/* 
  Copyright (C) 2016 -2017 Jerry Jin
*/

#include <nan.h>
#include <string.h>

#include "browniangenerators.hpp"

#include <qlo/qladdindefines.hpp>
#include <qlo/browniangenerators.hpp>
 #include <oh/objecthandler.hpp>
#include <oh/conversions/getobjectvector.hpp>
#include <qlo/valueobjects/vo_all.hpp>
#include <qlo/conversions/all.hpp>
#include "../loop.hpp"


void MTBrownianGeneratorFactoryWorker::Execute(){

  try{
 
    // Construct the Value Object
    boost::shared_ptr<ObjectHandler::ValueObject> valueObject(
      new QuantLibAddin::ValueObjects::qlMTBrownianGeneratorFactory(
          mObjectID,
          mSeed,
          false
      ));

    // Construct the Object
    boost::shared_ptr<ObjectHandler::Object> object(
      new QuantLibAddin::MTBrownianGeneratorFactory(
          valueObject,
          mSeed,
          false
      ));

    // Store the Object in the Repository
    mReturnValue = ObjectHandler::Repository::instance().storeObject(mObjectID, object, false, valueObject);
    
   }catch(const std::exception &e){
    mError = e.what();
  }catch (...){
    mError = "unkown error";
  }

}

void MTBrownianGeneratorFactoryWorker::HandleOKCallback(){
  Nan::HandleScope scope;


  Local<v8::Value> argv[2] = {
		  Nan::New<String>(mError).ToLocalChecked(),
      Nan::New<String>(mReturnValue).ToLocalChecked()
	};

	callback->Call(2, argv);
}

NAN_METHOD(QuantLibNode::MTBrownianGeneratorFactory) {

  // validate js arguments
  if (info.Length() == 0 || !info[0]->IsString()) {
      return Nan::ThrowError("ObjectID is required.");
  }
  if (info.Length() == 1 || !info[1]->IsNumber()) {
      return Nan::ThrowError("Seed is required.");
  }
  // convert js argument to c++ type
  String::Utf8Value strObjectID(info[0]->ToString());
  string ObjectIDCpp(strdup(*strObjectID));

  // convert js argument to c++ type
  long SeedCpp = Nan::To<int32_t>(info[1]).FromJust();

 
  // declare callback
  Nan::Callback *callback = new Nan::Callback(info[2].As<Function>());
  // launch Async worker
  Nan::AsyncQueueWorker(new MTBrownianGeneratorFactoryWorker(
    callback
    ,ObjectIDCpp
    ,SeedCpp
  ));

}

//MTBrownianGeneratorFactoryWorker::~MTBrownianGeneratorFactoryWorker(){
//
//}

//void MTBrownianGeneratorFactoryWorker::Destroy(){
//
//}