int ledPin = D3;
int phoPin = A5;
int buttonRead = D2;

int phoReading = 0;
int lastButtonState = LOW;

void setup() {
    pinMode(ledPin, OUTPUT);
    pinMode(buttonRead, INPUT_PULLUP);
    //analog pin always defaults as input
    
    //A cloud variable called photoCellReading and says it is an integer (or number)
    Particle.variable("Photocell", &phoReading, INT);
}

void loop() {
    
    int buttonState = digitalRead(buttonRead);
    int lastButtonState = LOW;
    phoReading = analogRead(phoPin);
    
    // if (buttonState != lastButtonState){
        
        
        if ((buttonState == LOW) && (phoReading < 1600)){
        
            digitalWrite(ledPin, HIGH);

        }else{
        
            digitalWrite(ledPin, LOW);

        }
    
        if (phoReading >= 1600){
            digitalWrite(ledPin, LOW);
        }
        
    // }
    
    // lastButtonState == buttonState;
    
    
    delay(100);
}