#include <SPI.h>
#include <Wire.h>

#define OPTION 3
#define ACTION 4
#define SPEAKER 9

#define PIN_RED 12
#define PIN_GREEN 11
#define PIN_BLUE 10

#define SENSOR A0

void setup() 
{
  Serial.begin(9600);
 
  pinMode(OPTION, INPUT);
  pinMode(ACTION, INPUT);

  pinMode(PIN_RED,   OUTPUT);
  pinMode(PIN_GREEN, OUTPUT);
  pinMode(PIN_BLUE,  OUTPUT);

}

void loop()
{
  int sensorValue = analogRead(SENSOR);
  Serial.println(sensorValue);
  delay(1);

  play();
  redLight();
  greenLight();
  blueLight();
  noLight();

}

void play() 
{
    if (digitalRead(ACTION) == HIGH) 
  {
    digitalRead(OPTION) == LOW;
    int note = analogRead(SENSOR);

  }
  else 
  {
    //noTone(5);
  }


}



void redLight() 
{
    if (digitalRead(OPTION) == HIGH && digitalRead(PIN_RED) == LOW && digitalRead(PIN_GREEN) == LOW && digitalRead(PIN_BLUE) == LOW) 
  {
    digitalWrite(PIN_RED, HIGH);
    delay(500);

  }


}

void greenLight() 
{
  if (digitalRead(OPTION) == HIGH && digitalRead(PIN_RED) == HIGH) 
  {
    digitalWrite(PIN_RED, LOW);
    digitalWrite(PIN_GREEN, HIGH);
    delay(500);

  }
  
}

void blueLight() 
{
  if (digitalRead(OPTION) == HIGH && digitalRead(PIN_RED) ==LOW && digitalRead(PIN_GREEN) == HIGH)
  {
    digitalWrite(PIN_RED, LOW);
    digitalWrite(PIN_GREEN, LOW);
    digitalWrite(PIN_BLUE, HIGH);
    delay(500);    
  }
  
}

void noLight() 
{
  if (digitalRead(OPTION) == HIGH && digitalRead(PIN_BLUE) == HIGH) 
  {
    digitalWrite(PIN_RED, LOW);
    digitalWrite(PIN_GREEN, LOW);
    digitalWrite(PIN_BLUE, LOW);
    delay(500); 
  }
}