/**
 * 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 <QBitArray>

#include <U2Core/U2Region.h>

#include "ov_msa/MaEditor.h"
#include "ov_msa/MaEditorConsensusAreaSettings.h"

class QPainter;

namespace U2 {

class MsaColorScheme;
class MaEditorConsensusArea;
class MsaEditorConsensusCache;

class ConsensusRenderSettings {
public:
    ConsensusRenderSettings();

    U2Region xRangeToDrawIn;
    QMap<MaEditorConsElement, U2Region> yRangeToDrawIn;

    int columnWidth;
    QFont font;
    QFont rulerFont;
    bool drawSelection;
    MsaColorScheme* colorScheme;
    MaEditor::ResizeMode resizeMode;
    bool highlightMismatches;

    int rulerWidth;
    int firstNotchedBasePosition;
    int lastNotchedBasePosition;
    U2Region firstNotchedBaseXRange;
    U2Region lastNotchedBaseXRange;
};

class ConsensusRenderData {
public:
    bool isValid() const;

    U2Region region;
    U2Region selectedRegion;
    QByteArray data;
    QBitArray mismatches;
    QList<int> percentage;
};

class ConsensusCharRenderData {
public:
    ConsensusCharRenderData();

    QRect getCharRect() const;

    U2Region xRange;
    U2Region yRange;
    int column;
    char consensusChar;
    bool isMismatch;
    bool isSelected;
};

class MaConsensusAreaRenderer : public QObject {
    Q_OBJECT
public:
    MaConsensusAreaRenderer(MaEditorConsensusArea* area);

    void drawContent(QPainter& painter);
    void drawContent(QPainter& painter,
                     const ConsensusRenderData& consensusRenderData,
                     const MaEditorConsensusAreaSettings& consensusSettings,
                     const ConsensusRenderSettings& renderSettings);

    ConsensusRenderData getConsensusRenderData(const QList<int>& seqIdx, const U2Region& region) const;
    ConsensusRenderSettings getRenderSettigns(const U2Region& region, const MaEditorConsensusAreaSettings& consensusSettings) const;

    int getHeight() const;
    int getHeight(const MaEditorConsElements& visibleElements) const;
    U2Region getYRange(const MaEditorConsElements& visibleElements, MaEditorConsElement element) const;
    U2Region getYRange(MaEditorConsElement element) const;

protected:
    static void drawConsensus(QPainter& painter, const ConsensusRenderData& consensusRenderData, const ConsensusRenderSettings& settings);
    static void drawConsensusChar(QPainter& painter, const ConsensusCharRenderData& charData, const ConsensusRenderSettings& settings);
    virtual void drawRuler(QPainter& painter, const ConsensusRenderSettings& settings);
    static void drawHistogram(QPainter& painter, const ConsensusRenderData& consensusRenderData, const ConsensusRenderSettings& settings);

    ConsensusRenderData getScreenDataToRender() const;
    ConsensusRenderSettings getScreenRenderSettings(const MaEditorConsensusAreaSettings& consensusSettings) const;

    int getYRangeLength(MaEditorConsElement element) const;

    MaEditor* editor;
    MaEditorWgt* ui;
    MaEditorConsensusArea* area;

    static const QColor DEFAULT_MISMATCH_COLOR;
};

}  // namespace U2
