///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020-2023 Jon Beniston, M7RCE <jon@beniston.com>                //
// Copyright (C) 2020, 2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com>         //
//                                                                               //
// 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 as version 3 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 V3 for more details.                               //
//                                                                               //
// You should have received a copy of the GNU General Public License             //
// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
///////////////////////////////////////////////////////////////////////////////////

#ifndef INCLUDE_AISDEMODGUI_H
#define INCLUDE_AISDEMODGUI_H

#include <QTableWidgetItem>
#include <QPushButton>
#include <QToolButton>
#include <QHBoxLayout>
#include <QMenu>
#include <QPainter>
#include <QHash>

#include "channel/channelgui.h"
#include "dsp/channelmarker.h"
#include "util/messagequeue.h"
#include "settings/rollupstate.h"

#include "aisdemodsettings.h"
#include "aisdemod.h"

class PluginAPI;
class DeviceUISet;
class BasebandSampleSink;
class ScopeVis;
class AISDemod;
class AISDemodGUI;

namespace Ui {
    class AISDemodGUI;
}
class AISDemodGUI;
class AISMessage;

class AISDemodGUI : public ChannelGUI {
    Q_OBJECT

public:
    static AISDemodGUI* create(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel);
    virtual void destroy();

    void resetToDefaults();
    QByteArray serialize() const;
    bool deserialize(const QByteArray& data);
    virtual MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
    virtual void setWorkspaceIndex(int index) { m_settings.m_workspaceIndex = index; };
    virtual int getWorkspaceIndex() const { return m_settings.m_workspaceIndex; };
    virtual void setGeometryBytes(const QByteArray& blob) { m_settings.m_geometryBytes = blob; };
    virtual QByteArray getGeometryBytes() const { return m_settings.m_geometryBytes; };
    virtual QString getTitle() const { return m_settings.m_title; };
    virtual QColor getTitleColor() const  { return m_settings.m_rgbColor; };
    virtual void zetHidden(bool hidden) { m_settings.m_hidden = hidden; }
    virtual bool getHidden() const { return m_settings.m_hidden; }
    virtual ChannelMarker& getChannelMarker() { return m_channelMarker; }
    virtual int getStreamIndex() const { return m_settings.m_streamIndex; }
    virtual void setStreamIndex(int streamIndex) { m_settings.m_streamIndex = streamIndex; }

public slots:
    void channelMarkerChangedByCursor();
    void channelMarkerHighlightedByCursor();

private:
    Ui::AISDemodGUI* ui;
    PluginAPI* m_pluginAPI;
    DeviceUISet* m_deviceUISet;
    ChannelMarker m_channelMarker;
    RollupState m_rollupState;
    AISDemodSettings m_settings;
    qint64 m_deviceCenterFrequency;
    int m_basebandSampleRate;
    bool m_doApplySettings;
    ScopeVis* m_scopeVis;

    AISDemod* m_aisDemod;
    uint32_t m_tickCount;
    MessageQueue m_inputMessageQueue;
    bool m_loadingData;

    QMenu *messagesMenu;                        // Column select context menu
    QMenu *copyMenu;

    QPixmap m_image;
    QPainter m_painter;
    QPen m_pen;
    QDateTime m_lastSlotMapUpdate;
    int m_slotsUsed;
    static QMutex m_colorMutex;
    static QHash<QString, bool> m_usedInFrame;        // Indicates if MMSI used in current frame
    static QHash<QString, QColor> m_slotMapColors;    // MMSI to color
    static QHash<QString, QString> m_category;        // MMSI to category
    static QList<QRgb> m_colors;
    static QDateTime m_lastColorUpdate;
    static const int m_slotMapWidth = 50;      // 2250 slots per minute
    static const int m_slotMapHeight = 45;

    explicit AISDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel, QWidget* parent = 0);
    virtual ~AISDemodGUI();

    void blockApplySettings(bool block);
    void applySettings(bool force = false);
    void displaySettings();
    void messageReceived(const QByteArray& message, const QDateTime& dateTime, int slot, int slots);
    bool handleMessage(const Message& message);
    void makeUIConnections();
    void updateAbsoluteCenterFrequency();
    void updateSlotMap();
    static void updateColors();
    static QColor getColor(const QString& mmsi);
    static void updateCategory(const QString& mmsi, const AISMessage *message);

    void leaveEvent(QEvent*);
    void enterEvent(EnterEventType*);

    void resizeTable();
    QAction *createCheckableItem(QString& text, int idx, bool checked, const char *slot);

    enum MessageCol {
        MESSAGE_COL_DATE,
        MESSAGE_COL_TIME,
        MESSAGE_COL_MMSI,
        MESSAGE_COL_COUNTRY,
        MESSAGE_COL_TYPE,
        MESSAGE_COL_ID,
        MESSAGE_COL_DATA,
        MESSAGE_COL_NMEA,
        MESSAGE_COL_HEX,
        MESSAGE_COL_SLOT
    };

private slots:
    void on_deltaFrequency_changed(qint64 value);
    void on_rfBW_valueChanged(int index);
    void on_fmDev_valueChanged(int value);
    void on_threshold_valueChanged(int value);
    void on_filterMMSI_editingFinished();
    void on_clearTable_clicked();
    void on_udpEnabled_clicked(bool checked);
    void on_udpAddress_editingFinished();
    void on_udpPort_editingFinished();
    void on_udpFormat_currentIndexChanged(int value);
    void on_messages_cellDoubleClicked(int row, int column);
    void on_logEnable_clicked(bool checked=false);
    void on_logFilename_clicked();
    void on_logOpen_clicked();
    void on_showSlotMap_clicked(bool checked=false);
    void on_useFileTime_toggled(bool checked=false);
    void filterRow(int row);
    void filter();
    void messages_sectionMoved(int logicalIndex, int oldVisualIndex, int newVisualIndex);
    void messages_sectionResized(int logicalIndex, int oldSize, int newSize);
    void messagesColumnSelectMenu(QPoint pos);
    void messagesColumnSelectMenuChecked(bool checked = false);
    void customContextMenuRequested(QPoint point);
    void onWidgetRolled(QWidget* widget, bool rollDown);
    void onMenuDialogCalled(const QPoint& p);
    void handleInputMessages();
    void tick();
};

#endif // INCLUDE_AISDEMODGUI_H