// This is a generated file, modify: generate/templates/templates/class_content.cc

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

extern "C" {
  #include <git2.h>
 }

#include "../include/nodegit.h"
#include "../include/lock_master.h"
#include "../include/functions/copy.h"
#include "../include/revparse.h"
#include "nodegit_wrapper.cc"
#include "../include/async_libgit2_queue_worker.h"

  #include "../include/object.h"
  #include "../include/reference.h"
  #include "../include/repository.h"
 
#include <iostream>

using namespace std;
using namespace v8;
using namespace node;

 
  void GitRevparse::InitializeComponent(v8::Local<v8::Object> target) {
    Nan::HandleScope scope;

    v8::Local<Object> object = Nan::New<Object>();

        Nan::SetMethod(object, "ext", Ext);
         Nan::SetMethod(object, "single", Single);
  
    Nan::Set(target, Nan::New<String>("Revparse").ToLocalChecked(), object);
  }

  
/*
 * @param Object object_out
   * @param Reference reference_out
   * @param Repository repo
   * @param String spec
     * @return Number  result    */
NAN_METHOD(GitRevparse::Ext) {
  Nan::EscapableHandleScope scope;

  if (info.Length() == 0 || !info[0]->IsObject()) {
    return Nan::ThrowError("Object object_out is required.");
  }

  if (info.Length() == 1 || !info[1]->IsObject()) {
    return Nan::ThrowError("Reference reference_out is required.");
  }

  if (info.Length() == 2 || !info[2]->IsObject()) {
    return Nan::ThrowError("Repository repo is required.");
  }

  if (info.Length() == 3 || !info[3]->IsString()) {
    return Nan::ThrowError("String spec is required.");
  }

// start convert_from_v8 block
  git_object ** from_object_out = NULL;
*from_object_out = Nan::ObjectWrap::Unwrap<GitObject>(info[0]->ToObject())->GetValue();
// end convert_from_v8 block
// start convert_from_v8 block
  git_reference ** from_reference_out = NULL;
*from_reference_out = Nan::ObjectWrap::Unwrap<GitRefs>(info[1]->ToObject())->GetValue();
// end convert_from_v8 block
// start convert_from_v8 block
  git_repository * from_repo = NULL;
from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(info[2]->ToObject())->GetValue();
// end convert_from_v8 block
// start convert_from_v8 block
  const char * from_spec = NULL;

  String::Utf8Value spec(info[3]->ToString());
  // malloc with one extra byte so we can add the terminating null character C-strings expect:
  from_spec = (const char *) malloc(spec.length() + 1);
  // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
  // the middle of strings are valid coming from nodejs):
  memcpy((void *)from_spec, *spec, spec.length());
  // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
  // used in the nodejs binding generation:
  memset((void *)(((char *)from_spec) + spec.length()), 0, 1);
// end convert_from_v8 block
 
  giterr_clear();

  {
    LockMaster lockMaster(/*asyncAction: */false        ,    from_object_out
        ,    from_reference_out
        ,    from_repo
        ,    from_spec
);

    int result = git_revparse_ext(
  from_object_out
,  from_reference_out
,  from_repo
,  from_spec
    );

 
    v8::Local<v8::Value> to;
// start convert_to_v8 block
     to = Nan::New<Number>( result);
  // end convert_to_v8 block
    return info.GetReturnValue().Set(scope.Escape(to));
  }
}
  
/*
  * @param Repository repo
   * @param String spec
    * @param Object callback
   */
NAN_METHOD(GitRevparse::Single) {

  if (info.Length() == 0 || !info[0]->IsObject()) {
    return Nan::ThrowError("Repository repo is required.");
  }

  if (info.Length() == 1 || !info[1]->IsString()) {
    return Nan::ThrowError("String spec is required.");
  }

  if (info.Length() == 2 || !info[2]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  SingleBaton* baton = new SingleBaton;

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

// start convert_from_v8 block
  git_repository * from_repo = NULL;
from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(info[0]->ToObject())->GetValue();
// end convert_from_v8 block
  baton->repo = from_repo;
// start convert_from_v8 block
  const char * from_spec = NULL;

  String::Utf8Value spec(info[1]->ToString());
  // malloc with one extra byte so we can add the terminating null character C-strings expect:
  from_spec = (const char *) malloc(spec.length() + 1);
  // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
  // the middle of strings are valid coming from nodejs):
  memcpy((void *)from_spec, *spec, spec.length());
  // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
  // used in the nodejs binding generation:
  memset((void *)(((char *)from_spec) + spec.length()), 0, 1);
// end convert_from_v8 block
  baton->spec = from_spec;

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[2]));
  SingleWorker *worker = new SingleWorker(baton, callback);
  if (!info[0]->IsUndefined() && !info[0]->IsNull())
    worker->SaveToPersistent("repo", info[0]->ToObject());
  if (!info[1]->IsUndefined() && !info[1]->IsNull())
    worker->SaveToPersistent("spec", info[1]->ToObject());

  AsyncLibgit2QueueWorker(worker);
  return;
}

void GitRevparse::SingleWorker::Execute() {
  giterr_clear();

  {
    LockMaster lockMaster(/*asyncAction: */true        ,baton->repo
        ,baton->spec
);

  int result = git_revparse_single(
&baton->out,baton->repo,baton->spec    );

    baton->error_code = result;

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

  }
}

void GitRevparse::SingleWorker::HandleOKCallback() {
  if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> to;
// start convert_to_v8 block
  
  if (baton->out != NULL) {
    // GitObject baton->out
       to = GitObject::New(baton->out, false  );
   }
  else {
    to = Nan::Null();
  }

 // end convert_to_v8 block
    v8::Local<v8::Value> result = to;
    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 single has thrown an error.")->ToObject();
      }
      err->Set(Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      err->Set(Nan::New("errorFunction").ToLocalChecked(), Nan::New("Revparse.single").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;
      workerArguments.push(GetFromPersistent("repo"));
      workerArguments.push(GetFromPersistent("spec"));
      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 single has thrown an error.")->ToObject();
        err->Set(Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        err->Set(Nan::New("errorFunction").ToLocalChecked(), Nan::New("Revparse.single").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

  }


  delete baton;
}