byte pin[] = {3, 4, 5, 6, 7, 8, 9};//arduino pin array
byte dice[] = {4,6,8,10,12,20};
int number[11][8] = {//number array
  {0, 0, 0, 0, 0, 0, 1},//0  
  {1, 1, 0, 0, 1, 1, 1},//1
  {0, 0, 1, 0, 0, 1, 0},//2
  {1, 0, 0, 0, 0, 1, 0},//3
  {1, 1, 0, 0, 1, 0, 0},//4
  {1, 0, 0, 1, 0, 0, 0},//5
  {0, 0, 0, 1, 0, 0, 0},//6
  {1, 1, 0, 0, 0, 0, 1},//7
  {0, 0, 0, 0, 0, 0, 0},//8
  {1, 0, 0, 0, 0, 0, 0},//9
  {1, 1, 1, 1, 1, 1, 1}//off


};
int i = 0;
int ran = 0;
String digits;


void setup() {
  for (byte a = 0; a < 8; a++) {
    pinMode(pin[a], OUTPUT);//define output pins
  }
  pinMode(2, INPUT_PULLUP);
  pinMode(1, INPUT_PULLUP); 
  pinMode(0, INPUT_PULLUP);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  Serial.begin(9600);
 


  for (int b = 0; b < 100; b++){
    digitalWrite(10, LOW);
    digitalWrite(11, LOW);
    digitalWrite(12, LOW);
    digitalWrite(13, HIGH);
    for (int b = 0; b < 8; b++) {
      digitalWrite(pin[b], number[dice[i]][b]);
      }
     delay(10);
  }
    digitalWrite(10, LOW);
    digitalWrite(11, LOW);
    digitalWrite(12, LOW);
    digitalWrite(13, HIGH);
    int digit2 =  digits[1] - '0';//

    for (int b = 0; b < 8; b++) {
      digitalWrite(pin[b], number[10][b]);
    }
}
 
void loop() {
  //Serial.println(digitalRead(11));
  //Serial.println(analogRead(A0));

  

  //Buttonpres right
  if (digitalRead(0) == 0){
    //delay(500);
    i++;
    if (i > 5){
      i=0;
    }
  

    if (dice[i] < 10){
      for (int b = 0; b < 100; b++){
        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, LOW);
        digitalWrite(13, HIGH);
        for (int b = 0; b < 8; b++) {
          digitalWrite(pin[b], number[dice[i]][b]);
        
        }
        delay(10);
      }
      digitalWrite(10, LOW);
      digitalWrite(11, LOW);
      digitalWrite(12, LOW);
      digitalWrite(13, LOW);
    }
    else{
      for (int b = 0; b < 100; b++){
        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, HIGH);
        digitalWrite(13, LOW);
        String digits = String(dice[i]);
        int digit1 =  digits[0] - '0';//
        for (int b = 0; b < 8; b++) {
          digitalWrite(pin[b], number[digit1][b]);
        }
        delay(5);
        

        //Serial.println(digit1);

        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, LOW);
        digitalWrite(13, HIGH);
        int digit2 =  digits[1] - '0';//

        for (int b = 0; b < 8; b++) {
          digitalWrite(pin[b], number[digit2][b]);
        } 
        delay(5);
      }
      digitalWrite(10, LOW);
      digitalWrite(11, LOW);
      digitalWrite(12, LOW);
      digitalWrite(13, LOW);
    } 
  }
  //Buttonpress left
  if (digitalRead(2) == 0){
    //delay(500);
    i--;
    if (i < 0){
      i=5;
    }
  

  if (dice[i] < 10){
      for (int b = 0; b < 100; b++){
        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, LOW);
        digitalWrite(13, HIGH);
        for (int b = 0; b < 8; b++) {
          digitalWrite(pin[b], number[dice[i]][b]);
        
        }
        delay(10);
      }
      digitalWrite(10, LOW);
      digitalWrite(11, LOW);
      digitalWrite(12, LOW);
      digitalWrite(13, LOW);
    }
    else{
      for (int b = 0; b < 100; b++){
        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, HIGH);
        digitalWrite(13, LOW);
        String digits = String(dice[i]);
        int digit1 =  digits[0] - '0';//
        for (int b = 0; b < 8; b++) {
          digitalWrite(pin[b], number[digit1][b]);
        }
        delay(5);

        //Serial.println(digit1);

        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, LOW);
        digitalWrite(13, HIGH);
        int digit2 =  digits[1] - '0';//

        for (int b = 0; b < 8; b++) {
          digitalWrite(pin[b], number[digit2][b]);
        } 
        delay(5);
      }
        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, LOW);
        digitalWrite(13, HIGH);
        int digit2 =  digits[1] - '0';//

        for (int b = 0; b < 8; b++) {
          digitalWrite(pin[b], number[10][b]);
        } 
    } 
  }
  //Buttonpress middle
  if (digitalRead(1) == 0 ){
    //delay(500);
    int a;
    int digit1;
    int digit2;

    if (dice[i] < 10){
      digitalWrite(10, LOW);
      digitalWrite(11, LOW);
      digitalWrite(12, LOW);
      digitalWrite(13, HIGH);
      for (int j=0; j < 20 ; j++){
        a=random(1,(dice[i]+1));
        for (int b = 0; b < 8; b++) {
          digitalWrite(pin[b], number[a][b]);//display numbers
        }
      delay(50);
      }
      delay(2000);
      digitalWrite(10, LOW);
      digitalWrite(11, LOW);
      digitalWrite(12, LOW);
      digitalWrite(13, LOW);
    }

    else{
      for (int j=0; j<20; j++){
        a=random(1,(dice[i]+1));
        if (a < 10){
            digitalWrite(10, LOW);
            digitalWrite(11, LOW);
            digitalWrite(12, LOW);
            digitalWrite(13, HIGH);
            for (int b = 0; b < 8; b++) {
              digitalWrite(pin[b], number[a][b]);//display numbers
            }
          delay(50); 
        }
        else{
            for (int b = 0; b < 5; b++){
            digitalWrite(10, LOW);
            digitalWrite(11, LOW);
            digitalWrite(12, HIGH);
            digitalWrite(13, LOW);
            String digits = String(a);
            int digit1 =  digits[0] - '0';//
            for (int b = 0; b < 8; b++) {
              digitalWrite(pin[b], number[digit1][b]);
            }
            delay(5);
  
            digitalWrite(10, LOW);
            digitalWrite(11, LOW);
            digitalWrite(12, LOW);
            digitalWrite(13, HIGH);
            int digit2 =  digits[1] - '0';//
    
            for (int b = 0; b < 8; b++) {
              digitalWrite(pin[b], number[digit2][b]);
            } 
            delay(5);
          }
        }

      }
      if (a < 10){
        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, LOW);
        digitalWrite(13, HIGH);
          for (int b = 0; b < 8; b++) {
            digitalWrite(pin[b], number[a][b]);//display numbers
          }
        delay(2000);
        //Serial.print(a);
        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, LOW);
        digitalWrite(13, LOW);
      }
      else{
        for (int b = 0; b < 200; b++){
            digitalWrite(10, LOW);
            digitalWrite(11, LOW);
            digitalWrite(12, HIGH);
            digitalWrite(13, LOW);
            String digits = String(a);
            int digit1 =  digits[0] - '0';//
            for (int b = 0; b < 8; b++) {
              digitalWrite(pin[b], number[digit1][b]);
            }
            delay(5);
  
            digitalWrite(10, LOW);
            digitalWrite(11, LOW);
            digitalWrite(12, LOW);
            digitalWrite(13, HIGH);
            int digit2 =  digits[1] - '0';//
    
            for (int b = 0; b < 8; b++) {
              digitalWrite(pin[b], number[digit2][b]);
            } 
            delay(5);
        }
        //Serial.print(a);
        digitalWrite(10, LOW);
        digitalWrite(11, LOW);
        digitalWrite(12, LOW);
        digitalWrite(13, LOW);    
      }
      
    }
  
  }
}