int whitePin = 10;
int leds[10];
int totalLeds = 10;
// the pin that the array of pins begin on //
int beginPin = 3;
// hold the current pin that is being incremented //
int startPin = 2;
int state_1 = 0;
int prevReading_1 = 0;
int reading_1 = 0;
int state_2 = 0;
int prevReading_2 = 0;
int reading_2 = 0;
int button1 = 1;
int button2 = 5;
int blink = 0;

void setup() {
  Serial.begin(9600);
  
  leds[0] = 3;
  leds[1] = 4;
  leds[2] = 5;
  leds[3] = 7;
  leds[4] = 6;
  leds[5] = 13;
  leds[6] = 9;
  leds[7] = 8;
  leds[8] = 11;
  leds[9] = 12;
  
  for (int i = 0; i < totalLeds; i++) {
    pinMode(leds[i], OUTPUT);
  }
  pinMode(whitePin, OUTPUT);
}

void loop() {
  checkButtons();
  checkStates();
}

void checkStates() {
  if (state_1 == 0) {
      redOff();
  }
  if (state_1 == 1 && state_2 == 0) {
      redOn();
  }
  if (state_2 == 0) {
      whiteOff();
  }
  if (state_2 == 1 && state_1 == 0) {
      whiteOn();
  }
  if (state_1 == 1 && state_2 == 1) {
    blinkEm();
  }
  
}

void redOff() {
  for (int i = 0; i < totalLeds; i++) {
    digitalWrite(leds[i], LOW);
  }
}
void redOn() {
  for (int i = 0; i < totalLeds; i++) {
    digitalWrite(leds[i], HIGH);
  }
}
void whiteOn() {
  digitalWrite(whitePin, HIGH);
}
void whiteOff() {
  digitalWrite(whitePin, LOW);
}
void blinkEm() {
  if (blink == 1) {
    redOn();
    whiteOff();
    blink = 0;
  } else {
    redOff();
    whiteOn();
    blink = 1;
  }
}

void checkButtons() {
  reading_1 = analogRead(button1);
  reading_2 = analogRead(button2);
  Serial.print("state_1: ");
  Serial.print(state_1);
  Serial.print(" - ");
  Serial.print("state_2: ");
  Serial.print(state_2);
  Serial.print("\n");
  
  if ((reading_1 > 550 && prevReading_1 < 300) || (reading_2 > 550 && prevReading_2 < 300)) {
     delay(30);
     // invert states //
     if (reading_1 > 550) {
       if (state_1 == 1) {
         state_1 = 0;
       } else {
         state_1 = 1;
       } 
     }
     
     if (reading_2 > 550) {
       if (state_2 == 1) {
        state_2 = 0;
       } else {
         state_2 = 1;
       } 
     }
     
  }
  prevReading_1 = reading_1;
  prevReading_2 = reading_2;
}