int x_pin = A1;
int y_pin = A0;
int b = 52;
int y_val, x_val, b_val;


int button_state, button_old_state;
int counter = 0;


int bot_r = 35, bot_g = 37, bot_b = 39;

int top_r = 28, top_g = 30, top_b = 32;

int left_r = 23, left_g = 25, left_b = 27;

int right_r = 47, right_g = 49, right_b = 51;


int top_r_r = 34, top_r_g = 36, top_r_b = 38;

int top_l_r = 22, top_l_g = 24, top_l_b = 26;


int bot_r_r = 41, bot_r_g = 43, bot_r_b = 45;

int bot_l_r = 29, bot_l_g = 31, bot_l_b = 33;

int pins []= {
  22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,41,43,45,47,49,51
};


void setup() {
  for(int i = 0; i<25;i++){
    pinMode(pins[i], OUTPUT);
  }
  Serial.begin(9600);
}

void loop() {
  x_val = analogRead(x_pin);
  y_val = analogRead(y_pin);
  Color_Picker(counter);
  readButton();
  Clear();
}
void Turn(int red, int green, int blue)
{
  if(y_val == 1023 && x_val == 0){
    analogWrite(top_r_r, red);
    analogWrite(top_r_g, green);
    analogWrite(top_r_b, blue);
  }
  else if(y_val == 1023 && x_val == 1023){
    analogWrite(top_l_r, red);
    analogWrite(top_l_g, green);
    analogWrite(top_l_b, blue);
  }
  else if(y_val == 0 && x_val == 0){
    analogWrite(bot_r_r, red);
    analogWrite(bot_r_g, green);
    analogWrite(bot_r_b, blue);
  }
  else if(y_val == 0 && x_val == 1023){
    analogWrite(bot_l_r, red);
    analogWrite(bot_l_g, green);
    analogWrite(bot_l_b, blue);
  }
  else if(y_val == 512 && x_val == 512){
    analogWrite(top_r_r, red);
    analogWrite(top_r_g, green);
    analogWrite(top_r_b, blue);

    analogWrite(top_l_r, red);
    analogWrite(top_l_g, green);
    analogWrite(top_l_b, blue);

    analogWrite(bot_r_r, red);
    analogWrite(bot_r_g, green);
    analogWrite(bot_r_b, blue);

    analogWrite(bot_l_r, red);
    analogWrite(bot_l_g, green);
    analogWrite(bot_l_b, blue);

    analogWrite(top_r_r, red);
    analogWrite(top_r_g, green);
    analogWrite(top_r_b, blue);

    analogWrite(right_r, red);
    analogWrite(right_g, green);
    analogWrite(right_b, blue);

    analogWrite(left_r, red);
    analogWrite(left_g, green);
    analogWrite(left_b, blue);

    analogWrite(bot_r, red);
    analogWrite(bot_g, green);
    analogWrite(bot_b, blue);

    analogWrite(top_r, red);
    analogWrite(top_g, green);
    analogWrite(top_b, blue);
  }
  else{
    switch(x_val){
      case 0:
        analogWrite(right_r, red);
        analogWrite(right_g, green);
        analogWrite(right_b, blue);
        break;
      case 1023:
        
        analogWrite(left_r, red);
        analogWrite(left_g, green);
        analogWrite(left_b, blue);
        break;
    }
    switch(y_val){
      case 0:
        analogWrite(bot_r, red);
        analogWrite(bot_g, green);
        analogWrite(bot_b, blue);
        break;
      case 1023:
        analogWrite(top_r, red);
        analogWrite(top_g, green);
        analogWrite(top_b, blue);
        break;
    }
  }
}
void Color_Picker(int number){
  switch(number){
    case 1:
      Turn(255,0,0); //red
      break;
    case 2:
      Turn(0,255,0); //green
      break;
    case 3:
      Turn(0,0,255); //blue
      break;
    case 4:
      Turn(235, 52, 207); //pink
      break;
    case 5:
      Turn(235, 217, 52); //yellow
      break;
    case 6:
      Turn(135, 245, 255); //light blue
      break;
    case 7:
      Turn(242, 151, 39); //brown
      break;
    default:
      Turn(255,0,0); //red
      break;
  }
}
void Clear(){
  for(int i = 0; i<25; i++){
    analogWrite(pins[i], 0);
  }
}
void readButton() {
  // button part ------------------------------------
  button_state = !digitalRead(b);

  // we make some tasks
  if(button_state == 1 && button_old_state == 0) {
    
    if(counter<7){
      counter++;
    }
    else{
      counter=1;
    }
  }
  else
  {
    delay(50);
  }

  button_old_state = button_state;
  // -----------------------------------------------

  Serial.println(counter);
}