/***

  Olive - Non-Linear Video Editor
  Copyright (C) 2022 Olive Team
  Modifications Copyright (C) 2025 mikesolar

  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 OAK_PANEL_WIDGET_H
#define OAK_PANEL_WIDGET_H

#include "KDDockWidgets/src/core/Window_p.h"
#include "KDDockWidgets/src/qtwidgets/views/TabBar.h"

#include <kddockwidgets/DockWidget.h>
#include <QEvent>

#include "oakutil/define.h"

#include <QTabWidget>

namespace olive
{

/**
 * @brief A widget that is always dockable within the MainWindow.
 */
class PanelWidget : public KDDockWidgets::QtWidgets::DockWidget {
	Q_OBJECT
public:
	/**
   * @brief PanelWidget Constructor
   *
   * @param parent
   *
   * The PanelWidget's parent, enforced to help with memory handling. Most of the time this will be an instance of
   * MainWindow.
   */
	PanelWidget(const QString &object_name);

	virtual ~PanelWidget() override;

	/**
   * @brief Set visibility of panel's highlighted border, mostly used for showing panel focus
   *
   * @param enabled
   */
	void set_border_visible(bool enabled);

	/**
   * @brief If enabled, sends signal CloseRequested() when the user closes instead of closing
   *
   * Defaults to FALSE. Use this to override default panel closing functionality.
   */
	void set_signal_instead_of_close(bool e);

	using Info = std::map<QString, QString>;

	virtual void load_data(const Info &info)
	{
	}
	virtual Info save_data() const
	{
		return Info();
	}

	/**
   * @brief Called whenever this panel is focused and user uses "Zoom In" (either in menus or as a keyboard shortcut)
   *
   * This function is up to the Panel's interpretation of what the user intends to zoom into. Default behavior is a
   * no-op.
   */
	virtual void zoom_in()
	{
	}

	/**
   * @brief Called whenever this panel is focused and user uses "Zoom Out" (either in menus or as a keyboard shortcut)
   *
   * This function is up to the Panel's interpretation of what the user intends to zoom out of. Default behavior is a
   * no-op.
   */
	virtual void zoom_out()
	{
	}

	virtual void go_to_start()
	{
	}

	virtual void prev_frame()
	{
	}

	/**
   * @brief Called whenever this panel is focused and user uses "Play/Pause" (either in menus or as a keyboard shortcut)
   *
   * This function is up to the Panel's interpretation of what the user intends to zoom out of. Default behavior is a
   * no-op.
   */
	virtual void play_pause()
	{
	}

	virtual void play_in_to_out()
	{
	}

	virtual void next_frame()
	{
	}

	virtual void go_to_end()
	{
	}

	virtual void select_all()
	{
	}

	virtual void deselect_all()
	{
	}

	virtual void ripple_to_in()
	{
	}

	virtual void ripple_to_out()
	{
	}

	virtual void edit_to_in()
	{
	}

	virtual void edit_to_out()
	{
	}

	virtual void shuttle_left()
	{
	}

	virtual void shuttle_stop()
	{
	}

	virtual void shuttle_right()
	{
	}

	virtual void go_to_prev_cut()
	{
	}

	virtual void go_to_next_cut()
	{
	}

	virtual void rename_selected()
	{
	}

	virtual void delete_selected()
	{
	}

	virtual void ripple_delete()
	{
	}

	virtual void increase_track_height()
	{
	}

	virtual void decrease_track_height()
	{
	}

	virtual void set_in()
	{
	}

	virtual void set_out()
	{
	}

	virtual void reset_in()
	{
	}

	virtual void reset_out()
	{
	}

	virtual void clear_in_out()
	{
	}

	virtual void set_marker()
	{
	}

	virtual void toggle_links()
	{
	}

	virtual void cut_selected()
	{
	}

	virtual void copy_selected()
	{
	}

	virtual void paste()
	{
	}

	virtual void paste_insert()
	{
	}

	virtual void toggle_show_all()
	{
	}

	virtual void go_to_in()
	{
	}

	virtual void go_to_out()
	{
	}

	virtual void delete_in_to_out()
	{
	}

	virtual void ripple_delete_in_to_out()
	{
	}

	virtual void toggle_selected_enabled()
	{
	}

	virtual void duplicate()
	{
	}

	virtual void set_color_label(int)
	{
	}

	virtual void nudge_left()
	{
	}

	virtual void nudge_right()
	{
	}

	virtual void move_in_to_playhead()
	{
	}

	virtual void move_out_to_playhead()
	{
	}

signals:
	void close_requested();
	void shown(Qt::FocusReason reason);
	void hidden();

protected:
	/**
   * @brief paintEvent
   * @param event
   */
	void paintEvent(QPaintEvent *event) override;

	virtual void changeEvent(QEvent *e) override;

	virtual void closeEvent(QCloseEvent *event) override;

	virtual void retranslate();

	void set_widget_with_padding(QWidget *widget);

protected slots:
	/**
   * @brief Set panel's title
   *
   * Use this function to set the title of the panel.
   *
   * A PanelWidget has the default format of "Title: Subtitle" (can differ depending on translation). If no Subtitle
   * is set, the title will just be formatted "Title".
   *
   * @param t
   *
   * String to set the title to
   */
	void set_title(const QString &t);

	/**
   * @brief Set panel's subtitle
   *
   * Use this function to set the subtitle of the panel.
   *
   * A PanelWidget has the default format of "Title: Subtitle" (can differ depending on translation). If no Subtitle
   * is set, the title will just be formatted "Title".
   *
   * @param t
   *
   * String to set the subtitle to
   */
	void set_subtitle(const QString &t);
protected slots:
private:
	/**
   * @brief Internal function that sets the QDockWidget's window title whenever the title/subtitle change.
   *
   * Should be called any time a change is made to title_ or subtitle_
   */
	void update_title();

	QString title_;

	QString subtitle_;

	bool border_visible_;

	bool signal_instead_of_close_;

	QMetaObject::Connection m_tabBarConnection_;
	QMetaObject::Connection m_windowConnection_;
	bool m_lastVisibleState_ = false;
};

}

#endif // OAK_PANEL_WIDGET_H