
{%partial doc .%}
NAN_METHOD({{ cppClassName }}::{{ cppFunctionName }}) {
  {%partial guardArguments .%}
  if (info.Length() == {{args|jsArgsCount}} || !info[{{args|jsArgsCount}}]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  {{ cppFunctionName }}Baton* baton = new {{ cppFunctionName }}Baton;

  baton->error_code = GIT_OK;
  baton->error = NULL;

  {%each args|argsInfo as arg %}
    {%if arg.globalPayload %}
      {{ cppFunctionName }}_globalPayload* globalPayload = new {{ cppFunctionName }}_globalPayload;
    {%endif%}
  {%endeach%}

  {%each args|argsInfo as arg %}
    {%if not arg.isReturn %}
      {%if arg.isSelf %}
        baton->{{ arg.name }} = Nan::ObjectWrap::Unwrap<{{ arg.cppClassName }}>(info.This())->GetValue();
      {%elsif arg.isCallbackFunction %}
        if (!info[{{ arg.jsArg }}]->IsFunction()) {
          baton->{{ arg.name }} = NULL;
        {%if arg.payload.globalPayload %}
          globalPayload->{{ arg.name }} = NULL;
        {%else%}
          baton->{{ arg.payload.name }} = NULL;
        {%endif%}
        }
        else {
          baton->{{ arg.name}} = {{ cppFunctionName }}_{{ arg.name }}_cppCallback;
          {%if arg.payload.globalPayload %}
            globalPayload->{{ arg.name }} = new Nan::Callback(info[{{ arg.jsArg }}].As<Function>());
          {%else%}
            baton->{{ arg.payload.name }} = new Nan::Callback(info[{{ arg.jsArg }}].As<Function>());
          {%endif%}
        }
      {%elsif arg.payloadFor %}
        {%if arg.globalPayload %}
          baton->{{ arg.name }} = globalPayload;
        {%endif%}
      {%elsif arg.name %}
        {%partial convertFromV8 arg%}
        {%if not arg.payloadFor %}
          baton->{{ arg.name }} = from_{{ arg.name }};
          {%if arg | isOid %}
            baton->{{ arg.name }}NeedsFree = info[{{ arg.jsArg }}]->IsString();
          {%endif%}
        {%endif%}
      {%endif%}
    {%elsif arg.shouldAlloc %}
      baton->{{arg.name}} = ({{ arg.cType }})malloc(sizeof({{ arg.cType|replace '*' '' }}));
      {%if arg.cppClassName == "GitBuf" %}
        baton->{{arg.name}}->ptr = NULL;
        baton->{{arg.name}}->size = baton->{{arg.name}}->asize = 0;
      {%endif%}
    {%endif%}
  {%endeach%}

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[{{args|jsArgsCount}}]));
  {{ cppFunctionName }}Worker *worker = new {{ cppFunctionName }}Worker(baton, callback);

  {%each args|argsInfo as arg %}
    {%if not arg.isReturn %}
      {%if arg.isSelf %}
        worker->SaveToPersistent("{{ arg.name }}", info.This());
      {%elsif not arg.isCallbackFunction %}
        if (!info[{{ arg.jsArg }}]->IsUndefined() && !info[{{ arg.jsArg }}]->IsNull())
          worker->SaveToPersistent("{{ arg.name }}", info[{{ arg.jsArg }}]->ToObject());
      {%endif%}
    {%endif%}
  {%endeach%}

  AsyncLibgit2QueueWorker(worker);
  return;
}

void {{ cppClassName }}::{{ cppFunctionName }}Worker::Execute() {
  giterr_clear();

  {
    LockMaster lockMaster(
      /*asyncAction: */true
      {%each args|argsInfo as arg %}
        {%if arg.cType|isPointer%}
          {%if not arg.cType|isDoublePointer%}
            ,baton->{{ arg.name }}
          {%endif%}
        {%endif%}
      {%endeach%}
    );

  {%if .|hasReturnType %}
    {{ return.cType }} result = {{ cFunctionName }}(
  {%else%}
    {{ cFunctionName }}(
  {%endif%}
    {%-- Insert Function Arguments --%}
    {%each args|argsInfo as arg %}
      {%-- turn the pointer into a ref --%}
      {%if arg.isReturn|and arg.cType|isDoublePointer %}&{%endif%}baton->{{ arg.name }}{%if not arg.lastArg %},{%endif%}
    {%endeach%}
  );

    {%if return.isResultOrError %}
      baton->error_code = result;
      if (result < GIT_OK && giterr_last() != NULL) {
        baton->error = git_error_dup(giterr_last());
      }

    {%elsif return.isErrorCode %}
      baton->error_code = result;

      if (result != GIT_OK && giterr_last() != NULL) {
        baton->error = git_error_dup(giterr_last());
      }

    {%elsif not return.cType == 'void' %}

      baton->result = result;

    {%endif%}
  }
}

void {{ cppClassName }}::{{ cppFunctionName }}Worker::HandleOKCallback() {
  {%if return.isResultOrError %}
    if (baton->error_code >= GIT_OK) {
  {%else%}
    if (baton->error_code == GIT_OK) {
  {%endif%}

  {%if return.isResultOrError %}
    v8::Local<v8::Value> result = Nan::New<v8::Number>(baton->error_code);

  {%elsif not .|returnsCount %}
    v8::Local<v8::Value> result = Nan::Undefined();
  {%else%}
    v8::Local<v8::Value> to;
    {%if .|returnsCount > 1 %}
      v8::Local<Object> result = Nan::New<Object>();
    {%endif%}
    {%each .|returnsInfo 0 1 as _return %}
      {%partial convertToV8 _return %}
      {%if .|returnsCount > 1 %}
        Nan::Set(result, Nan::New("{{ _return.returnNameOrName }}").ToLocalChecked(), to);
      {%endif%}
    {%endeach%}
    {%if .|returnsCount == 1 %}
      v8::Local<v8::Value> result = to;
    {%endif%}
  {%endif%}

    v8::Local<v8::Value> argv[2] = {
      Nan::Null(),
      result
    };
    callback->Call(2, argv, async_resource);
  } else {
    if (baton->error) {
      v8::Local<v8::Object> err;
      if (baton->error->message) {
        err = Nan::Error(baton->error->message)->ToObject();
      } else {
        err = Nan::Error("Method {{ jsFunctionName }} has thrown an error.")->ToObject();
      }
      err->Set(Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      err->Set(Nan::New("errorFunction").ToLocalChecked(), Nan::New("{{ jsClassName }}.{{ jsFunctionName }}").ToLocalChecked());
      v8::Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else if (baton->error_code < 0) {
      std::queue< v8::Local<v8::Value> > workerArguments;
      {%each args|argsInfo as arg %}
        {%if not arg.isReturn %}
          {%if not arg.isSelf %}
            {%if not arg.isCallbackFunction %}
              workerArguments.push(GetFromPersistent("{{ arg.name }}"));
            {%endif%}
          {%endif%}
        {%endif%}
      {%endeach%}
      bool callbackFired = false;
      while(!workerArguments.empty()) {
        v8::Local<v8::Value> node = workerArguments.front();
        workerArguments.pop();

        if (
          !node->IsObject()
          || node->IsArray()
          || node->IsBooleanObject()
          || node->IsDate()
          || node->IsFunction()
          || node->IsNumberObject()
          || node->IsRegExp()
          || node->IsStringObject()
        ) {
          continue;
        }

        v8::Local<v8::Object> nodeObj = node->ToObject();
        v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());

        if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            checkValue->ToObject()
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
          break;
        }

        v8::Local<v8::Array> properties = nodeObj->GetPropertyNames();
        for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
          v8::Local<v8::String> propName = properties->Get(propIndex)->ToString();
          v8::Local<v8::Value> nodeToQueue = nodeObj->Get(propName);
          if (!nodeToQueue->IsUndefined()) {
            workerArguments.push(nodeToQueue);
          }
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::Error("Method {{ jsFunctionName }} has thrown an error.")->ToObject();
        err->Set(Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        err->Set(Nan::New("errorFunction").ToLocalChecked(), Nan::New("{{ jsClassName }}.{{ jsFunctionName }}").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

    {%each args|argsInfo as arg %}
      {%if arg.shouldAlloc %}
        {%if not arg.isCppClassStringOrArray %}
        {%elsif arg | isOid %}
          if (baton->{{ arg.name}}NeedsFree) {
            baton->{{ arg.name}}NeedsFree = false;
            free((void*)baton->{{ arg.name }});
          }
        {%elsif arg.isCallbackFunction %}
          {%if not arg.payload.globalPayload %}
            delete baton->{{ arg.payload.name }};
          {%endif%}
        {%elsif arg.globalPayload %}
          delete ({{ cppFunctionName}}_globalPayload*)baton->{{ arg.name }};
        {%else%}
          free((void*)baton->{{ arg.name }});
        {%endif%}
      {%endif%}
    {%endeach%}
  }

  {%each args|argsInfo as arg %}
    {%if arg.isCppClassStringOrArray %}
      {%if arg.freeFunctionName %}
        {{ arg.freeFunctionName }}(baton->{{ arg.name }});
      {%elsif not arg.isConst%}
        free((void *)baton->{{ arg.name }});
      {%endif%}
    {%elsif arg | isOid %}
      if (baton->{{ arg.name}}NeedsFree) {
        baton->{{ arg.name}}NeedsFree = false;
        free((void *)baton->{{ arg.name }});
      }
    {%elsif arg.isCallbackFunction %}
      {%if not arg.payload.globalPayload %}
        delete baton->{{ arg.payload.name }};
      {%endif%}
    {%elsif arg.globalPayload %}
      delete ({{ cppFunctionName}}_globalPayload*)baton->{{ arg.name }};
    {%endif%}
    {%if arg.cppClassName == "GitBuf" %}
      {%if cppFunctionName == "Set" %}
      {%else%}
        git_buf_free(baton->{{ arg.name }});
        free((void *)baton->{{ arg.name }});
      {%endif%}
    {%endif%}
  {%endeach%}

  delete baton;
}

{%partial callbackHelpers .%}
