/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */
 
#include <hsqldb/HTable.hxx>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/sdbcx/Privilege.hpp>
#include <comphelper/property.hxx>
#include <comphelper/servicehelper.hxx>
#include <comphelper/types.hxx>
#include <connectivity/dbtools.hxx>
#include <connectivity/TKeys.hxx>
#include <connectivity/TIndexes.hxx>
#include <hsqldb/HColumns.hxx>
#include <TConnection.hxx>
 
#include <comphelper/diagnose_ex.hxx>
 
 
using namespace ::comphelper;
using namespace connectivity::hsqldb;
using namespace connectivity::sdbcx;
using namespace connectivity;
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;
 
OHSQLTable::OHSQLTable( sdbcx::OCollection* _pTables,
                           const Reference< XConnection >& _xConnection)
    :OTableHelper(_pTables,_xConnection,true)
{
    // we create a new table here, so we should have all the rights or ;-)
    m_nPrivileges = Privilege::DROP         |
                    Privilege::REFERENCE    |
                    Privilege::ALTER        |
                    Privilege::CREATE       |
                    Privilege::READ         |
                    Privilege::DELETE       |
                    Privilege::UPDATE       |
                    Privilege::INSERT       |
                    Privilege::SELECT;
    construct();
}
 
OHSQLTable::OHSQLTable( sdbcx::OCollection* _pTables,
                           const Reference< XConnection >& _xConnection,
                    const OUString& Name,
                    const OUString& Type,
                    const OUString& Description ,
                    const OUString& SchemaName,
                    const OUString& CatalogName,
                    sal_Int32 _nPrivileges
                ) : OTableHelper(   _pTables,
                                    _xConnection,
                                    true,
                                    Name,
                                    Type,
                                    Description,
                                    SchemaName,
                                    CatalogName)
 , m_nPrivileges(_nPrivileges)
{
    construct();
}
 
void OHSQLTable::construct()
{
    OTableHelper::construct();
    if ( !isNew() )
        registerProperty(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRIVILEGES),  PROPERTY_ID_PRIVILEGES,PropertyAttribute::READONLY,&m_nPrivileges,  cppu::UnoType<decltype(m_nPrivileges)>::get());
}
 
::cppu::IPropertyArrayHelper* OHSQLTable::createArrayHelper( sal_Int32 /*_nId*/ ) const
{
    return doCreateArrayHelper();
}
 
::cppu::IPropertyArrayHelper & OHSQLTable::getInfoHelper()
{
    return *static_cast<OHSQLTable_PROP*>(this)->getArrayHelper(isNew() ? 1 : 0);
}
 
sdbcx::OCollection* OHSQLTable::createColumns(const ::std::vector< OUString>& _rNames)
{
    OHSQLColumns* pColumns = new OHSQLColumns(*this,m_aMutex,_rNames);
    pColumns->setParent(this);
    return pColumns;
}
 
sdbcx::OCollection* OHSQLTable::createKeys(const ::std::vector< OUString>& _rNames)
{
    return new OKeysHelper(this,m_aMutex,_rNames);
}
 
sdbcx::OCollection* OHSQLTable::createIndexes(const ::std::vector< OUString>& _rNames)
{
    return new OIndexesHelper(this,m_aMutex,_rNames);
}
 
 
// XAlterTable
void SAL_CALL OHSQLTable::alterColumnByName( const OUString& colName, const Reference< XPropertySet >& descriptor )
{
    ::osl::MutexGuard aGuard(m_aMutex);
    checkDisposed(
#ifdef __GNUC__
        ::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper.bDisposed
#else
        rBHelper.bDisposed
#endif
        );
 
    if ( !m_xColumns || !m_xColumns->hasByName(colName) )
        throw NoSuchElementException(colName,*this);
 
 
    if ( !isNew() )
    {
        // first we have to check what should be altered
        Reference<XPropertySet> xProp;
        m_xColumns->getByName(colName) >>= xProp;
        // first check the types
        sal_Int32 nOldType = 0,nNewType = 0,nOldPrec = 0,nNewPrec = 0,nOldScale = 0,nNewScale = 0;
        OUString sOldTypeName, sNewTypeName;
 
        ::dbtools::OPropertyMap& rProp = OMetaConnection::getPropMap();
 
        // type/typename
        xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPE))         >>= nOldType;
        descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPE))    >>= nNewType;
        xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPENAME))     >>= sOldTypeName;
        descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPENAME))>>= sNewTypeName;
 
        // and precision and scale
        xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_PRECISION))    >>= nOldPrec;
        descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_PRECISION))>>= nNewPrec;
        xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_SCALE))        >>= nOldScale;
        descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_SCALE))   >>= nNewScale;
 
        // second: check the "is nullable" value
        sal_Int32 nOldNullable = 0,nNewNullable = 0;
        xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISNULLABLE))       >>= nOldNullable;
        descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISNULLABLE))  >>= nNewNullable;
 
        // check also the auto_increment
        bool bOldAutoIncrement = false,bAutoIncrement = false;
        xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT))      >>= bOldAutoIncrement;
        descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT)) >>= bAutoIncrement;
 
        // now we should look if the name of the column changed
        OUString sNewColumnName;
        descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_NAME)) >>= sNewColumnName;
        if ( sNewColumnName != colName )
        {
            const OUString sQuote = getMetaData()->getIdentifierQuoteString(  );
 
            OUString sSql = getAlterTableColumnPart() +
                " ALTER COLUMN " +
                ::dbtools::quoteName(sQuote,colName) +
                " RENAME TO " +
                ::dbtools::quoteName(sQuote,sNewColumnName);
 
            executeStatement(sSql);
        }
 
        if  (   nOldType != nNewType
            ||  sOldTypeName != sNewTypeName
            ||  nOldPrec != nNewPrec
            ||  nOldScale != nNewScale
            ||  nNewNullable != nOldNullable
            ||  bOldAutoIncrement != bAutoIncrement )
        {
            // special handling because they change the type names to distinguish
            // if a column should be an auto_increment one
            if ( bOldAutoIncrement != bAutoIncrement )
            {
                /// TODO: insert special handling for auto increment "IDENTITY" and primary key
            }
            alterColumnType(nNewType,sNewColumnName,descriptor);
        }
 
        // third: check the default values
        OUString sNewDefault,sOldDefault;
        xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DEFAULTVALUE))     >>= sOldDefault;
        descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DEFAULTVALUE)) >>= sNewDefault;
 
        if(!sOldDefault.isEmpty())
        {
            dropDefaultValue(colName);
            if(!sNewDefault.isEmpty() && sOldDefault != sNewDefault)
                alterDefaultValue(sNewDefault,sNewColumnName);
        }
        else if(sOldDefault.isEmpty() && !sNewDefault.isEmpty())
            alterDefaultValue(sNewDefault,sNewColumnName);
 
        m_xColumns->refresh();
    }
    else
    {
        if(m_xColumns)
        {
            m_xColumns->dropByName(colName);
            m_xColumns->appendByDescriptor(descriptor);
        }
    }
 
}
 
void OHSQLTable::alterColumnType(sal_Int32 nNewType,const OUString& _rColName, const Reference<XPropertySet>& _xDescriptor)
{
    OUString sSql = getAlterTableColumnPart() + " ALTER COLUMN ";
#if OSL_DEBUG_LEVEL > 0
    try
    {
        OUString sDescriptorName;
        OSL_ENSURE( _xDescriptor.is()
                &&  ( _xDescriptor->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_NAME ) ) >>= sDescriptorName )
                &&  ( sDescriptorName == _rColName ),
                "OHSQLTable::alterColumnType: unexpected column name!" );
    }
    catch( const Exception& )
    {
        DBG_UNHANDLED_EXCEPTION("connectivity.hsqldb");
    }
#else
    (void)_rColName;
#endif
 
    rtl::Reference<OHSQLColumn> pColumn = new OHSQLColumn;
    ::comphelper::copyProperties(_xDescriptor,pColumn);
    pColumn->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE),Any(nNewType));
 
    sSql += ::dbtools::createStandardColumnPart(pColumn,getConnection());
    executeStatement(sSql);
}
 
void OHSQLTable::alterDefaultValue(std::u16string_view _sNewDefault,const OUString& _rColName)
{
    const OUString sQuote = getMetaData()->getIdentifierQuoteString(  );
    OUString sSql = getAlterTableColumnPart() +
        " ALTER COLUMN " +
        ::dbtools::quoteName(sQuote,_rColName) +
        " SET DEFAULT '" + _sNewDefault + "'";
 
    executeStatement(sSql);
}
 
void OHSQLTable::dropDefaultValue(const OUString& _rColName)
{
    const OUString sQuote = getMetaData()->getIdentifierQuoteString(  );
    OUString sSql = getAlterTableColumnPart() +
        " ALTER COLUMN " +
        ::dbtools::quoteName(sQuote,_rColName) +
        " DROP DEFAULT";
 
    executeStatement(sSql);
}
 
OUString OHSQLTable::getAlterTableColumnPart() const
{
    OUString sSql(  u"ALTER TABLE "_ustr );
 
    OUString sComposedName( ::dbtools::composeTableName( getMetaData(), m_CatalogName, m_SchemaName, m_Name, true, ::dbtools::EComposeRule::InTableDefinitions ) );
    sSql += sComposedName;
 
    return sSql;
}
 
void OHSQLTable::executeStatement(const OUString& _rStatement )
{
    OUString sSQL = _rStatement;
    if(sSQL.endsWith(","))
        sSQL = sSQL.replaceAt(sSQL.getLength()-1, 1, u")");
 
    Reference< XStatement > xStmt = getConnection()->createStatement(  );
    if ( xStmt.is() )
    {
        try { xStmt->execute(sSQL); }
        catch( const Exception& )
        {
            ::comphelper::disposeComponent(xStmt);
            throw;
        }
        ::comphelper::disposeComponent(xStmt);
    }
}
 
Sequence< Type > SAL_CALL OHSQLTable::getTypes(  )
{
    if ( m_Type == "VIEW" )
    {
        Sequence< Type > aTypes = OTableHelper::getTypes();
        std::vector<Type> aOwnTypes;
        aOwnTypes.reserve(aTypes.getLength());
        const Type* pIter = aTypes.getConstArray();
        const Type* pEnd = pIter + aTypes.getLength();
        for(;pIter != pEnd;++pIter)
        {
            if( *pIter != cppu::UnoType<XRename>::get())
            {
                aOwnTypes.push_back(*pIter);
            }
        }
        return Sequence< Type >(aOwnTypes.data(), aOwnTypes.size());
    }
    return OTableHelper::getTypes();
}
 
// XRename
void SAL_CALL OHSQLTable::rename( const OUString& newName )
{
    ::osl::MutexGuard aGuard(m_aMutex);
    checkDisposed(
#ifdef __GNUC__
        ::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper.bDisposed
#else
        rBHelper.bDisposed
#endif
        );
 
    if(!isNew())
    {
        OUString sSql = u"ALTER "_ustr;
        if ( m_Type == "VIEW" )
            sSql += " VIEW ";
        else
            sSql += " TABLE ";
 
        OUString sCatalog,sSchema,sTable;
        ::dbtools::qualifiedNameComponents(getMetaData(),newName,sCatalog,sSchema,sTable,::dbtools::EComposeRule::InDataManipulation);
 
        sSql +=
            ::dbtools::composeTableName( getMetaData(), m_CatalogName, m_SchemaName, m_Name, true, ::dbtools::EComposeRule::InDataManipulation )
            + " RENAME TO "
            + ::dbtools::composeTableName( getMetaData(), sCatalog, sSchema, sTable, true, ::dbtools::EComposeRule::InDataManipulation );
 
        executeStatement(sSql);
 
        ::connectivity::OTable_TYPEDEF::rename(newName);
    }
    else
        ::dbtools::qualifiedNameComponents(getMetaData(),newName,m_CatalogName,m_SchemaName,m_Name,::dbtools::EComposeRule::InTableDefinitions);
}
 
 
Any SAL_CALL OHSQLTable::queryInterface( const Type & rType )
{
    if( m_Type == "VIEW" && rType == cppu::UnoType<XRename>::get())
        return Any();
 
    return OTableHelper::queryInterface(rType);
}
 
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

V547 Expression 'bOldAutoIncrement != bAutoIncrement' is always false.

V1053 Calling the 'construct' virtual function in the constructor may lead to unexpected result at runtime.

V1053 Calling the 'construct' virtual function in the constructor may lead to unexpected result at runtime.

V547 Expression 'm_xColumns' is always true.

V560 A part of conditional expression is always false: nOldType != nNewType.

V560 A part of conditional expression is always false: nOldPrec != nNewPrec.

V560 A part of conditional expression is always false: nOldScale != nNewScale.

V560 A part of conditional expression is always false: nNewNullable != nOldNullable.

V560 A part of conditional expression is always false: bOldAutoIncrement != bAutoIncrement.