxGetter);
      
      Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();


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


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

  private:
    
    PdfPageDimensions(::Windows::Data::Pdf::PdfPageDimensions^ 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];
          }

          info.GetReturnValue().Set(Nan::CallAsConstructor(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get()).ToLocalChecked());
	    	  return;
        }
        else
        {
          info.GetReturnValue().Set(Nan::CallAsConstructor(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr).ToLocalChecked());
		       return;
        }
      }
      
      ::Windows::Data::Pdf::PdfPageDimensions^ winRtInstance;


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

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

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


  



    static void ArtBoxGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageDimensions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Foundation::Rect result = wrapper->_instance->ArtBox;
        info.GetReturnValue().Set(NodeRT::Utils::RectToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void BleedBoxGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageDimensions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Foundation::Rect result = wrapper->_instance->BleedBox;
        info.GetReturnValue().Set(NodeRT::Utils::RectToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void CropBoxGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageDimensions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Foundation::Rect result = wrapper->_instance->CropBox;
        info.GetReturnValue().Set(NodeRT::Utils::RectToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void MediaBoxGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageDimensions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Foundation::Rect result = wrapper->_instance->MediaBox;
        info.GetReturnValue().Set(NodeRT::Utils::RectToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void TrimBoxGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageDimensions^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Foundation::Rect result = wrapper->_instance->TrimBox;
        info.GetReturnValue().Set(NodeRT::Utils::RectToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    


  private:
    ::Windows::Data::Pdf::PdfPageDimensions^ _instance;
    static Persistent<FunctionTemplate> s_constructorTemplate;

    friend v8::Local<v8::Value> WrapPdfPageDimensions(::Windows::Data::Pdf::PdfPageDimensions^ wintRtInstance);
    friend ::Windows::Data::Pdf::PdfPageDimensions^ UnwrapPdfPageDimensions(Local<Value> value);
  };
  Persistent<FunctionTemplate> PdfPageDimensions::s_constructorTemplate;

  v8::Local<v8::Value> WrapPdfPageDimensions(::Windows::Data::Pdf::PdfPageDimensions^ 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>(PdfPageDimensions::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Data::Pdf::PdfPageDimensions^ UnwrapPdfPageDimensions(Local<Value> value)
  {
     return PdfPageDimensions::Unwrap<PdfPageDimensions>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitPdfPageDimensions(Local<Object> exports)
  {
    PdfPageDimensions::Init(exports);
  }

  class PdfPage : 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>("PdfPage").ToLocalChecked());
      localRef->InstanceTemplate()->SetInternalFieldCount(1);
      
      Local<Function> func;
      Local<FunctionTemplate> funcTemplate;
            
      Nan::SetPrototypeMethod(localRef, "close", Close);
      
            
      Nan::SetPrototypeMethod(localRef, "renderToStreamAsync", RenderToStreamAsync);
      Nan::SetPrototypeMethod(localRef, "preparePageAsync", PreparePageAsync);
      
                  
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("dimensions").ToLocalChecked(), DimensionsGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("index").ToLocalChecked(), IndexGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("preferredZoom").ToLocalChecked(), PreferredZoomGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("rotation").ToLocalChecked(), RotationGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("size").ToLocalChecked(), SizeGetter);
      
      Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();


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


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

  private:
    
    PdfPage(::Windows::Data::Pdf::PdfPage^ 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];
          }

          info.GetReturnValue().Set(Nan::CallAsConstructor(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get()).ToLocalChecked());
	    	  return;
        }
        else
        {
          info.GetReturnValue().Set(Nan::CallAsConstructor(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr).ToLocalChecked());
		       return;
        }
      }
      
      ::Windows::Data::Pdf::PdfPage^ winRtInstance;


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

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

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


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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPage^>(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;
      }

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

      ::Windows::Foundation::IAsyncAction^ op;
    

      if (info.Length() == 2
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::Streams::IRandomAccessStream^>(info[0]))
      {
        try
        {
          ::Windows::Storage::Streams::IRandomAccessStream^ arg0 = dynamic_cast<::Windows::Storage::Streams::IRandomAccessStream^>(NodeRT::Utils::GetObjectInstance(info[0]));
          
          op = wrapper->_instance->RenderToStreamAsync(arg0);
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 3
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::Streams::IRandomAccessStream^>(info[0])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPageRenderOptions^>(info[1]))
      {
        try
        {
          ::Windows::Storage::Streams::IRandomAccessStream^ arg0 = dynamic_cast<::Windows::Storage::Streams::IRandomAccessStream^>(NodeRT::Utils::GetObjectInstance(info[0]));
          ::Windows::Data::Pdf::PdfPageRenderOptions^ arg1 = UnwrapPdfPageRenderOptions(info[1]);
          
          op = wrapper->_instance->RenderToStreamAsync(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<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 PreparePageAsync(Nan::NAN_METHOD_ARGS_TYPE info)
    {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPage^>(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;
      }

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

      ::Windows::Foundation::IAsyncAction^ op;
    

      if (info.Length() == 1)
      {
        try
        {
          op = wrapper->_instance->PreparePageAsync();
        }
        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 Close(Nan::NAN_METHOD_ARGS_TYPE info)
    {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPage^>(info.This()))
      {
	    return;
      }

      PdfPage *wrapper = PdfPage::Unwrap<PdfPage>(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 DimensionsGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPage^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Data::Pdf::PdfPageDimensions^ result = wrapper->_instance->Dimensions;
        info.GetReturnValue().Set(WrapPdfPageDimensions(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void IndexGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPage^>(info.This()))
      {
        return;
      }

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

      try 
      {
        unsigned int result = wrapper->_instance->Index;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void PreferredZoomGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPage^>(info.This()))
      {
        return;
      }

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

      try 
      {
        float result = wrapper->_instance->PreferredZoom;
        info.GetReturnValue().Set(Nan::New<Number>(static_cast<double>(result)));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void RotationGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPage^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Data::Pdf::PdfPageRotation result = wrapper->_instance->Rotation;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void SizeGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfPage^>(info.This()))
      {
        return;
      }

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

      try 
      {
        ::Windows::Foundation::Size result = wrapper->_instance->Size;
        info.GetReturnValue().Set(NodeRT::Utils::SizeToJs(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    


  private:
    ::Windows::Data::Pdf::PdfPage^ _instance;
    static Persistent<FunctionTemplate> s_constructorTemplate;

    friend v8::Local<v8::Value> WrapPdfPage(::Windows::Data::Pdf::PdfPage^ wintRtInstance);
    friend ::Windows::Data::Pdf::PdfPage^ UnwrapPdfPage(Local<Value> value);
  };
  Persistent<FunctionTemplate> PdfPage::s_constructorTemplate;

  v8::Local<v8::Value> WrapPdfPage(::Windows::Data::Pdf::PdfPage^ 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>(PdfPage::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Data::Pdf::PdfPage^ UnwrapPdfPage(Local<Value> value)
  {
     return PdfPage::Unwrap<PdfPage>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitPdfPage(Local<Object> exports)
  {
    PdfPage::Init(exports);
  }

  class PdfDocument : 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>("PdfDocument").ToLocalChecked());
      localRef->InstanceTemplate()->SetInternalFieldCount(1);
      
      Local<Function> func;
      Local<FunctionTemplate> funcTemplate;
            
      Nan::SetPrototypeMethod(localRef, "getPage", GetPage);
      
                        
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("isPasswordProtected").ToLocalChecked(), IsPasswordProtectedGetter);
      Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("pageCount").ToLocalChecked(), PageCountGetter);
      
      Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();

      func = Nan::GetFunction(Nan::New<FunctionTemplate>(LoadFromFileAsync)).ToLocalChecked();
      Nan::Set(constructor, Nan::New<String>("loadFromFileAsync").ToLocalChecked(), func);
      func = Nan::GetFunction(Nan::New<FunctionTemplate>(LoadFromStreamAsync)).ToLocalChecked();
      Nan::Set(constructor, Nan::New<String>("loadFromStreamAsync").ToLocalChecked(), func);

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


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

  private:
    
    PdfDocument(::Windows::Data::Pdf::PdfDocument^ 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];
          }

          info.GetReturnValue().Set(Nan::CallAsConstructor(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get()).ToLocalChecked());
	    	  return;
        }
        else
        {
          info.GetReturnValue().Set(Nan::CallAsConstructor(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr).ToLocalChecked());
		       return;
        }
      }
      
      ::Windows::Data::Pdf::PdfDocument^ winRtInstance;


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

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

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


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

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfDocument^>(info.This()))
      {
        return;
      }

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

      if (info.Length() == 1
        && info[0]->IsUint32())
      {
        try
        {
          unsigned int arg0 = static_cast<unsigned int>(Nan::To<uint32_t>(info[0]).FromMaybe(0));
          
          ::Windows::Data::Pdf::PdfPage^ result;
          result = wrapper->_instance->GetPage(arg0);
          info.GetReturnValue().Set(WrapPdfPage(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 LoadFromFileAsync(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::Data::Pdf::PdfDocument^>^ op;
      

      if (info.Length() == 2
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::IStorageFile^>(info[0]))
      {
        try
        {
          ::Windows::Storage::IStorageFile^ arg0 = dynamic_cast<::Windows::Storage::IStorageFile^>(NodeRT::Utils::GetObjectInstance(info[0]));
          
          op = ::Windows::Data::Pdf::PdfDocument::LoadFromFileAsync(arg0);
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 3
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::IStorageFile^>(info[0])
        && info[1]->IsString())
      {
        try
        {
          ::Windows::Storage::IStorageFile^ arg0 = dynamic_cast<::Windows::Storage::IStorageFile^>(NodeRT::Utils::GetObjectInstance(info[0]));
          Platform::String^ arg1 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(info[1])));
          
          op = ::Windows::Data::Pdf::PdfDocument::LoadFromFileAsync(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::Data::Pdf::PdfDocument^> t) 
      {	
        try
        {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {

            
            TryCatch tryCatch;
            Local<Value> error; 
            Local<Value> arg1 = WrapPdfDocument(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 LoadFromStreamAsync(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::Data::Pdf::PdfDocument^>^ op;
      

      if (info.Length() == 2
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::Streams::IRandomAccessStream^>(info[0]))
      {
        try
        {
          ::Windows::Storage::Streams::IRandomAccessStream^ arg0 = dynamic_cast<::Windows::Storage::Streams::IRandomAccessStream^>(NodeRT::Utils::GetObjectInstance(info[0]));
          
          op = ::Windows::Data::Pdf::PdfDocument::LoadFromStreamAsync(arg0);
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 3
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Storage::Streams::IRandomAccessStream^>(info[0])
        && info[1]->IsString())
      {
        try
        {
          ::Windows::Storage::Streams::IRandomAccessStream^ arg0 = dynamic_cast<::Windows::Storage::Streams::IRandomAccessStream^>(NodeRT::Utils::GetObjectInstance(info[0]));
          Platform::String^ arg1 = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(info[1])));
          
          op = ::Windows::Data::Pdf::PdfDocument::LoadFromStreamAsync(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::Data::Pdf::PdfDocument^> t) 
      {	
        try
        {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {

            
            TryCatch tryCatch;
            Local<Value> error; 
            Local<Value> arg1 = WrapPdfDocument(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 IsPasswordProtectedGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfDocument^>(info.This()))
      {
        return;
      }

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

      try 
      {
        bool result = wrapper->_instance->IsPasswordProtected;
        info.GetReturnValue().Set(Nan::New<Boolean>(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    
    static void PageCountGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info)
    {
      HandleScope scope;
      
      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::Data::Pdf::PdfDocument^>(info.This()))
      {
        return;
      }

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

      try 
      {
        unsigned int result = wrapper->_instance->PageCount;
        info.GetReturnValue().Set(Nan::New<Integer>(result));
        return;
      }
      catch (Platform::Exception ^exception)
      {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
    


  private:
    ::Windows::Data::Pdf::PdfDocument^ _instance;
    static Persistent<FunctionTemplate> s_constructorTemplate;

    friend v8::Local<v8::Value> WrapPdfDocument(::Windows::Data::Pdf::PdfDocument^ wintRtInstance);
    friend ::Windows::Data::Pdf::PdfDocument^ UnwrapPdfDocument(Local<Value> value);
  };
  Persistent<FunctionTemplate> PdfDocument::s_constructorTemplate;

  v8::Local<v8::Value> WrapPdfDocument(::Windows::Data::Pdf::PdfDocument^ 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>(PdfDocument::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::Data::Pdf::PdfDocument^ UnwrapPdfDocument(Local<Value> value)
  {
     return PdfDocument::Unwrap<PdfDocument>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitPdfDocument(Local<Object> exports)
  {
    PdfDocument::Init(exports);
  }

} } } } 

NAN_MODULE_INIT(init)
{
  if (FAILED(CoInitializeEx(nullptr, COINIT_MULTITHREADED)))
  {
    Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"error in CoInitializeEx()")));
    return;
  }
  
  NodeRT::Windows::Data::Pdf::InitPdfPageRotationEnum(target);
  NodeRT::Windows::Data::Pdf::InitPdfPageRenderOptions(target);
  NodeRT::Windows::Data::Pdf::InitPdfPageDimensions(target);
  NodeRT::Windows::Data::Pdf::InitPdfPage(target);
  NodeRT::Windows::Data::Pdf::InitPdfDocument(target);

  NodeRT::Utils::RegisterNameSpace("Windows.Data.Pdf", target);
}


NODE_MODULE(binding, init)