/*
 * Detector.cpp
 *
 *  Created on: Apr 5, 2018
 *      Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert, Rafael Vinci, Dr. Franca Rupprecht
 */

#include "Detector.h"

#include <iostream>
#include <math.h>

#include "../utilities/config.h"

namespace Input
{

Detector::Detector(InputGPIOInterface* input_gpio_interface, std::map<char, Event> events, EventNotifier* event_notifier) :
  input_gpio_interface(input_gpio_interface), events(events), is_running(true), event_notifier(event_notifier)
{
  detect_thread = std::thread(&Detector::detect, this);
}

Detector::~Detector()
{
  is_running = false;

  detect_thread.join();
  delete this->input_gpio_interface;
  this->input_gpio_interface = NULL;
  delete this->event_notifier;
  this->event_notifier = NULL;
}

// Cycles over all s and enqueues an  event if detected.
void Detector::detect()
{
  while(is_running)
  {
    char address;
    if(check_inputs(address))
    {
      try
      {
        Event& event = events.at(address);
        event_notifier->distribute_event(event);
      }
      catch(std::out_of_range& e)
      {
        CLOG(WARNING, INPUT_LOGGER) << "Did not found event for address: " << address << " check config-file";
      }
    }
  }
}

bool Detector::check_inputs(char& address)
{
  for(int pin = 0; pin < MATRIX_SIZE * MATRIX_SIZE; pin++)
  {
    if(input_gpio_interface->read_input_data(pin))
    {
     address = pin;
     return true;
    }
  }
  return false;

}

}