Weather Status Light with Gmail Notification and Artik Cloud

const int buttonPin = 6; 
int flag = 1;         // on/off state
int buttonState;             // the current reading from the input pin
int lastButtonState = LOW;   // the previous reading from the input pin

// the following variables are long's because the time, measured in miliseconds,
// will quickly become a bigger number than can be stored in an int.
long lastDebounceTime = 0;  // the last time the output pin was toggled
long debounceDelay = 50;    // the debounce time; increase if the output flickers
int start;
char inByte;
void setup() {
  Serial.begin(9600);
  for (int x = 2; x <= 5; x++){
    pinMode(x, OUTPUT);
  }
  Serial.write('s');
}
void loop() {
  //Specifies if data from python is available
  if(Serial.available()){
    inByte = Serial.read();
     if(start == 0){
       digitalWrite(inByte,HIGH);
       start = 1;
     }
  }
            
  // read the state of the switch into a local variable:
  int reading = digitalRead(buttonPin);

  // check to see if you just pressed the button 
  // (i.e. the input went from LOW to HIGH),  and you've waited 
  // long enough since the last press to ignore any noise:  

  // If the switch changed, due to noise or pressing:
  if (reading != lastButtonState) {
    // reset the debouncing timer
    lastDebounceTime = millis();
  } 
  
  if ((millis() - lastDebounceTime) > debounceDelay) {
    // whatever the reading is at, it's been there for longer
    // than the debounce delay, so take it as the actual current state:

    // if the button state has changed:
  if (reading != buttonState) {
    buttonState = reading;

    // only toggle the LED if the new button state is HIGH
    if (buttonState == HIGH) {
      //negates the current value
      flag = !flag;
        //Pauses the execution of Weather Disturbance Status Light
        if (flag == 0){
          closeAll();
          delay(1000);
          Serial.write('p');
        }
        //Starts the execution of Weather Disturbance Status Light
        else{
          closeAll();
          digitalWrite(inByte,HIGH);
          delay(1000);
          Serial.write('s');
        }
      }
    }
  }
  lastButtonState = reading;
}
  


//closes all LED lights
void closeAll(){
  for (int x = 2; x <= 5; x++){
    digitalWrite(x, LOW);
  }
}