/******************


1) Fußgänger Ampel / Pedestrian Light     rot/grün/aus
2) Fahrzeugampel / traffic Light          rot/gelb/grün/aus
3) Anforderungstaste / button   debouncing
******************/
#define OFF 0
#define RED 1
#define YELLOW 2
#define GREEN 3

#define TRAFFICRED_PIN 10
#define TRAFFICYELLOW_PIN 9
#define TRAFFICGREEN_PIN 8

#define BUTTON_PIN 7

#define PEDESTRIANRED_PIN 6
#define PEDESTRIANGREEN_PIN 5

int switchstate;
int colour;
int colour2;
int colour3;
unsigned long currentmillis;
unsigned long previousmillis;
int interval = 10;



void setup() {
  pinMode(TRAFFICRED_PIN, OUTPUT);
  pinMode(TRAFFICYELLOW_PIN, OUTPUT);
  pinMode(TRAFFICGREEN_PIN, OUTPUT);

  pinMode(PEDESTRIANRED_PIN, OUTPUT);
  pinMode(PEDESTRIANGREEN_PIN, OUTPUT);

  pinMode(BUTTON_PIN, INPUT_PULLUP);

}

//Geschaut ob der Button gedrückt wurde (wird alle 10sek in der loop aufgerufen)
void getButton(){
  int switchstate = digitalRead(BUTTON_PIN);
}

//Hier wird debouncing gemacht und 
void serveButton(){
  getButton();
  if(switchstate == LOW){
    currentmillis = millis();
    if(currentmillis - previousmillis >= interval){
      previousmillis = currentmillis;
    }
  }
}
void setPedasstrianLight(int colour){

  digitalWrite(PEDESTRIANRED_PIN, LOW);
  digitalWrite(PEDESTRIANGREEN_PIN, LOW);

  switch (colour){
    case GREEN:
      digitalWrite(PEDESTRIANGREEN_PIN, HIGH);
    break;
    case RED:
      digitalWrite(PEDESTRIANRED_PIN, HIGH);
    break;

    //Falls nix von den Case passt, macht er die default
    default:
    digitalWrite(PEDESTRIANRED_PIN, LOW);
    digitalWrite(PEDESTRIANGREEN_PIN, LOW);
    break;

  }

}

void ctrPedestrainlight(){


}

void setTrafficLight(int colour, int colour2, int colour3){

  digitalWrite(TRAFFICRED_PIN, LOW);
  digitalWrite(TRAFFICYELLOW_PIN, LOW);
  digitalWrite(TRAFFICGREEN_PIN, LOW);
  
  

  switch (colour){
    case RED:
    digitalWrite(TRAFFICRED_PIN,HIGH);
    break;

    case YELLOW:
    digitalWrite(TRAFFICYELLOW_PIN,HIGH);
    break;

    case GREEN:
    digitalWrite(TRAFFICGREEN_PIN,HIGH);
    break;

    default:
    digitalWrite(TRAFFICRED_PIN, LOW);
    digitalWrite(TRAFFICYELLOW_PIN, LOW);
    digitalWrite(TRAFFICGREEN_PIN, LOW);
    break;

  }
}

void loop() {
  setTrafficLight(YELLOW,GREEN,RED);

}