//---------------------------------------------------------------------------------------------------------------------------------
// File: ResultSet.cpp
// Contents: ResultSet object that holds metadata and current column to return to Javascript
// 
// Copyright Microsoft Corporation and contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
//
// You may obtain a copy of the License at:
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//---------------------------------------------------------------------------------------------------------------------------------

#include "stdafx.h"
#include "ResultSet.h"

namespace mssql
{
 using namespace v8;

 Handle<Value> ResultSet::MetaToValue()
 {
 HandleScope scope;

 Local<Array> metadata = Array::New();
 for_each(this->metadata.begin(), this->metadata.end(), [&metadata](const ColumnDefinition& definition) {
 HandleScope scope;

 const wchar_t* typeName = L"";
 switch (definition.dataType)
 {
 case SQL_CHAR:
 case SQL_VARCHAR:
 case SQL_LONGVARCHAR:
 case SQL_WCHAR:
 case SQL_WVARCHAR:
 case SQL_WLONGVARCHAR:
 case SQL_GUID:
 case SQL_SS_XML:
 typeName = L"text";
 break;
 case SQL_BIT:
 typeName = L"boolean";
 break;
 case SQL_SMALLINT:
 case SQL_TINYINT:
 case SQL_INTEGER:
 case SQL_DECIMAL:
 case SQL_NUMERIC:
 case SQL_REAL:
 case SQL_FLOAT:
 case SQL_DOUBLE:
 case SQL_BIGINT:
 typeName = L"number";
 break;
 case SQL_TYPE_TIME:
 case SQL_SS_TIME2:
 case SQL_TYPE_TIMESTAMP:
 case SQL_TYPE_DATE:
 case SQL_SS_TIMESTAMPOFFSET:
 typeName = L"date";
 break;
 case SQL_BINARY:
 case SQL_VARBINARY:
 case SQL_LONGVARBINARY:
 typeName = L"binary";
 break;
 default:
 typeName = L"text";
 break;
 }

 Local<Object> entry = Object::New();
 entry->Set(New(L"name"), New(definition.name.c_str()));
 entry->Set(New(L"size"), Integer::New(definition.columnSize));
 entry->Set(New(L"nullable"), Boolean::New(definition.nullable != 0));
 entry->Set(New(L"type"), New(typeName));

 metadata->Set(metadata->Length(), entry);
 });

 return scope.Close(metadata);
 }
}