// Creative Project 1: Home Hack, Kedi Zhang, 30 Jan 2018
int speakerPin = D0;
int photoCellPin = A1;
int photoCellReading = 0;
int count = 0;
String body = "Close your fridge door!!!";

// create an array for the notes in the melody:
//C4,G3,G3,A3,G3,0,B3,C4
int melody[] = {0,2637,2349,1480,1661,2217,1976,1175,1319,1976,1760,1109,1319,1760};

// create an array for the duration of notes.
// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {4,8,8,4,4,8,8,4,4,8,8,4,4,2};

void playNotes()
{
    // iterate over the notes of the melody:
    for (int thisNote = 0; thisNote < 14; thisNote++) {

      // to calculate the note duration, take one second
      // divided by the note type.
      //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
      int noteDuration = 1000/noteDurations[thisNote];
      tone(speakerPin, melody[thisNote],noteDuration);

      // to distinguish the notes, set a minimum time between them.
      // the note's duration + 30% seems to work well:
      int pauseBetweenNotes = noteDuration * 1.30;
      delay(pauseBetweenNotes);
      // stop the tone playing:
      noTone(speakerPin);
    }
}



void setup(){

  // Set up the LED for output
  pinMode(speakerPin, OUTPUT);

  // Create a cloud variable of type integer
  // called 'light' mapped to photoCellReading
  Particle.variable("light", &photoCellReading, INT);

  Serial.begin(9600);

}


void loop() {
  photoCellReading = analogRead(photoCellPin);

  Serial.print("Analog reading = ");
  Serial.print(photoCellReading);     // the raw analog reading

  // We'll have a few threshholds, qualitatively determined
  if (photoCellReading < 3250) {
      Serial.println(" - Dark");
      delay(100);
      count = 0;
    } else {
      Serial.println(" - Bright");
      if (count == 0) {
        delay(3000);
        if (photoCellReading > 3249) {
          count++;
        }
      } else if (count < 4) {
        playNotes();
        count++;
      } else if (count == 4) {
        count++;
        Particle.publish("twilio_sms", body, PRIVATE);
      } else {
        delay(60000);
        count = 0;
      }

    }
}