/*********
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2006 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License version 2.0.
*
**********/



#include "cmanageindiceswidget.h"

#include "cmoduleindexdialog.h"

#include "cbtconfig.h"

#include "util/ctoolclass.h"
#include "util/cresmgr.h"
#include "util/cpointers.h"

#include "backend/cswordmoduleinfo.h"
#include "backend/cswordbackend.h"

//TQt includes
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqframe.h>
#include <tqpushbutton.h>
#include <tqdir.h>
#include <tqlistview.h>
#include <tqfileinfo.h>
#include <tqcheckbox.h>

//TDE includes
#include <tdelocale.h>
#include <tdelistview.h>
#include <kiconloader.h>

namespace BookshelfManager {

/** Constructor */
CManageIndicesWidget::CManageIndicesWidget(TQWidget* parent, const char* name) :
	ManageIndicesForm(parent, name) {
	
	initView();
	populateModuleList();
};

CManageIndicesWidget::~CManageIndicesWidget()
{
	CBTConfig::set( CBTConfig::autoDeleteOrphanedIndices, m_autoDeleteOrphanedIndicesBox->isChecked() );

}

/** Initializes the look and feel of this page */
void CManageIndicesWidget::initView()
{
	// Set description label
	TQVBoxLayout* box = new TQVBoxLayout(m_labelFrame, 0, 0);
	TQLabel* mainLabel = CToolClass::explanationLabel(m_labelFrame,
		i18n("Manage module search indices"),
		i18n("You can use the list below to create and/or delete search indices for your installed works."));
	box->addWidget(mainLabel);

	// configure the list view
	m_moduleList->addColumn(i18n("Module"));
	m_moduleList->addColumn(i18n("Index size"));
	m_moduleList->setRootIsDecorated(true);
	m_moduleList->setColumnWidth(0, 150);
	m_moduleList->setColumnAlignment(1, TQt::AlignRight);
	m_moduleList->setSorting( -1 );

	m_autoDeleteOrphanedIndicesBox->setChecked( CBTConfig::get( CBTConfig::autoDeleteOrphanedIndices ) );

	// icons for our buttons
	m_createIndicesButton->setIconSet(SmallIcon("folder-new", 16));
	m_deleteIndicesButton->setIconSet(SmallIcon("remove", 16));

	// connect our signals/slots
	connect(m_createIndicesButton, TQ_SIGNAL(clicked()), this, TQ_SLOT(createIndices()));
	connect(m_deleteIndicesButton, TQ_SIGNAL(clicked()), this, TQ_SLOT(deleteIndices()));
}

/** Populates the module list with installed modules and orphaned indices */
void CManageIndicesWidget::populateModuleList() {
	m_moduleList->clear();
		
	// populate installed modules
	m_modsWithIndices = new TQCheckListItem(m_moduleList, i18n("Modules with indices"),
		TQCheckListItem::CheckBoxController);
	m_modsWithIndices->setOpen(true);

	m_modsWithoutIndices = new TQCheckListItem(m_moduleList, i18n("Modules without indices"),
		TQCheckListItem::CheckBoxController);
	m_modsWithoutIndices->setOpen(true);

	ListCSwordModuleInfo& modules = CPointers::backend()->moduleList();
	ListCSwordModuleInfo::iterator end_it = modules.end();
	for (ListCSwordModuleInfo::iterator it = modules.begin(); it != end_it; ++it) {
		TQCheckListItem* item = 0;
		
		if ((*it)->hasIndex()) {
			item = new TQCheckListItem(m_modsWithIndices, (*it)->name(),
				TQCheckListItem::CheckBox);
			item->setText(1, TQString("%1 ").arg((*it)->indexSize() / 1024) + i18n("KiB"));
		}
		else {
			item = new TQCheckListItem(m_modsWithoutIndices, (*it)->name(),
				TQCheckListItem::CheckBox);
			item->setText(1, TQString("0 ") + i18n("KiB"));
		}
	}
}

/** Creates indices for selected modules if no index currently exists */
void CManageIndicesWidget::createIndices()
{
	TQCheckListItem* top = m_modsWithoutIndices;
	bool indicesCreated = false;
	TQCheckListItem* item = (TQCheckListItem*)top->firstChild();

	ListCSwordModuleInfo moduleList;
	while (item) {
		if (item->isOn()) {
			CSwordModuleInfo* module =
				CPointers::backend()->findModuleByName(item->text().utf8());

			
			if (module) {
				moduleList.append( module );
				indicesCreated = true;
			}
		}
		item = (TQCheckListItem*)item->nextSibling();
	}

	//Shows the progress dialog
	if (indicesCreated) {
		CModuleIndexDialog::getInstance()->indexAllModules( moduleList );
		populateModuleList();
	}
}

/** Deletes indices for selected modules and selected orphans */
void CManageIndicesWidget::deleteIndices()
{
	// delete installed module indices
	TQCheckListItem* top = m_modsWithIndices;
	bool indicesDeleted = false;
	TQCheckListItem* item = (TQCheckListItem*)top->firstChild();
	while (item) {
		if (item->isOn()) {
			CSwordModuleInfo* module =
				CPointers::backend()->findModuleByName(item->text().utf8());
			if (module) {
				CSwordModuleInfo::deleteIndexForModule( module->name() );
				indicesDeleted = true;
			}
		}
		item = (TQCheckListItem*)item->nextSibling();
	}

	// repopulate the list if an action was taken
	if (indicesDeleted) {
		populateModuleList();
	}
}

void CManageIndicesWidget::deleteOrphanedIndices()
{
	TQDir dir(CSwordModuleInfo::getGlobalBaseIndexLocation());
	dir.setFilter(TQDir::Dirs);
	CSwordModuleInfo* module;
	
	for (unsigned int i = 0; i < dir.count(); i++) {
		if (dir[i] != "." && dir[i] != "..") {
			if (module = CPointers::backend()->findModuleByName( dir[i] ) ) { //mod exists
				if (!module->hasIndex()){ //index files found, but wrong version etc.
					CSwordModuleInfo::deleteIndexForModule( dir[i] );
				}
			}
			else{ //no module exists
				if (CBTConfig::get( CBTConfig::autoDeleteOrphanedIndices ) ){
					CSwordModuleInfo::deleteIndexForModule( dir[i] );
				}
			}
		}
	}
}


}

#include "cmanageindiceswidget.moc"