/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2021 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.
 */

#ifndef _U2_ENZYMES_DIALOG_H_
#define _U2_ENZYMES_DIALOG_H_

#include <ui_EnzymesSelectorWidget.h>
#include <ui_FindEnzymesDialog.h>

#include <QTreeWidget>
#include <QTreeWidgetItem>

#include <U2Algorithm/EnzymeModel.h>

#include <U2Gui/MainWindow.h>

namespace U2 {

class ADVSequenceObjectContext;
class CreateAnnotationWidgetController;
class EnzymeGroupTreeItem;
class RegionSelectorWithExludedRegion;

class EnzymesSelectorWidget : public QWidget, public Ui_EnzymesSelectorWidget {
    Q_OBJECT
public:
    EnzymesSelectorWidget();
    ~EnzymesSelectorWidget();

    static void setupSettings();
    static void saveSettings();
    static void initSelection();
    static QList<SEnzymeData> getLoadedEnzymes();
    QList<SEnzymeData> getSelectedEnzymes();
    int getNumSelected();
    int getTotalNumber() {
        return totalEnzymes;
    }

signals:
    void si_selectionModified(int, int);
private slots:
    void sl_openEnzymesFile();
    void sl_saveEnzymesFile();
    void sl_selectAll();
    void sl_selectNone();
    void sl_selectByLength();
    void sl_inverseSelection();
    void sl_saveSelectionToFile();
    void sl_loadSelectionFromFile();
    void sl_openDBPage();
    void sl_itemChanged(QTreeWidgetItem *item, int col);
    void sl_filterTextChanged(const QString &filterText);

private:
    void loadFile(const QString &url);
    void saveFile(const QString &url);
    void setEnzymesList(const QList<SEnzymeData> &enzymes);
    void updateStatus();

    EnzymeGroupTreeItem *findGroupItem(const QString &s, bool create);

    static QList<SEnzymeData> loadedEnzymes;
    //saves selection between calls to getSelectedEnzymes()
    static QSet<QString> lastSelection;

    int totalEnzymes;
    bool ignoreItemChecks;
    int minLength;
};

class FindEnzymesDialog : public QDialog, public Ui_FindEnzymesDialog {
    Q_OBJECT
public:
    FindEnzymesDialog(ADVSequenceObjectContext *advSequenceContext);
    virtual void accept();
private slots:
    void sl_onSelectionModified(int total, int nChecked);

private:
    void initSettings();
    void saveSettings();

    /** FindEnzymes dialog is always opened for some sequence in ADVSequenceView. */
    ADVSequenceObjectContext *advSequenceContext;

    EnzymesSelectorWidget *enzSel;
    RegionSelectorWithExludedRegion *regionSelector;
};

class EnzymeTreeItem;
class EnzymeGroupTreeItem : public QTreeWidgetItem {
public:
    EnzymeGroupTreeItem(const QString &s);
    void updateVisual();
    QString s;
    QSet<EnzymeTreeItem *> checkedEnzymes;
    bool operator<(const QTreeWidgetItem &other) const;
};

class EnzymeTreeItem : public QTreeWidgetItem {
public:
    EnzymeTreeItem(const SEnzymeData &ed);
    SEnzymeData enzyme;
    bool operator<(const QTreeWidgetItem &other) const;
};

#define ANY_VALUE -1

}    // namespace U2

#endif
