/*
 * OutputGPIOInterface.h
 *
 *  Created on: May 31, 2018
 *      Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert
 */

#ifndef SRC_UTILITIES_OUTPUTGPIOINTERFACE_H_
#define SRC_UTILITIES_OUTPUTGPIOINTERFACE_H_

#include "IOutputGPIOInterface.h"
#include "GPIOInterface.h"

#include "output/items/IItem.h"

#include "json/json.hpp"

#include <mcp23017.h>
#include <mutex>
#include <map>

namespace flippR_driver
{
namespace output
{

class OutputGPIOInterface : public GPIOInterface, public IOutputGPIOInterface
{

public:
  OutputGPIOInterface(std::map<std::string, uint8_t> pins_driver_board, std::map<std::string, uint8_t> pins_sound, std::map<std::string, uint8_t> pins_display);

  ~OutputGPIOInterface() override = default;

  void activate(items::IItem *driver_board_item) override;
  void activate(items::ISoundItem *sound) override;

  void deactivate(items::IItem *driver_board_item) override;
  void deactivate(items::ISoundItem *sound) override;

  void write_display(std::shared_ptr<output::items::IDisplay> display) override;

private:
  void initialize_i2c_addresses();

  void initialize_pins();
  void initialize_all_pins(uint8_t pin_base);

  void write_driver_board_address(uint8_t address);
  void select_mux(uint8_t latch);
  void select_latch(uint8_t latch);
  void select_pin(uint8_t pin);
  void write_data(bool data);

  void write_sound_address(uint8_t address);
  void fire_sound(bool fire);

private:
  std::mutex output_item_mutex;

  const std::map<std::string, uint8_t> pins_driver_board;
  const std::map<std::string, uint8_t> pins_sound;
  const std::map<std::string, uint8_t> pins_display;
};

}
}

#endif