/***

    Olive - Non-Linear Video Editor
    Copyright (C) 2019  Olive Team

    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 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 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 EFFECTFIELD_H
#define EFFECTFIELD_H

enum EffectFieldType {
    EFFECT_FIELD_DOUBLE,
    EFFECT_FIELD_COLOR,
    EFFECT_FIELD_STRING,
    EFFECT_FIELD_BOOL,
    EFFECT_FIELD_COMBO,
    EFFECT_FIELD_FONT,
    EFFECT_FIELD_FILE
};

#include <QObject>
#include <QVariant>
#include <QVector>

#include "keyframe.h"

class EffectRow;
class ComboAction;

class EffectField : public QObject {
	Q_OBJECT
public:
	EffectField(EffectRow* parent, int t, const QString& i);
	~EffectField();

	EffectRow* parent_row;
	int type;
	QString id;

	double get_validated_keyframe_handle(int key, bool post);

	QVariant get_previous_data();
	QVariant get_current_data();
	double frameToTimecode(long frame);
	long timecodeToFrame(double timecode);
	void set_current_data(const QVariant&);
	void get_keyframe_data(double timecode, int& before, int& after, double& d);
	QVariant validate_keyframe_data(double timecode, bool async = false);

	double get_double_value(double timecode, bool async = false);
	void set_double_value(double v);
	void set_double_default_value(double v);
	void set_double_minimum_value(double v);
	void set_double_maximum_value(double v);

	QString get_string_value(double timecode, bool async = false);
	void set_string_value(const QString &s);

	void add_combo_item(const QString& name, const QVariant &data);
	int get_combo_index(double timecode, bool async = false);
	QVariant get_combo_data(double timecode);
	QString get_combo_string(double timecode);
	void set_combo_index(int index);
	void set_combo_string(const QString& s);

	bool get_bool_value(double timecode, bool async = false);
	void set_bool_value(bool b);

	QString get_font_name(double timecode, bool async = false);
	void set_font_name(const QString& s);

	QColor get_color_value(double timecode, bool async = false);
	void set_color_value(QColor color);

	QString get_filename(double timecode, bool async = false);
	void set_filename(const QString& s);

	QWidget* get_ui_element();
	bool is_enabled();
	void set_enabled(bool e);
	QVector<EffectKeyframe> keyframes;
	QWidget* ui_element;

	void make_key_from_change(ComboAction* ca);
public slots:
	void ui_element_change();
private:
	bool hasKeyframes();
signals:
	void changed();
	void toggled(bool);
	void clicked();
};

#endif // EFFECTFIELD_H