/* === This file is part of Calamares - <http://github.com/calamares> ===
 *
 *   Copyright 2015, Teo Mrnjavac <teo@kde.org>
 *
 *   Calamares is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   Calamares is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
 */

#include "DebugWindow.h"
#include "utils/Retranslator.h"
#include "utils/qjsonmodel.h"
#include "JobQueue.h"
#include "Job.h"
#include "GlobalStorage.h"
#include "modulesystem/ModuleManager.h"
#include "modulesystem/Module.h"

#include <QJsonDocument>
#include <QSplitter>
#include <QStringListModel>
#include <QTreeView>

namespace Calamares {

DebugWindow::DebugWindow()
    : QWidget( nullptr )
{
    setupUi( this );

    // GlobalStorage page
    QJsonModel* jsonModel = new QJsonModel( this );

    globalStorageView->setModel( jsonModel );
    GlobalStorage* gs = JobQueue::instance()->globalStorage();

    connect( gs, &GlobalStorage::changed, [ = ]
    {
        jsonModel->loadJson( QJsonDocument::fromVariant( gs->m ).toJson() );
        globalStorageView->expandAll();
    } );
    jsonModel->loadJson( QJsonDocument::fromVariant( gs->m ).toJson() );
    globalStorageView->expandAll();

    // JobQueue page
    jobQueueText->setReadOnly( true );
    connect( JobQueue::instance(), &JobQueue::queueChanged,
             [ this ]( const QList< Calamares::job_ptr >& jobs )
    {
        QStringList text;
        foreach( auto job, jobs )
        {
            text.append( job->prettyName() );
        }

        jobQueueText->setText( text.join( '\n' ) );
    } );

    // Modules page
    QSplitter* splitter = new QSplitter( modulesTab );
    modulesTab->layout()->addWidget( splitter );
    splitter->addWidget( modulesListView );
    splitter->addWidget( moduleConfigView );

    QStringListModel* modulesModel = new QStringListModel( ModuleManager::instance()->availableModules() );
    modulesListView->setModel( modulesModel );
    modulesListView->setSelectionMode( QAbstractItemView::SingleSelection );

    QJsonModel* moduleConfigModel = new QJsonModel( this );
    moduleConfigView->setModel( moduleConfigModel );

    connect( modulesListView->selectionModel(), &QItemSelectionModel::selectionChanged,
             [ this, moduleConfigModel ]
    {
        QString moduleName = modulesListView->currentIndex().data().toString();
        Module* module = ModuleManager::instance()->module( moduleName );
        if ( module )
        {
            moduleConfigModel->loadJson( QJsonDocument::fromVariant( module->configurationMap() ).toJson() );
            moduleConfigView->expandAll();
        }
    } );

    CALAMARES_RETRANSLATE(
        retranslateUi( this );
        setWindowTitle( tr( "Debug information" ) );
    )
}


void
DebugWindow::closeEvent( QCloseEvent* e )
{
    Q_UNUSED( e )
    emit closed();
}

} // namespace Calamares