// Galaya simulation

// Initializations
int mode = 0;
int cptOrder = 0;
int cptManifacturing = 0;
int orderArray[1000] = {};

void setup() {
  // put your setup code here, to run once:

  // outputs
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);

  // inputs
  attachInterrupt(digitalPinToInterrupt(18), yellow, RISING);
  attachInterrupt(digitalPinToInterrupt(19), blue, RISING);
  attachInterrupt(digitalPinToInterrupt(20), green, RISING);
  attachInterrupt(digitalPinToInterrupt(21), red, RISING);
}

void loop() {
  // put your main code here, to run repeatedly:

  // State machine
   switch (mode) {
    case 0:
      if (cptOrder>cptManifacturing) {        // Do nothing if nothing was called
        cptManifacturing++;
        mode = orderArray[cptManifacturing];
      }     
      break;
    case 1:
      doRoutine(8);
      mode = 0;
      break;
    case 2:
      doRoutine(9);
      mode = 0;
      break;
    case 3:
      doRoutine(10);
      mode = 0;
      break;
    case 4:
      doRoutine(11);
      mode = 0; 
      break;  
  }
}

void doRoutine(int i) {
  digitalWrite(i, HIGH);
  delay(2000);
  digitalWrite(i, LOW);
  delay(500);
}

// Interrupt ISR
void yellow() {
  cptOrder++;
  orderArray[cptOrder] = 1;
}

void blue() {
  cptOrder++;
  orderArray[cptOrder] = 2;
}

void green() {
  cptOrder++;
  orderArray[cptOrder] = 3;
}

void red() {
  cptOrder++;
  orderArray[cptOrder] = 4;
}