/**************************************************************
 * 
 * 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_cui.hxx"

#include "connpoolconfig.hxx"
#include "connpoolsettings.hxx"

#include "connpooloptions.hxx"
#include <svl/itemset.hxx>
#include <unotools/confignode.hxx>
#include <comphelper/extract.hxx>
#include <svl/eitem.hxx>
#include <comphelper/processfactory.hxx>
#include "sdbcdriverenum.hxx"

//........................................................................
namespace offapp
{
//........................................................................

	using namespace ::utl;
	using namespace ::com::sun::star::uno;

	//--------------------------------------------------------------------
	static const ::rtl::OUString& getConnectionPoolNodeName()
	{
		static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("org.openoffice.Office.DataAccess/ConnectionPool");
		return s_sNodeName;
	}

	//--------------------------------------------------------------------
	static const ::rtl::OUString& getEnablePoolingNodeName()
	{
		static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("EnablePooling");
		return s_sNodeName;
	}

	//--------------------------------------------------------------------
	static const ::rtl::OUString& getDriverSettingsNodeName()
	{
		static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("DriverSettings");
		return s_sNodeName;
	}

	//--------------------------------------------------------------------
	static const ::rtl::OUString& getDriverNameNodeName()
	{
		static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("DriverName");
		return s_sNodeName;
	}

	//--------------------------------------------------------------------
	static const ::rtl::OUString& getEnableNodeName()
	{
		static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("Enable");
		return s_sNodeName;
	}

	//--------------------------------------------------------------------
	static const ::rtl::OUString& getTimeoutNodeName()
	{
		static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("Timeout");
		return s_sNodeName;
	}

	//====================================================================
	//= ConnectionPoolConfig
	//====================================================================
	//--------------------------------------------------------------------
	void ConnectionPoolConfig::GetOptions(SfxItemSet& _rFillItems)
	{
		// the config node where all pooling relevant info are stored under
		OConfigurationTreeRoot aConnectionPoolRoot = OConfigurationTreeRoot::createWithServiceFactory(
			::comphelper::getProcessServiceFactory(), getConnectionPoolNodeName(), -1, OConfigurationTreeRoot::CM_READONLY);

		// the global "enabled" flag
		Any aEnabled = aConnectionPoolRoot.getNodeValue(getEnablePoolingNodeName());
		sal_Bool bEnabled = sal_True;
		aEnabled >>= bEnabled;
		_rFillItems.Put(SfxBoolItem(SID_SB_POOLING_ENABLED, bEnabled));

		// the settings for the single drivers
		DriverPoolingSettings aSettings;
		// first get all the drivers register at the driver manager
		ODriverEnumeration aEnumDrivers;
		for	(	ODriverEnumeration::const_iterator aLoopDrivers = aEnumDrivers.begin();
				aLoopDrivers != aEnumDrivers.end();
				++aLoopDrivers
			)
		{
			aSettings.push_back(DriverPooling(*aLoopDrivers, sal_False, 120));
		}

		// then look for which of them settings are stored in the configuration
		OConfigurationNode aDriverSettings = aConnectionPoolRoot.openNode(getDriverSettingsNodeName());

		Sequence< ::rtl::OUString > aDriverKeys = aDriverSettings.getNodeNames();
		const ::rtl::OUString* pDriverKeys = aDriverKeys.getConstArray();
		const ::rtl::OUString* pDriverKeysEnd = pDriverKeys + aDriverKeys.getLength();
		for (;pDriverKeys != pDriverKeysEnd; ++pDriverKeys)
		{
			// the name of the driver in this round
			OConfigurationNode aThisDriverSettings = aDriverSettings.openNode(*pDriverKeys);
			::rtl::OUString sThisDriverName;
			aThisDriverSettings.getNodeValue(getDriverNameNodeName()) >>= sThisDriverName;

			// look if we (resp. the driver manager) know this driver
			// doing O(n) search here, which is expensive, but this doesn't matter in this small case ...
 			DriverPoolingSettings::iterator aLookup;
 			for	(	aLookup = aSettings.begin();
					aLookup != aSettings.end();
					++aLookup
				)
				if (sThisDriverName.equals(aLookup->sName))
					break;

			if (aLookup == aSettings.end())
			{	// do not know the driver - add it
				aSettings.push_back(DriverPooling(sThisDriverName, sal_False, 120));

				// and the position of the new entry
				aLookup = aSettings.end();
				--aLookup;
			}

			// now fill this entry with the settings from the configuration
			aThisDriverSettings.getNodeValue(getEnableNodeName()) >>= aLookup->bEnabled;
			aThisDriverSettings.getNodeValue(getTimeoutNodeName()) >>= aLookup->nTimeoutSeconds;
		}

		_rFillItems.Put(DriverPoolingSettingsItem(SID_SB_DRIVER_TIMEOUTS, aSettings));
	}

	//--------------------------------------------------------------------
	void ConnectionPoolConfig::SetOptions(const SfxItemSet& _rSourceItems)
	{
		// the config node where all pooling relevant info are stored under
		OConfigurationTreeRoot aConnectionPoolRoot = OConfigurationTreeRoot::createWithServiceFactory(
			::comphelper::getProcessServiceFactory(), getConnectionPoolNodeName(), -1, OConfigurationTreeRoot::CM_UPDATABLE);

		if (!aConnectionPoolRoot.isValid())
			// already asserted by the OConfigurationTreeRoot
			return;

		sal_Bool bNeedCommit = sal_False;

		// the global "enabled" flag
		SFX_ITEMSET_GET( _rSourceItems, pEnabled, SfxBoolItem, SID_SB_POOLING_ENABLED, sal_True );
		if (pEnabled)
		{
			sal_Bool bEnabled = pEnabled->GetValue();
			aConnectionPoolRoot.setNodeValue(getEnablePoolingNodeName(), Any(&bEnabled, ::getBooleanCppuType()));
			bNeedCommit = sal_True;
		}

		// the settings for the single drivers
		SFX_ITEMSET_GET( _rSourceItems, pDriverSettings, DriverPoolingSettingsItem, SID_SB_DRIVER_TIMEOUTS, sal_True );
		if (pDriverSettings)
		{
			OConfigurationNode aDriverSettings = aConnectionPoolRoot.openNode(getDriverSettingsNodeName());
			if (!aDriverSettings.isValid())
				return;

			::rtl::OUString sThisDriverName;
			OConfigurationNode aThisDriverSettings;

			const DriverPoolingSettings& rNewSettings = pDriverSettings->getSettings();
			for (	DriverPoolingSettings::const_iterator aLoop = rNewSettings.begin();
					aLoop != rNewSettings.end();
					++aLoop
				)
			{
				// need the name as ::rtl::OUString
				sThisDriverName = aLoop->sName;

				// the sub-node for this driver
				if (aDriverSettings.hasByName(aLoop->sName))
					aThisDriverSettings = aDriverSettings.openNode(aLoop->sName);
				else
					aThisDriverSettings = aDriverSettings.createNode(aLoop->sName);

				// set the values
				aThisDriverSettings.setNodeValue(getDriverNameNodeName(), makeAny(sThisDriverName));
				aThisDriverSettings.setNodeValue(getEnableNodeName(), Any(&aLoop->bEnabled, ::getBooleanCppuType()));
				aThisDriverSettings.setNodeValue(getTimeoutNodeName(), makeAny(aLoop->nTimeoutSeconds));
			}
			bNeedCommit = sal_True;
		}
		if (bNeedCommit)
			aConnectionPoolRoot.commit();
	}

//........................................................................
}	// namespace offapp
//........................................................................