/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2017-     Statoil ASA
//
//  ResInsight 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.
//
//  ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#include "RicAsciiExportWellLogPlotFeature.h"

#include "RiaApplication.h"
#include "RiaLogging.h"

#include "RimWellLogPlot.h"

#include "RiuFileDialogTools.h"
#include "RiuMainWindow.h"

#include "cafPdmUiPropertyViewDialog.h"
#include "cafProgressInfo.h"
#include "cafSelectionManager.h"
#include "cafUtils.h"
#include "cvfAssert.h"

#include <QAction>
#include <QDebug>
#include <QDir>
#include <QFileInfo>

CAF_CMD_SOURCE_INIT( RicAsciiExportWellLogPlotFeature, "RicAsciiExportWellLogPlotFeature" );

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RicAsciiExportWellLogPlotFeature::isCommandEnabled()
{
    return true;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RicAsciiExportWellLogPlotFeature::onActionTriggered( bool isChecked )
{
    this->disableModelChangeContribution();

    std::vector<RimWellLogPlot*> selectedWellLogPlots;
    caf::SelectionManager::instance()->objectsByType( &selectedWellLogPlots );
    QString defaultDir = RiaApplication::instance()->lastUsedDialogDirectoryWithFallbackToProjectFolder( "PLOT_ASCIIEXPORT_DIR" );

    caf::ProgressInfo pi( selectedWellLogPlots.size(), QString( "Exporting plot data to ASCII" ) );
    size_t            progress = 0;

    if ( selectedWellLogPlots.size() == 1 )
    {
        RimWellLogPlot* wellLogPlot     = selectedWellLogPlots.at( 0 );
        QString         defaultFileName = defaultDir + "/" + caf::Utils::makeValidFileBasename( ( wellLogPlot->description() ) ) + ".ascii";
        QString         fileName        = RiuFileDialogTools::getSaveFileName( nullptr,
                                                                "Select File for Plot Data Export",
                                                                defaultFileName,
                                                                "Text File(*.ascii);;All files(*.*)" );
        if ( fileName.isEmpty() ) return;
        RicAsciiExportWellLogPlotFeature::exportAsciiForWellLogPlot( fileName, wellLogPlot );

        progress++;
        pi.setProgress( progress );
    }
    else if ( selectedWellLogPlots.size() > 1 )
    {
        std::vector<QString> fileNames;
        for ( RimWellLogPlot* wellLogPlot : selectedWellLogPlots )
        {
            QString fileName = caf::Utils::makeValidFileBasename( wellLogPlot->description() ) + ".ascii";
            fileNames.push_back( fileName );
        }

        QString saveDir;
        bool    writeFiles = caf::Utils::getSaveDirectoryAndCheckOverwriteFiles( defaultDir, fileNames, &saveDir );
        if ( !writeFiles ) return;

        RiaLogging::info( QString( "Writing to directory %!" ).arg( saveDir ) );
        for ( RimWellLogPlot* wellLogPlot : selectedWellLogPlots )
        {
            QString fileName = saveDir + "/" + caf::Utils::makeValidFileBasename( wellLogPlot->description() ) + ".ascii";
            RicAsciiExportWellLogPlotFeature::exportAsciiForWellLogPlot( fileName, wellLogPlot );

            progress++;
            pi.setProgress( progress );
        }
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RicAsciiExportWellLogPlotFeature::setupActionLook( QAction* actionToSetup )
{
    actionToSetup->setText( "Export Plot Data to Text File" );
    actionToSetup->setIcon( QIcon( ":/Save.svg" ) );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QString RicAsciiExportWellLogPlotFeature::makeValidExportFileName( const RimWellLogPlot* wellLogPlot,
                                                                   const QString&        folder,
                                                                   const QString&        prefix,
                                                                   bool                  capitalizeFileName )
{
    QString fileName = folder + "/" + prefix + caf::Utils::makeValidFileBasename( wellLogPlot->description() ) + ".ascii";
    if ( capitalizeFileName ) fileName = fileName.toUpper();

    QDir dir( folder );
    return dir.absoluteFilePath( fileName );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RicAsciiExportWellLogPlotFeature::exportAsciiForWellLogPlot( const QString& fileName, const RimWellLogPlot* wellLogPlot )
{
    QFile file( fileName );
    if ( !file.open( QIODevice::WriteOnly | QIODevice::Text ) )
    {
        return false;
    }

    RiaLogging::info( QString( "Writing values for plot(s) to file: %1" ).arg( fileName ) );

    QTextStream out( &file );

    out << wellLogPlot->description();
    out << "\n";
    out << wellLogPlot->asciiDataForPlotExport();
    out << "\n\n";

    RiaLogging::info( QString( "Competed writing values for plot(s) to file %1" ).arg( fileName ) );

    return true;
}