// 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/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, nodegit::Context *nodegitContext) {
    Nan::HandleScope scope;
    Local<External> nodegitExternal = Nan::New<External>(nodegitContext);

       v8::Local<Object> object = Nan::New<Object>();
         Nan::SetMethod(object, "ext", Ext, nodegitExternal);
         Nan::SetMethod(object, "single", Single, nodegitExternal);
  
    Nan::Set(
      target,
      Nan::New("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>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
// start convert_from_v8 block
  git_reference ** from_reference_out = NULL;
*from_reference_out = Nan::ObjectWrap::Unwrap<GitRefs>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
// start convert_from_v8 block
  git_repository * from_repo = NULL;
from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[2]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
// start convert_from_v8 block
  const char * from_spec = NULL;

  Nan::Utf8String spec(Nan::To<v8::String>(info[3]).ToLocalChecked());
  // 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

  git_error_clear();

  { // lock master scope start
    nodegit::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> v8ConversionSlot;
// start convert_to_v8 block
     v8ConversionSlot = Nan::New<Number>( result);
  // end convert_to_v8 block
        return info.GetReturnValue().Set(scope.Escape(v8ConversionSlot));
  }
}
  
/*
  * @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[info.Length() - 1]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  SingleBaton* baton = new SingleBaton();

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


  nodegit::Context *nodegitContext = reinterpret_cast<nodegit::Context *>(info.Data().As<External>()->Value());
  std::map<std::string, std::shared_ptr<nodegit::CleanupHandle>> cleanupHandles;

// start convert_from_v8 block
  git_repository * from_repo = NULL;
from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
// end convert_from_v8 block
          baton->repo = from_repo;
// start convert_from_v8 block
  const char * from_spec = NULL;

  Nan::Utf8String spec(Nan::To<v8::String>(info[1]).ToLocalChecked());
  // 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[info.Length() - 1]));
  SingleWorker *worker = new SingleWorker(baton, callback, cleanupHandles);

             worker->Reference<GitRepository>("repo", info[0]);
             worker->Reference("spec", info[1]);
 
  nodegitContext->QueueWorker(worker);
  return;
}

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

  return lockMaster;
}

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

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

      baton->error_code = result;

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

}

void GitRevparse::SingleWorker::HandleErrorCallback() {
  if (!GetIsCancelled()) {
    v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error(ErrorMessage())).ToLocalChecked();
    Nan::Set(err, 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) {
    if (baton->error->message) {
      free((void *)baton->error->message);
    }

    free((void *)baton->error);
  }

      git_object_free(baton->out);

  delete baton;
}

void GitRevparse::SingleWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> v8ConversionSlot;
// start convert_to_v8 block
    if (baton->out != NULL) {
      v8::Local<v8::Array> owners = Nan::New<Array>(0);
          Nan::Set(
          owners,
          Nan::New<v8::Number>(owners->Length()),
          Nan::To<v8::Object>(GitRepository::New(
            git_object_owner(baton->out),
            true
          )).ToLocalChecked()
        );
         v8ConversionSlot = GitObject::New(
        baton->out,
        true
          , owners
       );
   }
  else {
    v8ConversionSlot = Nan::Null();
  }
  // end convert_to_v8 block
      v8::Local<v8::Value> result = v8ConversionSlot;
       
    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::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
      } else {
        err = Nan::To<v8::Object>(Nan::Error("Method single has thrown an error.")).ToLocalChecked();
      }
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, 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) {
      bool callbackFired = false;
      if (!callbackErrorHandle.IsEmpty()) {
        v8::Local<v8::Value> maybeError = Nan::New(callbackErrorHandle);
        if (!maybeError->IsNull() && !maybeError->IsUndefined()) {
          v8::Local<v8::Value> argv[1] = {
            maybeError
          };
          callback->Call(1, argv, async_resource);
          callbackFired = true;
        }
      }

      if (!callbackFired) {
        v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method single has thrown an error.")).ToLocalChecked();
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, 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);
    }

        git_object_free(baton->out);
  }


  delete baton;
}