/*
Copyright (c) 2011, Tim Branyen @tbranyen <tim@tabdeveloper.com>
*/

#include <v8.h>
#include <node.h>
#include <node_events.h>

#include "../vendor/libgit2/include/git2.h"

#include "../include/repo.h"
#include "../include/tree.h"
#include "../include/tree_entry.h"

using namespace v8;
using namespace node;

void GitTree::Initialize (Handle<v8::Object> target) {
  HandleScope scope;

  Local<FunctionTemplate> t = FunctionTemplate::New(New);
  
  constructor_template = Persistent<FunctionTemplate>::New(t);
  constructor_template->InstanceTemplate()->SetInternalFieldCount(1);
  constructor_template->SetClassName(String::NewSymbol("Tree"));

  NODE_SET_PROTOTYPE_METHOD(constructor_template, "entryCount", EntryCount);
  NODE_SET_PROTOTYPE_METHOD(constructor_template, "entryByIndex", EntryByIndex);
  NODE_SET_PROTOTYPE_METHOD(constructor_template, "entryByName", EntryByName);
  NODE_SET_PROTOTYPE_METHOD(constructor_template, "sortEntries", EntryCount);

  target->Set(String::NewSymbol("Tree"), constructor_template->GetFunction());
}

git_tree* GitTree::GetValue() {
  return this->tree;
}

void GitTree::SetValue(git_tree* tree) {
  this->tree = tree;
}

size_t GitTree::EntryCount() {
  return git_tree_entrycount(this->tree);
}

git_tree_entry* GitTree::EntryByIndex(int idx) {
  return git_tree_entry_byindex(this->tree, idx);
}

git_tree_entry* GitTree::EntryByName(const char* name) {
  return git_tree_entry_byname(this->tree, name);
}

int GitTree::SortEntries() {
  //return git_tree_sort_entries(this->tree);
  return 0;
}

Handle<Value> GitTree::New(const Arguments& args) {
  HandleScope scope;

  GitTree *tree = new GitTree();

  tree->Wrap(args.This());

  return args.This();
}

Handle<Value> GitTree::EntryCount(const Arguments& args) {
  HandleScope scope;

  GitTree *tree = ObjectWrap::Unwrap<GitTree>(args.This());

  int count = tree->EntryCount();
    
  return Local<Value>::New(Integer::New(count));
}

Handle<Value> GitTree::EntryByIndex(const Arguments& args) {
  HandleScope scope;

  GitTree *tree = ObjectWrap::Unwrap<GitTree>(args.This());

  if(args.Length() == 0 || !args[0]->IsObject()) {
    return ThrowException(Exception::Error(String::New("TreeEntry is required and must be a Object.")));
  }

  if(args.Length() == 1 || !args[1]->IsNumber()) {
    return ThrowException(Exception::Error(String::New("Index is required and must be a Number.")));
  }

  GitTreeEntry* entry = ObjectWrap::Unwrap<GitTreeEntry>(args[0]->ToObject());

  int index = args[1]->ToInteger()->Value();

  entry->SetValue(tree->EntryByIndex(index));
    
  return Undefined();
}

Handle<Value> GitTree::EntryByName(const Arguments& args) {
  HandleScope scope;

  GitTree *tree = ObjectWrap::Unwrap<GitTree>(args.This());

  if(args.Length() == 0 || !args[0]->IsObject()) {
    return ThrowException(Exception::Error(String::New("TreeEntry is required and must be a Object.")));
  }

  if(args.Length() == 1 || !args[1]->IsString()) {
    return ThrowException(Exception::Error(String::New("Name is required and must be a String.")));
  }

  GitTreeEntry* entry = ObjectWrap::Unwrap<GitTreeEntry>(args[0]->ToObject());

  int index = args[1]->ToInteger()->Value();

  String::Utf8Value name(args[1]->ToString());

  entry->SetValue(tree->EntryByName(*name));
    
  return Undefined();
}

Handle<Value> GitTree::SortEntries(const Arguments& args) {
  HandleScope scope;

  GitTree *tree = ObjectWrap::Unwrap<GitTree>(args.This());

  int err = tree->SortEntries();
  
  return Integer::New(err);
}

Handle<Value> GitTree::ClearEntries(const Arguments& args) {
  //HandleScope scope;

  //GitTree *tree = ObjectWrap::Unwrap<GitTree>(args.This());

  //tree->ClearEntries();
  //  
  return Undefined();
}
Persistent<FunctionTemplate> GitTree::constructor_template;