int button_pin = 12;
int rgb_red_pin = 9;
int rgb_green_pin = 8;
int led_pin = 11;
int pot_pin = A1;


int A_pin = 2;
int B_pin = 1;
int C_pin = 3;
int D_pin = 4;
int E_pin = 5;
int F_pin = 6;
int G_pin = 7;

int button_state, button_old_state;
int pot_value;
int counter;
int segment_show=0;





void setup() {
  pinMode(button_pin, INPUT_PULLUP);
  pinMode(rgb_red_pin, OUTPUT);
  pinMode(rgb_green_pin, OUTPUT);
  pinMode(led_pin, OUTPUT);
  pinMode(A_pin, OUTPUT);
  pinMode(B_pin, OUTPUT);
  pinMode(C_pin, OUTPUT);
  pinMode(D_pin, OUTPUT);
  pinMode(E_pin, OUTPUT);
  pinMode(F_pin, OUTPUT);
  pinMode(G_pin, OUTPUT);

  Serial.begin(9600);


  
  
  


}
void loop() {
  redButton();

  if (counter % 2 == 1) {
    analogWrite(rgb_red_pin, 0);
    analogWrite(rgb_green_pin,255);

    pot_value = analogRead(pot_pin);
    Serial.println(pot_value);
    segment_show = pot_value / 110;
    analogWrite(led_pin, pot_value/4);
  }
  else {
    analogWrite(rgb_red_pin, 255);
    analogWrite(rgb_green_pin, 0);

    analogWrite(led_pin, 0);
  }

  if (segment_show == 0) {
    zero();
  } else if(segment_show == 1) {
    one();
  } else if(segment_show == 2) {
    two();
  } else if(segment_show == 3) {
    three();
  } else if(segment_show == 4) {
    four();
  } else if(segment_show == 5) {
    five();
  } else if(segment_show == 6) {
    six();
  } else if(segment_show == 7) {
    seven();
  } else if(segment_show == 8) {
    eight();
  } else if(segment_show == 9) {
    nine();
  }
  
}

void redButton() {
  button_state = !digitalRead(button_pin);

  if(button_state == 1 && button_old_state == 0) {
    counter++;
    if(counter == 10)
    {
      counter = 0;
    }
    Serial.println(counter);
  }
  else
  {
    delay(50);
  }

  button_old_state = button_state;
}

void clear() {
  digitalWrite(A_pin, LOW); 
  digitalWrite(B_pin, LOW); 
  digitalWrite(C_pin, LOW); 
  digitalWrite(D_pin, LOW); 
  digitalWrite(E_pin, LOW); 
  digitalWrite(F_pin, LOW); 
  digitalWrite(G_pin, LOW); 
}

void zero() {
  digitalWrite(A_pin, 1); 
  digitalWrite(B_pin, 1); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 1); 
  digitalWrite(E_pin, 1); 
  digitalWrite(F_pin, 1); 
  digitalWrite(G_pin, 0); 
}

void one() {
  digitalWrite(A_pin, 0); 
  digitalWrite(B_pin, 1); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 0); 
  digitalWrite(E_pin, 0); 
  digitalWrite(F_pin, 0); 
  digitalWrite(G_pin, 0); 
}

void two() {
  digitalWrite(A_pin, 1 );
  digitalWrite(B_pin, 1); 
  digitalWrite(C_pin, 0); 
  digitalWrite(D_pin, 1); 
  digitalWrite(E_pin, 1); 
  digitalWrite(F_pin, 0); 
  digitalWrite(G_pin, 1); 
}

void three() {
  digitalWrite(A_pin, 1); 
  digitalWrite(B_pin, 1); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 1); 
  digitalWrite(E_pin, 0); 
  digitalWrite(F_pin, 0); 
  digitalWrite(G_pin, 1); 
}

void four() {
  digitalWrite(A_pin, 0); 
  digitalWrite(B_pin, 1); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 0); 
  digitalWrite(E_pin, 0); 
  digitalWrite(F_pin, 1); 
  digitalWrite(G_pin, 1); 
}

void five() {
  digitalWrite(A_pin, 1); 
  digitalWrite(B_pin, 0); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 1); 
  digitalWrite(E_pin, 0); 
  digitalWrite(F_pin, 1); 
  digitalWrite(G_pin, 1); 
}

void six() {
  digitalWrite(A_pin, 1); 
  digitalWrite(B_pin, 0); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 1); 
  digitalWrite(E_pin, 1); 
  digitalWrite(F_pin, 1); 
  digitalWrite(G_pin, 1); 
}

void seven() {
  digitalWrite(A_pin, 1); 
  digitalWrite(B_pin, 1); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 0); 
  digitalWrite(E_pin, 0); 
  digitalWrite(F_pin, 0); 
  digitalWrite(G_pin, 0); 
}

void eight() {
  digitalWrite(A_pin, 1); 
  digitalWrite(B_pin, 1); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 1); 
  digitalWrite(E_pin, 1); 
  digitalWrite(F_pin, 1); 
  digitalWrite(G_pin, 1); 
}

void nine() {
  digitalWrite(A_pin, 1); 
  digitalWrite(B_pin, 1); 
  digitalWrite(C_pin, 1); 
  digitalWrite(D_pin, 1); 
  digitalWrite(E_pin, 0); 
  digitalWrite(F_pin, 1); 
  digitalWrite(G_pin, 1); 
}