int ginRelay = 2;
int dryVermouthRelay = 3;
int sweetVermouthRelay = 4;
int campariRelay = 5;
int ryeWhiskeyRelay = 6;
int bourbonRelay = 7;
int serveDrinkRelay = 8;
int washRelay = 9;
int fansRelay = 10;
int stirIngredientsRelay = 15;
int reverseMartiniLED = 11; 
int dukesMartiniLED = 12;
int wetMartiniLED = 13;
int negroniLED = A0;
int dryMartiniLED = A1;
int oldPalLED = A2;
int boulevardierLED = A3;
int emergencyStopLed = A4;
int washLED = A5;
int reverseMartiniMXB = A6;
int dukesMartiniMXB = A7;
int wetMartiniMXB = A8;
int negroniMXB = A9;
int dryMartiniMXB = A10;
int oldPalMXB = A11;
int boulevardierMXB = A12;
int washbutton = A13;
int powerOnButton = A14;
int powerOffButton = A15;
int emergencyStopButton = 14;

bool initialized = false;
bool emergencyStopActive = false;
bool mixing = false;

void setup() {
  pinMode(powerOnButton, INPUT_PULLUP);
  pinMode(powerOffButton, INPUT_PULLUP);
}

void startInitializing() {
  for (int i = 2; i <= A5; i++) {
    pinMode(i, OUTPUT);
  }
  for (int i = A6; i <= A15; i++) {
    pinMode(i, INPUT_PULLUP);
  }
  pinMode(emergencyStopButton, INPUT_PULLUP);
  pinMode(stirIngredientsRelay, INPUT_PULLUP);
  initialized = true;
}

void loop() {
  if (!initialized && digitalRead(powerOnButton) == LOW) {
    delay(200);
    emergencyStopActive = false;
    startInitializing();
    // turn on fans automatically after starting the process
    digitalWrite(fansRelay, HIGH);
  }

  if (initialized && !emergencyStopActive) {
    // Your code to execute after initialization
    if ((digitalRead(reverseMartiniMXB) == LOW) && mixing == false) {
      digitalWrite(reverseMartiniLED, HIGH);
      mixing = true;
      delay(200);
      digitalWrite(dryVermouthRelay, HIGH); // 2oz
      digitalWrite(ginRelay, HIGH); // 1oz
      digitalWrite(stirIngredientsRelay, HIGH);

      delay(712); // 1oz
      delayMicroseconds(100); 
      digitalWrite(ginRelay, LOW);
      delay(712); // 1oz
      delayMicroseconds(100); 
      digitalWrite(dryVermouthRelay, LOW);
      delay(44998);
      delayMicroseconds(575); 
      digitalWrite(stirIngredientsRelay, LOW);

      serveDrink();
      digitalWrite(reverseMartiniLED, LOW);
      mixing = false;

    } else if ((digitalRead(dukesMartiniMXB) == LOW) && mixing == false) {
      digitalWrite(dukesMartiniLED, HIGH);
      mixing = true;
      delay(200);
      digitalWrite(ginRelay, HIGH); // 4oz
      digitalWrite(dryVermouthRelay, HIGH); // 1/4oz
      digitalWrite(stirIngredientsRelay, HIGH);

      delay(178); 
      digitalWrite(dryVermouthRelay, LOW);
      delay(2670);
      delayMicroseconds(400); 
      digitalWrite(ginRelay, LOW);
      delay(42329);
      delayMicroseconds(582); 
      digitalWrite(stirIngredientsRelay, LOW);

      serveDrink();
      digitalWrite(dukesMartiniLED, LOW);
      mixing = false;
      
    } else if ((digitalRead(wetMartiniMXB) == LOW) && mixing == false){
      mixing = true;
      delay(200);
      digitalWrite(ginRelay, HIGH); // 2oz
      digitalWrite(dryVermouthRelay, HIGH); // 1oz
      digitalWrite(stirIngredientsRelay, HIGH);

      delay(712);
      delayMicroseconds(100); 
      digitalWrite(dryVermouthRelay, LOW);
      delay(712);
      delayMicroseconds(100); 
      digitalWrite(ginRelay, LOW);
      delay(44998);
      delayMicroseconds(575); 
      digitalWrite(stirIngredientsRelay, LOW);

      serveDrink();
      mixing = false;
      
    } else if ((digitalRead(negroniMXB) == LOW) && mixing == false) {
      digitalWrite(negroniLED, HIGH);
      mixing = true;
      delay(200);
      digitalWrite(ginRelay, HIGH); // 1oz
      digitalWrite(sweetVermouthRelay, HIGH); // 1oz
      digitalWrite(campariRelay, HIGH); // 1oz
      digitalWrite(stirIngredientsRelay, HIGH);
  
      delay(590);
      delayMicroseconds(400); 
      digitalWrite(sweetVermouthRelay, LOW); 
      delay(45);
      delayMicroseconds(400); 
      digitalWrite(campariRelay, LOW); 
      delay(76);
      delayMicroseconds(900); 
      digitalWrite(ginRelay, LOW);
      delay(44999);
      delayMicroseconds(287); 
      digitalWrite(stirIngredientsRelay, LOW);

      serveDrink();
      digitalWrite(negroniLED, LOW);
      mixing = false; 
      
    } else if ((digitalRead(dryMartiniMXB) == LOW) && mixing == false) {
      digitalWrite(dryMartiniLED, HIGH);
      mixing = true;
      delay(200);
      digitalWrite(ginRelay, HIGH); // 2 1/2oz
      digitalWrite(dryVermouthRelay, HIGH); // 1/2oz
      digitalWrite(stirIngredientsRelay, HIGH);

      delay(356);
      digitalWrite(dryVermouthRelay, LOW);
      delay(1424);  
      delayMicroseconds(200);  
      digitalWrite(ginRelay, LOW);
      delay(43219);
      delayMicroseconds(800); 
      digitalWrite(stirIngredientsRelay, LOW);

      serveDrink();
      digitalWrite(dryMartiniLED, LOW);
      mixing = false;
      
    } else if ((digitalRead(oldPalMXB) == LOW) && mixing == false) {
      digitalWrite(oldPalLED, HIGH);
      mixing = true;
      delay(200);
      digitalWrite(ryeWhiskeyRelay, HIGH); // 1oz
      digitalWrite(campariRelay, HIGH); // 1oz
      digitalWrite(dryVermouthRelay, HIGH); // 1oz
      digitalWrite(stirIngredientsRelay, HIGH);

      delay(590);
      delayMicroseconds(400);
      digitalWrite(ryeWhiskeyRelay, LOW);
      delay(45);  
      delayMicroseconds(400); 
      digitalWrite(campariRelay, LOW);
      delay(76); 
      delayMicroseconds(300);  
      digitalWrite(dryVermouthRelay, LOW);
      delay(44999);
      delayMicroseconds(287); 
      digitalWrite(stirIngredientsRelay, LOW);

      serveDrink();
      digitalWrite(oldPalLED, LOW);
      mixing = false;

    } else if ((digitalRead(boulevardierMXB) == LOW) && mixing == false) {
      digitalWrite(boulevardierLED, HIGH);
      mixing = true;
      delay(200);
      digitalWrite(bourbonRelay, HIGH); // 1 1/4oz
      digitalWrite(campariRelay, HIGH); // 1oz
      digitalWrite(sweetVermouthRelay, HIGH); // 1oz
      digitalWrite(stirIngredientsRelay, HIGH);

      delay(590); 
      delayMicroseconds(400);
      digitalWrite(sweetVermouthRelay, LOW);
      delay(45);
      delayMicroseconds(400); 
      digitalWrite(campariRelay, LOW);
      delay(102);
      delayMicroseconds(200); 
      digitalWrite(bourbonRelay, LOW);
      delay(44262);
      digitalWrite(stirIngredientsRelay, LOW);

      serveDrink();
      digitalWrite(boulevardierLED, LOW);
      mixing = false;
      
    } else if ((digitalRead(emergencyStopButton) == LOW) && mixing == true) {
      for (int i = 2; i <= 7; i++) {
        digitalWrite(i, LOW);
      }
      serveDrink();
    } else if ((digitalRead(washbutton) == LOW) && mixing == false) {
      // wash
    }
  }

  if (digitalRead(powerOffButton) == LOW) {
    delay(200);
    initialized = false;
    digitalWrite(fansRelay, LOW);
  }

  delay(200);
}

void serveDrink() {
  digitalWrite(serveDrinkRelay, HIGH);
  delay(10000);
  digitalWrite(serveDrinkRelay, LOW);
}