// This is a generated file, modify: generate/templates/class.cc.
#include <nan.h>
#include <string.h>

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

#include "../include/functions/copy.h"
#include "../include/revwalk.h"

#include "../include/revwalk.h"
#include "../include/repository.h"
#include "../include/oid.h"

using namespace v8;
using namespace node;

GitRevwalk::GitRevwalk(git_revwalk *raw) {
  this->raw = raw;
}

GitRevwalk::~GitRevwalk() {
    git_revwalk_free(this->raw);
  }

void GitRevwalk::Initialize(Handle<v8::Object> target) {
  NanScope();

  Local<FunctionTemplate> tpl = NanNew<FunctionTemplate>(New);

  tpl->InstanceTemplate()->SetInternalFieldCount(1);
  tpl->SetClassName(NanNew<String>("Revwalk"));

              NODE_SET_METHOD(tpl, "createRevwalk", CreateRevwalk);
                        NODE_SET_PROTOTYPE_METHOD(tpl, "push", Push);
                        NODE_SET_PROTOTYPE_METHOD(tpl, "hide", Hide);
                        NODE_SET_PROTOTYPE_METHOD(tpl, "next", Next);
                        NODE_SET_PROTOTYPE_METHOD(tpl, "sorting", Sorting);
                        NODE_SET_PROTOTYPE_METHOD(tpl, "simplifyFirstParent", SimplifyFirstParent);
            
  
  Local<Function> _constructor_template = tpl->GetFunction();
  NanAssignPersistent(constructor_template, _constructor_template);
  target->Set(NanNew<String>("Revwalk"), _constructor_template);
}

NAN_METHOD(GitRevwalk::New) {
  NanScope();

  if (args.Length() == 0 || !args[0]->IsExternal()) {
    return NanThrowError("git_revwalk is required.");
  }
  GitRevwalk* object = new GitRevwalk(static_cast<git_revwalk *>(Handle<External>::Cast(args[0])->Value()));
  object->Wrap(args.This());

  NanReturnValue(args.This());
}

Handle<Value> GitRevwalk::New(void *raw) {
  NanEscapableScope();
  Handle<Value> argv[1] = { NanNew<External>((void *)raw) };
  return NanEscapeScope(NanNew<Function>(GitRevwalk::constructor_template)->NewInstance(1, argv));
}

git_revwalk *GitRevwalk::GetValue() {
  return this->raw;
}

            /**
        * @param Repository repo
            * @return Revwalk out  */
NAN_METHOD(GitRevwalk::CreateRevwalk) {
  NanScope();
              if (args.Length() == 0 || !args[0]->IsObject()) {
      return NanThrowError("Repository repo is required.");
    }
      
        git_revwalk * out = 0;
      
                                      git_repository * from_repo;
          from_repo = ObjectWrap::Unwrap<GitRepository>(args[0]->ToObject())->GetValue();
  
              
  int result = git_revwalk_new(
            &        out
        ,          from_repo
            );

    

  Handle<Value> to;
          if (out != NULL) {
  to = GitRevwalk::New((void *)out);
} else {
  to = NanNull();
}
          NanReturnValue(to);
  }
                  /**
              * @param Oid id
      */
NAN_METHOD(GitRevwalk::Push) {
  NanScope();
              if (args.Length() == 0 || !args[0]->IsObject()) {
      return NanThrowError("Oid id is required.");
    }
      
  
                            const git_oid * from_id;
          from_id = ObjectWrap::Unwrap<GitOid>(args[0]->ToObject())->GetValue();
  
              
  int result = git_revwalk_push(
          ObjectWrap::Unwrap<GitRevwalk>(args.This())->GetValue()
        ,          from_id
            );

    
  if (result != GIT_OK) {
              
    if (giterr_last()) {
      return NanThrowError(giterr_last()->message);
    } else {
      return NanThrowError("Unknown Error");
    }
  }

  NanReturnUndefined();
}
                  /**
              * @param Oid commit_id
      */
NAN_METHOD(GitRevwalk::Hide) {
  NanScope();
              if (args.Length() == 0 || !args[0]->IsObject()) {
      return NanThrowError("Oid commit_id is required.");
    }
      
  
                            const git_oid * from_commit_id;
          from_commit_id = ObjectWrap::Unwrap<GitOid>(args[0]->ToObject())->GetValue();
  
              
  int result = git_revwalk_hide(
          ObjectWrap::Unwrap<GitRevwalk>(args.This())->GetValue()
        ,          from_commit_id
            );

    
  if (result != GIT_OK) {
              
    if (giterr_last()) {
      return NanThrowError(giterr_last()->message);
    } else {
      return NanThrowError("Unknown Error");
    }
  }

  NanReturnUndefined();
}
                  /**
                * @param Oid callback
  */
NAN_METHOD(GitRevwalk::Next) {
  NanScope();
      
  if (args.Length() == 0 || !args[0]->IsFunction()) {
    return NanThrowError("Callback is required and must be a Function.");
  }

  NextBaton* baton = new NextBaton;
  baton->error_code = GIT_OK;
  baton->error = NULL;
        baton->out = (git_oid *)malloc(sizeof(git_oid ));
                  baton->walk = ObjectWrap::Unwrap<GitRevwalk>(args.This())->GetValue();
            
  NanCallback *callback = new NanCallback(Local<Function>::Cast(args[0]));
  NextWorker *worker = new NextWorker(baton, callback);
                    worker->SaveToPersistent("walk", args.This());
            
  NanAsyncQueueWorker(worker);
  NanReturnUndefined();
}

void GitRevwalk::NextWorker::Execute() {
    int result = git_revwalk_next(
                    baton->out,    
              baton->walk    
        );

    baton->error_code = result;

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

  }

void GitRevwalk::NextWorker::HandleOKCallback() {
  TryCatch try_catch;
  if (baton->error_code == GIT_OK) {
        Handle<Value> to;
                      if (baton->out != NULL) {
  to = GitOid::New((void *)baton->out);
} else {
  to = NanNull();
}
                        Handle<Value> result = to;
              Handle<Value> argv[2] = {
      NanNull(),
      result
    };
    callback->Call(2, argv);
  } else {
    if (baton->error) {
      Handle<Value> argv[1] = {
        NanError(baton->error->message)
      };
      callback->Call(1, argv);
      if (baton->error->message)
        free((void *)baton->error->message);
      free((void *)baton->error);
    } else {
      callback->Call(0, NULL);
    }

              free(baton->out);
                      }

  if (try_catch.HasCaught()) {
    node::FatalException(try_catch);
  }

              
  delete baton;
}
                  /**
              * @param Uint32 sort_mode
      */
NAN_METHOD(GitRevwalk::Sorting) {
  NanScope();
              if (args.Length() == 0 || !args[0]->IsNumber()) {
      return NanThrowError("Uint32 sort_mode is required.");
    }
      
  
                            unsigned int from_sort_mode;
          from_sort_mode = (unsigned int)   args[0]->ToNumber()->Value();
  
              
git_revwalk_sorting(
          ObjectWrap::Unwrap<GitRevwalk>(args.This())->GetValue()
        ,          from_sort_mode
            );

    

  NanReturnUndefined();
}
                  /**
        */
NAN_METHOD(GitRevwalk::SimplifyFirstParent) {
  NanScope();
    
  
        
git_revwalk_simplify_first_parent(
          ObjectWrap::Unwrap<GitRevwalk>(args.This())->GetValue()
            );

  

  NanReturnUndefined();
}
      

Persistent<Function> GitRevwalk::constructor_template;