/*
 * Copyright (C) 2015-2018 Jolla Ltd.
 * Copyright (C) 2015-2018 Slava Monich <slava.monich@jolla.com>
 *
 * You may use this file under the terms of the BSD license as follows:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of Jolla Ltd nor the names of its contributors
 *     may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef BOOKS_SETTINGS_H
#define BOOKS_SETTINGS_H

#include "BooksTypes.h"
#include "ZLTextStyle.h"
#include <QObject>
#include <QColor>
#include <QSharedPointer>

class BooksSettings : public QObject
{
    Q_OBJECT
    Q_ENUMS(FontSize)
    Q_ENUMS(Orientation)
    Q_ENUMS(Action)
    Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize NOTIFY fontSizeChanged)
    Q_PROPERTY(int pageDetails READ pageDetails WRITE setPageDetails NOTIFY pageDetailsChanged)
    Q_PROPERTY(bool invertColors READ invertColors WRITE setInvertColors NOTIFY invertColorsChanged)
    Q_PROPERTY(bool keepDisplayOn READ keepDisplayOn WRITE setKeepDisplayOn NOTIFY keepDisplayOnChanged)
    Q_PROPERTY(int volumeUpAction READ volumeUpAction WRITE setVolumeUpAction NOTIFY volumeUpActionChanged)
    Q_PROPERTY(int volumeDownAction READ volumeDownAction WRITE setVolumeDownAction NOTIFY volumeDownActionChanged)
    Q_PROPERTY(QObject* currentBook READ currentBook WRITE setCurrentBook NOTIFY currentBookChanged)
    Q_PROPERTY(QString currentFolder READ currentFolder WRITE setCurrentFolder NOTIFY currentFolderChanged)
    Q_PROPERTY(QString currentStorage READ currentStorage NOTIFY currentStorageChanged)
    Q_PROPERTY(QString relativePath READ relativePath NOTIFY relativePathChanged)
    Q_PROPERTY(QString removableRoot READ removableRoot NOTIFY removableRootChanged)
    Q_PROPERTY(QColor primaryPageToolColor READ primaryPageToolColor CONSTANT)
    Q_PROPERTY(QColor highlightPageToolColor READ highlightPageToolColor NOTIFY invertColorsChanged)
    Q_PROPERTY(QColor invertedPageBackgroundColor READ highlightPageToolColor NOTIFY invertColorsChanged)
    Q_PROPERTY(QColor pageBackgroundColor READ pageBackgroundColor NOTIFY pageBackgroundColorChanged)
    Q_PROPERTY(int orientation READ orientation NOTIFY orientationChanged)
    class TextStyle;

public:
    enum FontSize {
        MinFontSize = -5,
        DefaultFontSize = 0,
        MaxFontSize = 15,
        FontSizeSteps = MaxFontSize - MinFontSize
    };

    enum Orientation {
        OrientationAny,
        OrientationPortrait,
        OrientationLandscape
    };

    enum Action {
        ActionNone,
        ActionPreviousPage,
        ActionNextPage
    };

    // Use sharedInstance() to instantiate this class
    explicit BooksSettings(QObject* aParent = Q_NULLPTR);
    static QSharedPointer<BooksSettings> sharedInstance();

    Q_INVOKABLE bool increaseFontSize();
    Q_INVOKABLE bool decreaseFontSize();

    int fontSize() const;
    void setFontSize(int aValue);

    int pageDetails() const;
    void setPageDetails(int aValue);

    shared_ptr<ZLTextStyle> textStyle(int aFontSizeAdjust) const;

    bool invertColors() const;
    void setInvertColors(bool aValue);

    bool keepDisplayOn() const;
    void setKeepDisplayOn(bool aValue);

    Action volumeUpAction() const;
    void setVolumeUpAction(int aValue);

    Action volumeDownAction() const;
    void setVolumeDownAction(int aValue);

    QObject* currentBook() const;
    void setCurrentBook(QObject* aBook);

    QString relativePath() const;
    QString removableRoot() const;
    QString currentFolder() const;
    void setCurrentFolder(QString aValue);

    QString currentStorage() const;
    QColor primaryPageToolColor() const;
    QColor highlightPageToolColor() const;
    QColor pageBackgroundColor() const;

    Orientation orientation() const;

Q_SIGNALS:
    void fontSizeChanged();
    void textStyleChanged();
    void pageDetailsChanged();
    void invertColorsChanged();
    void keepDisplayOnChanged();
    void volumeUpActionChanged();
    void volumeDownActionChanged();
    void currentBookChanged();
    void currentFolderChanged();
    void currentStorageChanged();
    void relativePathChanged();
    void removableRootChanged();
    void pageBackgroundColorChanged();
    void orientationChanged();

private:
    class Private;
    Private* iPrivate;
};

#endif // BOOKS_SETTINGS_H