//Define the pin for photo cell and resistor is added
int phoCellPin = A0;
//Variable to store data of light
int phoCellReading = 0;
//Define the pot pin
int potPin = A5;
//Variable for pot reading
int potReading = 0;
//Define LED pin
int ledPin = D2;
//Variable to stor data of LED
int ledBrightness = 0;

void setup() {
    //Led outpou setup
    pinMode(ledPin, OUTPUT);
    //Cloud variable mapped to phoCellReading
    Particle.variable("LightData", &phoCellReading, INT);
    //Cloud variable mapped to potReading
    Particle.variable("PotData", potReading);
}

void loop() {
    //Read photo cell reading data
    phoCellReading = analogRead(phoCellPin);
    //Read pot reading data
    potReading = analogRead(potPin);
    //Turn light on when interior light is insufficient
    //Light intensity adjustable through potentiometer
    if(phoCellReading > 500) {
        digitalWrite(ledPin, LOW);
    } else {
        digitalWrite(ledPin, HIGH);
        ledBrightness = map(potReading, 0, 4095, 0, 255);
        analogWrite(ledPin, ledBrightness);
    }
    //Wait time between each loop
    delay(300);
}