#define SegA 6
#define SegB 3
#define SegC 9
#define SegD 7
#define SegE 8
#define SegF 4
#define SegG 5
#define taster 2
#define dp 10
int zufall;
/*
    ___A___
    |     |
    F     B
   |      |
   --  G  --
    |     |
    E     C
    |     |
    ---D---
*/

static int PinLED[]={SegA,SegB,SegC,SegD,SegE,SegF,SegG};

void setup() {
  // put your setup code here, to run once:
  for(int i=0; i<=7; i++){
    pinMode(PinLED[i],OUTPUT);
  }
  pinMode(dp, OUTPUT);
  for(int i=0; i<=7; i++){
    digitalWrite(PinLED[i],HIGH);
  }
  digitalWrite(dp,HIGH);

  pinMode(taster,INPUT_PULLUP);

}

void loop() {
  // put your main code here, to run repeatedly:
  
  if(digitalRead(taster)==LOW){

    randomSeed(analogRead(A0));
    zufall = random(1,7); //Zufallszahl zwischen 1- 6
    digitalWrite(dp, LOW);
    delay(200);
    digitalWrite(dp, HIGH);
    delay(200);
    digitalWrite(dp, LOW);
    delay(200);
    digitalWrite(dp, HIGH);
    delay(200);
    digitalWrite(dp, LOW);
    delay(200);
    digitalWrite(dp, HIGH);
    delay(200);
    
    switch(zufall){
      case 1: One();
        break;
      case 2: Two();
        break;
      case 3: Three();
        break;
      case 4: Four();
        break;
      case 5: Five();
        break;
      case 6: Six();
        break;
    }
  }

}

  void One(){
    
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],HIGH);
    }

    //Einschalten der 1
    digitalWrite(SegC,LOW);
    digitalWrite(SegB,LOW);
  }


  void Two(){
    
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],HIGH);
    }

    //Einschalten der 2 ABGED
    digitalWrite(SegA,LOW);
    digitalWrite(SegB,LOW);
    digitalWrite(SegG,LOW);
    digitalWrite(SegE,LOW);
    digitalWrite(SegD,LOW);
  }

  void Three(){
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],HIGH);
    }

    //Einschalten der 3 ABCGD
    digitalWrite(SegA,LOW);
    digitalWrite(SegB,LOW);
    digitalWrite(SegC,LOW);
    digitalWrite(SegG,LOW);
    digitalWrite(SegD,LOW);
  }

  void Four(){
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],HIGH);
    }

    //Einschalten der 4 FGBC
    digitalWrite(SegF,LOW);
    digitalWrite(SegG,LOW);
    digitalWrite(SegB,LOW);
    digitalWrite(SegC,LOW);
  }

  void Five(){
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],HIGH);
    }

    //Einschalten der 5 AFGCD
    digitalWrite(SegA,LOW);
    digitalWrite(SegF,LOW);
    digitalWrite(SegG,LOW);
    digitalWrite(SegC,LOW);
    digitalWrite(SegD,LOW);
  }

  void Six(){
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],HIGH);
    }

    //Einschalten der 6
    digitalWrite(SegA,LOW);
    digitalWrite(SegF,LOW);
    digitalWrite(SegE,LOW);
    digitalWrite(SegD,LOW);
    digitalWrite(SegC,LOW);
    digitalWrite(SegG,LOW);
  }

  void Seven(){
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],HIGH);
    }

    //Einschalten der 7
    digitalWrite(SegA,LOW);
    digitalWrite(SegB,LOW);
    digitalWrite(SegC,LOW);

  }

  void Eight(){
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],HIGH);
    }

    //Einschalten der 8
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],LOW);
      }
  }

  void Nine(){
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],LOW);
    }

    digitalWrite(SegE,HIGH);
  }
  void Zero(){
    //Ausschalten aller LEDs
    for(int i=0; i<=7; i++){
      digitalWrite(PinLED[i],LOW);
    }

    digitalWrite(SegG,HIGH);
  }