/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2016 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 "RicSnapshotAllViewsToFileFeature.h"

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

#include "RimMainPlotCollection.h"
#include "RimProject.h"
#include "RimViewWindow.h"
#include "RimGridView.h"
#include "RimCase.h"
#include "Rim3dOverlayInfoConfig.h"

#include "RicSnapshotViewToFileFeature.h"
#include "RicSnapshotFilenameGenerator.h"

#include "Riu3DMainWindowTools.h"
#include "RiuViewer.h"

#include "RigFemResultPosEnum.h"

#include "cafUtils.h"

#include <QAction>
#include <QClipboard>
#include <QDebug>
#include <QFileDialog>
#include <QFileInfo>
#include <QMdiSubWindow>


CAF_CMD_SOURCE_INIT(RicSnapshotAllViewsToFileFeature, "RicSnapshotAllViewsToFileFeature");

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RicSnapshotAllViewsToFileFeature::saveAllViews()
{
    RiaApplication* app = RiaApplication::instance();
    RimProject* proj = app->project();
    if (!proj) return;

    // Save images in snapshot catalog relative to project directory
    QString snapshotFolderName = app->createAbsolutePathFromProjectRelativePath("snapshots");

    exportSnapshotOfAllViewsIntoFolder(snapshotFolderName);

    QString text = QString("Exported snapshots to folder : \n%1").arg(snapshotFolderName);
    RiaLogging::info(text);
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RicSnapshotAllViewsToFileFeature::exportSnapshotOfAllViewsIntoFolder(const QString& snapshotFolderName, const QString& prefix)
{
    RimProject* project = RiaApplication::instance()->project();

    if (project == nullptr) return;

    QDir snapshotPath(snapshotFolderName);
    if (!snapshotPath.exists())
    {
        if (!snapshotPath.mkpath(".")) return;
    }

    const QString absSnapshotPath = snapshotPath.absolutePath();

    RiaLogging::info(QString("Exporting snapshot of all views to %1").arg(snapshotFolderName));

    std::vector<RimCase*> projectCases;
    project->allCases(projectCases);

    for (size_t i = 0; i < projectCases.size(); i++)
    {
        RimCase* cas = projectCases[i];
        if (!cas) continue;

        std::vector<Rim3dView*> views = cas->views();

        for (size_t j = 0; j < views.size(); j++)
        {
            Rim3dView* riv = views[j];

            if (riv && riv->viewer())
            {
                RiaApplication::instance()->setActiveReservoirView(riv);

                RiuViewer* viewer = riv->viewer();
                Riu3DMainWindowTools::setActiveViewer(viewer->layoutWidget());

                RiaViewRedrawScheduler::instance()->clearViewsScheduledForUpdate();

                //riv->updateCurrentTimeStepAndRedraw();
                riv->createDisplayModelAndRedraw();
                viewer->repaint();

                QString fileName = RicSnapshotFilenameGenerator::generateSnapshotFileName(riv);
                if (!prefix.isEmpty())
                {
                    fileName = prefix + fileName;
                }

                QString absoluteFileName = caf::Utils::constructFullFileName(absSnapshotPath, fileName, ".png");
                
                RicSnapshotViewToFileFeature::saveSnapshotAs(absoluteFileName, riv);

                // Statistics dialog

                RimGridView* rigv = dynamic_cast<RimGridView*>(riv);
                if ( rigv )
                {
                    QImage img = rigv->overlayInfoConfig()->statisticsDialogScreenShotImage();
                    absoluteFileName = caf::Utils::constructFullFileName(absSnapshotPath, fileName + "_Statistics", ".png");
                    RicSnapshotViewToFileFeature::saveSnapshotAs(absoluteFileName, img);
                }
            }
        }
    }
}

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

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RicSnapshotAllViewsToFileFeature::onActionTriggered(bool isChecked)
{
    QWidget* currentActiveWidget = nullptr;
    if (RiaApplication::activeViewWindow())
    {
        currentActiveWidget = RiaApplication::activeViewWindow()->viewWidget();
    }

    RicSnapshotAllViewsToFileFeature::saveAllViews();

    if (currentActiveWidget)
    {
        Riu3DMainWindowTools::setActiveViewer(currentActiveWidget);
    }
}

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RicSnapshotAllViewsToFileFeature::setupActionLook(QAction* actionToSetup)
{
    actionToSetup->setText("Snapshot All Views To File");
    actionToSetup->setIcon(QIcon(":/SnapShotSaveViews.png"));
}