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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2018, Google Inc.
 *
 * camera.h - Camera object interface
 */
#ifndef __LIBCAMERA_CAMERA_H__
#define __LIBCAMERA_CAMERA_H__

#include <memory>
#include <set>
#include <stdint.h>
#include <string>

#include <libcamera/controls.h>
#include <libcamera/object.h>
#include <libcamera/request.h>
#include <libcamera/signal.h>
#include <libcamera/stream.h>

namespace libcamera {

class FrameBuffer;
class FrameBufferAllocator;
class PipelineHandler;
class Request;

class CameraConfiguration
{
public:
	enum Status {
		Valid,
		Adjusted,
		Invalid,
	};

	using iterator = std::vector<StreamConfiguration>::iterator;
	using const_iterator = std::vector<StreamConfiguration>::const_iterator;

	virtual ~CameraConfiguration();

	void addConfiguration(const StreamConfiguration &cfg);
	virtual Status validate() = 0;

	StreamConfiguration &at(unsigned int index);
	const StreamConfiguration &at(unsigned int index) const;
	StreamConfiguration &operator[](unsigned int index)
	{
		return at(index);
	}
	const StreamConfiguration &operator[](unsigned int index) const
	{
		return at(index);
	}

	iterator begin();
	const_iterator begin() const;
	iterator end();
	const_iterator end() const;

	bool empty() const;
	std::size_t size() const;

protected:
	CameraConfiguration();

	std::vector<StreamConfiguration> config_;
};