/**
 * 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.
 */

#pragma once

#include <QHash>
#include <QSet>

#include <U2Core/Msa.h>
#include <U2Core/Task.h>
#include <U2Core/global.h>

#include "ui_DNAStatMSAProfileDialog.h"

namespace U2 {

class MsaEditor;
class SaveDocumentController;

class DNAStatMSAProfileDialog : public QDialog, public Ui_DNAStatMSAProfileDialog {
    Q_OBJECT

public:
    DNAStatMSAProfileDialog(QWidget* p, MsaEditor* ctx);

    void accept();
    /*Notify user about problems with big report, and disable opening report in UGENE*/
    void showAlignmentIsTooBigWarning();
private slots:
    void sl_formatSelected();
    void sl_formatChanged(const QString& newFormat);

private:
    void initSaveController();

    MsaEditor* ctx;
    SaveDocumentController* saveController;

    static const QString HTML;
    static const QString CSV;
};

enum DNAStatMSAProfileOutputFormat {
    DNAStatMSAProfileOutputFormat_Show,
    DNAStatMSAProfileOutputFormat_CSV,
    DNAStatMSAProfileOutputFormat_HTML
};

class DNAStatMSAProfileTaskSettings {
public:
    DNAStatMSAProfileTaskSettings() {
        outFormat = DNAStatMSAProfileOutputFormat_Show;
        usePercents = false;
        reportGaps = false;
        stripUnused = false;
        countGapsInConsensusNumbering = true;
    }

    QString profileName;  // usually object name
    QString profileURL;  // document url
    Msa ma;
    bool usePercents;  // report percents but not counts
    DNAStatMSAProfileOutputFormat outFormat;
    QString outURL;
    bool reportGaps;  // report GAPS statistics
    bool stripUnused;  // do not include into report chars unused in alignment
    bool countGapsInConsensusNumbering;  // affects html output only
};

class DNAStatMSAProfileTask : public Task {
    Q_OBJECT
public:
    DNAStatMSAProfileTask(const DNAStatMSAProfileTaskSettings& s);

    void run();
    QString generateReport() const;
    virtual bool isReportingEnabled() const;

    ReportResult report();

private:
    void computeStats();

    DNAStatMSAProfileTaskSettings s;

    // fields to keep statistics
    struct ColumnStat {
        char consChar;
        QVector<int> charFreqs;
    };

    QStringList verticalColumnNames;
    QVector<ColumnStat> columns;
    QVector<char> consenusChars;
    QHash<char, int> char2index;  // char 2 index in 'ColumnStat'
    QSet<char> unusedChars;
    QString resultText;
};

}  // namespace U2
