#pragma once
#include <string>

class Gpio
{
public:
	enum GpioLevel
	{
		Low,
		High
	};

	Gpio(int port);
	~Gpio();
	int getPort();
	void setValue(GpioLevel level);
	GpioLevel getValue();
	std::string getDirection();
	void setDirection(std::string direction);
	void setActive(GpioLevel level);
	GpioLevel getActive();
	void setEdge(std::string edge);
	std::string getEdge();

	std::string getValuePath()
	{
		return path_value;
	}

	static const std::string falling;
	static const std::string rising;
	static const std::string both;
	static const std::string none;

	static const std::string in;
	static const std::string out;

private:
	int port;
	const std::string path_gpiobase = "/sys/class/gpio";
	std::string path_value = "value";
	std::string path_edge = "edge";
	std::string path_direction = "direction";
	std::string path_active_low = "active_low";
	int gpio_fd;
};

class GpioOut : public Gpio
{
public:
	GpioOut(int port);
};