const int R_PIN = 6;
const int G_PIN = 5;
const int B_PIN = 9;

const int SWITCH_PIN= 8;
const int BUTTON_PIN = 3;

const int POT_1_PIN = 18;
int POT_1_VAL = 0;

int DELAY = 10;
int lastValue = 0;
int colorValue = 0;
int stepValue = 1;
int directionFlag = 1;

void setup() {
  delay(1000); // some microcontrollers reboot twice
  
//  Serial.begin(115200);
//  while (! Serial); // Wait until Serial is ready - Leonardo/Micro
//  Serial.println(F("setup(): begin"));

  pinMode(R_PIN, OUTPUT);
  pinMode(G_PIN, OUTPUT);
  pinMode(B_PIN, OUTPUT);

  pinMode(BUTTON_PIN, INPUT_PULLUP);
  pinMode(SWITCH_PIN, INPUT_PULLUP);

}

void loop() {

//  POT_1_VAL = analogRead(POT_1_PIN);
//  Serial.println(POT_1_VAL);

  int buttonState = digitalRead(BUTTON_PIN);
  int switchState = digitalRead(SWITCH_PIN);
  Serial.println(buttonState);

// set color direction
  stepValue = 5;
  if (colorValue <= 0) {
    directionFlag = 1;
  } else if (colorValue >= 255) {
    directionFlag = -1;
  }
  DELAY = 100;

  colorValue = colorValue + (stepValue * directionFlag);
      // FIRE!!!!!
      
  if(buttonState == 0) { 
      DELAY = 15;
      RGB_color(0, 255, 255); // GREEN
      delay(DELAY);
      RGB_color(255, 0, 255); // BLUE
      delay(DELAY);
      RGB_color(255, 255, 0); // RED
      delay(DELAY);
//      RGB_color(255, 255, 255); // OFF
//      delay(DELAY);
      // ARMED!!!
  } else if(switchState == 0) {
      RGB_color(255, 255, colorValue); // RED
  } else {
//    RGB_color(0, 255, 255); // GREEN
//    delay(DELAY);
    RGB_color(255, colorValue, 255); // BLUE
//    delay(DELAY);
//    RGB_color(255, 255, 0); // RED
//    delay(DELAY);
//    RGB_color(255, 255, 255); // OFF
//    delay(DELAY);
  }
  delay(10);

}

void RGB_color(int red_light_value, int green_light_value, int blue_light_value)
 {
  analogWrite(R_PIN, red_light_value);
  analogWrite(G_PIN, green_light_value);
  analogWrite(B_PIN, blue_light_value);
}