// 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/diff_stats.h"
#include "nodegit_wrapper.cc"

  #include "../include/buf.h"
 
#include <iostream>

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

  GitDiffStats::~GitDiffStats() {
    // this will cause an error if you have a non-self-freeing object that also needs
    // to save values. Since the object that will eventually free the object has no
    // way of knowing to free these values.
                  }

  void GitDiffStats::InitializeComponent(v8::Local<v8::Object> target, nodegit::Context *nodegitContext) {
    Nan::HandleScope scope;

    v8::Local<v8::External> nodegitExternal = Nan::New<v8::External>(nodegitContext);
    v8::Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(JSNewFunction, nodegitExternal);

    tpl->InstanceTemplate()->SetInternalFieldCount(1);
    tpl->SetClassName(Nan::New("DiffStats").ToLocalChecked());

          Nan::SetPrototypeMethod(tpl, "filesChanged", FilesChanged, nodegitExternal);
            Nan::SetPrototypeMethod(tpl, "insertions", Insertions, nodegitExternal);
            Nan::SetPrototypeMethod(tpl, "deletions", Deletions, nodegitExternal);
            Nan::SetPrototypeMethod(tpl, "toBuf", DiffStatsToBuf, nodegitExternal);
    
    InitializeTemplate(tpl);

    v8::Local<Function> constructor_template = Nan::GetFunction(tpl).ToLocalChecked();
    nodegitContext->SaveToPersistent("GitDiffStats::Template", constructor_template);
    Nan::Set(target, Nan::New("DiffStats").ToLocalChecked(), constructor_template);
  }

  
/*
     * @return Number  result    */
NAN_METHOD(GitDiffStats::FilesChanged) {
  Nan::EscapableHandleScope scope;


  git_error_clear();

  { // lock master scope start
    nodegit::LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitDiffStats>(info.This())->GetValue()
    );

 size_t result =     git_diff_stats_files_changed(
          Nan::ObjectWrap::Unwrap<GitDiffStats>(info.This())->GetValue()
    );


      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));
  }
}
   
/*
     * @return Number  result    */
NAN_METHOD(GitDiffStats::Insertions) {
  Nan::EscapableHandleScope scope;


  git_error_clear();

  { // lock master scope start
    nodegit::LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitDiffStats>(info.This())->GetValue()
    );

 size_t result =     git_diff_stats_insertions(
          Nan::ObjectWrap::Unwrap<GitDiffStats>(info.This())->GetValue()
    );


      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));
  }
}
   
/*
     * @return Number  result    */
NAN_METHOD(GitDiffStats::Deletions) {
  Nan::EscapableHandleScope scope;


  git_error_clear();

  { // lock master scope start
    nodegit::LockMaster lockMaster(
      /*asyncAction: */false
            ,
              Nan::ObjectWrap::Unwrap<GitDiffStats>(info.This())->GetValue()
    );

 size_t result =     git_diff_stats_deletions(
          Nan::ObjectWrap::Unwrap<GitDiffStats>(info.This())->GetValue()
    );


      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 Number format
   * @param Number width
    * @param Buf callback
   */
NAN_METHOD(GitDiffStats::DiffStatsToBuf) {

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

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

  if (!info[info.Length() - 1]->IsFunction()) {
    return Nan::ThrowError("Callback is required and must be a Function.");
  }

  DiffStatsToBufBaton* baton = new DiffStatsToBufBaton();

  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;

        baton->stats = Nan::ObjectWrap::Unwrap<GitDiffStats>(info.This())->GetValue();
// start convert_from_v8 block
  git_diff_stats_format_t from_format;
      from_format = (git_diff_stats_format_t)  (int) info[0].As<v8::Number>()->Value();
// end convert_from_v8 block
          baton->format = from_format;
// start convert_from_v8 block
  size_t from_width;
      from_width = (size_t)   info[1].As<v8::Number>()->Value();
// end convert_from_v8 block
          baton->width = from_width;

  Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[info.Length() - 1]));
  DiffStatsToBufWorker *worker = new DiffStatsToBufWorker(baton, callback, cleanupHandles);

        worker->Reference<GitDiffStats>("stats", info.This());
           worker->Reference("format", info[0]);
            worker->Reference("width", info[1]);
 
  nodegitContext->QueueWorker(worker);
  return;
}

nodegit::LockMaster GitDiffStats::DiffStatsToBufWorker::AcquireLocks() {
  nodegit::LockMaster lockMaster(
    /*asyncAction: */true
          ,baton->out
          ,baton->stats
  );

  return lockMaster;
}

void GitDiffStats::DiffStatsToBufWorker::Execute() {
  git_error_clear();

    int result = git_diff_stats_to_buf(
baton->out,baton->stats,baton->format,baton->width  );

      baton->error_code = result;

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

}

void GitDiffStats::DiffStatsToBufWorker::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("DiffStats.toBuf").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_buf_dispose(baton->out);
        free((void *)baton->out);

  delete baton;
}

void GitDiffStats::DiffStatsToBufWorker::HandleOKCallback() {
    if (baton->error_code == GIT_OK) {
    v8::Local<v8::Value> v8ConversionSlot;
// start convert_to_v8 block
   if (baton->out) {
    v8ConversionSlot = Nan::New<v8::String>(baton->out->ptr, baton->out->size).ToLocalChecked();
  }
  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 toBuf 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("DiffStats.toBuf").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 toBuf 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("DiffStats.toBuf").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
      }
    } else {
      callback->Call(0, NULL, async_resource);
    }

  }

        git_buf_dispose(baton->out);
        free((void *)baton->out);

  delete baton;
}

    // force base class template instantiation, to make sure we get all the
// methods, statics, etc.
template class NodeGitWrapper<GitDiffStatsTraits>;