// 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 Foundation { namespace Numerics { 



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

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

    symbol = Nan::New<String>("numerator").ToLocalChecked();
    if (Nan::Has(obj, symbol).FromMaybe(false)) {
      if (!Nan::Get(obj,symbol).ToLocalChecked()->IsUint32()) {
        return false;
      }
    }
    
    symbol = Nan::New<String>("denominator").ToLocalChecked();
    if (Nan::Has(obj, symbol).FromMaybe(false)) {
      if (!Nan::Get(obj,symbol).ToLocalChecked()->IsUint32()) {
        return false;
      }
    }
    
    return true;
  }

  ::Windows::Foundation::Numerics::Rational RationalFromJsObject(Local<Value> value) {
    HandleScope scope;
    ::Windows::Foundation::Numerics::Rational 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;

    symbol = Nan::New<String>("numerator").ToLocalChecked();
    if (Nan::Has(obj, symbol).FromMaybe(false)) {
      returnValue.Numerator = static_cast<unsigned int>(Nan::To<uint32_t>(Nan::Get(obj,symbol).ToLocalChecked()).FromMaybe(0));
    }
    
    symbol = Nan::New<String>("denominator").ToLocalChecked();
    if (Nan::Has(obj, symbol).FromMaybe(false)) {
      returnValue.Denominator = static_cast<unsigned int>(Nan::To<uint32_t>(Nan::Get(obj,symbol).ToLocalChecked()).FromMaybe(0));
    }
    
    return returnValue;
  }

  Local<Value> RationalToJsObject(::Windows::Foundation::Numerics::Rational value) {
    EscapableHandleScope scope;

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

    Nan::Set(obj, Nan::New<String>("numerator").ToLocalChecked(), Nan::New<Integer>(value.Numerator));
    Nan::Set(obj, Nan::New<String>("denominator").ToLocalChecked(), Nan::New<Integer>(value.Denominator));

    return scope.Escape(obj);
  }



} } } } 

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::Utils::RegisterNameSpace("Windows.Foundation.Numerics", target);
}



NODE_MODULE(binding, init)