/*
 * Olive Community Edition - Non-Linear Video Editor
 * Copyright (C) 2025 Olive CE 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 H264SECTION_H
#define H264SECTION_H

#include <QSlider>
#include <QStackedWidget>
#include <QComboBox>

#include "codecsection.h"
#include "widget/slider/floatslider.h"

namespace olive
{

class H264CRFSection : public QWidget {
	Q_OBJECT
public:
	H264CRFSection(int default_crf, QWidget *parent = nullptr);

	int GetValue() const;
	void SetValue(int c);

	static const int kDefaultH264CRF = 18;
	static const int kDefaultH265CRF = 23;

private:
	static const int kMinimumCRF = 0;
	static const int kMaximumCRF = 51;

	QSlider *crf_slider_;
};

class H264BitRateSection : public QWidget {
	Q_OBJECT
public:
	H264BitRateSection(QWidget *parent = nullptr);

	/**
   * @brief Get user-selected target bit rate (returns in BITS)
   */
	int64_t GetTargetBitRate() const;
	void SetTargetBitRate(int64_t b);

	/**
   * @brief Get user-selected maximum bit rate (returns in BITS)
   */
	int64_t GetMaximumBitRate() const;
	void SetMaximumBitRate(int64_t b);

private:
	FloatSlider *target_rate_;

	FloatSlider *max_rate_;
};

class H264FileSizeSection : public QWidget {
	Q_OBJECT
public:
	H264FileSizeSection(QWidget *parent = nullptr);

	/**
   * @brief Returns file size in BITS
   */
	int64_t GetFileSize() const;
	void SetFileSize(int64_t f);

private:
	FloatSlider *file_size_;
};

class H264Section : public CodecSection {
	Q_OBJECT
public:
	enum CompressionMethod {
		kConstantRateFactor,
		kTargetBitRate,
		kTargetFileSize
	};

	H264Section(QWidget *parent = nullptr);
	H264Section(int default_crf, QWidget *parent);

	virtual void AddOpts(EncodingParams *params) override;

	virtual void SetOpts(const EncodingParams *p) override;

private:
	QStackedWidget *compression_method_stack_;

	H264CRFSection *crf_section_;

	H264BitRateSection *bitrate_section_;

	H264FileSizeSection *filesize_section_;

	QComboBox *preset_combobox_;
};

class H265Section : public H264Section {
	Q_OBJECT
public:
	H265Section(QWidget *parent = nullptr);
};

}

#endif // H264SECTION_H