/**
 * \file pros/optical.hpp
 * \ingroup cpp-optical
 *
 * Contains prototypes for functions related to the VEX Optical sensor.
 *
 * This file should not be modified by users, since it gets replaced whenever
 * a kernel upgrade occurs.
 *
 * \copyright (c) 2017-2023, Purdue University ACM SIGBots.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 * 
 * \defgroup cpp-optical VEX Optical Sensor C++ API
 */

#ifndef _PROS_OPTICAL_HPP_
#define _PROS_OPTICAL_HPP_

#include <stdbool.h>

#include <cstdint>
#include <iostream>

#include "pros/optical.h"
#include "pros/device.hpp"

namespace pros {
inline namespace v5 {
/**
 * \ingroup cpp-optical
 */
class Optical : public Device {
	/**
	 * \addtogroup cpp-optical
	 *  @{
	 */
	public:
	/**
	 * Creates an Optical Sensor object for the given port.
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \param port
	 *        The V5 port number from 1-21
	 * 
	 * \b Example: 
	 * \code{.cpp}
	 * pros::Optical optical(1);
	 * \endcode
	 */
	explicit Optical(const std::uint8_t port);

	/**
	 * Get the detected color hue
	 *
	 * This is not available if gestures are being detected. Hue has a
	 * range of 0 to 359.999
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return hue value if the operation was successful or PROS_ERR_F if the operation
	 * failed, setting errno.
	 *
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 * 		std::cout << "Hue: " << optical.get_hue() << std::endl;
	 * }
	 * \endcode
	 */
	virtual double get_hue();

	/**
	 * Get the detected color saturation
	 *
	 * This is not available if gestures are being detected. Saturation has a
	 * range of 0 to 1.0
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return saturation value if the operation was successful or PROS_ERR_F if
	 * the operation failed, setting errno.
	 * 
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 * 		std::cout << "Saturation: " << optical.get_saturation() << std::endl;
	 * }
	 * \endcode
	 */
	virtual double get_saturation();

	/**
	 * Get the detected color brightness
	 *
	 * This is not available if gestures are being detected. Brightness has a
	 * range of 0 to 1.0
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return brightness value if the operation was successful or PROS_ERR_F if
	 * the operation failed, setting errno.
	 *
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 * 		std::cout << "Brightness: " << optical.get_brightness() << std::endl;
	 * }
	 */
	virtual double get_brightness();

	/**
	 * Get the detected proximity value
	 *
	 * This is not available if gestures are being detected. proximity has
	 * a range of 0 to 255.
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return Proximity value if the operation was successful or PROS_ERR if
	 * the operation failed, setting errno.
	 *
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 * 		std::cout << "Proximity: " << optical.get_proximity() << std::endl;
	 * }
	 * \endcode
	 */
	virtual std::int32_t get_proximity();

	/**
	 * Set the pwm value of the White LED on the sensor
	 *
	 * value that ranges from 0 to 100
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return The Error code encountered or PROS_SUCCESS. 
	 * 
	 * \b Example:
	 * \code{.cpp}
	 * void initialize() {
	 * 		pros::Optical optical(1);
	 * 		optical.set_led_pwm(100);
	 * }
	 * \endcode
	 */
	virtual std::int32_t set_led_pwm(uint8_t value);

	/**
	 * Get the pwm value of the White LED on the sensor
	 *
	 * value that ranges from 0 to 100
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return LED pwm value if the operation was successful or PROS_ERR if
	 * the operation failed, setting errno.
	 *
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 *		optical.set_led_pwm(100);
	 * 		std::cout << "LED PWM: " << optical.get_led_pwm() << std::endl;
	 * }
	 * \endcode
	 */
	virtual std::int32_t get_led_pwm();

	/**
	 * Get the processed RGBC data from the sensor
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return rgb value if the operation was successful or an optical_rgb_s_t 
	 * with all fields set to PROS_ERR if the operation failed, setting errno.
	 * 
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 * 		pros::c::optical_rgb_s_t rgb = optical.get_rgb();
	 * 		while(1) {
	 * 			std::cout << "Red: " << rgb.red << std::endl;
	 * 			std::cout << "Green: " << rgb.green << std::endl;
	 * 			std::cout << "Blue: " << rgb.blue << std::endl;
	 * 			std::cout << "Brightness: " << rgb.brightness << std::endl;
	 * 			pros::delay(20);
	 * 		}
	 * }
	 * \endcode
	 */
	virtual pros::c::optical_rgb_s_t get_rgb();

	/**
	 * Get the raw un-processed RGBC data from the sensor
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return raw rgb value if the operation was successful or an optical_raw_s_t 
	 * with all fields set to PROS_ERR if the operation failed, setting errno.
	 */
	virtual pros::c::optical_raw_s_t get_raw();

	/**
	 * Get the most recent gesture data from the sensor
	 *
	 * Gestures will be cleared after 500mS
	 * 0 = no gesture
	 * 1 = up (towards cable)
	 * 2 = down
	 * 3 = right
	 * 4 = left
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return gesture value if the operation was successful or PROS_ERR if
	 * the operation failed, setting errno.
	 *
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 * 		while(1) {
	 * 			std::cout << "Gesture: " << optical.get_gesture() << std::endl;
	 * 			pros::delay(20);
	 * 		}
	 * }
	 * \endcode
	 */
	virtual pros::c::optical_direction_e_t get_gesture();

	/**
	 * Get the most recent raw gesture data from the sensor
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return gesture value if the operation was successful or an optical_gesture_s_t 
	 * with all fields set to PROS_ERR if the operation failed, setting errno.
	 *
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 *		optical.enable_gesture();
	 * 		while(1) {
	 * 			pros::c::optical_gesture_s_t gesture = optical.get_gesture_raw();
	 * 			std::cout << "Gesture raw data: " << std::endl;
	 * 			std::cout << "Up data: " << gesture.udata << std::endl;
	 * 			std::cout << "Down data: " << gesture.ddata << std::endl;
	 * 			std::cout << "Left data: " << gesture.ldata << std::endl;
	 * 			std::cout << "Right data: " << gesture.rdata << std::endl;
	 * 			std::cout << "Type: " << gesture.type << std::endl;
	 * 			std::cout << "Count: " << gesture.count << std::endl;
	 * 			std::cout << "Time: " << gesture.time << std::endl;
	 * 			pros::delay(20);
	 * 		}
	 * }
	 * \endcode
	 */
	virtual pros::c::optical_gesture_s_t get_gesture_raw();

	/**
	 * Enable gesture detection on the sensor
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return 1 if the operation is successful or PROS_ERR if the operation failed,
 	 * setting errno.
	 * 
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 *		optical.enable_gesture();
	 * 		while(1) {
	 * 			pros::c::optical_gesture_s_t gesture = optical.get_gesture_raw();
	 * 			std::cout << "Gesture raw data: " << std::endl;
	 * 			std::cout << "Up data: " << gesture.udata << std::endl;
	 * 			std::cout << "Down data: " << gesture.ddata << std::endl;
	 * 			std::cout << "Left data: " << gesture.ldata << std::endl;
	 * 			std::cout << "Right data: " << gesture.rdata << std::endl;
	 * 			std::cout << "Type: " << gesture.type << std::endl;
	 * 			std::cout << "Count: " << gesture.count << std::endl;
	 * 			std::cout << "Time: " << gesture.time << std::endl;
	 * 			pros::delay(20);
	 * 		}
	 * }
	 */
	virtual std::int32_t enable_gesture();

	/**
	 * Disable gesture detection on the sensor
	 *
	 * This function uses the following values of errno when an error state is
	 * reached:
	 * ENXIO - The given value is not within the range of V5 ports (1-21).
	 * ENODEV - The port cannot be configured as an Optical Sensor
	 *
	 * \return 1 if the operation is successful or PROS_ERR if the operation failed,
 	 * setting errno.
	 *
	 * \b Example:
	 * \code{.cpp}
	 * void opcontrol() {
	 * 		pros::Optical optical(1);
	 *		optical.enable_gesture();
	 * 		while(1) {
	 * 			if(optical.get_gesture() != 0) {
	 * 				std::cout << "Gesture detected!"<< std::endl;
	 * 				optical.disable_gesture();
	 * 			}
	 * 			pros::delay(20);
	 * 		}
	 * }
	 * \endcode
	 */
	virtual std::int32_t disable_gesture();


	/**
     * This is the overload for the << operator for printing to streams
     *
     * Prints in format(this below is all in one line with no new line):
	 * Optical [port: (port number), hue: (hue), saturation: (saturation), 
	 * brightness: (brightness), proximity: (proximity), rgb: {red, green, blue}]
	 *
	 * \b Example:
	 * \code{.cpp}
	 * pros::Optical optical(1);
	 * std::cout << optical << std::endl;
	 * \endcode
	 */
	friend std::ostream& operator<<(std::ostream& os, pros::Optical& optical);
  
	private:
	///@}
};

namespace literals {
const pros::Optical operator"" _opt(const unsigned long long int o);
}  // namespace literals
}
}  // namespace pros

#endif