/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
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 * 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 "mysql/YTables.hxx"
#include "mysql/YViews.hxx"
#include "mysql/YTable.hxx"
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbcx/Privilege.hpp>
#include <com/sun/star/sdbc/KeyRule.hpp>
#include <com/sun/star/sdbcx/KeyType.hpp>
#include "mysql/YCatalog.hxx"
#include <comphelper/extract.hxx>
#include <connectivity/dbtools.hxx>
#include <connectivity/dbexception.hxx>
#include <cppuhelper/interfacecontainer.h>
#include <comphelper/types.hxx>
#include "TConnection.hxx"

using namespace ::comphelper;
using namespace connectivity;
using namespace ::cppu;
using namespace connectivity::mysql;
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;
using namespace dbtools;

sdbcx::ObjectType OTables::createObject(const OUString& _rName)
{
    OUString sCatalog,sSchema,sTable;
    ::dbtools::qualifiedNameComponents(m_xMetaData,_rName,sCatalog,sSchema,sTable,::dbtools::eInDataManipulation);

    static const char s_sTableTypeView[] = "VIEW";
    static const char s_sTableTypeTable[] = "TABLE";
    static const char s_sAll[] = "%";

    Sequence< OUString > sTableTypes(3);
    sTableTypes[0] = s_sTableTypeView;
    sTableTypes[1] = s_sTableTypeTable;
    sTableTypes[2] = s_sAll;    // just to be sure to include anything else ....

    Any aCatalog;
    if ( !sCatalog.isEmpty() )
        aCatalog <<= sCatalog;
    Reference< XResultSet > xResult = m_xMetaData->getTables(aCatalog,sSchema,sTable,sTableTypes);

    sdbcx::ObjectType xRet = nullptr;
    if ( xResult.is() )
    {
        Reference< XRow > xRow(xResult,UNO_QUERY);
        if ( xResult->next() ) // there can be only one table with this name
        {
            sal_Int32 nPrivileges = Privilege::DROP         |
                                    Privilege::REFERENCE    |
                                    Privilege::ALTER        |
                                    Privilege::CREATE       |
                                    Privilege::READ         |
                                    Privilege::DELETE       |
                                    Privilege::UPDATE       |
                                    Privilege::INSERT       |
                                    Privilege::SELECT;

            OMySQLTable* pRet = new OMySQLTable( this
                                                ,static_cast<OMySQLCatalog&>(m_rParent).getConnection()
                                                ,sTable
                                                ,xRow->getString(4)
                                                ,xRow->getString(5)
                                                ,sSchema
                                                ,sCatalog
                                                ,nPrivileges);
            xRet = pRet;
        }
        ::comphelper::disposeComponent(xResult);
    }

    return xRet;
}

void OTables::impl_refresh(  ) throw(RuntimeException)
{
    static_cast<OMySQLCatalog&>(m_rParent).refreshTables();
}

void OTables::disposing()
{
m_xMetaData.clear();
    OCollection::disposing();
}

Reference< XPropertySet > OTables::createDescriptor()
{
    return new OMySQLTable(this,static_cast<OMySQLCatalog&>(m_rParent).getConnection());
}

// XAppend
sdbcx::ObjectType OTables::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
{
    createTable(descriptor);
    return createObject( _rForName );
}

// XDrop
void OTables::dropObject(sal_Int32 _nPos,const OUString& _sElementName)
{
    Reference< XInterface > xObject( getObject( _nPos ) );
    bool bIsNew = connectivity::sdbcx::ODescriptor::isNew( xObject );
    if (!bIsNew)
    {
        Reference< XConnection > xConnection = static_cast<OMySQLCatalog&>(m_rParent).getConnection();


        OUString sCatalog,sSchema,sTable;
        ::dbtools::qualifiedNameComponents(m_xMetaData,_sElementName,sCatalog,sSchema,sTable,::dbtools::eInDataManipulation);

        OUString aSql(  "DROP " );

        Reference<XPropertySet> xProp(xObject,UNO_QUERY);
        bool bIsView = xProp.is() && ::comphelper::getString(xProp->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE))) == "VIEW";
        if(bIsView) // here we have a view
            aSql += "VIEW ";
        else
            aSql += "TABLE ";

        OUString sComposedName(
            ::dbtools::composeTableName( m_xMetaData, sCatalog, sSchema, sTable, true, ::dbtools::eInDataManipulation ) );
        aSql += sComposedName;
        Reference< XStatement > xStmt = xConnection->createStatement(  );
        if ( xStmt.is() )
        {
            xStmt->execute(aSql);
            ::comphelper::disposeComponent(xStmt);
        }
        // if no exception was thrown we must delete it from the views
        if ( bIsView )
        {
            OViews* pViews = static_cast<OViews*>(static_cast<OMySQLCatalog&>(m_rParent).getPrivateViews());
            if ( pViews && pViews->hasByName(_sElementName) )
                pViews->dropByNameImpl(_sElementName);
        }
    }
}

OUString OTables::adjustSQL(const OUString& _sSql)
{
    OUString sSQL = _sSql;
    static const char s_sUNSIGNED[] = "UNSIGNED";
    sal_Int32 nIndex = sSQL.indexOf(s_sUNSIGNED);
    while(nIndex != -1 )
    {
        sal_Int32 nParen = sSQL.indexOf(')',nIndex);
        sal_Int32 nPos = nIndex + strlen(s_sUNSIGNED);
        OUString sNewUnsigned( sSQL.copy(nPos,nParen - nPos + 1));
        sSQL = sSQL.replaceAt(nIndex, strlen(s_sUNSIGNED) + sNewUnsigned.getLength(), sNewUnsigned + s_sUNSIGNED);
        nIndex = sSQL.indexOf(s_sUNSIGNED,nIndex + strlen(s_sUNSIGNED) + sNewUnsigned.getLength());
    }
    return sSQL;
}

void OTables::createTable( const Reference< XPropertySet >& descriptor )
{
    const Reference< XConnection > xConnection = static_cast<OMySQLCatalog&>(m_rParent).getConnection();
    static const char s_sCreatePattern[] = "(M,D)";
    const OUString aSql = adjustSQL(::dbtools::createSqlCreateTableStatement(descriptor,xConnection,this,s_sCreatePattern));
    Reference< XStatement > xStmt = xConnection->createStatement(  );
    if ( xStmt.is() )
    {
        xStmt->execute(aSql);
        ::comphelper::disposeComponent(xStmt);
    }
}

void OTables::appendNew(const OUString& _rsNewTable)
{
    insertElement(_rsNewTable,nullptr);

    // notify our container listeners
    ContainerEvent aEvent(static_cast<XContainer*>(this), makeAny(_rsNewTable), Any(), Any());
    OInterfaceIteratorHelper2 aListenerLoop(m_aContainerListeners);
    while (aListenerLoop.hasMoreElements())
        static_cast<XContainerListener*>(aListenerLoop.next())->elementInserted(aEvent);
}

OUString OTables::getNameForObject(const sdbcx::ObjectType& _xObject)
{
    OSL_ENSURE(_xObject.is(),"OTables::getNameForObject: Object is NULL!");
    return ::dbtools::composeTableName( m_xMetaData, _xObject, ::dbtools::eInDataManipulation, false, false, false );
}

void OTables::addComment(const Reference< XPropertySet >& descriptor,OUStringBuffer& _rOut)
{
    OUString sDesc;
    descriptor->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DESCRIPTION))     >>= sDesc;
    if ( !sDesc.isEmpty() )
    {
        _rOut.append(" COMMENT '");
        _rOut.append(sDesc);
        _rOut.append("'");
    }
}

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