/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2023 UniPro <ugene@unipro.ru>
 * http://ugene.net
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#include "SpideySupport.h"

#include <QMainWindow>
#include <QMessageBox>

#include <U2Algorithm/SplicedAlignmentTaskRegistry.h>

#include <U2Core/AppContext.h>
#include <U2Core/AppResources.h>
#include <U2Core/AppSettings.h>
#include <U2Core/QObjectScopedPointer.h>
#include <U2Core/U2SafePoints.h>
#include <U2Core/UserApplicationsSettings.h>

#include <U2Gui/CreateAnnotationDialog.h>
#include <U2Gui/CreateAnnotationWidgetController.h>
#include <U2Gui/GUIUtils.h>
#include <U2Gui/ProjectTreeController.h>
#include <U2Gui/ProjectTreeItemSelectorDialog.h>

#include <U2View/ADVConstants.h>
#include <U2View/ADVSequenceObjectContext.h>
#include <U2View/ADVUtils.h>
#include <U2View/AnnotatedDNAView.h>
#include <U2View/AnnotatedDNAViewFactory.h>

#include "ExternalToolSupportSettings.h"
#include "ExternalToolSupportSettingsController.h"
#include "SpideySupportTask.h"

namespace U2 {

const QString SpideySupport::ET_SPIDEY = "Spidey";
const QString SpideySupport::ET_SPIDEY_ID = "USUPP_SPIDEY";
const QString SpideySupport::SPIDEY_TMP_DIR = "spidey";

SpideySupport::SpideySupport()
    : ExternalTool(SpideySupport::ET_SPIDEY_ID, "spidey", SpideySupport::ET_SPIDEY) {
    if (AppContext::getMainWindow() != nullptr) {
        viewCtx = new SpideySupportContext(this);
        icon = QIcon(":external_tool_support/images/cmdline.png");
        grayIcon = QIcon(":external_tool_support/images/cmdline_gray.png");
        warnIcon = QIcon(":external_tool_support/images/cmdline_warn.png");
    }
#ifdef Q_OS_WIN
    executableFileName = "Spidey.exe";
#else
#    if defined(Q_OS_UNIX)
    executableFileName = "spidey";
#    endif
#endif
    validationMessageRegExp = "SPIDEY   arguments:";
    description = tr("<i>Spidey</i> is mRNA-to-DNA alignment program. \
                   <br>Binaries can be downloaded from http://www.ncbi.nlm.nih.gov/spidey/spideyexec.html");
    description += tr("<br><br> Wheelan SJ, Church DM, Ostell JM.");
    description += tr("<br>Spidey: a tool for mRNA-to-genomic alignments");
    description += tr("<br>Genome Res. 2001 Nov;11(11):1952-7.");
    versionRegExp = QRegExp("VersionDate: (\\d+\\/\\d+\\/\\d+)");
    toolKitName = "spidey";

    connect(this, SIGNAL(si_toolValidationStatusChanged(bool)), SLOT(sl_validationStatusChanged(bool)));
    if (isOsWindows()) {
        pathChecks << ExternalTool::PathChecks::NonLatinTemporaryDirPath;
    }
}

void SpideySupport::sl_validationStatusChanged(bool isValid) {
    SplicedAlignmentTaskRegistry* registry = AppContext::getSplicedAlignmentTaskRegistry();
    if (isValid) {
        if (!registry->hadRegistered(ET_SPIDEY_ID)) {
            registry->registerTaskFactory(new SpideyAlignmentTaskFactory, ET_SPIDEY_ID);
        }
    } else {
        registry->unregisterTaskFactory(ET_SPIDEY_ID);
    }
}

////////////////////////////////////////
// SpideySupportContext

SpideySupportContext::SpideySupportContext(QObject* p)
    : GObjectViewWindowContext(p, AnnotatedDNAViewFactory::ID) {
}

void SpideySupportContext::initViewContext(GObjectViewController* view) {
    auto dnaView = qobject_cast<AnnotatedDNAView*>(view);
    assert(dnaView != nullptr);
    if (dnaView->getActiveSequenceContext() == nullptr) {
        return;
    }

    // add spidey action
    QString spideyTitle = tr("Align sequence to mRNA");
    ADVGlobalAction* alignAction = new ADVGlobalAction(dnaView, QIcon(), spideyTitle, 1000 * 2000, ADVGlobalActionFlags(ADVGlobalActionFlag_SingleSequenceOnly));
    alignAction->setObjectName("Align sequence to mRNA");
    addViewAction(alignAction);

    connect(alignAction, SIGNAL(triggered()), SLOT(sl_align_with_Spidey()));
}

void SpideySupportContext::buildStaticOrContextMenu(GObjectViewController* view, QMenu* m) {
    QList<GObjectViewAction*> actions = getViewActions(view);
    QMenu* alignMenu = GUIUtils::findSubMenu(m, ADV_MENU_ALIGN);
    SAFE_POINT(alignMenu != nullptr, "alignMenu", );
    foreach (GObjectViewAction* a, actions) {
        a->addToMenuWithOrder(alignMenu);
    }
}

// This is maximum sequence size we allow to use with Spidey task on 32-bit OSes
// 100Mb sequence size will result to ~1.5Gb memory usage by Spidey process.
#define MAX_SPIDEY_SEQUENCE_LENGTH_32_BIT_OS (100 * 1000 * 1000)

void SpideySupportContext::sl_align_with_Spidey() {
    QWidget* parent = QApplication::activeWindow();

    // Check that Spidey and tempory folder path defined
    if (AppContext::getExternalToolRegistry()->getById(SpideySupport::ET_SPIDEY_ID)->getPath().isEmpty()) {
        QObjectScopedPointer<QMessageBox> msgBox = new QMessageBox(parent);
        msgBox->setWindowTitle(SpideySupport::ET_SPIDEY);
        msgBox->setText(tr("Path for %1 tool not selected.").arg(SpideySupport::ET_SPIDEY));
        msgBox->setInformativeText(tr("Do you want to select it now?"));
        msgBox->setStandardButtons(QMessageBox::Yes | QMessageBox::No);
        msgBox->setDefaultButton(QMessageBox::Yes);
        const int ret = msgBox->exec();
        CHECK(!msgBox.isNull(), );

        if (ret == QMessageBox::Yes) {
            AppContext::getAppSettingsGUI()->showSettingsDialog(ExternalToolSupportSettingsPageId);
        }
        return;
    }

    ProjectTreeControllerModeSettings settings;
    settings.allowMultipleSelection = false;
    settings.objectTypesToShow.insert(GObjectTypes::SEQUENCE);
    QScopedPointer<U2SequenceObjectConstraints> seqConstraints(new U2SequenceObjectConstraints());
    seqConstraints->alphabetType = DNAAlphabet_NUCL;
    settings.objectConstraints.insert(seqConstraints.data());

    QList<GObject*> objects = ProjectTreeItemSelectorDialog::selectObjects(settings, parent);
    if (objects.size() != 1) {
        return;
    }

    auto rnaObj = qobject_cast<U2SequenceObject*>(objects.first());

    auto action = qobject_cast<ADVGlobalAction*>(sender());
    assert(action != nullptr);
    auto dnaView = qobject_cast<AnnotatedDNAView*>(action->getObjectView());
    U2SequenceObject* dnaObj = dnaView->getActiveSequenceContext()->getSequenceObject();

    if (rnaObj && dnaObj) {
        CreateAnnotationModel m;
        m.sequenceObjectRef = dnaObj->getReference();
        m.hideLocation = true;
        m.hideAnnotationType = true;
        m.hideAnnotationName = true;
        m.groupName = "exon";
        QObjectScopedPointer<CreateAnnotationDialog> dlg = new CreateAnnotationDialog(parent, m);
        dlg->setWindowTitle("Save result to annotation");
        dlg->exec();
        CHECK(!dlg.isNull(), );

        if (dlg->result() != QDialog::Accepted) {
            return;
        }

        SplicedAlignmentTaskConfig cfg(rnaObj, dnaObj);
        SpideySupportTask* spideyTask = new SpideySupportTask(cfg, m.getAnnotationObject(), m.description);
        AppContext::getTaskScheduler()->registerTopLevelTask(spideyTask);
    }
}

}  // namespace U2
