/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "connectivity/TColumnsHelper.hxx"
#include "connectivity/sdbcx/VColumn.hxx"
#include "connectivity/sdbcx/VColumn.hxx"
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbc/DataType.hpp>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbcx/KeyType.hpp>
#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
#include <com/sun/star/sdbcx/XKeysSupplier.hpp>
#include <comphelper/types.hxx>
#include "connectivity/dbtools.hxx"
#include "TConnection.hxx"
#include "connectivity/TTableHelper.hxx"
#include <comphelper/property.hxx>

using namespace ::comphelper;


using namespace connectivity::sdbcx;
using namespace connectivity;
using namespace dbtools;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
typedef connectivity::sdbcx::OCollection OCollection_TYPE;

namespace connectivity
{
	class OColumnsHelperImpl
	{
	public:
		OColumnsHelperImpl(sal_Bool _bCase)
			: m_aColumnInfo(_bCase)
		{
		}
		ColumnInformationMap m_aColumnInfo;
	};
}

OColumnsHelper::OColumnsHelper(	::cppu::OWeakObject& _rParent
								,sal_Bool _bCase
								,::osl::Mutex& _rMutex
								,const TStringVector &_rVector
								,sal_Bool _bUseHardRef
			) : OCollection(_rParent,_bCase,_rMutex,_rVector,sal_False,_bUseHardRef)
	,m_pImpl(NULL)
	,m_pTable(NULL)
{
}
// -----------------------------------------------------------------------------
OColumnsHelper::~OColumnsHelper()
{
	delete m_pImpl;
	m_pImpl = NULL;
}
// -----------------------------------------------------------------------------

sdbcx::ObjectType OColumnsHelper::createObject(const ::rtl::OUString& _rName)
{
	OSL_ENSURE(m_pTable,"NO Table set. Error!");
	Reference<XConnection> xConnection = m_pTable->getConnection();

	if ( !m_pImpl )
		m_pImpl = new OColumnsHelperImpl(isCaseSensitive());

	sal_Bool bQueryInfo		= sal_True;
	sal_Bool bAutoIncrement = sal_False;
	sal_Bool bIsCurrency	= sal_False;
	sal_Int32 nDataType		= DataType::OTHER;

	ColumnInformationMap::iterator aFind = m_pImpl->m_aColumnInfo.find(_rName);
	if ( aFind == m_pImpl->m_aColumnInfo.end() ) // we have to fill it
	{
        ::rtl::OUString sComposedName = ::dbtools::composeTableNameForSelect( xConnection, m_pTable );
		collectColumnInformation(xConnection,sComposedName,::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("*")) ,m_pImpl->m_aColumnInfo);
		aFind = m_pImpl->m_aColumnInfo.find(_rName);
	}
	if ( aFind != m_pImpl->m_aColumnInfo.end() )
	{
		bQueryInfo		= sal_False;
		bAutoIncrement	= aFind->second.first.first;
		bIsCurrency		= aFind->second.first.second;
		nDataType		= aFind->second.second;
	} // if ( aFind != m_pImpl->m_aColumnInfo.end() )

    sdbcx::ObjectType xRet;
    const ColumnDesc* pColDesc = m_pTable->getColumnDescription(_rName);
    if ( pColDesc )
    {
        Reference<XPropertySet> xPr = m_pTable;
        const Reference<XNameAccess> xPrimaryKeyColumns = getPrimaryKeyColumns_throw(xPr);
        sal_Int32 nField11 = pColDesc->nField11;
        if ( nField11 != ColumnValue::NO_NULLS && xPrimaryKeyColumns.is() && xPrimaryKeyColumns->hasByName(_rName) )
        {
            nField11 = ColumnValue::NO_NULLS;
        } // if ( xKeys.is() )
        connectivity::sdbcx::OColumn* pRet = new connectivity::sdbcx::OColumn(_rName,
												pColDesc->aField6,
												pColDesc->sField13,
                                                pColDesc->sField12,
												nField11,
												pColDesc->nField7,
												pColDesc->nField9,
												pColDesc->nField5,
												bAutoIncrement,
												sal_False,
												bIsCurrency,
												isCaseSensitive());

		xRet = pRet;
    }
    else
    {

	    xRet.set(::dbtools::createSDBCXColumn(	m_pTable,
											    xConnection,
											    _rName,
											    isCaseSensitive(),
											    bQueryInfo,
											    bAutoIncrement,
											    bIsCurrency,
											    nDataType),UNO_QUERY);
    }
	return xRet;
}

// -------------------------------------------------------------------------
void OColumnsHelper::impl_refresh() throw(RuntimeException)
{
	if ( m_pTable )
	{
		m_pImpl->m_aColumnInfo.clear();		
		m_pTable->refreshColumns();
	}
}
// -------------------------------------------------------------------------
Reference< XPropertySet > OColumnsHelper::createDescriptor()
{
	return new OColumn(sal_True);
}
// -----------------------------------------------------------------------------
// XAppend
sdbcx::ObjectType OColumnsHelper::appendObject( const ::rtl::OUString& _rForName, const Reference< XPropertySet >& descriptor )
{
	::osl::MutexGuard aGuard(m_rMutex);
	OSL_ENSURE(m_pTable,"OColumnsHelper::appendByDescriptor: Table is null!");
	if ( !m_pTable || m_pTable->isNew() )
        return cloneDescriptor( descriptor );

    Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
	::rtl::OUString aSql	= ::rtl::OUString::createFromAscii("ALTER TABLE ");
	::rtl::OUString aQuote	= xMetaData->getIdentifierQuoteString(  );

	aSql += ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::eInTableDefinitions, false, false, true );
	aSql += ::rtl::OUString::createFromAscii(" ADD ");
	aSql += ::dbtools::createStandardColumnPart(descriptor,m_pTable->getConnection(),NULL,m_pTable->getTypeCreatePattern());
	
	Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
	if ( xStmt.is() )
	{
		xStmt->execute(aSql);
		::comphelper::disposeComponent(xStmt);
	}
    return createObject( _rForName );
}
// -------------------------------------------------------------------------
// XDrop
void OColumnsHelper::dropObject(sal_Int32 /*_nPos*/,const ::rtl::OUString _sElementName)
{
	OSL_ENSURE(m_pTable,"OColumnsHelper::dropByName: Table is null!");
	if ( m_pTable && !m_pTable->isNew() )
	{
		::rtl::OUString aSql	= ::rtl::OUString::createFromAscii("ALTER TABLE ");
		Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
		::rtl::OUString aQuote	= xMetaData->getIdentifierQuoteString(  );

		aSql += ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::eInTableDefinitions, false, false, true );
		aSql += ::rtl::OUString::createFromAscii(" DROP ");
		aSql += ::dbtools::quoteName( aQuote,_sElementName);

        Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
		if ( xStmt.is() )
		{
			xStmt->execute(aSql);
			::comphelper::disposeComponent(xStmt);
		}
	}
}
// -----------------------------------------------------------------------------